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HomeMy WebLinkAbout1.0 ApplicationGarfield County Community Development Department 108 8th Street, Suite 401 Glenwood Springs, CO 81601 (970) 945-8212 www.garfield-county.com LAND USE CHANGE PERMIT APPLICATION FORM TYPE OF APPLICATION Owner/Applicant Name: Circle B Land Company LLC Phone: ( ) • Administrative Review ❑ Development in 100 -Year Floodplain Limited Impact Review • Development in 100 -Year Floodplain Variance • Major Impact Review • Code Text Amendment Assessor's Parcel Number: 2 1 7 9- 2 3 3. 0 0 - 2 0 3 Physical/Street Address: North of Chipperfield Land • Amendments to an Approved LUCP • Rezoning ■ LIR ❑MIR ❑ SUP ■ Zone District ■ PUD ■ PUD Amendment • Minor Temporary Housing Facility • Administrative Interpretation • Vacation of a County Road/Public ROW ■ Appeal of Administrative Interpretation • Location and Extent Review ■ Areas and Activities of State Interest • Comprehensive Plan Amendment • Accommodation Pursuant to Fair Housing Act • Major • Minor • Pipeline Development 0 Variance • Time Extension (also check type of original application) INVOLVED PARTIES Owner/Applicant Name: Circle B Land Company LLC Phone: ( ) Mailing Address: 1099 18th Street, Suite 300 City: Denver State: CO zip Code: 80202 E-mail: Representative (Authorization Required) Name: Bill Barrett Corporation Phone: ( 970 ) 314-9873 Mailing Address: 112 Red Feather Trail City: Silt State: CO zip Code: 81652 E-mail: ddennison@billbarrettcorp.com PROJECT NAME AND LOCATION Project Name: Circle B Laydown Yard Assessor's Parcel Number: 2 1 7 9- 2 3 3. 0 0 - 2 0 3 Physical/Street Address: North of Chipperfield Land Legal Description: Section 23, Township 6 South, Range 92 West, of the 6th P.M. in Garfield County, Colorado Zone District: Rural Property Size (acres): 40 PROJECT DESCRIPTION Existing Use: Vacant Residency with Barn and graveled area Proposed Use (From Use Table 3-403): Storage (Industrial) with an accessory use of Welding Description of Project: The Circle B Laydown Yard will serve as a centralized storage site for the BBC Piceance Field with infrequent welding. No liquids or waste will be stored at the proposed site. REQUEST FOR WAIVERS Submission Requirements The Applicant requesting a Waiver of Submission Requirements per Section 4-202. List: Section: 4-203 J. Development Agreement Section: Section: 4-203 K. Improvement Agreement Section: Waiver of Standards ❑ The Applicant is requesting a Waiver of Standards per Section 4-118. List: Section: Section: Section: Section: I have read the statements above and have provided the required attached information which is correct and accurate to the best of my knowledge. cif .-7 April 16, 2014 Sigp ,6f Property Owner Date OFFICIAL USE ONLY File Number: Fee Paid: $ Garfield County PAYMENT AGREEMENT FORM GARFIELD COUNTY ("COUNTY") and Property Owner ("APPLICANT") Bill Barrett Corporation agree as follows: 1. The Applicant has submitted to the County an application for the following Project: Circle B Laydown Yard 2. The Applicant understands and agrees that Garfield County Resolution No. 98-09, as amended, establishes a fee schedule for each type application, and the guidelines for the administration of the fee structure. 3. The Applicant and the County agree that because of the size, nature or scope of the proposed project, it is not possible at this time to ascertain the full extent of the costs involved in processing the application. The Applicant agrees to make payment of the Base Fee, established for the Project, and to thereafter permit additional costs to be billed to the Applicant. The Applicant agrees to make additional payments upon notification by the County, when they are necessary, as costs are incurred. 4. The Base Fee shall be in addition to and exclusive of any cost for publication or cost of consulting service determined necessary by the Board of County Commissioners for the consideration of an application or additional County staff time or expense not covered by the Base Fee. If actual recorded costs exceed the initial Base Fee, the Applicant shall pay additional billings to the County to reimburse the County for the processing of the Project. The Applicant acknowledges that all billing shall be paid prior to the final consideration by the County of any Land Use Change or Division of Land. I hereby agree to pay all fees related to this application: Billing Contact Person: Doug Dennison Billing Contact Address: 112 Red Feather Trail Phone: ( 970 ) 314-9873 City: Silt State: CO zip Code: 81652 Billing Contact Email: ddennison@billbarrettcorp.com Printed Name of Person Authorized to Sign: Doug Dennison 7 April 16, 2014 (Signature) (Date) ADO ENG 1NE1 f fNG INCORPORATi:D Memorandum To: Jim Kalmon, PLS, Eclipse Surveying, Inc. From: Chris Manera P.E. and Catherine Berg Date: April 16, 2014 Subject: Bill Barrett Corporation — Drainage Memo Job #: CRE 1043.1 Colorado River Engineering Inc. has completed a drainage analysis of the Circle B Land Company's laydown yard site. The Iaydown yard, located on the 40 acre property, will store various equipment and materials for gas production in the Mamm Creek area. Garfield County regulations require that drainage and erosion be addressed to ensure that runoff does not increase flows offsite, and provides water quality measures per the County's standards in Sections 4-203 and 7-204 of the Land Use and Development Code. This report provides calculations of the storm events and a description of the methods utilized to mitigate runoff. Historic versus Developed Conditions The area considered for this drainage analysis includes the extent of the existing Iaydown yard pad as pictured in the attached Figure 1. The Iaydown yard was divided into three drainage basins totaling 0.93 acres. Because the site is located on the top of a high point there is no offsite drainage to the site. The analysis of historic conditions considered the site prior to the development of the access driveway, laydown yard, and existing building. The developed conditions analysis considered the site with development of the gravel driveway, gravel Iaydown yard, the existing building, and the proposed berm that will encompass the Iaydown yard. The peak runoff flows for this analysis were determined using the methodology given in the Soil Conservation Service's "Technical Release No. 20, Urban Hydrology". NOAA Atlas precipitation frequency estimates and the Soil Conservation Service soils mapping are attached as Appendix A. The Soil Conservation Service soils mapping lists the soils in the study area in the Hydrologic Group C. P.O. Box 1301 1 Rifle, Colorado 181650 (970) 625-4933 Page 11 ENGINEERING 111' COR PO It A 71:0 The following table summarizes the existing and developed analysis of each of the three basins: Table 1 Draina.ae Basin Analysis Existing CN Soil Basin Name Area 86 0.15 0.49 Type Site Area 1 0.41 C Site Area 2 0.29 C Site Area 3 0.23 C Table 1 Draina.ae Basin Analysis Existing CN Q-2yr (cfs) Q-25yr (cfs) Q-100yr (cfs) 86 0.15 0.49 0.75 86 0.10 0.35 0.53 86 0.08 0.27 0.42 Developed CN Q-2yr (cfs) Q-25yr (cfs) Q-100yr (cfs) 87 0.17 0.53 0.79 87 0.12 0.37 0.56 87 0.10 0.29 0.44 As Table 1 shows, the increase of the existing peak runoff rate to the developed peak runoff rate is negligible for both the 2 -year and 25 -year return frequency design storms (see HydroCAD analysis Appendix B and C). Also the curve numbers that were used for the developed conditions are conservative as the pit -run which covers the gravel Iaydown yard will have the ability to absorb more runoff than the native material. Drainage Improvements Although the post -development peak discharge rate does not significantly exceed the pre - development peak discharge rate for the 2 -year and 25 -year return frequency design storm, some drainage improvements are proposed. All drainage, erosion and sediment control measures are shown on the attached Grading and Drainage Plan design drawing (Figure 2). The site has been graded to provide positive drainage away from the existing building. A 2 -foot berm is proposed to be built around the Iaydown site. The berm will contain runoff and concentrate flows from each of the three small drainage basins to rock lined slope drains that will convey flows into three sediment traps. The slope drains have been sized to accommodate the 100 -year design storm (see Flow Master analysis Appendix D). The sediment traps have been designed to have the capacity to detain 39.0 cubic -feet of runoff, which exceeds the runoff volume resulting from the design precipitation event of 0.5" inches in 24 hours. The full runoff volume resulting from this 0.5" design storm will be able to seep into the ground from the sediment trap, allowing for the removal of potential pollutants. During larger storm events the contour ditch will spread flows, to provide sheet flow down the existing slope. The proposed development and drainage improvements will have no effect on existing water bodies. P.O. Box 1301 I Rifle, Colorado 181650 I (970) 625-4933 Page I 2 ENGINEERINGOLORAD 1KCO PO ft ATI 0 Site Management Stock piling of topsoil is not anticipated; however any soil or snow that needs to be stockpiled shall be located on the existing gravel laydown yard. And similarly all equipment will be stored within the existing laydown site. The barn will not be used for the proposed storage site. If you have any questions, please feel free to call our office at (970) 625-4933. Sincerely, Christopher Manera, P.E. (70),,Ii\AQ.Aol o Catherine Berg P.O. Box 1301 I Rifle, Colorado 181650 I (970) 625-4933 Pagel 3 5 74 5 1 �Itii�R I . • ,� , "..t i' _;9(ii., Circle B Property Boundary I Site Driveway Access Road t�c ' , ,`r .R a � F ` 1i I Existing Building -K a Fence Line >< ,,,, ,� 414) 44�j 14` 1 ,ddk�t ' 1 �j'' ,! 41 s F s • `/ • \i 'II ..1 • ,i �i r4 ' i '` �a 94 •slay ,, r r' ; r 1 ' , . ; 7 -'J rot.r�j` 4 i • Tie I 4 + 1 . "' ' •i ••�•\ i, .3f1 .0, SW 's�`, \�,. .r', Existing -'Building . '1 IQI, 1 i 11 c � , ' 0 I I��,� 4'Q e 1 r,(� ¢1 a' t 'EPOIV .a• 1 f, dr' 'jei�' L'' a ,4 'b r ,0 airy r � gYl�',Y1¢�.R r� IA ,V,?, ..I 1.4' Cj�r kfYGT-' � MPJ !op •'•u/ 4 `�- i r, r .. '� I I- . 1 �(1. ,: i 1�~ 1,...t:it r4 60 t .a I' il • + a , :Sp\ O \ i ;. ac I } \ r'''' C. 100' 0' 200' .,fo°' U.ti'' �",5) �',/ . 4101.11O Graphic Scale in Fee k r.R l 'll} •. •.16..1 /4, ,� _ . , .. (COLOr j�ai, RADO T ��� D `�// PO Box 1301 Rifle, CO 81650 Tel 970-625-4933 1 ` . ! .••'�:Pore: Site Map ��'' oNA1.�:rr Bill Ba Tett Corp.�' - I:NFi1NGIiRLN� dw File Name: CREDesi8n• S 1043.1 ChM': ,I err'e Ia eua IJobNo: Drawn by: CB 'Approvedby:cM Date: 4/16/14 Eclipse Surveying ///77z - 'Sediment Trap Lined Slope Drain _i st�sw= f Rock Lined Slope Drain Compacted) Berm \\Sediment Trap 1 591- LEGEND \ N Compacted Berm' Existing f `. Building Straw Wattle Plan View Use 2 pine stakes 1 }" x 1 }" x 12" at all erosion log ends or Joints, otherwise use a stake every 24 In. and continue to alternate orientation throughout the length of the erosion log Approx. 90° to each other Straw Wattle Contour Ditch Site Driveway 5 -foot Contour 1 -foot Contour L\KN\ Rock Lined Slope Drain. \ SedimentTrap 25' 0' 50' Graphic Scale in Feet Mirafi 140-N Fabric below rock channel. Install per manufacturer's Installation guidelines. Entrench 3" Section A -A Typical Native or re -compacted material to be used to construct berm X11 L —> I i— I Bank or Hillside 0 Sediment removal shall be performed continuously for proper function Staking Pattern, Straw Wattle Application (not to scale) Native or re -compacted trench I I-obble Rock Lined Slope Drain (not to scale) Cobble material, 1' thick (see section view). Sediment Trap is S'x3' at the bottom, 1' deep, w/ 2H:1V side slopes on all sides. Pool is to fill to the 1' depth and spills to contour ditch to provide sheet flow. Plan View 1' cobble 1 rl' d c�iCh1'� 'Tf_ in—m— Section View (spill direction) \ i441,�6 \ s/n 4-''/st/ig Grading, Erosion Control, and Solis Notes: 1) All site grading (excavation, embankment, and compaction) shall conform to the recommendations of the latest soils investigation and addendums for this property and shall further be in conformance with the Garfield County technical specifications. 2) Natural vegetation shall be retained and protected wherever possible. Exposure of soil to erosion by removal or disturbance of vegetation shall be limited to the areas required for Immediate construction operation and for the shortest practical period of time. 3) Topsoil shall be stockpiled to the extent practicable on the site for use on areas to be revegetated. Any and all stockpiles shall be located in areas where they can be protected from erosive elements and events. 4) Temporary vegetation shall be installed on all disturbed areas where permanent surface improvements are not scheduled for installation within three months. Vegetation shall be vigorous, drought tolerant, native species mix. Project scheduling should take advantage of spring and gall planting seasons for natural germination but seeded areas shall be irrigated. 5) At all times, the property shall be maintained and/or watered to prevent wind caused erosion. Earthworks operations shall be discontinued when fugitive dust significantly impacts adjacent property. If earthwork is complete or discontinued and dust from the site continues to create problems, the contractor shall immediately institute mitigative measures and shall correct the damage to adjacent property. 6) Temporary cut/fill slopes shall not exceed a steepness of 2H:1V. 7) Permanent or temporary soil surface stabilization must be applied to disturbed areas and stockpiles as soon as possible but no later than 14 days after final grade is reached on any portion of the site. 8) The contractor shall provide any additional dust abatement and erosion control measures deemed necessary by the County to the Project Engineer should conditions merit them. 9) All temporary and permanent erosion control and sediment control practices shall be maintained and repaired by the contractor during the construction phase as needed to assure continued performance of their Intended function. All facilities must be inspected a minimum of every two weeks and following each precipitation or snowmelt event that results in runoff. 10) All temporary erosion control and sediment control measures shall be removed after a minimum of 70% vegetative cover is established, or as authorized by the County and/or Project Engineer. 11) See landscaping plan for additional revegetatlon practices. Contour Ditch Construct at level elevation —.� to provide sheet flow. 1' cobble 3' Wide Match Existin Native or re -compacted material Sediement Trap (not to scale) Mirafi 140-N Fabric below rock channel. Install per manufacturer's Installation guidelines. COLORADO WIER EN01Ni:ERIN0 iato11rneAleo PO Box 1301 Rifle, CO 81650 Tel 970-625-4933 Grading and Drainage Plan Bill Barrett Corp. Figure: 2 File Name: CRE Design.dwg Job No: 1043.1 Drawn by: CII (Approved by: CM Date: 4/16/14 Client: Eclipse Surveying 0RAD 0 ENGINEERING I ACO H PO R A71:0 APPENDIX A NRCS Soils Information NOAA Rainfall Data. P.O. Box 1301 1 Rifle, Colorado 18I650 1(970) 625-4933 Page 1 4 ^-eecipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.html?tat=39.5165&I... NOAA Atlas 14, Volume 8, Version 2 Location name: Silt, Colorado, US* Latitude: 39.5165°, Longitude: -107.6532° Elevation: 5626 ft* - source Google Maps POINT PRECIPITATION FREQUENCY ESTIMATES Sanja Perica, Deborah Martin, Sandra Pavlovic, Ishan Roy, Mchael St. Laurent, Carl Trypaluk, Dale Unruh, Mchael Yekta, Geoffery Bonnin NOM, National Weather Service, Silver Spring, Maryland PF tabular 1 PF graphical 1 Maps & aerials PF tabular PDS -based point precipitation frequency estimates with 90% confidence intervals (in inches)1 Duration Average recurrence interval (years) 1 2 5 10 25 50 100 200 500 1000 5 -min 0.115 (0.090-0.147) 0.148 (0.116-0 189) 0.205 I (0.160-0.262) 0.256 I (0.198-0.329) 0.332 (0.250-0.451) 0.394 (0.289-0.542) 0.460 (0.326-0.652) 0.531 1 0.630 1 (0.380-0.776)) (0.410-0.951) 0.709 (0.449-1.08) 10 -min 0.169 (0.132-0.215) 0.217 (0.169-0.276) 0.301 (0.234-0.384) 0.376 (0.290-0.482) 0.486 (0.366-0.660) 0.577 (0.423-0.794) 0.674 I (0.477-0.954) 0.777 0.922 I (0.527-1.14) (0.601-1.39) 1.04 (0.657-1.58) 15 -min 0.206 (0.161-0.262), 0.265 (0.206-0.337) 0.367 (0.285-0.468) 0.458 (0.354-0.588) 0.593 (0.446-0.805) 0.704 (0.516-0.968) 0.822 (0.582-1.16) 0.948 (0.643-1.39) 1.12 (0.733-1.70) 1.27 (0.801-1.93) 0.264 I (0.206-0.336)1 0.347 (0.271-0.441) 0.488 (0.379-0.622) 0.610 I (0.471-0.784 0.785 (0.588-1.06) 0.926 (0.677-1.27) 1.07 (0.757-1.51) 1.23 (0.831-1.79) 1.44 (0.936-2.17) 1.61 (1.02-2.45) 30 -min 60 -min 0.344 1 (0.269-0.437), 0.434 (0.338-0.552) 0.586 (0.456-0.748) 0.719 I (0.556-0.922) 0.910 (0.682-1.23) 1.06 (0.778-1.46) 1.22 (0.864-1.73) 1.39 (0.942-2.03) 1.62 (1.06-2.44) 1.81 (1.14-2.76) 2 -hr 0.424 I (0.334-0.534)i 0.521 1 (0.410-0.656) 0.685 (0.537-0.867) 0.828 (0.646-1.05) 1.03 (0.783-1.38) 1.20 (0.886-1.62) 1.37 (0.980-1.91) 1.56 (1.06-2.24) 1.81 (1.19-2.68) 2.01 (1.28-3.02) 3 -hr 0.494 (0.391-0.619) 0.582 1 (0.461-0.731) 0.736 (0.580-0.926) 0.872 (0.684-1.10) 1.07 (0.817-1.42) 1.23 (0.918-1.66) 1.41 (1.01-1.95) 1.59 (1.09-2.27) 1.84 (1.22-2.71) 2.05 (1.32-3.05) 6 -hr 0.615 (0.491-0.763) 0.709 (0.566-0.882) 0.871 (0.693-1.09) 1.01 (0.800-1.27) 1.21 (0.932-1.58) 1.38 (1.03-1.82) 1.55 (1.12-2.11)J 1.73 (1.20.2.42) 1.97 (1.32-2.85) 2.16 (1.41-3.18) 12 -hr 0.751 (0.606-0.925) 0.867 (0.698-1.07) 1.06 (0.852-1.31) 1.23 (0.980-1.52) 1.47 (1.14-1.89) 1.66 (1.25-2.16) 1.85 (1.35-2.48) J 2.05 I (1.44-2.84) 2.33 (1.57-3 32) 2.55 (1.67-3.68) 24 -hr 0.901 (0.733-1.10) 11071 ((o 02:.i1>kPj 1.27 1.46 (1.03-1.55) (1.18-1.80) 1.75 !(1.36-2.23) 1.97 (1.51-2.55) 2.21 (1.63-2.92) 2.45 (1.74-3.34) 2.78 (1.90-3.91) 3.05 (2.02-4.33) 2 -day 1.05 (0.865-1.27) 1.21 (0.989-1.46) 1.47 (1.20-1.78) 1.69 (1.37-2.06) 2.01 (1.59-2.54) 2.27 (1.75-2.90) 2.54 (1.90-3.33) 2.82 (2.02-3.80) 3.21 (2.21-4.44) 3.52 (2.36-4.92) 3 -day 1.14 (0.937-1.36) 1.31 (1.08-1.58) 1.61 (1.32-1.95) 1.87 (1.53-2.26) 2.23 (1.76-2.79) 2.51 (1.94-3.18) 2.80 (2.10-3.63) 3.10 (2.23-4.13) 3.51 (2.43-4.80) 3.83 (2.58-5.30) 4 -day 1.21 (1.00-1.45) 1.40 (1.16-1.68) 1.73 (1.42-2.07) 2.00 (1.64-2.41) 2.38 (1.89-2.96) 2.68 (2.08-3.37) 2.98 (2.24-3.84) 3.29 (2.38-4.35) 3.71 (2.58-5.03) 4.03 (2.73-5.55) 7 -day 1.42 (1.19-1.69) 1.62 (1.35-1.93) 1.96 (1.63-2.33) 2.24 (1.85-2.68) 2.63 (2.11-3.24) 2.94 (2.30-3.67) 3.25 (2.47-4.14) 3.57 (2.60-4.67) 4.00 (2.81-5.36) 4.33 (2.96-5.88) 10 -day 1.61 (1.35-1.91) 1.82 (1.52-2.15) 2.15 (1.80-2.55) 2.44 (2.02-2.90) 2.83 (2.28-3.47) 3.14 (2.48-3.89) 3.46 (2.64-4.38) 3.78 (2.77-4.90) 4.22 (2.98-5.60) 4.55 (3.14-6.13) 20 -day 2.13 (1.80-2.49) 2.36 (2.00-2.77) 2.75 (2.31-3.23) 3.06 (2.57-3.61) 3.50 (2.85-4.23) 3.84 (3.06-4.69) I 4.18 (3.22-5.21) 4.53 (3.35-5.78) 4.99 (3.56-6.51) 5.34 (3.72-7.07) 30 -day 2.55 (2.17-2.96) 2.83 (2.40-3.29) 3.28 (2.78-3.83) 3.65 (3.08-4.28) 4.15 (3.39-4.96) 4.53 (3.62-5.49) 4.91 (3.80-6.06) 5.29 (3.93-6.67)JL(4.14-7.45) 5.77 6.14 (4.30-8.04) 45 -day 3.07 (2.63-3.55) 3.43 (2.93-3.97) 3.99 (3.40-4.63) 4.45 (3.77-5.18) 5.05 (4.13-5.98) 5.50 (4.41-6.59) 5.93 (4.61-7.24J 6.35 (4.75-7.92)J(4.96-8.78) 6.88 7.27 (5.13-9.42) 3.52 (3.02-4.05) 3.95 (3.39-4.55) 4.63 (3.96-5.35) 5.16 (4.39-5.99) 5.86 (4.81-6.90) 6.38 (5.13-7.59) 6.86 1 (5.35-8.32) 60 -day 7.33 (5.50-9.07) 7.90 (5.72-9.99) 8.31 (5.89-10.7) 1 Precipitation frequency PF) estimates in this table are based on frequency analysis of partial duration series (PDS). Numbers in parenthesis a e PF estimates at lower and upper bounds of the 90% confidence interval The probability that precipitation frequency estimates (for a given duration and average recurrence interval) will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values. Please refer to NOAA Atlas 14 document for more information. Back to Too PF graphical f4 4/9/2014 1:04 PM r :cipitation Frequency Data Server Precipitation depth (in) Precipitation depth (in) 9 8 7 6 5 4 3 2 1 0 c E ri1 http://hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.html?lat=39.5165&I... PDS -based depth -duration -frequency (DDF) curves Latitude: 39.5165°, Longitude: -107.6532° cc E •E v r -I l.. L .c .c N f�1 t Duration .c 11 N.4 f; O ri V5 N re ro re O -O 'O re re re ea 1:1T A p N M . 2 5 10 25 50 100 200 Average recurrence interval (years) Created (GMT): Wed Apr 9 19:04:05 2014 Back to Top Maps & aerials NOAA Atlas 14, Volume 8, Version 2 500 1000 Small scale terrain hley ohnt•I'orest j�(� ij'•..;• •\ j Price t d v i? $Grand Average recurrence interval (years) 2 5 10 25 50 100 200 600 1000 Duration 5 -min — 10 -min 15 -min — 30 -min — 60 -min — 2 -hr — 3 -hr — 6 -hr — 12 -hr — 24 -hr 2 -day 3 -day 4 -day 7 -day 10 -day 20 -day 30 -day 45 -day 60 -day o1''')11. t'Collinss Greeley tf1• Lovet nd - ri,} ( ,., 1 r � / `a',p� \Wes m n$Ier k� wbodv, De Iver- Centenn Map data ©2010beaaglep Ud6el of 4 4/9/2014 1:04 PM jecipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdse/pfds/pfdsjrintpage.html?lat=39.5165&1... Large scale map 35 7351 -$til I i I 2 k 1111 rivn Large scale aerial OE Map detaeffAfir>tpeogre .r �_x _.,. 2kmi__•. Imagery-88iiAifairepletrt¢s >f 4 4/9/2014 1:04 PM T' ecipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdsc/pfds/pfds printpage.html?lat=39.5165&1... Back to Top US Department of Commerce National Oceanic and Atmospheric Administration National Weather Service Office of Hydrologic Development 1325 East West Highway Silver Spring, MD 20910 Questions?: }IDSC.Questions@noaa.gov Disclaimer of 4 4/9/2014 1:04 PM 39° 30' 35" N 390 30' 15' N 0 273080 Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties 273150 273220 14 273290 273360 273430 273500 3 39° 30' 35" N a f— � 0 — 273080 3 N o A 273150 273220 Map Scale: 1:2,980 if printed on A portrait (8.5" x 11") sheet. 273290 40 80 160 0 100 200 Feet 400 600 273360 Meters 240 Map projection: Web Mercator Comercoordinates: WGS84 Edge dcs: UTM Zone 13N WGS84 USDA Natural Resources Web Soil Survey Conservation Service National Cooperative Soil Survey 273430 273500 3 0 4/10/2014 Page 1 of 4 39° 30' 15' N Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties MAP INFORMATION MAP LEGEND The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. 0 C 0) c OO N 0 O 3 o c C 0 0 0 0 " 0 0 0 a) N E). as a) m a�c0 as c _ a Ea)m0 o caE c al 0 CL m L a3 0 E 3 c o _ — CO 1 'm .c oa)oa >.acc .0LD0 0_ 4- a a) 0 O <0 N E mE O a C MIH rh 4.; U E O a) co mCe Ew m O U C y a)• W E a w 0 0 0 0 Not rated or not available m o 0 0 0 co N y a O 0 C Vo v d 0 0 0o J 0 O o d Q O) Q a 0 00 0 0 0 Z a) Q a m m 0 0 0 c ❑.y❑❑�0[1000 III I 1 1 E. co Q 0 Water Features Streams and Canals a) o ns o of `O O N 0 0 o a c 6 2 It co co a)r m CO a) c I °'a N 0 o 3 c o U 2 O L d 0 0 O C co .0) 0 0 0) Ws O C E a HBO ) a) E N c .0 'O E 0 —Ya)r 0 0 a o me -ca)A E 00u, o Z M v) 0 0 N o _c .c N oa)0 0.cm-v 4! m 2 c 0)) Z c) a0Ofl c VWNp'</0� 0.ca c 0 NE 3 O ' N j 3 U U .Lm. Q N . N o co 'O 0. N o N 0 0, o'er 3 U 0 c E m a) 0 0a2 Z� 0� oaoi o n) a �OET � � o = rn i) •5 0 a 03 al � o cocoas m o 2 co Z o a0 va a) a) a m Qa) E 0 a. 0 O '' co a) Li @ C _ a) C Z . 2 < 0 (0 0= @ a) O N O a3 .c T d O t 0 00 0 0 .0.. O cn 2 O 0 '0) N C 0� � U d o 0)0) is m m E o:a ,z O C ( 7 w 'O O 'O a a7 ..0 f6 O a.0 i N O O C O O o 0 O 'i/1 > O Q O- a) U o N 0 8 O 0 c 0 10 a N 7 2) 03 N o a ((3 (00 oa�io CI. .(1/ ur0 =mc E m �� a)E R 0E 0)5O ^2 a'Oa 3 F-&.. U)0 co (0 0 0 oom o" co N I- o._ O Transportation N m .c 0) y N N ?al O O , o cr Vi d' p cc E D 2 Local Roads I Not rated or not available Soil Rating Points 0 0 a m Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties Hydrologic Soil Group Hydrologic Soli Group—Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (C0683) Map unit symbol Map unit name Rating Acres In A01 Percent of AOI 56 Potts loam, 6 to 12 percent slopes C 9.9 29.6% 58 Potts-Ildefonso complex, 12 to 25 percent slopes C 14.1 42.2% 66 Torriorthents- Camborthids-Rock outcrop complex, steep D 9.5 28.3% Totals for Area of Interest 33.5 100.0% Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long -duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink -swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. USDA Natural Resources Web Soil Survey 4/10/2014 a Conservation Service National Cooperative Soil Survey Page 3 of 4 Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff. None Specified Tie-break Rule: Higher USDA Natural Resources Web Soil Survey 4/10/2014 al Conservation Service National Cooperative Soil Survey Page 4 of 4 COLORADO ENGINEERING 11:COR POR A TCD APPENDIX B Existing Hydrology Calculations P.O. Box 1301 'Rifle, Colorado 181650 1(970) 625-4933 Pagel 5 <Subca> Site Area 3 Site Area 1 Reach Site Area 2 Routing Diagram for Drainage Basins Existing Prepared by {enter your company name here}, Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 2 Area Listing (selected nodes) Area CN Description (sq -ft) (subcatchment-numbers) 40,511 86 Pasture/grassland/range, Poor, HSG C (3S, 4S, 5S) 40,511 86 TOTAL AREA Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 3 Soil Listing (selected nodes) Area Soil Subcatchment (sq -ft) Group Numbers 0 HSG A 0 HSG B 40,511 HSG C 3S, 4S, 5S 0 HSG D 0 Other 40,511 TOTAL AREA Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 4 Ground Covers (selected nodes) HSG -A HSG -B HSG -C HSG -D Other Total Ground (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) Cover 0 0 0 40,511 0 40,511 0 0 0 40,511 Pasture/grassland /range, Poor 0 40,511 TOTAL AREA Drainage Basins Existing Type 11 24 -hr 0.5"Storm Rainfall=0.50" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 5 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 19 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 13 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 11 cf Total Runoff Area = 40,511 sf Runoff Volume = 43 cf Average Runoff Depth = 0.01" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type 1124 -hr 2 YearRainfal1=1.04" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 9 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.15 cfs 287 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.10 cfs 202 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.08 cfs 160 cf Total Runoff Area = 40,511 sf Runoff Volume = 649 cf Average Runoff Depth = 0.19" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type 1124 -hr 25 YearRainfall=1.75" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Paae 13 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.49 cfs 902 cf Subcatchment4S: Site Area 2 Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.35 cfs 636 cf Subcatchment5S: Site Area 3 Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.27 cfs 502 cf Total Runoff Area = 40,511 sf Runoff Volume = 2,041 cf Average Runoff Depth = 0.60" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type ll 24 -hr 100 YearRainfall=2.21" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 17 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.75 cfs 1,383 cf Subcatchment4S: Site Area 2 Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.53 cfs 976 cf Subcatchment5S: Site Area 3 Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.42 cfs 771 cf Total Runoff Area = 40,511 sf Runoff Volume = 3,130 cf Average Runoff Depth = 0.93" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf ENGINEERING 1 A CO R POR A T1:0 APPENDIX C Developed Hydrology Calculations P.O. Box 1301 1 Rifle, Colorado 181650 I (970) 625-4933 Pagel6 4ubca> Site Area 3 (3S) (-IS) Site Area 1 Reach Site Area 2 Routing Diagram for Drainage Basins Devleoped Prepared by {enter your company name here}, Printed 4/16/2014 HydroCAD®10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD®10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 2 Area Listing (selected nodes) Area CN Description (sq -ft) (subcatchment-numbers) 40,511 87 Dirt roads, HSG C (3S, 4S, 5S) 40,511 87 TOTAL AREA Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 3 Soil Listing (selected nodes) Area Soil Subcatchment (sq -ft) Group Numbers 0 HSG A 0 HSG B 40,511 HSG C 3S, 4S, 5S 0 HSG D 0 Other 40,511 TOTAL AREA Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Paae 4 Ground Covers (selected nodes) HSG -A HSG -6 HSG -C HSG -D Other Total Ground Subcatchment (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) Cover Numbers 0 0 0 40,511 0 40,511 0 0 0 40,511 Dirt roads 3S 4S 5S 0 40,511 TOTAL AREA Drainage Basins Devleoped Type 1124 -hr 0.5"Storm Rainfall=0.50" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 5 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 28 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 20 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 16 cf Total Runoff Area = 40,511 sf Runoff Volume = 63 cf Average Runoff Depth = 0.02" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type Il 24 -hr 2 YearRainfa11=1.04" Prepared by {enter your company name here) Printed 4/16/2014 HydroCAD®10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 9 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.17 cfs 326 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.12 cfs 230 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.10 cfs 181 cf Total Runoff Area = 40,511 sf Runoff Volume = 737 cf Average Runoff Depth = 0.22" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type 1124 -hr 25 YearRainfall=1.75" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Pape 13 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.53 cfs 973 cf Subcatchment4S: Site Area 2 Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.37 cfs 687 cf Subcatchment5S: Site Area 3 Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.29 cfs 542 cf Total Runoff Area = 40,511 sf Runoff Volume = 2,202 cf Average Runoff Depth = 0.65" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type 1124 -hr 100 Year Rainfall=2.21" Prepared by {enter your company name here) Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 17 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 SubcatchmentsS: Site Area 3 Total Runoff Area = 40,511 sf Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.79 cfs 1,472 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.56 cfs 1,038 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.44 cfs 820 cf Runoff Volume = 3,330 cf Average Runoff Depth = 0.99" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf COLO:R.DO ENG INEER1NG INCORPORATED APPENDIX D Slope Drain Capacity P.O. Box 1301 I Rifle, Colorado 181650 I (970) 625-4933 Page 7 Rock Lined Slope Drain Worksheet for Trapezoidal Channel Project Description Project File Worksheet Flow Element Method Solve For untitled.fm2 Rock Lined Slope Drain Trapezoidal Channel Manning's Formula Discharge Input Data Mannings Coefficient Channel Slope Depth Left Side Slope Right Side Slope Bottom Width 0.035 0.100000 ft/ft 1.00 ft 2.000000 I-1: V 2.000000 H : V 2.00 ft Results Discharge Flow Area Wetted Perimeter Top Width Critical Depth Critical Slope Velocity Velocity Head Specific Energy Froude Number Flow is supercritical. 38.96 cfs 4.00 ft2 6.47 ft 6.00 ft 1.46 ft 0.020567 ft/ft 9.74 ft/s 1.47 ft 2.47 ft 2.10 04/15/14 FlowMaster v5.15 03:19:14 PM Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203) 755-1666 Page 1 of 1 IWirile4'heiligeWif.4 1 viii 11111 0 0 H Z 0 0 0 J H CE Li oCD 0 L 0 a �w row Bill Barrett Corporation 2 - co f C O c 4 Oa) N O a= L C 4- -0 0 (A CO Rf C O O a) C c ; UA fn O O C O O 0 ca 0 E`~ O C m "-' L "0 0 C ' R3 a) C m U c Q-ctlm co oo 7 a) u) 0 0 0-0 nt cpm >, C N— E a) m 2 J 0 cn O) 0 O- ca C Q,_C }, Q 0 a)CQi5of�LE= ZE 0 Q�0 'co 0 0 0 0 0 0 0 `t O a) 4 f0- .0 14- Q U E C a) C U) To N N O co 2 72 C (B N Q .-00 E cc N > ® .c C C 0) �' E N N As 2 E L-0❑ > w —c ' 0i ❑ m o N m o a E C [fl cA U N 0) QC 0 O N 0) " E fa 0 0. 0 a) C 0 0 L = (1) c/) > L m E- 03 4— O To a) a) X co ca T E N 0 c E N U 0) 0 _ ❑ LL O 0> �W "0 LJ.. W M L CD 4- u") C W O O O_ Z O U O 4--. 0 12- IL) O 0) fd a) ca a) a) 0 (O C N 22 N CI - a) — U_ a) STATE OF COLORADO -0 m N Q N O f0 corm O E-0 o 4 'G C a) a) C ` �l ` O) a) -0 > a) O O 4- C U d 0 U) i O c„ w 3� C = fl u 0) 7 0 E > c0 N z . N 0 1E Ti) 0 1— 0 My Commission Expires: O N O O 0 0 Q w Z w 0 O O co rn N O 0 co a LL LIMITED GRANT OF AUTHORITY We, Circle B Land LLC, hereby grant Bill Barrett Corporation and its employees the authority to act on our behalf in all matters relating to land -use permits in Garfield County, Colorado. This includes permission to enter on the property of Circle B Land LLC for purposes of conducting the required biological surveys or testifying in front of any Garfield County or State of Colorado Regulatory bodies. This Limited Grant of Authority may be executed in any number of counterparts and by different parties in separate counterparts. Each counterpart when so executed shall be deemed to be an original and all of which together shall constitute one and the same document. Dated this 30th day of July, 2014 Circle B Land LLC Mitchell J. Reneau Vice President - Land STATE OF COLORADO ) ss. COUNTYOF DENVER The foregoing instrument was acknowledged before me this 30th day of July, 2014, by Mitchell J. Reneau, Vice President - Land of Circle B Land LLC a Colorado Corporation, on behalf of said corporation. My commission expires 411 a 5l /9 -is CHERYL D. MATTKA NOTARY PUBLIC STATE OF COLORADO NOTARY ID # 20074017315 MY COMMISSION EXPIRES DECEMBER 05, 2015 DA Barrett Corporation STATEMENT OF AUTHORITY Mitchell J. Reneau, Vice President — Land for Circle B Land Company LLC, (Circle B) a Colorado limited liability company is hereby authorized to act on behalf of, and represent Circle B in all matters related to applications for special use permits, conditional use permits, administrative permits, and land use change permits (and may execute such applications) submitted to Garfield County until such time as Circle B files a statement of record that Mitchell J. Reneau no longer has said authority. Circle B acknowledges that when any such permits are issued by Garfield County, they may contain covenants that run with the particular lands identified in such permits. IN WITNESS WHEREOF, I hereunto set my hand and affixed the seal of Circle B Land Company LLC this 30th day of July, 2014. Circle B Land Company LLC By: en Wonstolen Senior Vice President — General Counsel STATE OF COLORADO )§ COUNTY OF DENVER This instrument was acknowledged before me on the 30th day of July, 2014, by Ken Wonstolen, SeniorVice President — General Counsel, Circle B Land Company LLC, a Colorado corporation. Witness My Hand and Seal MATTHEW MULVERHILL NOTARY PUBLIC STATE OF COLORADO My Commission Expires 08/11/2014 1099 18th Street Suite 2300 DENVER, CO 80202 USA T 303.293.9100 F 303.291.0420 www.BILLBARRETTCORP.com Garfield County Community Development Department 108 8th Street, Suite 401 Glenwood Springs, CO 81601 (970) 945-8212 www.garfield-county.com PRE -APPLICATION CONFERENCE SUMMARY DATE: 3/21/2014 TAX PARCEL NUMBER:2179-233-00-203 PROJECT: Storage Yard PROPERTY OWNER: Circle B Land Company, LLC REPRESENTATIVE: Doug Dennison & Katy Middleton / Bill Barrett Corporation PRACTICAL LOCATION: North of Chipperfield Lane, east of Sierra Vista Ranch Subdivision ZONING: Rural TYPE OF APPLICATION: Limited Impact Review for "Storage" and "Welding" I. GENERAL PROJECT DESCRIPTION A pre -application conference was originally conducted for this project on May 23, 2013. Since more than six months had elapsed, the pre -application conference was redone on March 20, 2014. The Applicant wishes to obtain a Land Use Change Permit for a 10 acre storage yard on a 40 acre property. This facility will store various equipment and materials for gas production in the Mamm Creek area. It is also anticipated that short-term welding will occur at the storage yard for specific projects which will require employees to be on-site. Since these welding projects will be sporadic, the Applicant is not proposing permanent water or wastewater systems on-site but rather a Port- o -let and bottle water. The site will be accessed from a private road that ties into Chipperfield Lane. Under the Garfield County Land Use Code of 2013, as amended, Storage located within the Rural zone district is processed by the County through a Limited Impact Review whereas welding is processed by the County through an Administrative Review. To simplify the review process, welding will be included in the more restrictive review process which is Limited Impact Review. II. REGULATORY PROVISIONS APPLICANT I5 REQUIRED TO ADDRESS Garfield County Land Use and Development Code, specifically sections: ■ Limited Impact Review, Section 4-104 ■ Common Review Procedures, Table 4-102 ■ Submittal Requirements, Table 4-201 ■ Article 7, Division 1, 2, and 3 ■ Section 7-1001, Industrial Uses Standards III. SUBMITTAL REQUIREMENTS ■ 4-203.B. General Application Material ■ 4-203.C. Vicinity Map ■ 4-203.D. Site Plan (includes: ■ 4-203.E. Grading and Drainage Plan ■ 4-203.G. Impact Analysis ■ 4-203. K. Improvements Agreement (may be required depending on need for any public improvements) ■ 4-203.L. Traffic Study (may require Detailed Traffic Analysis 4-203.L.3) ■ 4-203. M. Water Supply/Distribution Plan ■ 4-203.N. Wastewater Treatment Plan ■ 4-203.O. Floodplain Analysis ■ Any additional materials to demonstrate compliance with Sections 7, Divisions 1, 2, and 3 and Section 7-1001. In addition, the applicant shall comply with Policy 01-14 (attached) should a waiver be requested for any public or private roadways providing access to the site. IV. REVIEW PROCESS The process to accommodate these requests shall require a Limited Impact Review process. (4- .04) process pursuant to the Land Use and Development Code, as amended. A. Pre -application Conference. B. Application Submittal. C. Determination of Completeness. (zo days for staff review, 6o days for applicant to correct any deficiencies in the submittal) D. Schedule Public Hearing, (30 days prior to hearing) provide documentation regarding notice requirements. E. Additional Copies requested and sent to referral agencies. F. Evaluation by Director/Staff resulting in a Staff Report to the Board of County Commissioners. G. Public Hearing before the BOCC, resulting in a final approval, approval with conditions or denial. H. Recording of decision in an approved Resolution I. If approved, issuance of a Land Use Change Permit based on demonstration of compliance with any conditions of approval. V. PUBLIC HEARINGS AND NOTICE Public Hearing notices shall be posted, mailed and published pursuant to Section 4-101.E. None Planning Commission X Board of County Commissioners Board of Adjustment VI. REFFERALS Referral will be sent to the following agencies, but may include others: • Garfield County Road and Bridge Department • The Appropriate Fire District • Colorado Division of Wildlife VII. APPLICATION REVIEW FEES This application will be subject to the following fees and deposit requirements: Planning Review Fees: $ 400 Plus any additional Staff time charged at staff hourly rate of $40.50 Referral Agency Fees: $ (N/A) Total Deposit: $400 General Application Processing Planner reviews case for completeness and sends to referral agencies for comments. Case planner contacts applicant and sets up a site visit. Staff reviews application to determine if it meets standards of review. Case planner makes a recommendation of approval, approval with conditions, or denial to the appropriate hearing body. Please submit 3 paper copies and 1 electronic (CD) copy of the application. Additional referral copies will be requested following technical completeness review. Disclaimer The foregoing summary is advisory in nature only and is not binding on the County. The summary is based on current zoning, which is subject to change in the future, and upon factual representations that may or may not be accurate. This summary does not create a legal or vested right. Pre -application Summary Prepared by: January 8, 2014 avid Pesnich- , AICP Date Senior Pla - er Policy 01-14 Waivers for Roads and Demonstration of Compliance March 3, 2014 A5 Section 7-107, Access and Roadways, of the Garfield County Land Use and Development Code (LUDC) requires all roads to be designed to provide for "adequate and safe access" and reviewed by the designated County Engineer. The LUDC defines "road" as "a County road, State highway, public road, street or alley, or private thoroughfare which affords primary access to abutting property, excluding a driveway accessing a single property." The LUDC defines "private road" as "a right-of-way constructed, established, owned, and maintained by a private party for access exclusively to private property." Many of the roads in Garfield County are private roads in that they are gated and do not serve the general public and they pre-existed the design currently required by the County's Road Standards as defined in Table 7-107. The LUDC allows for the waiver of specific standards provided that the following criteria have been met: 1) an alternative design achieves the intent of the subject standard to the same or better degree and 2) the proposed alternative will impose no greater impacts on adjacent properties than would occur through compliance with the specific standard (Section 4-118). In applications that include roads that do not meet current County road standards as outlined in Table 7- 107, the County has asked that Applicants request a waiver of Section 7-107.F, Design Standards, and include in the Application submittal sufficient information, prepared by a professional qualified in the specific discipline, to demonstrate that they meet the criteria outlined in Section 4-118 for granting a waiver. In doing so, the application must include: A Statement of Adequacy - The evaluation of the existing roadway and waiver will need to include a clear statement that finds that the road will be adequate for the proposed use. This statement must be signed by a professional engineer qualified in traffic engineering and licensed by the State of Colorado. To support this evaluation, the following information will be required to be provided: o Geometry of the road — A description of how the private road does/does not meet the design standards in Table 7-107. This should include a chart that compares the private road design to those standards in Table 7-107, as well as a map that shows the existing road design and highlights those areas that deviate from the standards. A narrative may also be helpful in describing the characteristics of the road as they compare to Table 7- 107 design standards. Unless available, this is not intended to imply construction -level drawings. Wage o Safety/Structural Issues — A description of obvious safety and/or structural issues observed and a statement about how these issues will be addressed. o Maintenance — A description of how the road is and/or will be maintained. This should be supported with the submittal of any existing or proposed maintenance agreements for the road sections. o Travel Demand — An accurate count of the existing peak travel demand as well as the Average Daily Traffic on the road. This should also include the types of vehicles that currently use the road as well as the additional amount and type of traffic that the proposed use will generate through all phases of its development. Other Evidence of Compliance. In addition, Sections 7-107.A, B, C, D, and E are required to be addressed, which includes documentation about legal access. Sufficient evidence will be required to be submitted to demonstrate compliance with these sections of the Code. 211, age Bill Barrett Corporation Circle B Laydown Yard Circle B Laydown Yard Bill Barrett Corporation Limited Impact Review Application Narrative Bill Barrett Corporation (BBC) is pursuing a Limited Impact Review (LIR) in Garfield County for the development of a laydown yard, the Circle B Laydown Yard (CBLY). The proposed site will be located on private property, owned by Circle B Land Company LLC, south of Silt, Colorado. The site will be defined as a Storage Area. The facility's main function will be to store equipment in a location centralized to BBC's production field. 1.1 Description The purpose of the proposed CBLY site is to increase efficiency in the transportation of equipment to all well pads within the BBC Piceance field. The proposed storage site will reduce overall heavy traffic by allowing smaller vehicles to transport equipment over shorter distances. The average distance from the site to a well pad location is approximately 3 miles. The parcel is currently owned by Circle B and includes a residence on the property. The residence is currently vacant and there are no immediate plans to occupy the structure. Separators will be the primary equipment stored at the CBLY. Natural gas separators remove solid particles and liquids from a continuous gas stream supply. Separators are essential to the production of natural gas. In addition, pipe and other fittings used on natural-gas production pads will be stored at this location. The CBLY will not require personnel to be staffed at the site and personnel will only access the proposed site for loading/unloading and infrequent welding events. A copy of the Emergency Response Plan is provided in the Maps and Plans Tab. Certifications of training can be provided upon request. Welding will occur infrequently at the site during normal operating hours. Welding normally occurs at a well pad, but in rare cases equipment will need to be fabricated prior to being transported to the well pad. The welding equipment is truck mounted and will not be stored on-site. The mobile welding equipment contains a power source and does not require the installation of any utilities. Welding is processed through an administrative review. Based on the pre -application meeting, welding will included in the subject LIR. The Pre -Application Summary is located in the Application Materials tab. The site was previously graded and graveled. The site is located centrally within the 40 acre parcel. An access road to the site location is maintained by BBC. A site plan is located in the Maps and Plans tab. During the three-week construction phase, traffic will increase as equipment and supplies are delivered to the site. Trips will generally include low -boy multi -unit trucks, approximately one to three per day, and pickups to transport staff, approximately two to three per day. During the operational phase of the project, vehicles accessing the facility will primarily consist of pickup trucks, approximately eight vehicles or 16 trips per day. A medium weight truck will access the site one time per week for 2 trips per week. Approximately five heavy trucks (10 trips) will access the site monthly to make equipment and material deliveries. Typical daily volumes will be approximately 16 trips per day with the potential for 20 trips. Application Narrative Garfield County Limited Impact Review, 2014 Page 1 of 3 Bill Barrett Corporation Circle B Laydown Yard The site reduces the tractor trailer traffic on county roads, by trucks trailers delivery to one centralized location, not individual well pad locations. A support truck (winch truck) will be used to deliver from the CBLY to the individual locations. A small crane will be used to unload separators when they are delivered to the site and will only come to the site when a tractor -trailer delivers new separators. The traffic report, located in the Impact Analysis tab, determined that the increase is traffic is negligible and no significant improvements to the county roads are warranted. 1.2 Purpose and Need The proposed storage site will result in improved efficiency in transportation. The proposed site on the Circle B property will accommodate the storage of separators for all future well pad locations within BBC's Piceance field. 1.3 Facilities and Equipment Summary The following section summarizes the structures and equipment that exist and are proposed within the site perimeter. Existing: Existing Agricultural Barn - The Barn will not be used for the proposed land use, a storage site. The barn will remain and no equipment or supplies related to natural-gas development will be stored within the barn. Proposed: -Separators and other natural-gas production equipment will be Stored at the site. None of the equipment stored at the CBLY will contain any liquids. The CBLY storage site plan is provided in the Maps and Plans Tab. 1.4 Location The proposed CBLY site plan is designed to be approximately 5 acres and will be southeasterly located on parcel 2179-233-00-203, Section 23, Township 6 South, Range 92 West of the 6th Principal Meridian, Garfield County. The subject parcel is 40 acres. Circle B Land, LLC, an entity of BBC, is the owner of the property. Circle B has fractional mineral ownership. A complete of list of mineral owners is located in the Impact Analysis tab. The Garfield County Assessors map, legal description, surface use agreement, and the deed for the property are provided in the Impact Analysis Tab. The CBLY is located on rural zoned parcel. All adjacent parcels are zoned rural or public lands. 1.5 Section 4-202 Waiver of Submission Requirements Section 4-203 J. Development Agreement BBC requests a waiver for the Development Plan, Section 4-203(1) of the Garfield County Land Use and Development Code. The proposed site is an industrial use and will be owned solely by the applicant. The Development Agreement is not applicable to the proposed site because the applicant does not seek to enter into a development agreement. Application Narrative Garfield County Limited Impact Review, 2014 Page 2 of 3 Bill Barrett Corporation Circle B Laydown Yard Section 4-203 K. Improvement Agreement BBC requests a waiver for the Improvement Agreement, Section 4-203(K) of the Garfield County Land Use and Development Code. The site will not require the installation of public utilities nor will it increase demands on public facilities. The site is located in a remote rural area that is currently adjacent to public lands, agricultural and natural resource activities. The Improvement Agreement is not applicable to the proposed site because the remote location will not require the installation or improvements of public facilities. Application Narrative Garfield County Limited Impact Review, 2014 Page 3 of 3 Bill Barrett Corporation Circle B Laydown Yard Storage Table of Contents 1. Application Materials 1. Limited Impact Review Application 2. Payment Agreement Form 3. Signature of Authority 4. Limited Grant of Authority- Circle B Granting to BBC 5. Signature of Authority from Circle B 6. Pre -application Summary 7. Application Narrative 2. Maps and Plans 1. Garfield County Location Map 2. Zoning Map 3. Site Plan (Provided on 24 x 36 inch sheets) 4. As -Built Figure 5. Emergency Response Plan 6. Water Supply and Management Plan 7. Wastewater Management Plan 8. Redi Services Contract 3. Grading and Drainage Plan 1. Grading and Drainage Plan Narrative 2. Drainage Report 3. Grading Plan and Erosion Control Plan Figure (Provided on 24 x 36 inch sheets) 4. Erosion Control Figure (Provided on 24 x 36 inch sheets) 5. Hydrologic Features Figure 6. Floodplain Figure 7. Slope Analysis Map 8. Soil Map Figure 9. Stormwater Management Plan 10. Stormwater Permit 11. Stormwater Permit Extension Application - Table of Contents Garfield County Limited Impact Review, 2014 Page 1 of 2 Bill Barrett Corporation Circle B Laydown Yard 4. Impact Analysis 1. Impact Analysis Narrative 2. Vicinity Map and Access Road Figure 3. List of Adjacent Parcel Owners 4. Adjacent Parcel Owners Map 5. Mineral Rights Owners 6. Parcel Map 7. Parcel Deed 8. LEGG Right of Way Agreement 9. Access Agreement 10. Access Route and ROW Exhibit A Figure 11. Biological Survey 12. Weed Management Plan 13. Class 1 Cultural Report 14. Traffic Study 15. Roadway Maintenance 16. Site Photos 5. Standards 1. Division 1 2 3 Standards Narrative 2. Division 1001 Standards Narrative 3. 7-202 Wildlife Habitat Report 4. Garfield County 2030 Future Zone District Figure 5. On -Site Roadway Standards Figure 6. Access Roadway Assessment Report Application - Table of Contents Garfield County Limited Impact Review, 2014 Page 2 of 2 Bill Barrett Corporation Bill Barrett Corporation Circle B Laydown Yard Garfield County Land Use Application Limited Impact Review Storage Area April 2014 Application: Bill Barrett Corporation 112 Red Feather Trail Silt, CO 81652 (970) 270-2853 Bill Barrett Corporation Circle B Laydown Yard Grading and Drainage Plan Table of Contents 1. Grading and Drainage Plan Narrative 2. Drainage Report 3. Grading Plan Figure and Erosion Control Plan Figure 4. Erosion Control Plan Figure 5. Hydrologic Features Figure 6. Floodplain Figure 7. Slope Analysis Map 8. Soil Map Figure 9. Stormwater Management Plan 10. Stormwater Permit 11. Stormwater Permit Extension Grading and Drainage Plan- Table of Contents Garfield County Limited Impact Review, 2014 Page 1 of 1 Bill Barrett Corporation Circle B Laydown Yard Grading and Drainage Plan Control Plan Section 4-203 (E) TABLE OF CONTENTS 1.0 Introduction The following section addresses the requirements for the Grading and Drainage Plan Control Plan under Section 4-203 of the Garfield County Land Use and Development Code (LUDC). 2.0 Site Map. A site map showing locations of any existing structures, Waterbodies or hydrologic features on the site, including intermittent water features, Wetlands, and the 100 year Floodplain boundaries. The site map is located in the Maps and Plans Tab. Hydrologic features figure is located in the Grading and Drainage Plan tab. 2.1 Drainage Structures. a. Locations of existing and proposed drainage structures or natural drainage features affecting site drainage on the parcel and within 10 feet adjacent to the site boundary, including street gutters, storm sewers, drainage channels, and other water conveyance structures; and Wetlands or other Waterbodies receiving storm runoff from the site. b. Preliminary engineering design and construction features for drainage structures to be constructed. The grading plan is located in the Grading and Drainage Plan Tab. Site plan is located in the Maps and Plans tab. 2.2 Topography. Existing topography at reasonable contour intervals to provide necessary detail of the site. The map should extend a minimum of 10 feet beyond the property line and show the location of the property line. The site plan is located in the Maps and Plans Tab. The grading plan is located in the Grading and Drainage Plan tab. 2.3 Grading Plan. A grading plan showing the proposed topography at reasonable contour intervals that provides necessary detail of the site. The plan shall show elevations, dimensions, location, extent and Slope of all proposed clearing, and Grading including building site and driveway grades. The grading plan for the proposed site is located in the Grading and Drainage Plan Tab. 2.4 Soil Stockpile and Snow Storage Areas. Probable locations of soil stockpiles and snow storage areas. The site was previously graded and graveled and the proposed site will be located within the entire graveled area. Site plan is located in the Maps and Plans tab. The driveway was previously constructed for the existing barn and graveled area. It is not anticipated that there will be any stockpiles on this location and little to no erosion is anticipated. Snow storage will not be required since the proposed use will not staff personnel. Grading and Drainage Plan Narrative Garfield County Limited Impact Review, 2014 Page 1 of 4 Bill Barrett Corporation Circle B Laydown Yard 2.5 Drainage Plan. Proposed drainage plan. BBC will utilize engineering and operational BMPs to limit runoff. The proposed use will not require the use or storage of water on-site. The Drainage Report and figures are located in the Grading and Drainage Plan tab. 2.6 Equipment Storage Areas. Location of storage areas designated for equipment, fuel, lubricants, chemical, and waste storage with an explanation of spill containment structures. No liquids or semi-solid materials will be transported or stored on the proposed storage site. 2.7 Temporary Roads. Location of temporary roads designed for use during the construction period. A temporary road will not be required for the construction duration. The access road was previously constructed for an existing barn and gravel area. The access road shown on the grading plan, located in the Grading and Drainage Plan tab. 2.8 Areas of Steep Slope. Areas with Slope of 20% or greater shall be identified by location and percentage of Slope, both for the existing site conditions and within the developed area. The subject area was previously disturbed and slopes indicated represent existing site conditions and the developed site. Natural terrain with slopes greater than 20% exist west of the site. The western boundary area of the site is not graveled and will not be utilized. 2.9. Construction Schedule. Construction schedule indicating the anticipated starting and completion time periods of the site grading and/or construction sequence, including the installation and removal of Grading and Drainage Plan control measures, and the estimated duration of exposure of each area prior to the completion of temporary Grading and Drainage Plan control measures. The site was previously graded and graveled. A construction schedule for the proposed site is not anticipated. 2.10 Permanent Stabilization. A brief description of how the site will be stabilized after construction is completed. The proposed site will be 10 acres and will be located within a previously graded and graveled area. Areas of disturbance around the site and access road will be revegetated (in accordance with the CBLY Weed Management Plan and Reclamation Plan located in the Impact Analysis tab) for final stabilization. Erosion controls and BMPs are located in the Drainage Report, located in the Grading and Drainage Plan tab. 2.11 Erosion Control Measures. Plan view drawings of all Grading and Drainage Plan control measures showing approximate locations and site drainage patterns for construction phases and final design elements. Text may be necessary to accompany and explain the drawings. Typical erosion control measures should be depicted using standard map symbols. The Erosion Control Plan is located in the Grading and Drainage Plan tab. Erosion control measures are detailed in the Drainage Report. Grading and Drainage Plan Narrative Garfield County Limited Impact Review, 2014 Page 2 of 4 Bill Barrett Corporation Circle B Laydown Yard 2.12 Estimated Cost. Estimated total Cost, including installation and maintenance. No equipment or installation of structures is required for the proposed use. The estimated grading cost for the proposed site is $2000. Maintenance, including stormwater inspections, is estimated at $500 annually. 2.13 Calculations. Any calculations made for determining rainfall, runoff sizing any sediment basins, diversions, conveyance, or detention/retention facilities. The site is located in a region with an annual precipitation of 11.58 inches. Calculations are detailed in the Drainage Report. Three basins are proposed for drainage of the site. Site features are indicated in the grading plan located in the Grading and Drainage Plan tab. 2.14 Neighboring Areas. A description of neighboring areas with regard to land use and existing pertinent features such as lakes, streams, structures, roads, etc. The subject and adjacent parcels are zoned rural and public lands. According to the Garfield County Assessor's Office, surrounding land uses are listed as agricultural, single family residents, public lands, and energy development. 2.15 Stormwater Management. A description of the stormwater management planning concept for the site, including both structural and nonstructural best management practices. The Drainage Report, located in the Grading and Drainage Plan tab, details stormwater mitigation features proposed for the site. Three basins will be installed and the site was previously graveled. BBC's Mamm Creek Field SWMP and BMP's will be implemented for the proposed site. A copy of the Mamm Creek Field SWMP and stormwater permit is located in the Grading and Drainage Plan tab. 2.16 Stormwater Management Plan. Copy of the stormwater management plan application to CDPHE with date of submittal. BBC's Mamm Creek Field SWMP and BMP's will be implemented for the proposed site. A copy of the Mamm Creek Field SWMP and stormwater permit is located in the Grading and Drainage Plan tab. 2.17 Hydraulic Calculations. Hydrologic, hydraulic, and all other calculations used to size and design drainage facilities and/or structural BMPs. Hydrologic calculations were based on the proposed site size of approximately 10 acres. Calculations and tables are detailed in the Drainage Report. 2.18 Maintenance Requirements. Maintenance requirements for all proposed BMPs should be discussed including access, schedules, costs, and designation of a responsible party. The maintenance requirements of the proposed BMP's shall be consistent with those of BBC's Stormwater Management Plan (SWMP). This applies to inspections and physical maintenance. Maintenance tasks may include sediment removal (when the BMP is at 50% capacity), reinstallation or removal and replacement of BMP's, installation of new BMP's, removal of unnecessary BMP's, or a combination of activities. The facilities will be inspected every two weeks and following each precipitation event. A copy of the Mamm Creek Field SWMP and stormwater permit is located in the Grading and Drainage Plan Narrative Garfield County Limited Impact Review, 2014 Page 3 of 4 Bill Barrett Corporation Circle B Laydown Yard Grading and Drainage Plan tab. Stormwater mitigation features are detailed in the Drainage Report, located in the Grading and Drainage Plan tab. 2.19 Spill Prevention Control and Countermeasures Plan, if Applicable. A SPCC Plan will be required for any facility with the potential to discharge oil of any kind or in any form including, but not limited to, petroleum, fuel oil, sludge, oil refuse and oil mixed with wastes, in quantities that may be harmful to navigable water and adjoining shoreline, per EPA regulations. The requirement "Spill Prevention Control and Countermeasures," Section 4-203 E. 21 of the Garfield County Unified Land Use and Development Code, is not applicable to the proposed use. No liquids or semi-solid materials will be transported or stored on the proposed storage site. Grading and Drainage Plan Narrative Garfield County Limited Impact Review, 2014 Page 4 of 4 STATE OF COLOPADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT WATER QUALITY CONTROL DIVISION TELEPHONE: (303) 692-3500 CERTIFICATION TO DISCHARGE UNDER CDPS GENERAL PERMIT COR -030000 STORMWATER DISCHARGES ASSOCIATED WITH CONSTRUCTION Certification Number COR039752 This Certification to Discharge specifically authorizes: Bill Barrett Corp. LEGAL CONTACT: Scot A. Donato, Bill Barrett Corp. 1099 - 18th Street Ste. 2300 Denver, CO 80202 Phone # 303/312-8191 jmerry@billbarrettcorp.com LOCAL CONTACT: Jesse Merry, Field Supervisor, Phone # 970/ 985-9061 sdonato@billbarrettcorp.com During the Construction Activity: Oil & Gas Production and/or Exploration Field to discharge stormwater from the facility identified as Mamm Creek Field which is located at: 2438 CR 333 Silt, Co Latitude 39.496, Longitude 107.621 In Garfield County to: -- Mamm Creek Anticipated Activity begins 03/30/2006 continuing through' 12/31/2007 On >5 acres (>5 acres disturbed) Certification is effective: 07/01/2007 Certification Expires: 06/30/2012 Annual Fee: $245.00 (DO NOT PAY NOW — A prorated bill will be sent shortly.) Page 1 of 22 STATE OF COLORADO John W. Hickenlooper, Governor Christopher E. Urbina, MD, MPH Executive Director and Chief Medical Officer Dedicated to protecting and improving the health and environment of the people of Colorado 4300 Cherry Creek Dr. S. Denver, Colorado 80246-1530 Phone (303) 692-2000 Located in Glendale, Colorado http://www.cdphe.state.co.us June 21, 2012 Laboratory Services Division 8100 Lowry Blvd. Denver, Colorado 80230-6928 (303) 692-3090 Scot A Donato, Mgr EH&S Bill Barrett Corp 1099 18 St Ste 2300 Denver, CO 80202 RE: Renewal of Permit/Certification Administrative Continuation For: Mamm Creek Field Located at: 2438 CR 333, Silt, Garfield County Permit No.: COR039752 Dear Mr. Donato; Colorado Department of Public Health and Environment The Division has received an application to renew the above permit/certification. It has been determined that there is sufficient information to make this permit/certification eligible for renewal. More information may be requested by the Division as progress is made in developing a new permit/certification for the above listed facility. This information must be made available to the Division when requested to complete the permit process. The Division is currently in the process of developing a new permit or master general permit and associated certification for the above permitted facility. The development and review procedures required by law have not yet been completed. When the discharge permit issued to you for your facility expired on June 30, 2012 your permit is administratively continued and remains in effect under Section 104(7) of the Administrative Procedures Act, C.R.S. 1973, 24-4-101, et seq (1982 rep!. vol. 10) until the new permit/certification is issued and effective. All effluent permit terms and conditions in your current permit will remain in effect until your new permit/certification is issued and effective. PLEASE KEEP THIS LETTER WITH YOUR PERMIT AND SWMP TO SHOW CONTINUATION OF PERMIT COVERAGE. Sincerely, Debbie Jessop Permits Section WATER QUALITY CONTROL DIVISION xc: Permit File COLORADO RWER ENGINEERING IKCORPOKATCD Memorandum To: Jim Ka!mon, PLS, Eclipse Surveying, Inc. From: Chris Manera P.E. and Catherine Berg Date: April 16, 2014 Subject: Bill Barrett Corporation — Drainage Memo Job #: CRE 1043.1 Colorado River Engineering Inc. has completed a drainage analysis of the Circle B Land Company's laydown yard site. The laydown yard, located on the 40 acre property, will store various equipment and materials for gas production in the Mamm Creek area. Garfield County regulations require that drainage and erosion be addressed to ensure that runoff does not increase flows offsite, and provides water quality measures per the County's standards in Sections 4-203 and 7-204 of the Land Use and Development Code. This report provides calculations of the storm events and a description of the methods utilized to mitigate runoff. Historic versus Developed Conditions The area considered for this drainage analysis includes the extent of the existing laydown yard pad as pictured in the attached Figure 1. The laydown yard was divided into three drainage basins totaling 0.93 acres. Because the site is located on the top of a high point there is no offsite drainage to the site. The analysis of historic conditions considered the site prior to the development of the access driveway, laydown yard, and existing building. The developed conditions analysis considered the site with development of the gravel driveway, gravel laydown yard, the existing building, and the proposed berm that will encompass the laydown yard. The peak runoff flows for this analysis were determined using the methodology given in the Soil Conservation Service's "Technical Release No. 20, Urban Hydrology". NOAA Atlas precipitation frequency estimates and the Soil Conservation Service soils mapping are attached as Appendix A. The Soil Conservation Service soils mapping lists the soils in the study area in the Hydrologic Group C. P.O. Box 1301 I Rifle, Colorado 181650 I (970) 625-4933 Page I1 Developed CN Q-2yr (cfs) Q-25yr (cfs) Q-100yr (cfs) 87 0.17 0.53 0.79 87 0.12 0.37 0.56 87 0.10 0.29 0.44 ENGINEERINGCOLOR.ADO RIVER INCORi3CULATIID The following table summarizes the existing and developed analysis of each of the three basins: Basin Name Area Soil Type Site Area 1 0.41 C Site Area 2 0.29 C Site Area 3 0.23 C Table 1 Drainage Basin Analysis Existing CN Q-2yr (cfs) Q-25yr (cfs) Q-100yr (cfs) 86 0.15 0.49 0.75 86 0.10 0.35 0.53 86 0.08 0.27 0.42 As Table 1 shows, the increase of the existing peak runoff rate to the developed peak runoff rate is negligible for both the 2 -year and 25 -year return frequency design storms (see HydroCAD analysis Appendix B and C). Also the curve numbers that were used for the developed conditions are conservative as the pit -run which covers the gravel laydown yard will have the ability to absorb more runoff than the native material. Drainage Improvements Although the post -development peak discharge rate does not significantly exceed the pre - development peak discharge rate for the 2 -year and 25 -year return frequency design storm, some drainage improvements are proposed. All drainage, erosion and sediment control measures are shown on the attached Grading and Drainage Plan design drawing (Figure 2). The site has been graded to provide positive drainage away from the existing building. A 2 -foot berm is proposed to be built around the laydown site. The berm will contain runoff and concentrate flows from each of the three small drainage basins to rock lined slope drains that will convey flows into three sediment traps. The slope drains have been sized to accommodate the 100 -year design storm (see Flow Master analysis Appendix D). The sediment traps have been designed to have the capacity to detain 39.0 cubic -feet of runoff, which exceeds the runoff volume resulting from the design precipitation event of 0.5" inches in 24 hours. The full runoff volume resulting from this 0.5" design storm will be able to seep into the ground from the sediment trap, allowing for the removal of potential pollutants. During larger storm events the contour ditch will spread flows, to provide sheet flow down the existing slope. The proposed development and drainage improvements will have no effect on existing water bodies. P.O. Box 1301 1 Rifle, Coloradol 816501 (970) 625-4933 Page 12 ENGINEERINGCOLORADO RIVER I NCO ReORATso Site Management Stock piling of topsoil is not anticipated; however any soil or snow that needs to be stockpiled shall be located on the existing gravel laydown yard. And similarly all equipment will be stored within the existing laydown site. The barn will not be used for the proposed storage site. If you have any questions, please feel free to call our office at (970) 625-4933. Sincerely, Christopher Manera, P.E. Catherine Berg P.O. Box 1301 1 Rifle, Colorado l 816501 (970) 625-4933 Page 13 MALand Projects R211043.1-EclipsoBlll BartelMwglCRE DesIgn.dwg, Me Plan Figura 1, 411 rk LEGEND STI E 1 • Circle B Property Boundary .e, _ ,1) , Site Driveway Access Road ( , t R Existing Building _ _. - ;: Fence Line e , y I il I / / M' r y •y4. y/ i 6 \ 'Existing -s Building I I {�o 1, g4.'kg ' e� "P „ it d W to • y Al,I ' •�� ' - is IP i \ `,,,_., Fly \ VPP r, , - ', IM 100'T 200' My" ,fad �:`Iti� ME phic S n Feet y v: _ '� 3573 i j CoLoltADO PO Box 1301 Rifle, CO 81650 Tel Site Mapy•\.'SS/.ONAG��.:r �‘•` -ssss Bill Ba Tett Corp.RIVE ENG 1 N E E R 1 N G 970-625-4933 File Name: CRE Design.dwg Job No: 1043.1 Client: I X C O 11 Y O H A t 1: D Drawn by: CH I Approved by: CM Date: 4/16/14 Eclipse Surveying M:vand Projects 8211043.1-Etllpse-6108anetAdwglCRE Oeslgn.dwg. Drainage Figure 2.41162014 IA420 PM �_____7 F/ ,! — --'�' '' - ' LEGEND Grading, Erosion Control, and soils Notes: — Sediment Trap, --- ------ /' 1) All site grading (excavation, embankment, and compaction) shall conform to the recommendations ! - / - 2Q ..---' :�/ �� // 1 59 -� latest investigation for further be in r--� .� • i--- r —svwww su Straw Wattle of the soils and addendums this property and shall conformance Rock Lined .-- ' �� �r with the Garfield County technical specifications. Slope Drain _-,•.,, � Contour Ditch J f /1," 52) Natural vegetation shall be retained and protected wherever possible. Exposure of soil to erosion �_ Tis — Site Driveway by removal or disturbance of vegetation shall be limited to the areas required for immediate Yifor sv- _ - i - �-- s�—�v� construction operation and for the shortest practical period of time. 5 -foot Contour ' � -'---- / 1 \ Compacted) \ \ ,, Berm � \ A — ° ° 0 A - -- —— 1 -foot Contour 3) Topsoil shall be stockpiled to the extent practicable on the site for use on areas to be revegetated. Any and all stockpiles shall be located in areas where they can be protected from erosive elements and events. y / /1/ / / 47 / N y' �' / ° ° ° ° 0 4) Temporary vegetation shall be installed on all disturbed areas where permanent surface straw wattle improvements are not scheduled for installation within three months. Vegetation shall be vigorous, drought tolerant, native species mix. Project scheduling should take advantage of spring and gall planting seasons for natural germination but seeded areas shall be irrigated. Plan View 5) At all times, the property shall be maintained and/or watered to prevent wind caused erasion. Rock Lined" Compacted Slope Drain Berm P Use 2 pine 1„ 1„ Earthworks operations shall be discontinued when fugitive dust significantly impacts adjacent stakes 12 x 1� x 12" at all erosion If earthwork is complete or discontinued and dust from the site continues to create 1 ` Existing-� �� VA \V Building, \ `Sediment Tra \ p \ i /� — • "` --. y �'" `,o� ; ��� r- �C��,:; "" — `, �/ y Entrench 3" Section log ends 24 in. and throughout JErosion a ` A -A or joints, otherwise use a stake every property. continue to alternate orientation problems, the contractor shall immediately institute mitigative measures and shall correct the the length of the erosion log damage to adjacent property. Apach 90° to each other 6) Temporary cut/fill slopes shall not exceed a steepness of 2H:1V. Bank or Hillside 7) Permanent or temporary soil surface stabilization must be applied to disturbed areas and Log stockpiles as soon as possible but no later than 14 days after final grade is reached on any portion of �4� �� the site. \ ) \.---/ Sediment removal •., / continuously Typical Staking Pattern, shall be performed 8 The contractor shall provide any additional dust abatement and erosion control measures deemed for proper function Straw Wattle Application necessary by the County to the Project Engineer should conditions merit them. 9) All temporary and erosion control and sediment control shall be maintained \ �� =� `��' \ ~--� Rock Lined-- ,: Native or re -compacted material to be used to construct berm permanent practices (not to scale) and repaired by the contractor during the construction phase as needed to assure continued performance of their intended function. All facilities must be inspected a minimum of every two weeks and following each precipitation or snowmelt event that results in runoff. s Slope Drain. \ —1111 1 �HZ 10) All temporary erosion control and sediment control measures shall be removed after a minimum \\\ N'''\'2'I=III— \ \ Sediment Trap �� - '" I I I i II I IH it I Ii i it i of 70% vegetative cover is established or as authorized by the County and/or Project Engineer. I IH II I IITII I I I / -, ---, -- —i,'t I I II I ''.-i c ,< )c 1) c �')c �t I, )cl)s r(1'1< ci(:)c= C , c e 7c 11) See landscaping plan for additional revegetation practices. ('(1 { )\ A (isr Ic7 r '\ Ditch i - ' 1'cobble] rII—lli,I ;O(Contour —,,- Construct at level elevation 25' 0' S0' %C )c` n'»\` match F -...2 to provide sheet flow. Match Existing M , I ( ) 1(t Section View -1' cobble i t FtE0/,9.,..‘‘‘ `.. Graphic Scale in Feet Mirafi 140-N Fabric below rock t' )< ,,�,\ 3 Wide ) ,/' )s Oc` (' ,i- •-r. c• ..... J channel. Install manufacturers r � �' ` 1 k %� x • , , ) ' " S _' ' hr.F ` �p 11 per installation guidelines. g Native or _ � _1, (, A , A ,,- ..O :, III III re -compacted � i I = � ,( )c >l )c t. )t "C. le �/ U � �: 11 1 —2,- re material '=111-. 79 7i ?h,I • Mirafi 140-N Fabric below rock # V 3QrJ — _ 1' ( ;�ikt • (spill direction) channel. Install per manufacturer's #' '1/4 �� 7 III 111—III ? 2 wide r � � �«US KSf 5n i � 4..... •I` / I—III-1 )` ' )c i, , (_)c c a � = installation guidelines. ( S 1 I—III— I\ -A 0) >( {< ( ♦�� r •• i IL / ]c� c , cid c ll, ���cs •.......••'��,•�� r %% siortPA- s 111- —111-1II 111-1'0,-,,41 Native or ., „. � �� i 3 �)c Sediement Trap ��� Y<<� 1 I 1 ;I U�obble +i►, • •: •'� ' �;. C c- C: if re -compacted I I - _ t_ (not to scale) trench I^` dc\`:' _'c`' Rock Lined Slope Drain Cobble material, 1' thick (see section v ew). Sediment (not to scale) Trap is 5'x3' at the bottom, 1' deep, w/ 2H:1V side lld'PO spills to contour ditch to provide sheet flow. COLORIDO RT' rER Box 1301 Rifle, CO 81650 Grading and Drainage Plan Bill Barrett Corp. Figure: 2 Plan View ENGINEERING Tel File Name: CRE Design.dwg lob No: 1043.1 Client: INCORPORATED Drawn by: CB (Approved by: CM Date: 4/16/14 Eclipse Surveying COLOR.ADO RIVER ENGINEERING I NCO ReaeATED APPENDIX A NRCS Soils Information NOAA Rainfall Data. P.O. Box 1301 1 Rifle, Colorado l 816501 (970) 625-4933 Page 14 Precipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdsc/pfds/pfds printpage.html?lat=39.5165&1... NOAA Atlas 14, Volume 8, Version 2 Location name: Silt, Colorado, US* Latitude: 39.5165°, Longitude: -107.6532° Elevation: 5626 ft* * source: Google Maps POINT PRECIPITATION FREQUENCY ESTIMATES Sanja Perica, Deborah Martin, Sandra Pavlovic, Ishani Roy, Michael St. Laurent, Carl Trypaluk, Dale Unruh, Michael Yekta, Geoffery Bonnin NOAA National Weather Service, Silver Spring, Maryland PF tabular 1 PF graphical 1 Maps & aerials PF tabular PDS -based point precipitation frequency estimates with 90% confidence intervals (in inches)1 Duration Average recurrence interval (years) 1 2 5 10 25 50 100 200 500 1000 5 -min 0.115 0.148 0.205 0.256 0.332 0.394 0.460 0.531 0.630 0.709 (0.090-0.147) (0.116-0.189) (0.160-0.262) (0.198-0.329) (0.250-0.451) (0.289-0.542) (0.326-0.652) (0.360-0.776) (0.410-0.951) (0.449-1.08) 10 -min 0.169 0.217 0.301 0.376 0.486 0.577 0.674 0.777 0.922 1.04 (0.132-0.215) (0.169-0.276) (0.234-0.384) (0.290-0.482) (0.366-0.660) (0.423-0.794) (0.477-0.954) (0.527-1.14) (0.601-1.39) (0.657-1.58) 15 -min 0.206 0.265 0.367 0.458 0.593 0.704 0.822 0.948 1.12 1.27 (0.161-0.262) (0.206-0.337) (0.285-0.468) (0.354-0.588) (0.446-0.805) (0.516-0.968) (0.582-1.16) (0.643-1.39) (0.733-1.70) (0.801-1.93) 30 -min 0.264 0.347 0.488 0.610 0.785 0.926 1.07 1.23 1.44 1.61 (0.206-0.336) (0.271-0.441) (0.379-0.622) (0.471-0.782) (0.588-1.06) (0.677-1.27) (0.757-1.51) (0.831-1.79) (0.936-2.17) (1.02-2.45) 60 -min 0.344 0.434 0.586 0.719 0.910 1.06 1.22 1.39 1.62 1.81 (0.269-0.437) (0.338-0.552) (0.456-0.748) (0.556-0.922) (0.682-1.23) (0.778-1.46) (0.864-1.73) (0.942-2.03) (1.06-2.44) (1.14-2.76) 2 -hr 0.424 0.521 0.685 0.828 1.03 1.20 1.37 1.56 1.81 2.01 (0.334-0.534) (0.410-0.656) (0.537-0.867) (0.646-1.05) (0.783-1.38) (0.886-1.62) (0.980-1.91) (1.06-2.24) (1.19-2.68) (1.28-3.02) 3 -hr 0.494 0.582 0.736 0.872 1.07 1.23 1.41 1.59 1.84 2.05 (0.391-0.619) (0.461-0.731) (0.580-0.926) (0.684-1.10) (0.817-1.42) (0.918-1.66) (1.01-1.95) (1.09-2.27) (1.22-2.71) (1.32-3.05) 6 -hr 0.615 0.709 0.871 1.01 1.21 1.38 1.55 1.73 1.97 2.16 (0.491-0.763) (0.566-0.882) (0.693-1.09) (0.800-1.27) (0.932-1.58) (1.03-1.82) (1.12-2.11) (1.20-2.42) (1.32-2.85) (1.41-3.18) 12 -hr 0.751 0.867 1.06 1.23 1.47 1.66 1.85 2.05 2.33 2.55 (0.606-0.925) (0.698-1.07) (0.852-1.31) (0.980-1.52) (1.14-1.89) (1.25-2.16) (1.35-2.48) (1.44-2.84) (1.57-3.32) (1.67-3.68) 24 -hr 0.901 1.04 1.27 1.46 1.75 1.97 2.21 2.45 2.78 3.05 (0.733-1.10) (0.843-1.27) (1.03-1.55) (1.18-1.80) (1.36-2.23) (1.51-2.55) (1.63-2.92) (1.74-3.34) (1.90-3.91) (2.02-4.33) 2 -day 1.05 1.21 1.47 1.69 2.01 2.27 2.54 2.82 3.21 3.52 (0.865-1.27) (0.989-1.46) (1.20-1.78) (1.37-2.06) (1.59-2.54) (1.75-2.90) (1.90-3.33) (2.02-3.80) (2.21-4.44) (2.36-4.92) 3 -day 1.14 1.31 1.61 1.87 2.23 2.51 2.80 3.10 3.51 3.83 (0.937-1.36) (1.08-1.58) (1.32-1.95) (1.53-2.26) (1.76-2.79) (1.94-3.18) (2.10-3.63) (2.23-4.13) (2.43-4.80) (2.58-5.30) 4 -day 1.21 1.40 1.73 2.00 2.38 2.68 2.98 3.29 3.71 4.03 (1.00-1.45) (1.16-1.68) (1.42-2.07) (1.64-2.41) (1.89-2.96) (2.08-3.37) (2.24-3.84) (2.38-4.35) (2.58-5.03) (2.73-5.55) 7 -day 1.42 1.62 1.96 2.24 2.63 2.94 3.25 3.57 4.00 4.33 (1.19-1.69) (1.35-1.93) (1.63-2.33) (1.85-2.68) (2.11-3.24) (2.30-3.67) (2.47-4.14) (2.60-4.67) (2.81-5.36) (2.96-5.88) 10 -day 1.61 1.82 2.15 2.44 2.83 3.14 3.46 3.78 4.22 4.55 (1.35-1.91) (1.52-2.15) (1.80-2.55) (2.02-2.90) (2.28-3.47) (2.48-3.89) (2.64-4.38) (2.77-4.90) (2.98-5.60) (3.14-6.13) 20 -day 2.13 2.36 2.75 3.06 3.50 3.84 4.18 4.53 4.99 5.34 (1.80-2.49) (2.00-2.77) (2.31-3.23) (2.57-3.61) (2.85-4.23) (3.06-4.69) (3.22-5.21) (3.35-5.78) (3.56-6.51) (3.72-7.07) 30 -day 2.55 2.83 3.28 3.65 4.15 4.53 4.91 5.29 5.77 6.14 (2.17-2.96) (2.40-3.29) (2.78-3.83) (3.08-4.28) (3.39-4.96) (3.62-5.49) (3.80-6.06) (3.93-6.67) (4.14-7.45) (4.30-8.04) 45 -day 3.07 3.43 3.99 4.45 5.05 5.50 5.93 6.35 6.88 7.27 (2.63-3.55) (2.93-3.97) (3.40-4.63) (3.77-5.18) (4.13-5.98) (4.41-6.59) (4.61-7.24) (4.75-7.92) (4.96-8.78) (5.13-9.42) 60 -day 3.52 (3.02-4.05) 3.95 (3.39-4.55) 4.63 (3.96-5.35) 5.16 (4.39-5.99) 5.86 (4.81-6.90) 6.38 (5.13-7.59) 6.86 (5.35-8.32) 7.33 (5.50-9.07) 7.90 (5.72-9.99) 8.31 (5.89-10.7) Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS). Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval The probability that precipitation frequency estimates (for a given duration and average recurrence interval) will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values. Please refer to NOAA Atlas 14 document for more information. Back to Top PF graphical 1 of 4 4/9/2014 1:04 PM Precipitation Frequency Data Server Precipitation depth {in) Precipitation depth (in) http: //hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.html?lat=3 9.5165 &1... PDS -based depth -duration -frequency (DDF) curves Latitude: 39.5165°, Longitude: -101.6532° 9 8 7 6 5 4 3 2 1 2 NOAA Atlas 14, Volume 8, Version 2 5 10 25 50 100 200 500 1000 Average recurrence interval (years) Created (GMT). Wed Apr 9 19:04:05 2014 Back to Top Maps & aerials Small scale terrain Average recurrence interval {years} 1 2 5 10 25 50 100 200 500 1000 Duration 5 -min 10 -min 15 -rain 30 -min — 6O -min 2 -hr — 3-r — 6 -hr — 12 -hr 24 -hr 2 -day 3 -day 4 -day 7 -day 10 -day 20 -day 30 -day 45 -clay 60 -day rnrt Cnlllns Gre ..ley Lave and i'',} ', - Rol IIdt r ., ,...�Y Westmins!er ' = l.akewoodooDenver l` Springs :-.•: .. Centenn. ..f — . Ar 1 Qrand r- n icm — Map data ©204093aniglgip III 2 of 4 4/9/2014 1:04 PM Precipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdsc/pfds/pfds printpage.html?lat=39.5165&1... F 0.0 HY+4+ U Large scale terrain 4 ,.Af. c- }, r T . .i . 1. ■* • ti 333 1 ..f , ! -- . li — 1 { ='j'�•+� 2 km is Large scale map 3Y5 Map daadtell0engie P E.: 3. 2 km Large scale aerial Map d9EadViliribaeogle 3 of 4 4/9/2014 1:04 PM Precipitation Frequency Data Server http://hdsc.nws.noaa.gov/hdsc/pfds/pfds printpage.html?lat=39.5165&1... Back to Top US Department of Commerce National Oceanic and Atmospheric Administration National Weather Service Office of Hydrologic Development 1325 East West Highway Silver Spring, MD 20910 Questions?: HDSC.Questions@noaa.gov Disclaimer 4 of 4 4/9/2014 1:04 PM 39° 30' 35" N 39° 30' 15" N 3 F1 273080 •t r Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties 273150 0 0 o— n V 273220 273290 273360 dyt r ;. s,.. 273430 273500 IV M + ,o n M a 0 N n 107° 38' 22"W 273080 273150 273220 Map Scale: 1:2,980 if printed on A portrait (8.5" x 11") sheet. 273290 273360 Meters N 0 40 80 160 240 Feet 0 100 200 400 600 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 USDA Natural Resources Web Soil Survey Conservation Service National Cooperative Soil Survey 273430 273500 39° 30' 35" N rna — a 0 — 0 0 n — a 9 4/10/2014 Page 1 of 4 39° 30' 15" N Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Rating Polygons 0 A 0 ND 0 0 B/D 0 0 C/D 0 0 Not rated or not available Soil Rating Lines • o A • r ND ,. B ,-t B/D r r C �- C/D • r D ✓ k Not rated or not available o C o C/D o D o Not rated or not available Water Features Streams and Canals Transportation t++ Rails r4.0 Interstate Highways US Routes Major Roads Local Roads Background • Aerial Photography The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 7, Dec 23, 2013 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Aug 7, 2011—Sep 3, 2011 Soil Rating Points o A The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background o A/D imagery displayed on these maps. As a result, some minor shifting B of map unit boundaries may be evident. • ▪ B/D USDA Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 4/10/2014 Page 2 of 4 Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties Hydrologic Soil Group Hydrologic Soil Group— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (C0683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 56 Potts loam, 6 to 12 percent slopes C 9.9 29.6% 58 Potts-Ildefonso complex, 12 to 25 percent slopes C 14.1 42.2% 66 Torriorthents- Camborthids-Rock outcrop complex, steep D 9.5 28.3% Totals for Area of Interest 33.5 100.0% Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long -duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink -swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. L.J5DA Natural Resources Web Soil Survey 4/10/2014 Conservation Service National Cooperative Soil Survey Page 3 of 4 Hydrologic Soil Group—Rifle Area, Colorado, Parts of Garfield and Mesa Counties Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher USDA Natural Resources Web Soil Survey 4/10/2014 Conservation Service National Cooperative Soil Survey Page 4 of 4 COLO1J¼D'O RIVER ENGINEEH1NG I NCO ReORATso APPENDIX B Existing Hydrology Calculations P.O. Box 1301 1 Rifle, Colorado 181650 I (970) 625-4933 Page 15 <Subca> Site Area 3 Site Area 1 Reach Link <4S> Site Area 2 Routing Diagram for Drainage Basins Existing Prepared by {enter your company name here}, Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 2 Area Listing (selected nodes) Area CN Description (sq -ft) (subcatchment-numbers) 40,511 86 Pasture/grassland/range, Poor, HSG C (3S, 4S, 5S) 40,511 86 TOTAL AREA Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 3 Soil Listing (selected nodes) Area Soil Subcatchment (sq -ft) Group Numbers 0 HSG A 0 HSG B 40,511 HSG C 3S, 4S, 5S 0 HSG D 0 Other 40,511 TOTAL AREA Drainage Basins Existing Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 4 Ground Covers (selected nodes) HSG -A HSG -B HSG -C HSG -D Other Total Ground (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) Cover 0 0 0 40,511 0 0 40,511 Pasture/grassland /range, Poor 0 40,511 0 0 40,511 TOTAL AREA Drainage Basins Existing Type 11 24 -hr 0.5"Storm Rainfall=0.50" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 5 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 19 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 13 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.01" Tc=5.0 min CN=86 Runoff=0.00 cfs 11 cf Total Runoff Area = 40,511 sf Runoff Volume = 43 cf Average Runoff Depth = 0.01" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type 11 24 -hr 2 Year Rainfall=1.04" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 9 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.15 cfs 287 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.10 cfs 202 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.19" Tc=5.0 min CN=86 Runoff=0.08 cfs 160 cf Total Runoff Area = 40,511 sf Runoff Volume = 649 cf Average Runoff Depth = 0.19" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type 11 24 -hr 25 Year Rainfall=1.75" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 13 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.49 cfs 902 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.35 cfs 636 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.60" Tc=5.0 min CN=86 Runoff=0.27 cfs 502 cf Total Runoff Area = 40,511 sf Runoff Volume = 2,041 cf Average Runoff Depth = 0.60" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Existing Type 11 24 -hr 100 YearRainfall=2.21" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 17 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.75 cfs 1,383 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.53 cfs 976 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.93" Tc=5.0 min CN=86 Runoff=0.42 cfs 771 cf Total Runoff Area = 40,511 sf Runoff Volume = 3,130 cf Average Runoff Depth = 0.93" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf COLO1J¼D'O RIVER ENGINEEH1NG I NCO ReORATso APPENDIX C Developed Hydrology Calculations P.O. Box 1301 1 Rifle, Colorado 181650 I (970) 625-4933 Page 16 <Subca> Site Area 3 Site Area 1 Reach Link <4S> Site Area 2 Routing Diagram for Drainage Basins Devleoped Prepared by {enter your company name here}, Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 2 Area Listing (selected nodes) Area CN Description (sq -ft) (subcatchment-numbers) 40,511 87 Dirt roads, HSG C (3S, 4S, 5S) 40,511 87 TOTAL AREA Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 3 Soil Listing (selected nodes) Area Soil Subcatchment (sq -ft) Group Numbers 0 HSG A 0 HSG B 40,511 HSG C 3S, 4S, 5S 0 HSG D 0 Other 40,511 TOTAL AREA Drainage Basins Devleoped Prepared by {enter your company name here} HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Printed 4/16/2014 Page 4 Ground Covers (selected nodes) HSG -A HSG -B HSG -C HSG -D Other Total Ground Subcatchment (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) (sq -ft) Cover Numbers 0 0 40,511 0 0 40,511 Dirt roads 3S 0 0 40,511 0 0 40,511 TOTAL AREA 4S 5S Drainage Basins Devleoped Type 11 24 -hr 0.5"Storm Rainfall=0.50" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 5 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 28 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 20 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.02" Tc=5.0 min CN=87 Runoff=0.00 cfs 16 cf Total Runoff Area = 40,511 sf Runoff Volume = 63 cf Average Runoff Depth = 0.02" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type 11 24 -hr 2 Year Rainfall=1.04" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 9 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.17 cfs 326 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.12 cfs 230 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.22" Tc=5.0 min CN=87 Runoff=0.10 cfs 181 cf Total Runoff Area = 40,511 sf Runoff Volume = 737 cf Average Runoff Depth = 0.22" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type 11 24 -hr 25 Year Rainfall=1.75" Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 13 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.53 cfs 973 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.37 cfs 687 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.65" Tc=5.0 min CN=87 Runoff=0.29 cfs 542 cf Total Runoff Area = 40,511 sf Runoff Volume = 2,202 cf Average Runoff Depth = 0.65" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf Drainage Basins Devleoped Type 11 24 -hr 100 Year Rainfall=2.21 " Prepared by {enter your company name here} Printed 4/16/2014 HydroCAD® 10.00 s/n 03982 © 2012 HydroCAD Software Solutions LLC Page 17 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR -20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment3S: Site Area 1 Subcatchment4S: Site Area 2 Subcatchment5S: Site Area 3 Runoff Area=0.411 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.79 cfs 1,472 cf Runoff Area=0.290 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.56 cfs 1,038 cf Runoff Area=0.229 ac 0.00% Impervious Runoff Depth>0.99" Tc=5.0 min CN=87 Runoff=0.44 cfs 820 cf Total Runoff Area = 40,511 sf Runoff Volume = 3,330 cf Average Runoff Depth = 0.99" 100.00% Pervious = 40,511 sf 0.00% Impervious = 0 sf COLO1J¼D'O RIVER ENGINEEH1NG I NCO ReORATso APPENDIX D Slope Drain Capacity P.O. Box 1301 1 Rifle, Colorado 181650 I (970) 625-4933 Page 17 Rock Lined Slope Drain Worksheet for Trapezoidal Channel Project Description Project File Worksheet Flow Element Method Solve For untitled.fm2 Rock Lined Slope Drain Trapezoidal Channel Manning's Formula Discharge Input Data Mannings Coefficient Channel Slope Depth Left Side Slope Right Side Slope Bottom Width 0.035 0.100000 ft/ft 1.00 ft 2.000000 H : V 2.000000 H : V 2.00 ft Results Discharge Flow Area Wetted Perimeter Top Width Critical Depth Critical Slope Velocity Velocity Head Specific Energy Froude Number Flow is supercritical. 38.96 cfs 4.00 ft2 6.47 ft 6.00 ft 1.46 ft 0.020567 ft/ft 9.74 ft/s 1.47 ft 2.47 ft 2.10 04/15/14 03:19:14 PM FlowMaster v5.15 Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203) 755-1666 Page 1 of 1 z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard grading -erosion control plan.dwg 4/17/2014 10:42 AM NOTES: 1.) CONTOURS SHOWN ARE EXISTING AND AT 2' INTERVALS 2.) STORM IMPROVEMENTS SHOWN ARE PROPOSED 3.) EXISTING BARN IS NOT TO BE USED FOR STORAGE •\ '..,...NN-.....___..." _ ""'',..!..-/,---...":_/2 - __ ---_ \- .... : - _- _=__�`�-...._-____-_-_-_-_-_--2.----------------;-.::::::;\\ --- ---- -__ -\ — \ — _ ' ..... ��^\ I _—�' ..... \----_— __ / J \\ f _// / /' / / / / -/ _ — / / —_—" _/ \------- \ /-�.-- i— / / —i/ / / / / / - ``� \ ` ----„,"*:,•"'"....-----•••• -. / _ \ \ /'' i----- r` - / r — = - / i / / / / _ - � --_� - - __ r -` / - - ____/ - � , i / --_- / \- .i - > . -„../ / /-17-::::::_',---/ - � /' /' / / / / ---- ---_\— --- _--__ -- --� —/ % i' /!—_ —i �� --_-'/ // /i'—/' '/' -�—__---_—�-- �_.� / // / // // // // / // .� _: / — -`\ •,N,..--- _�-.. _ II1 I'_J./ie....". '/_J/ _/� ./ // ---'' // /' �� _ -----/ ,__/—_,_:_____. ,/_ / /' // // /' / /' /_ / / • • • • • • • • • / • - / / / e-•--' ///// /•-�• / / /// //// //--'---- — J /�'''--_---_-_'/ / J --// /// '/ /'/ / / /'/ // /' /// • • • / — / 7 / / /'---__/' /- / / / / / -�/ / / __-_/ // .�'--- / -- --- // -- / 7 -/ /-' �// // / , - - • • • -- • • / • • • / 7 - - - / 7 ci- '// J /'// ---'�- / / / //� --- ---- .� / / - -' / ./ /'� /// /'� / ; �' / F�6CK SOCK I • • • • • / • • • • • • • • 7 - 7 7 7 7 • • • -' -'•/ 7 - -/ / / Tr -�' ---- i / /- -/ -// -// 7 / / \\•/ • • SE�]1M NT TfjA9' -/ / / \-- ./ / / /�r' T I /(•\ \\ / / / / / // '� 1 ---' C ./ / i EXISTING GRAVEL -k----- V-DI\T-CH-• \\\ /// 1I :,1 \\ / / 1 / . 4.8% - �I\� SLOPEpRAIN//1\\\�__ *---- �\\\ 10AD \ \--- _-,_ -- -� / / • • • • • • • I \ — — — / i i 2.7% I COMPACTED B\RM `. ---- �`\ _•\\\\•\\`.•\\• \\\ \ -----_ .-- -/ I NI II • • • • • • • / • N. • • i 1 1 1•1 EXISTING • \ • y_'- _-- \\•- 2_2___ ``\\-___-- -- ___--' __ -_--_r• • • • • • • • • • • • • IRANC ROAD\/I LAYDOWN `\ \\ -�`--------- ---- - \ YARD PAD \`�/`\\�`\-`\\\----------- /------_-'--\ ---I-\\ I (GRAVEL) ``\ — — — _ ----.\ ____---- ------'- --- \ / • • • • • • • �EDII4NTTRAP \ \ \ \ /• • - • • . --_-- • Vi/ / / /— _ \ CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY GRADING & EROSION CONTROL PLAN / / / - -J - � � I /—^'- // -- ��, / / \ 1 •-\ -• - \ \\ \ 1 I `\ \ `. - \ 1 / I \I \\ \\ `- �\ -`� \\\• 1 II I j \\ \\ \• ``•�••• N. • • • `-\ \ \ \ \ \ 1 I , ; I •\ -\ \ \ \ \\\ \ \ \ I \ • \\ `\ •`\ �\ \� \\\\�`� `\ \\\ \ `\ \\SN.\�\•\\ %\\`:.\`: .`.\�\. \\. • • \ • /. / / / / / ,S`ERMENT,TR,Q - / / / / // --/ 11 I/ / / /� //// / / / /—I/OH/ / J --• ///// / / - _____11//////// — • • • •\' \` \• • / / \ 1 I / I 1 I 1 1 1 1 1 1 1 1 1 • \ \ 1 • N • ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. DATE: SCALE: 4/17/14 1" = 60' DATE: 6/ 14/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE GRADING & EROSION CONTROL PLAN z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard erosion control plan.dwg 4/17/2014 10:10 AM SEDIMENT TRAP - SLOPE DRAIN SLOPE DRAIN V -DITCH COMPACTED BERM CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY EROSION CONTROL PLAN WATTLES 1I 1, ' ROCK SOCK ' I I _ - I 1 V -DITCH J I SEDIMENT TRAP V -DITCH SLOPE DRAIN SEDIMENT TRAP NOTE: EXISTING BARN IS NOT TO BE USED FOR STORAGE I , I / / / / / / / / / / / / / / / / / / ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. DATE: 4/ 17/ 14 SCALE: 1"=60' DATE: 6/ 13/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE EROSION CONTROL PLAN map.dwg 6/5/2013 8:36 AM z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard hydr CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY HYDROLOGIC MAP 100 YR FLOODPLAIN (GARCO GIS) DRY HOLLOW ROAD COUNTY ROAD 331 DIVIDE CREEK ROAD /( COUNTY ROAD 311 UN -NAMED - DRAINAGES v, f i i -• ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: DATE: SHEET: PROJECT: DFT: 1"=5000' 6/4/ 13 1 OF 1 EPPERLY TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE HYDROLOGIC MAP z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard floodplain map.dwg 6/6/2013 2:27 PM CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY FLOODPLAIN MAP Flood Plain, Garfield County, Colorado 46 Garfield County ....^rF, eI•na.. • FLOOD PLMN PROFILE SOURCE: 1) s.II �5 ri' Mwootn N9 Awry. Flpad ImI.InCS RMs MIP$ IFIRMI. (rolm0 mnumry 7,IJdmy Gore or Enpreers Colot eo lwr FIOW Poets 9aea. (Xw<nda amowsom Mm ISCNatdc W. Cs...r..lkm Rmt4 lwiisid Jury 17911. EASE *AP SOURCE 1] U.S.O.S. 7 5' 1'3).000 q„m,.gy nqp, end 1.JSGS 100.000 coogy s...s C.iaade D.e.rimor. e! hancpaallvl CI E d!. 0977. G.riski Cauny Now* &kb. D.P.ar.yyl GPS Ow 120037 -h• t^ea aon•.xe W• lyysac..i1•:..gr+. ..... ,..5d..��._,� iNrm,.r..a (7251 n.. c5 001, .. e...mb n .. a .&Mi .ndobmnq Ike WG npd••aaweraI o1od r,.- - 1 r mx�.,rg No...1 i. i..., arl.,a Pander, CF., in. k04.... • • 1.o. •I 0...n.. of Id, :. 424$ 4 I. inn...on .1 .x ,r• 1-1 • nfod to .e,. rq..,vkr !.rel. rd. beti,monn ' m..emm ullxee n now. MM. I .rn....n...u..,..ay.w.w wx..u.,.d. .e *101.. r .... . r. . G.e.l0Canry,N!< nenwn$ IC u rho .e[v Yu suudv, .e ....... WyneWW1. m., lca,mt l.kmo rslxns.n4Y L.4 oer no •• w nrrowwa. n7.1w vcrsw4Ka..,.anc I't*'0•v. ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: N.T.S. DATE: 6/ 4/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE FLOODPLAIN MAP z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard slope hazard map.dwg 6/4/2013 2:40 PM CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY SLOPE HAZARD MAP Slope Hazard Study Areas 1,2,&3, Garfield County, Colorado SLOPE HAZARD SOURCE: 1) "Gaol ogic Hazards Identi float ion Sludyr, LMoo lr-0evo re Testing LaboraIory,prepared under the supervision orthe Colorado Geologic Survey (1975-74 Garfield County GeoAcJvhk !aroma ba S., rvw g-1plurtmepaer122slopeher Rev:wion 4: 2-6-02 Legend Slope Hazard MAJOR MI MODERATE =■1=1111 Extent of Geologic Study DISCLAIMER: This map was produced by Garfield County Geographic Informaaon Seances utili- zing mo fuanfo UoographIc Information Sysrom p5). TN GIS and its compononts aro do:igned as a source of reference for an vworing gl pries. modeling. and planning. The CIS o not a suhshtuN for officio) govommont records meinlei nod by rhe Pia -ming Oopartrnont, fho County perk and Re[drdOst Offi o. GO ASSeSSOr s Ofh co, or for any lapel dascnption information in the chitin of title. In adAtim. the represenraticn of geo• graphic locations by the GIS may nct be subsirtuhod for actual logal surveys. Always fig ert0 the SPOOK and fOr She MON Cumenl INN dGCum@nfblion ubli2Od in the COM.. positcm of tills map. The in10n11 8611 contained herein H believed r6 ba accuate and Su(ebIi forte lirni• Htl uSeS Sia 101tl1 abooi Gaifetd County makes n0 warranty as Io tl1B aOCuracy nr suitalolity of any Al fc(m0lorl canrarrneo heroin for any other purposes. The user shall assume all rl5k 8r10 reSPOrrSrblhty Pr any and all damages, rrlduding consequential damages. which may propagate from the user's application of this information. ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: DATE: SHEET: PROJECT: DFT: N.T. S. 6/4/13 1 OF 1 EPPERLY TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE SLOPE HAZARD MAP General Soil Types: 1 ARVADA-TO RRI F LUVE NTS -H ELDT Deep, well drained to somewhat poorly drained, nearly level to gently sloping soils on benches, terraces, alluvial fans and flood plains. BROWNSTO-SHOWALTER-TRIDELL Strongly sloping to very steep, well drained to somewhat excessively drained, deep soils on fans, terraces and mountainsides. BUCKLON-INCHAU-COCHETOPA Shallow to deep, well drained, moderately sloping to steep soils on mountains and alluvial fans. DATA NOT AVAILABLE EARS MAN -C U S H OOL-RENTSAC Moderately steep to very steep, well drained to somewhat excessively drained, shallow to moderately deep soils on mountainsides, ridges, hills, and mesa side slopes. JERRY-LAMPH IER-COCH ETOPA Deep, well drained, moderately sloping to steep soils on mountains and fans. JERRY-URACCA-MERGEL Gently sloping to very steep, well drained, deep soils on alluvial fans, terraces, valley sides, and hills. LAZEAR-C U SH MAN-ASCALON Shallow to deep, well drained, moderately sloping to very steep soils on mountains, mesa breaks, and alluvial fans. LEAVITTVILLE-ANVIK-ANSEL Gently sloping to very steep, well drained, deep soils on mesas, alluvial fans, and mountainsides. MORVAL-VILLA GROVE Deep, well drained, moderately sloping to moderately steep soils on mesas, mountainsides and alluvial fans. PARACHUTE-RHONE-IRIGUL Deep to shallow, well drained, moderately sloping to steep soils on mountains and ridges. POTTS-I LD E FON SO-VAL E Deep, well drained, gently sloping to steep soils on mesas, alluvial fans, terraces and benches. ROCK OUTCROP-TORRIORTHENTS Rock outcrop and moderately deep to shallow, well drained, very steep and extremely steep soils on escarpments and mountains. TORRIORTHENTS-ROCK OUTCROP CAMBORTHIDS Dominantly shallow to deep, well drained, steep to extremely steep soils, and rock outcrop on mountains, fans, and ridges. VANDAMORE-COULTERG Moderately steep to very steep, well drained, deep soils on mountainsides and fans. 232 20,› RIO BLANCA CO Generalized Soil Types, Garfield County, Colorado 4 2.5 5 7.5 1 inch equals 4.1 miles Garfield County Geographic LIForna tion Service. g:lplanlmapsetl lOsor'1 Revision 5: 1-31--02 10 iles New Castle 0) CN SOIL TYPES SOURCE: 1) General Soils Maps, USDA Soil Conservation Service, 1:250,000, (1979, 1984). BASE MAP SOURCE: 1) USGS 1:24,000 7.5' quadrangle maps and 1:50,000 county series. 2) Colorado Department of Transportation GIS data (1992). 3) Garfield County Road & Bridge Department data (1999). DISCLAIMER: This map was produced by Garfield County Geographic Information Services utili- zing the Arclnfo Geographic Information System (GIS). The GIS and its components are designed as a source of reference for answering queries, modeling, and planning. The GIS is not a substitute for official government records maintained by the Planning Department, the County Clerk and Recorders Office, the Assessor's Office, or for any legal description information in the chain of title. In addition, the representation of geo- graphic locations by the GIS may not be substituted for actual legal surveys. Always refer to the sources cited for the most current legal documentation utilized in the corn - position of this map. The information contained herein is believed to be accurate and suitable for the limi- ted uses set forth above. Garfield County makes no warranty as to the accuracy or suitablity of any information contained herein for any other purposes. The user shall assume al] risk and responsibility for any and all damages, including consequential damages, which may propagate from the user's application of this information. JO d 6 0 Glenwbod Springs ,rte 5 740 •p •e 0 115 22 arbondale ._r___._.__-._-_ _. .--a_-a_-_. ._—_.— 53 PITKIN CO CO aMmemwmammmiwammumwmammmoom MAP 10 FIELD -WIDE STORMWATER MANAGEMENT PLAN FOR CONSTRUCTION ACTIVITIES MAMM CREEK FIELD PICEANCE DRILLING PROGRAM COLORADO September 2013 Prepared for: BILL BARRETT CORPORATION 112 Red Feather Trail Silt, Colorado 81652 Prepared by: LT ENVIRONMENTAL, INC. 820 Megan Ave, Unit B Rifle, Colorado 81650 (970) 285-9985 (Lft7 TABLE OF CONTENTS 1.0 CERTIFICATION ERROR! BOOKMARK NOT DEFINED. 2.0 INTRODUCTION 4 3.0 SWMP ADMINISTRATOR 4 4.0 SITE DESCRIPTION 5 4.1 Nature of Construction Activity 5 4.2 Sequence of Major Activities 5 4.3 Area of Disturbance 5 4.4 Soil Description 5 4.5 Vegetation Description 6 4.6 Non-Stormwater Discharges 6 4.7 Receiving Waters 6 4.8 Description of Potential Pollution Sources 6 4.8.1 Disturbed and Stored Soil 7 4.8.2 Vehicle tracking of Sediments 7 4.8.3 Management of Contaminated Soil 7 4.8.4 Loading and Unloading Operations 7 4.8.5 Outdoor Storage Activities 8 4.8.6 Vehicle and Equipment Maintenance and Fueling 8 4.8.7 Dust or Particulate Generating Processes or Activities 8 4.8.8 Routine Maintenance Activities 8 4.8.9 On -Site Waste Management 8 4.8.10 Concrete Truck/Equipment Washing 9 4.8.11 Dedicated Asphalt and Concrete Batch Plants 9 4.8.12 Non -Industrial Waste Sources 9 4.8.13 Significant Spills or Leaks 9 5.0 SITE MAPS 9 5.1 Topographic Map 9 5.2 Site -Specific Maps 9 6.0 BEST MANAGEMENT PRACTICES 10 6.1 Sediment and Erosion Control 10 6.1.1 Erosion Reduction and Control 10 6.1.2 Sediment Reduction and Control 11 6.1.3 Structural Practices 11 6.1.4 Non -Structural Practices 12 6.2 Phased BMP Implementation 12 6.2.1 Site Formation 12 6.2.2 Well and Gathering Line Installation 12 6.2.3 Production Pad and Gathering Line Reclamation 13 6.2.4 Access Road Development 13 6.2.5 Production BMP Phasing 13 6.3 Material Handling and Spill Prevention 14 6.4 Dedicated Concrete or Asphalt Batch Plants 14 6.5 Vehicle Tracking Control 14 6.6 Waste Management and Disposal, and Concrete Washout 14 6.6.1 Non -Industrial Waste 14 i 6.6.2 Preventative Maintenance Waste 15 6.6.3 Exploration and Production Waste 15 6.6.4 Non -Routine Waste Generation 15 6.6.5 Concrete Washout Waste 15 6.7 Groundwater and Stormwater Dewatering 15 6.8 Stormwater Practices and Landowners 15 7.0 FINAL STABILIZATION AND LONG-TERM STORMWATER MANAGEMENT 16 7.1 Reclamation 16 7.2 Final Stabilization 16 7.3 Long -Term Stormwater Management 17 8.0 INSPECTION AND MAINTENANCE PROCEDURES 17 8.1 Inspections 17 8.1.1 Active Stage/14-day Inspection 18 8.1.2 Completed Stage/Monthly Inspection 18 8.1.3 Final Stabilization Stage 18 8.1.4 Winter Conditions Exclusion 18 8.1.5 Precipitation Event Inspections 19 8.1.6 Inspection Documentation 19 8.1.7 Inspection Reporting, Database System and Communication Procedures 20 8.2 Maintenance Procedures 20 8.3 Preventive Maintenance 20 8.3.1 Good Housekeeping 20 8.3.2 Significant Material Storage 21 8.3.3 Waste Removal 21 9.0 EMPLOYEE TRAINING 21 10.0 RECORDKEEPING 22 11.0 SWMP REVIEW/CHANGES 22 FIGURES FIGURE 1 STORMWATER PERMIT AREA ii 4if) TABLE 1 TABLE 2 TABLE 3 APPENDIX A APPENDIX B APPENDIX C APPENDIX D TABLE OF CONTENTS (Continued) TABLES CHEMICAL PRODUCT LIST BMP DECISION TREE PART 1 THROUGH PART 6 STRUCTURAL AND NON-STRUCTURAL BMP CLASSIFICATION APPENDICES LEGAL DOCUMENTS AND GENERAL PERMIT SITE SPECIFIC DATA AND MAPS BMP MANUAL SEED MIXES iii 4if) 2.0 INTRODUCTION On June 30, 2005, the State of Colorado stormwater regulation went into effect requiring Colorado Discharge Permit System (CDPS) permits from the Colorado Department of Public Health and Environment (CDPHE) Water Quality Control Division (WQCD) for stormwater discharges associated with construction activities at oil and gas sites disturbing between one and five acres. This Field -Wide Stormwater Management Plan (SWMP) for Construction Activities was prepared for Bill Barrett Corporation (BBC) to be used for the Piceance drilling program in the Mamm Creek Field in accordance with good engineering, hydrologic, and pollution control practices to ensure that Best Management Practices (BMPs) are selected, installed, implemented, and maintained to protect surface water. This SWMP contains required elements as defined in the CDPS General Permit for Stormwater Discharges Associated with Construction Activity (Permit No. COR -030000, re -issued and effective July 1, 2007). BBC applied for coverage under the stormwater general permit and was issued Certification Number COR -039752 for the Mamm Creek Field on October 8, 2002. This application and permit number were renewed at the re -issuance of the general permit on July 1, 2007, and expires on June 30, 2012. Copies of the permit documents for this project are included as Appendix A. 3.0 SWMP ADMINISTRATOR The Area Superintendent for BBC is the SWMP Administrator and is responsible for the implementation and revision of the SWMP. The Area Superintendent has the authority to dedicate the financial and human resources to implement the SWMP. The Area Superintendent with this responsibility is: Mr. Jesse Merry — Area Superintendent Office: (970) 876-1959 The Area Superintendent ensures the SWMP is followed and delegates responsibility for the SWMP and its components to designated personnel. The Area Superintendent manages the SWMP team. The SWMP team includes members of the BBC office in Silt, Colorado, such as the Production Foreman, Environmental, Health, and Safety Coordinator, Construction Foreman, and Area Superintendent. The SWMP team is responsible for: • Implementing spill/upset clean-up procedures; • Notification to local authorities and local residents of reportable releases; • Coordinating various stages of BMP implementation; • Conducting inspections; • Documenting and maintaining all records; and 4(3° • Coordination of a preventive maintenance program and housekeeping measures. 4.0 SITE DESCRIPTION Below is a general site description for all sites within the BBC operating area in the Mamm Creek Field. Site specifics can be found on visio site maps that created for each site covered by this SWMP. Site maps are kept in Appendix B. 4.1 Nature of Construction Activity BBC currently owns or leases oil and natural gas mineral rights in the Mamm Creek Field in the Piceance Basin in western Colorado. The area includes Garfield County and lies within Townships 6 South to 7 South and Ranges 91 West to 92 West. Sites within the permitted area range from 3/4 acre to seven acres in size. This SWMP covers production pad, access road, and linear construction activities. A map of the project area is provided as Figure 1. 4.2 Sequence of Major Activities The overall development of oil and natural gas pad sites is generally accomplished in three distinct work phases: development, production, and final reclamation. The sequence of events for each phase is briefly discussed below. The development phase includes the following sequence of activities: pad construction, well drilling, well completion, gathering line installation with associated infrastructure, road building, and well pad interim reclamation. The production phase includes the operation and maintenance activities during natural gas production. The typical equipment on a pad site during the production phase consists of a wellhead, a separation unit, one or more aboveground storage tanks (ASTS) (300-625 bbl) for condensate (if needed), and a vessel for storing produced water. Oil and natural gas wells in the field are projected to produce for approximately 20 to 30 years. During the final reclamation phase all production equipment (well heads, ASTs, separators, etc.) is removed from the site. Once equipment is removed all areas of the site, including the road servicing the site, are reclaimed and blended/contoured back into the natural landscape and seeded. 4.3 Area of Disturbance The specific area of disturbance at each individual site ranges approximately from 3/4 acres to seven acres in size. 4.4 Soil Description Soil in the Mamm Creek Field is a sandy clay mixture. Examples of specific soil units include the Potts loam, Olney loam, Villa Grove-Zoltay loams, and Heldt Clay loam. 5 4if) 4.5 Vegetation Description Oil and natural gas facilities in the field are surrounded by tall grass, short grass, prairie land, low shrubs, aspen, scrub oak, evergreen, riparian, pinyon/juniper stands, and rangeland vegetation. Existing vegetation density surrounding these areas can vary from zero to approximately 70%. 4.6 Non-Stormwater Discharges Non-stormwater discharges which are allowed under the stormwater permit include discharges from emergency fire -fighting activities or a fire hydrant, landscape irrigation or return flow, and uncontaminated springs. BBC anticipates non-stormwater discharges from landscape irrigation or return flow and uncontaminated springs. Locations of these non-stormwater discharges are detailed on site-specific maps which are located in Appendix B. 4.7 Receiving Waters Receiving water bodies within the permitted area include small lakes and ponds and various named and unnamed tributaries to Mamm Creek, Dry Hollow Creek, and Divide Creek. The nearest water body for each site is on each site-specific map located in Appendix B. If a wetland is designated to be within a construction area, permits from the Army Corp of Engineers will be obtained. 4.8 Description of Potential Pollution Sources The permit lists several sources and activities as potential pollutant sources. An assessment of these potential sources of stormwater runoff pollutants in the Mamm Creek Field is provided in a general discussion below. Site-specific potential pollution sources will be detailed on site- specific maps located in Appendix B. The following activities and pollutant sources were evaluated: • All disturbed and stored soil; • Vehicle tracking of sediments; • Management of contaminated soil; • Loading and unloading operations; • Outdoor storage activities; • Vehicle and equipment maintenance and fueling; • Significant dust or particulate generating processes; • Routine maintenance activities; • On-site waste management; 6 4if) • Concrete truck/equipment washing; • Dedicated asphalt and concrete batch plants; • Non -industrial waste sources; and • Significant spills or leaks of toxic or hazardous substances. 4.8.1 Disturbed and Stored Soil Disturbed soil and excavated materials are stored on site and could have the potential to contribute pollutants to stormwater discharges. Topsoil is stockpiled in one location and other soil is stockpiled in a separate location. BMPs such as wattles and diversion ditches are installed in order to prevent sediment releases from these stored soil piles. Excavation in especially sensitive areas is conducted according to special techniques as specified by the landowner/agency representative. Materials excavated are utilized as backfill when practical. An exception may be excess rock generated by rock blasting excavation activities. Excess rock may be pushed into rock filter dikes, used in energy dissipation zones below culverts, constructed into rock check dams, or distributed over a portion of the project area. 4.8.2 Vehicle tracking of Sediments Vehicle tracking of sediments could have the potential to contribute pollutants to stormwater discharges. Refer to Section 6.5 for BMPs employed to reduce off-site tracking. 4.8.3 Management of Contaminated Soil Contaminated soils could have the potential to contribute pollutants to stormwater discharges. If contaminated soil is excavated at a BBC site, additional BMPs are employed to ensure containment. Refer to Section 6.3 for additional information regarding management of contaminated soil, material handling, and spill prevention. 4.8.4 Loading and Unloading Operations Loading and unloading operations could have the potential to contribute pollutants to stormwater discharges. The majority of loading and unloading activities occur during well drilling and well completion activities. Raw materials for well drilling and completion activities are transported or unloaded directly into the well from trucks, on-site tanks, and/or the reserve pit. Some dry drilling mud components are contained in paper bags and are stacked on pallets, which are unloaded using a forklift or by hand. Loading of condensate and produced water occurs directly from the respective storage tank to the proper transportation vehicle. Other activities include unloading of drill pipe, completion pipe (casing), and natural gas line pipe, which are not potential pollution sources. In the event of a spill, the SWMP material handling and spill prevention procedures will be followed (Section 6.3). A list of chemical products typically used at a BBC construction site is included as Table 1. 7 4J -t-7 4.8.5 Outdoor Storage Activities Outdoor storage activities could have the potential to contribute pollutants to stormwater discharges. The activities associated with this pollution source are storage of material at staging areas and potential for spills and leaks from these materials. BMP's selected to control this source are installation and use of material storage at staging areas, materials management practices, personnel training, secondary containment, application of cover, providing spill kits, and following the SWMP material handling and spill prevention procedures (Sections 6.3). A list of chemical products typically used at a BBC construction site is included as Table 1. 4.8.6 Vehicle and Equipment Maintenance and Fueling Various types of equipment are staged throughout the field including road maintenance equipment, completion and re -completion rigs, drilling rigs, personal vehicles, fueling and other fluid terminals, generators, etc. and could have the potential to contribute pollutants to stormwater discharges. Any equipment found to have dripping parts is maintained immediately. All storage containers are checked for leaks and drips. Major spills of fuel or other liquids will be remediated immediately and stored properly. Secondary containment is used where practical. In the event of a spill, the SWMP material handling and spill prevention procedures will be followed (Section 6.3). 4.8.7 Dust or Particulate Generating Processes or Activities Dust and/or particulates generated at BBC construction sites may produce fugitive emissions which could have the potential to contribute pollutants to stormwater discharges. Dust and particulate generation is at its highest during dry and hot times of the year. If dust from vehicle traffic on roads or other sites becomes significant, dust suppression procedures are implemented including road watering or the application of dust suppressants. 4.8.8 Routine Maintenance Activities Many lubricants, solvents, fuels, paints, oils, and other chemicals are used routinely on BBC sites to maintain and operate equipment and could have the potential to contribute pollutants to stormwater discharges. BMP's selected to control this source are installation and use of material storage at staging areas, materials management practices, personnel training, providing spill kits, and following the SWMP material handling and spill prevention procedures (Sections 6.3). A list of chemical products typically used at a BBC construction site is included as Table 1. Noxious weed herbicides are applied annually in some areas to control noxious weeds. Herbicide application is always conducted by certified and trained individuals and with consideration for runoff potential to nearby surface waters. 4.8.9 On -Site Waste Management On-site waste management activities could have the potential to contribute pollutants to stormwater discharges. Refer to Section 6.6 for a discussion on BMPs employed to reduce the potential for on-site waste to contribute pollutants to stormwater discharges. 8 4if) 4.8.10 Concrete Truck/Equipment Washing Concrete truck/equipment washing could have the potential to contribute pollutants to stormwater discharges but is not typically conducted within the BBC Mamm Creek Field. If concrete truck/equipment washing occurs, appropriate BMPs will be employed to prevent pollutants from entering stormwater discharge, such as a concrete washout. 4.8.11 Dedicated Asphalt and Concrete Batch Plants Dedicated concrete or asphalt batch plants are not located within the BBC Mamm Creek Field and therefore do not have the potential to contribute pollutants to stormwater discharges. 4.8.12 Non -Industrial Waste Sources Non -industrial waste sources could have the potential to contribute pollutants to stormwater discharges. Refer to Section 6.6 for a discussion on BMPs employed to reduce the potential for on-site waste to contribute pollutants to stormwater discharges. 4.8.13 Significant Spills or Leaks Significant spills or leaks could have the potential to contribute pollutants to stormwater discharges. In the event of any significant spills or leaks, the SWMP team is contacted immediately for further direction. Refer to Section 6.3 for additional information regarding management of contaminated soil, material handling, and spill prevention. 5.0 SITE MAPS There are two different types of maps being utilized in this SWMP. There is a topographic map and there are site-specific maps. Details of each are below. 5.1 Topographic Map A topographic site map of the BBC Mamm Creek Field of operation is depicted on Figure 1. 5.2 Site -Specific Maps Each site being inspected under this permit will have a site-specific map. The Microsoft Office Visio 2007 drafting program will be utilized to create and update site-specific maps. The following required site-specific information will be depicted on these maps, when applicable: • Construction site boundaries; • All areas of ground surface disturbances; • Areas of cut and fill; • Areas used for storage of building materials, equipment, soil, or waste; • Locations of dedicated asphalt or concrete batch plants; 9 4if) • Locations of all structural BMPs; • Locations of non-structural BMPs as applicable; and • Locations of springs, streams, wetlands, or other surface waters. 6.0 BEST MANAGEMENT PRACTICES 6.1 Sediment and Erosion Control Sediment and erosion control may be accomplished through a combination of structural and non- structural BMPs. Typical configurations of structural controls discussed below are provided in Appendix C. BMP selection is guided by the decision tree listed in Table 2, Part 1 through Part 6. BMPs to be utilized in the Mamm Creek Field are listed in Table 3. Structural and non- structural BMPs are discussed in the following sections and are summarized in Table 3. 6.1.1 Erosion Reduction and Control Construction of BBC sites requires the removal of vegetative cover and topsoil thus increasing peak flood flows, water velocity, and the volume of stormwater runoff An increase in water runoff volume and velocity results in increased erosion. Erosion reduction and control may be accomplished by, but not limited to the following erosion control methods: • Diversion and control of runoff water; • Vegetation planting and maintenance; and • Application and maintenance of mulches. Runoff control procedures used to mitigate and reduce the erosive transport forces of stormwater during and after construction may include, but are not limited to the following: • Check dams; • Berms; • Culverts and associated culvert protection; • Slope drains; • Roadside ditch; • Turf reinforcement mats; • Mulches; • Erosion control blankets. 10 4if) Disturbed areas will be reseeded as soon as practical with appropriate seed and seeding applications. Vegetation will be monitored and assessed for performance. Mulch or erosion control blankets will be applied as needed for erosion protection until vegetation is established. Refer to Table 3 for a list of all BMPs to be used throughout the Mamm Creek Field. Appendix C includes details on BMP installation and maintenance procedures. 6.1.2 Sediment Reduction and Control The reduction and control of sediment contained in stormwater runoff will be accomplished by the use of sediment containment systems. Sediment containment systems are hydraulic controls that allow the deposition of suspended particles by gravity. Sediment controls used to mitigate and control sediments generated from the erosive transport forces of stormwater during and after construction may include, but not limited to the following: • Silt fences; • Straw bale; • Berms; • Sediment traps; • Sediment basins; • Straw wattle logs; and • Stabilized construction entrance. Refer to Table 3 for a list of all BMPs to be used throughout the Mamm Creek Field. Appendix C includes details on BMP installation and maintenance procedures. 6.1.3 Structural Practices The following are examples of structural site management practices expected to reduce, minimize, and control erosion and sediment transport. • Silt fence; • Straw wattles; • Culverts and associated protection; • Rock -lined ditch; and • Sediment traps. 11 4if) Refer to Table 3 for more examples of structural BMPs. Appendix C also includes details on BMP installation and maintenance procedures. Site-specific structural BMPs will be detailed and located on site-specific inspection reports and maps. 6.1.4 Non -Structural Practices Erosion and sediment controls can be implemented via non-structural BMPs. Non-structural BMPs are not built or constructed but are implemented in order to prevent unnecessary disturbance or pollution and to stabilize disturbed areas. They can range from construction sequencing to selecting the correct hydromulch for a selected area. BBC has implemented a wide variety of non-structural practices which can be found in Table 3 of this SWMP. Where applicable, site-specific non-structural BMPs will be detailed and located on site-specific inspection reports and maps. 6.2 Phased BMP Implementation While reading this section, keep in mind all construction is focused around the formation of an oil and natural gas production pad location. Construction sites include natural gas well pads and supporting gathering lines and roads. This SWMP is administered at a construction site from the initial ground disturbance until the site reaches final stabilization (Section 7.2 Final Stabilization). During this time, site conditions are altered many times to reach the final goal of natural gas production. Also during the development of a natural gas site, many varieties of equipment are mobilized and demobilized to and from the site. This leads to an increased potential for pollutants to leave the site. In response to these changing site conditions, BMPs are constantly moved, changed, replaced, up graded, reinforced, reinstalled, and removed. 6.2.1 Site Formation Pre -disturbance BMPs should be in place before any ground disturbing activities are conducted. These BMPs are usually temporary sediment control structures such as silt fences, straw bales, or straw wattles, or BMPs of a more permanent nature such as diversion ditches. As sites are formed, topsoil is separated from other soil. Topsoil is segregated because it is reapplied to the surface during reclamation. Additional BMPs are installed as needed on the downgradient side of the site such as erosion control blankets or wattles. 6.2.2 Well and Gathering Line Installation Once the production pad or gathering line is formed, equipment for drilling, completion, gathering line, and infrastructure operations are mobilized to the site. All fluids imported to the site are covered or placed in secondary containment, when practical. BBC personnel and contractors are educated on Materials Handling and Spill Prevention (Refer to Section 6.3) and waste management and disposal BMPs (Refer to Section 6.6). In order to contain any released fluids or other pollutants on the site, berms and diversion ditches are installed. 12 4if) 6.2.3 Production Pad and Gathering Line Reclamation Once all equipment is demobilized from a production pad or gathering line location, these sites are prepared for final stabilization (Section 7.2 Final Stabilization). Soil removed during site formation is blended into the natural landscape except for areas needed for production operations such as pig launchers, production separators, etc. The segregated topsoil is then spread evenly across the reclaimed areas. Due to the amount of soil moved around the site during reclamation, additional perimeter sediment controls may need to be implemented. Once all topsoil has been distributed across the site, the location is then seeded by drill seeding methods or hand seeding. In steep areas of the site, the seed is covered with either hydraulically applied mulch or erosion control blankets. All temporary perimeter control BMPs (wattles and/or diversion ditch) will remain in place until final stabilization is reached. 6.2.4 Access Road Development The above-mentioned BMP phasing procedures are applicable to all sites in the BBC Mamm Creek Field. In addition to these procedures, additional BMP phasing is followed for roads. Since roads are heavily used during construction activities, they become conduits for potential pollution discharge. Sediment and other potential pollutants concentrate within the flow lines of roads. In order to mitigate this, a slope is defined on the road surface to convey stormwater runoff to a roadside ditch or a flat vegetated area. The road surface is also stabilized with gravel or other stabilization practices. Where necessary, stormwater runoff is conveyed off site via culvert crossings or rock drains. On the upgradient side of culvert crossings and rock drains, sediment controls such as sediment traps and basins are employed. Erosion on the downgradient side will be mitigated by the following outlet side BMPs: outlet protection, low -flow tail water riprap basin, rock -lined ditch, sediment trap, or a channel lined with turf reinforcement matting. Supplemental BMPs such as check dams are placed in roadside ditches and other areas of concentrated flow in order to help reduce erosion and sediment issues. Off-site tracking is mitigated with a well maintained gravel surface and cattle guards. An access road is considered finally stabilized when the road surface is graveled and thick vegetation is present on any slopes or roadside ditches. 6.2.5 Production BMP Phasing BMPs are also implemented for potential pollutants originating from production infrastructure. Production separators, condensate, produced water, and miscellaneous fluid tanks are placed in secondary containments. Production separators are also covered. Additional measures are taken in the form of plastic lining within condensate and produced water secondary containments. Drip containments are placed under gathering line cleaning equipment. The above-mentioned BMP phasing procedures are to be used as a typical guideline for development of natural gas sites. Due to the dynamic nature of oil field operations and geography of the BBC Mamm Creek Field, field -fit BMPs are necessary and will be utilized. Table 3 lists options for BMPs. Installation details can be found in Appendix C. 13 4if) 6.3 Material Handling and Spill Prevention Drilling fluids, completion fluids, fuels, preventative maintenance lubricants/liquids, paints, solvents, produced water, condensate, methanol, etc. are used in the BBC Mamm Creek Field. Where practical, these chemicals are covered and/or placed in secondary containment. Material Safety Data Sheets (MSDS) for materials to be used or that are produced are filed at the BBC office in Silt, Colorado. Refueling and lubrication of vehicles and equipment is conducted a minimum of 100 feet from flowing streams and wetlands. Any spills are promptly remediated and impacted materials are hauled off-site and properly disposed of/recycled or remediated on site. If contaminated soil is remediated on site, it is stored in a lined containment. Quantities of fuel and other chemicals will be limited to "as -needed" for the immediate operations underway. In general, small spills will be handled by BBC personnel. In most cases, an absorbent material is used to pick up the spill. BBC field personnel carry spill response equipment in their vehicles to respond to smaller spills/leaks. A centralized spill response trailer is currently located at the a centrally locted facility within BBC's field of operation. In the situation of a larger spill, the SWMP team is notified and a contractor is called to respond to the spill. For the protection of BBC employees and contractors, all drums, tanks, and other containers are clearly labeled to identify contents. When practical, Material Handling and Spill Prevention BMPs will be detailed on the site-specific maps. 6.4 Dedicated Concrete or Asphalt Batch Plants BBC does not have or subcontract dedicated concrete or asphalt batch plants for its pad, roads, or gathering line sites. 6.5 Vehicle Tracking Control BBC employs BMPs to minimize vehicle tracking such as gravel surfacing and cattle guards. BBC also restricts access to the site. BMPs designed to prevent vehicle tracking will be clearly labeled on each site-specific map. 6.6 Waste Management and Disposal, and Concrete Washout Typical wastes generated at a BBC construction sites include trash, portable facility liquids, maintenance lubricants/liquids, produced water, drill cuttings, flow back wastes, pit liners, and pressed sludge. Concrete waste is typically not generated at BBC sites. BMPs designed to prevent on-site waste from entering surface waters will be clearly labeled on each site-specific map and briefly described below. 6.6.1 Non -Industrial Waste All trash is stored in bear -proof dumpsters designed to prevent the wind from carrying it off site. Dumpsters are routinely emptied by a dedicated contractor to reduce the amount of solid waste stored on site. All trash is removed from the site and disposed of at a properly licensed disposal facility. During stormwater inspections, dumpsters are checked for leaking substances. 14 Ji -t-7 Portable facilities are anchored to prevent them from tipping over. These facilities are also emptied and maintained by a dedicated contractor on a weekly basis. All wastes from portable facilities are disposed of at a properly licensed disposal facility. During stormwater inspections, portable facilities are checked for leaks and presence of anchoring devices. 6.6.2 Preventative Maintenance Waste All routine maintenance lubricants/liquids (used or unused) are kept in marked containers and in secondary containment. Used lubricants/liquids are removed from the site and disposed of at properly licensed disposal facilities. 6.6.3 Exploration and Production Waste Produced water will be conveyed to holding tanks and then removed from the site to the proper disposal facilities. Drill cuttings and flow back wastes will be kept on site within lined containments. Pit liners and pressed sludge will be removed from the site and disposed of at a properly licensed disposal facility. 6.6.4 Non -Routine Waste Generation Unexpected wastes will be handled properly. Decisions will be made regarding unexpected wastes by the BBC Environmental, Health, and Safety Coordinator and Area Superintendant. 6.6.5 Concrete Washout Waste Concrete washout activities do occasionally occur on BBC sites. If washout activities do occur, a properly constructed wash out area will be built under supervision of a BBC representative. 6.7 Groundwater and Stormwater Dewatering When dewatering takes place on BBC sites, equipment such as vacuum trucks will be used for water removal; therefore, no discharges from dewatering activities will occur at BBC construction sites. Water will be demobilized from the site and disposed of at a properly licensed disposal facility. 6.8 Stormwater Practices and Landowners BBC will always go above and beyond to accommodate landowners and at the same time, maintain compliance with the CDPS general permit. If a landowner has concerns with the installation or use of certain BMPs, BBC will discuss other options with the landowner for BMP implementation that are state compliant. If landowners are insistent upon particular practices on their land, or have previous agreements with BBC regarding well pad site installations, BBC will attempt to negotiate the best solution for all parties that maintain stormwater compliance. 15 4if) 7.0 FINAL STABILIZATION AND LONG-TERM STORMWATER MANAGEMENT 7.1 Reclamation Unless otherwise directed by the landowner or a jurisdictional authority, rocks, cut vegetation, and other surface material temporarily stockpiled during construction are redistributed as backfill on the project area and blended into the natural landscape. The segregated topsoil is then spread evenly across the reclaimed areas. Due to the amount of soil moved around the site during reclamation, perimeter sediment controls such as wattles or diversion ditches will need to be implemented if not present already. Once all topsoil has been distributed across the site, the location is then seeded by drill seeding methods or broadcast seeding. All reclaimed areas except areas needed for production will be seeded using seed mixes appropriate to the location (Appendix D). All areas needed for production will be graveled. Appendix D includes three separate seed mixes most commonly used throughout the BBC Mamm Creek Field. Landowners and agencies may also request alternate seed mixes. Seed mixes will be planted in the amount specified in pounds of pure live seed per acre (Appendix D). No primary or secondary noxious weeds will be in the seed mix. Re -vegetation is accomplished as soon as practical following the preparation of a site for final stabilization. Seeding will be done when seasonal or weather conditions are most favorable according to schedules identified by the jurisdictional authority or reclamation contractor. Whenever possible, seeding is timed to take advantage of moisture, such as early spring or late fall. Seed mixes are evenly and uniformly planted over the disturbed area. On terrain where drill seeding is appropriate, seed may be planted using a drill equipped with a depth regulator to ensure proper depth of planting. Drilling will be used where topography and soil conditions allow operation of equipment to meet the seeding requirements of the species being planted while steeper areas are hand seeded. Steeper areas will be assessed in order to determine if additional BMPs are needed to stabilize the soil until vegetation develops. If necessary on steeper areas or areas of concentrated surface flow, turf reinforcement mats and erosion control blankets will be employed to help facilitate vegetative growth. 7.2 Final Stabilization According to the CDPS general permit, "Final stabilization is reached when all ground surface disturbing activities at the site have been completed, and uniform vegetative cover has been established with an individual plant density of at least 70 percent of pre -disturbance levels, or equivalent permanent, physical erosion reduction methods have been employed." A special condition exists for oil and gas sites regarding final stabilization. According to the CDPHE Stormwater Fact Sheet dated July 2007: Areas developed as stabilized unpaved surfaces as needed for operation of the facility after interim reclamation also qualify as "anally stabilized." The term "stabilized unpaved surfaces" includes dirt road surfaces and the portions of the well pad surfaces that cannot be revegetated due to operational necessity, but does not include slopes, 16 Ji -t-7 ditches and other areas where revegetation is necessary. Stabilized unpaved surfaces must be prepared in such a way as to minimize erosion, such as preventing rill erosion on pad surfaces or roads. 7.3 Long -Term Stormwater Management Sites within the Mamm Creek Field which have reached final stabilization are visited by various BBC staff for routine equipment inspections or other production and operations activities. During these routine activities, stormwater issues are observed and communicated to the SWMP team. Permanent BMPs such as culverts and associated BMPs along road sites are maintained during routine road maintenance. Stormwater issues are not expected on sites which have reached final stabilization. 8.0 INSPECTION AND MAINTENANCE PROCEDURES 8.1 Inspections Inspections will be conducted to document the status of erosion and sediment control structures, re -vegetation efforts, and non-compliance conditions such as uncontrolled releases of sediment or other potential pollutants. Routine inspections are conducted during all phases of construction activity and after a precipitation -related event. A standardized inspection report will be utilized during all inspections and includes a signature line for the inspector to ensure compliance with the regulations. Required actions or modifications, as documented on the area -specific inspection report, will be addressed as soon as possible to minimize the discharge of pollutants. Personnel responsible for inspections will be trained to evaluate stormwater management concerns, erosion and sediment control structures, and to evaluate construction sites. During inspections, the following portions of the site are observed for sediment and erosion issues: • Outfall areas and discharge points; • Disturbed areas; • Existing BMPs; • Areas used for chemical and waste storage; • Vehicle access points; • Steep slopes; and • Buffer areas between the site and water bodies. Site inspections must be used to assess whether or not existing BMPs are functioning as designed. If a BMP is not functioning as designed, alternate BMPs must be recommended or the BMP needs to be maintained. If the BMP is constantly being maintained, then the inspector 17 kl-t7 needs to recommend new options to mitigate sediment and erosion problems. If an emergency is encountered, i.e., large amounts of sediment laden runoff is entering a water body, on-site equipment is leaking uncontrollably, or BMPs are being overwhelmed, the SWMP team needs to be made aware as soon as possible. For stormwater regulation purposes, construction sites are divided into stormwater inspection stages: Active, Completed, and Final Stabilization. For the purposes of this SWMP, only active and completed sites are inspected. Winter conditions and precipitation events trigger different inspection routines. Each of the stormwater inspection stages and weather conditions are discussed below. Once a completed site reaches final stabilization, it is removed from this stormwater construction permit program. 8.1.1 Active Stage/14-day Inspection According to stormwater regulations, the construction phase of a site is classified as the Active Stage and the inspection frequency is every 14 days. The Active Stage is characterized as the time between initial ground breaking of a site to when the site is prepared for final stabilization. 8.1.2 Completed Stage/Monthly Inspection For sites which have not reached final stabilization (Section 7.2 Final Stabilization) but meet the following criteria, the inspection frequency can be reduced to once a month. This reduced inspection schedule is allowed only if: • All construction activities that result in surface ground disturbance are completed; • All activities required for final stabilization, in accordance with the SWMP, have been completed, with the exception of the application of seed that has not occurred due to seasonal conditions or the necessity for additional seed application to augment previous efforts; and • The SWMP has been amended to indicate those areas are to be inspected under a reduced schedule. The SWMP will be amended to indicate a reduced inspection schedule at a site by noting on the last 14 day inspection report that the respective site is being moved to a monthly inspection schedule. 8.1.3 Final Stabilization Stage When any pad site, road, or gathering line reaches final stabilization, further inspections are not required (Section 7.2 Final Stabilization). All temporary site-specific BMPs no longer required are removed. 8.1.4 Winter Conditions Exclusion Inspections are not required where construction activities are temporarily halted because snow cover exists over the entire site for an extended period. This exclusion is valid as long as melting 18 Ji -t7 conditions do not exist. The following information must be documented in the inspection reports for use of this exclusion: dates when snow cover occurred, date when construction activities ceased, and date melting conditions began. Snow plowing and ice removal operations are critical during the winter for the safety of all workers traveling through the field. Because of this, rock bag check dams and other BMPs which could become obstacles to these operations are kept at a minimum and only used as necessary. Alternative BMPs are implemented as needed to ensure sediment containment and erosion control remains sufficient. 8.1.5 Precipitation Event Inspections Active Stage sites are inspected within 24 hours after a precipitation or snowmelt event causing surface erosion. If no construction activities will occur at the construction site following a storm event, post -storm event inspections are conducted prior to re -commencing construction activities, but no later than 72 hours following the storm event. Precipitation event inspections are not required at Completed Stage sites. 8.1.6 Inspection Documentation All inspection observations are recorded on the site inspection report. The report provides a standardized format for noting inspection observations and includes a signature line for the inspector. The site-specific information is updated following the specific inspection. The following items need to be documented during an inspection: 1. Inspection date; 2. Names(s) and title(s) of personnel making the inspection; 3. Location(s) of discharges of sediment or other pollutants from the site; 4. Location(s) of BMPs that need to be maintained; 5. Location(s) of BMPs that failed to operate as designed or proved inadequate for a particular location; 6. Location(s) where additional BMPs are needed that were not in place at the time of inspection; 7. Deviations from the minimum inspection schedule; 8. Description of corrective action for items 3-6 above, dates corrective action(s) taken, and measures taken to prevent future violations, including requisite changes to the SWMP, as necessary; and 9. After adequate corrective action(s) has been taken or where a report does not identify any incidents requiring corrective action, the report shall contain a signed statement 19 4if) indicating the site is in compliance with the permit to the best of the signer's knowledge and belief. 8.1.7 Inspection Reporting, Database System and Communication Procedures All inspection data is kept in a database managed by BBC contractors. This database is capable of presenting inspection data in a variety of formats. All inspection data, including site maps, is retained on the BBC server(P:\SWMP\SitelnspectionHistory). This database is also used to create work orders. Work orders are created from data entered on inspection forms and associated Visio site maps. As soon as possible, work orders are sent to BBC personnel responsible for implementing stormwater maintenance recommendations made while conducting inspections. 8.2 Maintenance Procedures BMP maintenance is considered proactive. Design integrity should be maintained throughout the life of all BMPs. If a BMP is not functioning as designed, it is replaced with a better BMP or additional upgradient BMPs. If non-compliance is reached due to the failure of a BMP, the BMP causing non-compliance is maintained as soon as possible. Generally, BBC appointed inspectors recommend the maintenance of BMPs following routine inspections, but BMPs can be maintained as a result of general observations made while on site. See Section 8.1.7 for details on communication between inspectors and maintenance contractors. 8.3 Preventive Maintenance BBC implemented preventive maintenance measures in order to prevent potential pollutants from entering surface waters. These measures are used on a daily basis by BBC personnel working in the field. They are summarized below. 8.3.1 Good Housekeeping In accordance with BMPs providing procedures to eliminate contamination, and direct, divert, and contain stormwater, BBC outlined a number of good housekeeping practices. These practices help prevent sediment, trash, and significant materials from entering state waters. The following BMPs are implemented in order to maintain clean and orderly sites: • Maintenance of leaking construction equipment; • Routine trash collection and proper disposal; • Maintenance of erosion and sediment control BMPs; • Site organization; • Contractor expectations training; • Centralized locations of spill response equipment; and 20 4if) • Employees and contractors are familiarized with good housekeeping procedures and pad pollution prevention procedures. 8.3.2 Significant Material Storage In order to prevent significant materials from leaving material storage areas, the following BMPs have been implemented: • Storage containers are stored away from direct traffic; • Limited access is granted to storage areas; • Employees are educated on spill response measures and how to safely handle materials; • Materials are placed in secondary containment; • Materials are covered; • Dumpsters and trash receptacles are enclosed; • Storage containers are checked for leaks; • Annual internal SPCC training; • Annual HAZWOPER training; • Storage areas are kept free of refuse; and • Chemical substance containers are clearly labeled with a MSDS kept on file. 8.3.3 Waste Removal All waste from materials imported to the construction site are removed for disposal/recycling to an appropriate licensed disposal/recycling facility, including sanitary sewage facilities (typically portable). No wastes of imported materials are buried, dumped, or purposely discharged to waters of the state. 9.0 EMPLOYEE TRAINING BBC informs and trains employees and contractors who are involved with SWMP activities. Training covers information and procedures contained in the SWMP and conducted on an as - needed basis. The following topics may be presented and discussed during SWMP training: • CDPS stormwater general permit; • Stormwater regulations; 21 4if) • SWMP components; • Potential pollutant sources; • BMPs; • Preventative maintenance; • Good housekeeping; • Inspections and maintenance; and • Recordkeeping. Personnel involved with the BBC stormwater program attend the Colorado Department of Transportation Erosion Control Supervisor Training course as well as the Oil and Gas -Specific stormwater training course. 10.0 RECORDKEEPING Stormwater-related inspection records and site maps are kept on a centralized server (P:\SWMP\SitelnspectionHistory). The reports shall include site-specific reports and maps. The maps will be updated after each inspection and dated to document changes as they occur. All stormwater-related records will be filed and stored by BBC for a minimum of three years after each individual site achieves final stabilization 11.0 SWMP REVIEW/CHANGES BBC amends the SWMP whenever a significant change in design, construction, operation, or maintenance having a significant effect on the potential for the discharge of pollutants to water of the state occurs. The SWMP is also amended if it proves to be ineffective in achieving the general objectives of controlling pollutants in stormwater discharges associated with pads, roads, and gathering line construction activities. The SWMP is considered a "living document". 22 4if) FIGURES TABLES APPENDIX A LEGAL DOCUMENTS AND GENERAL PERMIT s77 APPENDIX B SITE SPECIFIC DATA AND MAPS SEE CENTRALIZED SERVER: (P:\SWMP\SiteInspectionHistory) s77 APPENDIX C BMP MANUAL APPENDIX D SEED MIXES Bill Barrett Corporation Circle B Laydown Yard Impact Analysis Tab Table of Contents 1. Impact Analysis Narrative 2. Vicinity Map and Access Road Figure 3. List of Adjacent Parcel Owners 4. Adjacent Parcel Owners Map 5. Mineral Rights Owners 6. Parcel Map 7. Parcel Deed 8. LEGG Right of Way Agreement 9. Access Agreement 10. Access Route and ROW Exhibit A Figure 11. Biological Survey 12. Weed Management Plan 13. Class 1 Cultural Report 14. Traffic Study 15. Roadway Maintenance 16. Site Photos Impact Analysis Tab —Table of Contents Garfield County Limited Impact Review, 2014 Bill Barrett Corporation Circle B Laydown Yard Impact Analysis Narrative Section 4-203 (G) 1.0 Introduction The following section addresses the requirements for the Impact Analysis under Section 4-203 of the Garfield County Land Use and Development Use (LDDC). 2.0 Required Exhibits The Impact Analysis shall provide a description of the impacts that this proposed land use change may cause, based upon the standards that the proposed use must satisfy. This section includes exhibits and descriptions of how Bill Barrett Corporation (BBC) will ensure that impacts will be mitigated and standards will be satisfied. 2.1 Adjacent Property Landowners An address list of real property adjacent to the Circle B Laydown Yard (CBLY) parcel, the mailing address for each of the property owners and the appropriate portion of a Garfield County Assessor's Map showing the project site location and all public and private landowners adjacent to the CBLY parcel are provided in the Impact Analysis Tab. Also, in accordance with Garfield County's §24-65.5-101, a copy of the names of all mineral interest owners of the subject property is located in the Impact Analysis Tab. 2.2 Adjacent Land Use Existing use of adjacent property and neighboring properties are agricultural, public lands, and natural resources extraction. Adjacent parcels are zoned rural or public lands. No additional impact would occur to the abutting property owners from the construction and/or operation of the CBLY. The proposed site is located on a 40 acre parcel. 2.3 Site Features There are no streams, areas subject to flooding, high ground water areas, and lakes within the project area. No streams exist within 1000 ft of the proposed site location. There are no anticipated impacts or ground water containments associated with the proposed site. Existing sediment basins and berms surround the site. The site was previously graded and the storage area was designed to minimize impacts. Hydrologic Features Figure is provided in the Erosion and Sediment Tab. The area consists of Pinyon -juniper woodlands and sagebrush vegetation. Climate of the area is arid with an average annual precipitation of 11.58 inches according to the Western Regional Climate Center. Site photos are provided in the Impact Analysis Tab. 2.4 Soil Characteristics The CBLY is underlain by soils of the Potts loam with a 6 to 12 percent slope and Torriorthents- Camborthids-Rock outcrop complex. Potts loam is a deep, well -drained soil. Permeability is moderate and water capacity is high. Torriorthents- Camborthids-Rock outcrop complex is mostly clay and have a slow rate of water transmission. Soils are detailed in the Grading and Drainage report. 2.5 Geology and Hazard There are no landslides in the vicinity of the site and the hazard to landslides and rockfalls are moderate. The site will be located on an arid plateau. The slope hazard figure is located under the Erosion and Sediment tab. Impact Analysis Narrative Garfield County Limited Impact Land Use Application, 2014 Page 1 of 3 Bill Barrett Corporation Circle B Laydown Yard 2.6 Groundwater and Aquifer Recharge Areas The 100 -year floodplain boundaries are well outside the immediate vicinity of the CBLY as shown on Garfield County maps. Floodplain and flood fringe delineations are depicted in the Hydrologic Features Figure located in the Erosion and Sediment tab. Bill Barrett has prepared and utilizes the state approved Mamm Creek Stormwater Management Plan (SWMP). Implementation of the SWMP ensures that activities comply with stormwater management as required by Garfield County, the State of Colorado, and the EPA. Implementation of the plan also mitigates the potential for Bill Barrett to pollute surface runoff, stream flow, or groundwater. The Mamm Creek Stormwater Permit and extension letter are provided in the Erosion and Sediment tab. 2.7 Environmental Effects Determination of the existing environmental conditions on the parcel to be developed and the effects of development on those conditions, including: a. Determination of the long-term and short-term effect on flora and fauna; b. Determination of the effect on designated environmental resources, including critical Wildlife Habitat; c. Impacts on Wildlife and domestic animals through creation of hazardous attractions, alteration of existing native vegetation, blockade of migration routes, use patterns, or other disruptions; BBC contracted West Water Engineering Inc. (WWE) to prepare an Environmental Impact Assessment for the CBLY. The assessment determined the location of the storage site will not cause significant disturbance to flora or fauna. The proposed site location will be constructed on previously disturbed ground and is located within an area of similar development. The Environmental Impact Assessment, prepared by WWE, can be located in the Impact Analysis tab. Descriptions of existing flora and fauna habitat, wetlands and migration routes present in the vicinity of the project site can be found in the report. d. Evaluation of any potential radiation hazard that may have been identified by the State or County Health Departments; and No potential radiation hazard has been identified by the state or County Health Department. 2.8 Nuisance Nuisance from noise, lighting, and dust is not anticipated. No lighting or utilities will be installed or used at the proposed site. All deliveries and welding activities will occur between the business hours of 7AM-5PM, Monday thru Friday. The access road is currently maintained by BBC. The site is located on a 40 acre parcel, surrounding by other rural and public land parcels. During the three-week construction phase, traffic will increase as equipment and supplies are delivered to the site. Trips will generally include low -boy multi -unit trucks, approximately one to three per day, and pickups to transport staff, approximately two to three per day. During the operational phase of the project, vehicles accessing the facility will primarily consist of pickup trucks, approximately eight vehicles or 16 trips per day. A medium weight truck will access Impact Analysis Narrative Garfield County Limited Impact Land Use Application, 2014 Page 2 of 3 Bill Barrett Corporation Circle B Laydown Yard the site one time per week for 2 trips per week. Approximately five heavy trucks (10 trips) will access the site monthly to make equipment and material deliveries. Typical daily volumes will be approximately 16 trips per day with the potential for 20 trips. The site reduces the tractor trailer traffic on county roads, by trucks trailers delivery to one centralized location, not individual well pad locations. A support truck (winch truck) will be used to deliver from the CBLY to the individual locations. The traffic report, located in the Impact Analysis tab, determined that the increase is traffic is negligible and no significant improvements to the county roads are warranted. 2.9 Hours of Operation. The proposed site will not be manned on a continuous basis with personnel only being present during unloading and loading of equipment and infrequent welding activities. Site activities will only occur between the business hours of 7AM -5PM, Monday thru Friday. Impact Analysis Narrative Garfield County Limited Impact Land Use Application, 2014 Page 3 of 3 ... � '/ — ' - r.f 5=20 \« \"�� _-� �»�`^ N3S` 30' 21.10" ~"` -^` ""�, 03.09" /�� ^ =."' 38' �/��r^� __./ o .�u^--{ / - -- �� � R.O.W. &�S EASEMENT ���opor�^cnnn�n�r RECORDED �.�����.,. ��..�.��IN BK 100O. PG 303 �� �r� "�`--_�' U`~_ --'��°-`-- � ~ `NJ9` 30'19.82" ±490' ' ` ~ . wNO7` 38' OSO4' • N39` 30' 13.33^ \46 ]r 37' �969^ ��� • -`� ± 1.6 MI EXISTING GRAVEL ROAD • -- ' N39' 29' 14.85" � vM07` 37' 45.27" CHIPP'._ - \ D LANE DIRECTIONS TO LOCATION: FROM THE INTERSECTION OF DRY HOLLOW ROAD AND CHIPPERFIELD LANE PROCEED IN AN EASTERLY DIRECTION ALONG CHIPPERFIELD LANE APPROXIMATELY 1.3 MILES TO AN INTERSECTION WITH AN EXISTING GRAVEL ROAD TO THE LEFT, PROCEED LEFT IN A NORTHERLY DIRECTION ALONG THE EXISTING GRAVEL ROAD APPROXIMATELY 1.6 MILES TO SIX LAZY K ROAD; THEN PROCEED LEFT IN A SOUTHWESTERLY DIRECTION APPROXIMATELY 490 FEET TO THE EXISTING ACCESS ROAD FOR THE PROPOSED LAYDOWN YARD ON THE RIGHT AS SHOWN HEREON. ECLIPSE �~~K "� ��~~���~~ ������"" ���� surveying 11/E.THIRD CO 8165 (970) 625-3048 SCALE: 1"=1500' Bill Barrett Corporation SHEET: 1 OF 1 PROJECT: EPPERLY DFT: JAK lPPERLYlAyDOWN YARD ACCESS DETAIL EXHIBIT BILL BARRETT CORPORATION Epperly Laydown Yard Impact Analysis: Section 4-203-G (8) Environmental Impacts Garfield County Land Use and Development Code h R Cover photo: Typical habitat conditions near the Epperly Laydown Yard Prepared for: Bill Barrett Corporation Prepared by: WestWater Engineering 2516 Foresight Circle #1 Grand Junction, CO 81505 September 2013 Bill Barrett Corporation Epperly Laydown Yard Impact Analysis: Section 4-203-G (8) Environmental Impacts Garfield County Land Use and Development Code INTRODUCTION Prolect Description At the request of Bill Barrett Corporation (BBC) WestWater Engineering (WestWater) has prepared a Garfield County Impact Analysis for the proposed 5.01 acre Epperly Laydown Yard. The proposed laydown yard is located on a previously disturbed site on privately owned lands south of Silt, Colorado in Garfield County in Section 23, T6S, R92W (Figure 1). Access to the project area is available on private roads via County Road 331. The current primary uses of the land are rural residential, natural gas development, rangeland, and wildlife habitat. This document reports the results and analysis of findings pertinent to the Garfield County Land Use and Development Code (July 15, 2013) as they apply to this project. Survey Methods The project area was evaluated for the potential occurrence of special status plants and wildlife, raptors, noxious weeds, and potential Army Corps of Engineers jurisdictional Waters of the U.S. by WestWater biologists on September 3, 2013. Vegetation types were determined through aerial photography and on - the -ground assessments. Plant species identification was aided by using pertinent published field guides (CWMA 2007, Kershaw et al. 1998, Spackman et al. 1997, Weber and Wittmann 2012, Whitson et al. 2001). Mapped soil types, as published by the Natural Resources Conservation Service (NRCS), U.S. Department of Agriculture (USDA), were reviewed to determine the soil types and expected natural vegetation characteristics at the project site (NRCS 2013). Data locations were recorded using handheld Global Positioning System (GPS) units (Datum: NAD83, Zone 13) and photographs were taken of the habitat, terrain, and biological features found during the survey. Raptor and special status wildlife species surveys were conducted on foot within suitable habitats within 0.25 mile of the proposed laydown yard. No cliffs with substrate suitable for raptor nesting occurred within 0.5 mile of the project site. Surveys for threatened, endangered, or sensitive plant species were conducted within suitable habitats in conjunction with wildlife surveys. Noxious weed infestations within 30 meters of project features were documented and are reported in an Integrated Vegetation and Noxious Weed Management Plan that was prepared for this project (WestWater 2013). SECTION 4-203-G (8) - ENVIRONMENTAL IMPACTS EXISTING ENVIRONMENTAL CONDITIONS Waters of the U.S. — Army Corps of Engineers (ACOE) WestWater biologists determined that no wetlands or drainages showing characteristics of Waters of the U.S. (WOUS) were located on the site. Vegetation & Climate Natural vegetation communities within the project area are categorized as scattered, stunted pinyon - juniper woodlands, and mixed sagebrush and greasewood shrublands with a grass understory. A list of common plant species in the area are provided in Table 1. Pinyon juniper woodlands are dominated by pinyon pine and Utah juniper and are often mixed with an understory composed of Wyoming sagebrush, forbs, and grasses. WestWater Engineering Page 1 of 14 September 2013 The shrublands within the project area are composed primarily of Wyoming sagebrush, greasewood, and low rabbitbrush. Non-native downy brome (Bromus tectorum) dominates the understory for this shrubland community as well as much of the pinyon juniper woodlands in the project area. Natural gas exploration, with its associated facilities, and residential development within the general project area have contributed to landscape/watershed habitat fragmentation in this area. The disturbance to habitat is due primarily to the increase in roads, well pads, pipelines, compressor stations, and other ancillary facilities required to produce and transport natural gas. Additionally, historical grazing practices have affected vegetative composition in the area, and contributed to the introduction and/or spread of invasive plant species. Some changes in the vegetation are a result on natural plant successional factors resulting from maturing plant communities, drought, lack of natural fire, and encroachment of juniper into sagebrush shrublands. The climate for the Colorado River valley is semi -arid with a wide range of temperatures and precipitation. The average annual precipitation in the region ranges between 10 and 14 inches, and temperatures range from about 95 degrees F in the summer months to -5 degrees F during the winter months. Table 1. Common plant species observed near the site. Common Name Scientific Name Common Name Scientific Name Astragalus (milkvetch) Astragalus spp. Low rabbitbrush Chrysothamnus viscidiflorus Big sagebrush Artemisia tridentata Mountain mahogany Cercocarpus montanus Broom snakeweed Gutierrezia sarothrae Needlegrass Achnatherum spp. Claret cup cactus Echinocereus triglochidiatus Pinyon pine Pinus edulis Crested wheatgrass Agropyron cristatum Prickly pear Opuntia polyacantha Deathcamus Zigadenus spp. Prickly phlox Phlox pungens Desert parsley Lomatium spp. Salsify Tragopogon dubius Foxtail barley Hordeum jubatum Serviceberry Amelanchier utahensis Galletagrass Pleuraphis jamesii Utah juniper Juniperus osteosperma Greasewood Sarcobatus vermiculatus Western wheatgrass Pascopyrum smithii Indian ricegrass Achnatherum hymenoides Winterfat Krascheninnikovia lanata Intermediate wheatgrass Thinopyrum intermedium Soils Soil types include loams and sandy to gravelly loams that overlay broken shale derived from the Green River Formation. Mapped soil types, as published by the Natural Resources Conservation Service (NRCS), U.S. Department of Agriculture (USDA), were reviewed to determine the soil types and vegetation characteristics of the project site and surrounding property (NRCS 2013). Two soil types are found at the project site, and include Potts loam typical of slopes between 3 to 12 percent, and the Torriorthents-Camborthids-Rock outcrop complex (NRCS 2013). RESULTS OF SURVEY Threatened and Endangered Plant Species The occurrence and distribution of rare plants are strongly influenced by geologic formations and the resulting soil types present in an area. Rare plant populations are usually scattered and are often WestWater Engineering Page 2 of 14 September 2013 comprised of a small number of individual plants. This is primarily a result of specific soil and moisture requirements of each species and the high variability in the distribution and surface exposure of suitable soils within the geological formations. No threatened and endangered species of plants or their habitats occur within the project area (Spackman et al. 1997). Noxious Weeds Weed species listed by the State of Colorado (2013) and Garfield County (2013) detected in the project area include cheatgrass (Bromus tectorum — State C List), bulbous bluegrass (Poa bulbosa — State C List), musk thistle (Carduus nutans — State B List), and Russian knapweed (Acroptilon repens — State B List). Detailed information regarding noxious weed infestations, control techniques, and revegetation recommendations are reported in an integrated vegetation and noxious weed management plan that was prepared for this project (WestWater 2013). Threatened, Endangered, and Candidate Wildlife Species The project area was evaluated for threatened, endangered, or sensitive wildlife species listed in Garfield County (Table 2) (USFWS 2013a). Table 2. Federal Threatened, Endangered, and Candidate Wildlife Species for Garfield County. Common Name Scientific Name Status Bonytail Gila elegans Endangered Canada lynx Lynx canadensis Threatened Colorado pikeminnow Ptychocheilus lucius Endangered Greater Sage -grouse Centrocercus urophasianus Candidate Greenback cutthroat trout* Oncorhynchus clarki stomias Threatened Humpback chub Gila cypha Endangered Mexican spotted owl Strix occidentalis lucida Threatened Razorback sucker Xyrauchen texanus Endangered Yellow -billed cuckoo Coccyzus americanus Candidate * Recent genetic studies indicate that pure greenback cutthroat trout likely do not exist in western Colorado. Until the review and rulemaking process is complete, the U.S. Fish and Wildlife Service is recommending that "Lineage GB" cutthroat trout be managed as greenback cutthroat (USFWS 2012) The project area drains into a section of the Colorado River within or above designated critical habitat for Colorado pikeminnow, razorback sucker, bonytail, and humpback chub (Maddux et al. 1993). No other species listed in Table 2 would be expected as habitat conditions are not appropriate for these species. State Listed Threatened, Endangered and Special Concern Wildlife Species WWE biologists determined that five state listed threatened, endangered, or special concern species may occur within the geographical area and are listed in Table 3 (CPW 2013). Table 3. State -listed Threatened, Endangered and Special Concern wildlife species that may occur. 'Common Name Scientific Name State Status Habitat Preference American Peregrine Falcon Falco peregrinesSC anatum High cliffs near pinyon juniper, ponderosa, or spruce -fir forests. Confirmed breeder in Garfield, Mesa, Moffat, Montrose, and San Miguel Counties. Elevations from 4,500 to over 9,000 feet. WestWater Engineering Page 3of14 September 2013 Table 3. State -listed Threatened, Endangered and Special Concern wildlife species that may occur. Common Name Scientific Name State Status Habitat Preference _ Bald Eagle Haliaeetus leucocephalus T Open Water — Lakes, Forested Wetlands, Shrub Dominated Wetlands, Grass/Forb Dominated Wetlands; occurs and nests in Garfield County; common winter migrant along stream corridors; Elevation: 3,000 - 8,000 feet Townsend's Big- eared Bat Corynorhinus townsendii pallescens SC Mesic upland shrub, xeric upland shrub, deciduous oak, bitterbrush shrub, mountain big sage, Wyoming big sagebrush, big sagebrush, shrubland, desert shrub, saltbush fans & flats, greasewood fans & flats, sand dune complex (Shrubland), disturbed shrubland, juniper,pinyon-juniper, j p � riparian; Elevation: 3,000 — 9,500 feet * E= State Endangered, T= State Threatened, SC = Species of Special Concern During surveys, no state listed threatened, endangered, or special concern wildlife species were observed in the project area. Suitable foraging habitat for Peregrine Falcon, Bald Eagle, and Townsend's big eared bat may be present within the biological resources survey area and these species may occur. No aquatic resources capable of sustaining fish or amphibian species occur within the project area. Raptors At least fifteen raptor species may potentially nest, reside, forage, or pass through the project area (Table 4). Nesting season for raptor species in this area takes place from January through mid-August. The most common raptor species observed in the area include American Kestrel, Cooper's Hawk, Golden Eagle, Great Horned Owl, and Red-tailed Hawk. Table 4. Raptor species that may occur within the nroiect area. Common Name Scientific Name American Kestrel Falco sparverius No Bald Eagle Haliaeetus leucocephalus Yes Cooper's Hawk Accipiter cooperii No Flammulated Owl Otus flammeolus Yes Golden Eagle Aquila chrysaetos Yes Great Horned Owl Bubo virginianus No Long-eared Owl Asio otus No Northern Harrier Circus cyaneus No Northern Pygmy Owl Glaucidium gnoma No Northern Saw -whet Owl Aegolius acadicus No Peregrine Falcon+§ Falco peregrines Yes Prairie Falcon Falco mexicanus Yes Red-tailed Hawk Buteo jamaicensis No Sharp -shinned Hawk Accipiter striatus No Swainson' s Hawk Buteo swainsoni No *BCC=U.S. Fish and Wildlife Service, Bird of Conservation Concern (USFWS 2008) + State species of concern (CPW 2013b) WestWater Engineering Page 4 of 14 September 2013 No raptor nests were observed within the 0.25 mile survey buffer around the proposed laydown yard. Two adult Swainson's Hawks were observed incidentally during the surveys (Figure 2), but were not behaving in a manner indicative of nesting. Birds of Conservation Concern, Migratory, and Non -migratory Birds (excluding raptors) WestWater biologists evaluated the project area for bird species (in addition to raptors and sage -grouse) that could be affected by the project. Birds of Conservation Concern (BCC) have been identified by the U.S. Fish and Wildlife Service (USFWS) for priority conservation management in an attempt to prevent or remove the need to list additional species under the Endangered Species Act (USFWS 2008). A literature review was conducted to identify BCC species with potential to occur in the project area (Table 5) (Andrews & Righter 1992, Kingery 1998, Righter et al 2004, Poole 2013). Table 5. BCC sensitive species that may occur in the nroiect area. Common Name Scientific Name Habitat Description , Potential to Occur Brewer's Sparrow Spizella breweri Expansive sagebrush shrublands; occasionally found in greasewood or other shrublands Likely to occur in sagebrush shrublands. Juniper Titmouse Baeolophus griseus Pinyon juniper woodlands. Observed in pinyon juniper woodlands. Lewis'sPinyon Woodpecker Melanerpes lewis juniper woodlands and riparian cottonwoods. Low potential to occur due to arid nature of woodlands in the project area and lack of riparian habitat. Pinyon Jay Gymnorhinus cyanocephalus pinyon juniper woodlands. Likely to occur in pinyon- juniper woodlands. USFWS guidance indicates that developments may potentially affect nesting migratory birds within 100 - feet of a project. The survey took place near the end of the typical nesting season for birds at this altitude in western Colorado and no birds were observed actively nesting within 100 feet of the project. Suitable habitat exists within the project area for Brewer's Sparrow and Pinyon Jay, and Juniper Titmice were observed in the pinyon juniper woodlands during the surveys. Black -billed Magpie (Pica hudsonii), Blue - gray Gnatcatcher (Polioptila caerulea), Common Raven (Corvus corax), House Finch (Carpodacus mexicanus), Mountain Bluebird (Sialia currucoides), Mourning Dove (Zenaida macroura), Plumbeous Vireo ( Vireo plumbeus), and Turkey Vulture (Cathartes aura) were observed during the surveys. American Elk and Mule Deer The proposed laydown yard lies within Colorado Parks and Wildlife (CPW) Game Management Unit (GMU) 42 and is within overall mule deer and American elk winter range. The project site falls within designated elk severe winter range and is within a mapped elk winter concentration area (CPW 2013a) (Figure 3). The project site also encompasses mule deer severe winter range and is within a mule deer winter concentration area (CPW 2013a) (Figure 4). CPW defines "winter range" as "that part of the overall range where 90 percent of the individuals are located during the average five winters out of ten from the first heavy snowfall to spring green -up". CPW defines a "winter concentration area" as "that part of the winter range where densities are at least 200 percent greater than the surrounding winter range density during the same period used to define winter range in the average five winters out of ten". "Severe winter range" is defined as "that part of the range of a species where 90 percent of the individuals are located when the annual snowpack is at its maximum WestWater Engineering Page 5 of 14 September 2013 and/or temperatures are at a minimum in the two worst winters out of ten." Mule deer critical winter range is defined as "the combined area delineated as severe winter range and as winter concentration areas". During the surveys, numerous deer, fresh tracks, beds, antler rubs and fecal pellets were observed. Significant browsing by deer on available sagebrush and rabbitbrush was observed where these plant species occurred, especially in the openings in the pinyon juniper and meadow edges. Elk and mule deer utilize the winter range extensively in the project area, following the snow line to higher elevations in the spring. Mule deer rely on the existing sagebrush and shrubs above the snow for their primary food source, while elk rely primarily on available grasses for food. Adjacent areas of pinyon pine and juniper trees provide necessary escape, thermal and loafing cover for deer and elk. Deer and elk are frequently observed in the project area. Black Bear and Mountain Lion CPW "NDIS" mapping shows the project area to be within overall range for black bear and mountain lion (CPW 2013a). Black bear are a common resident mammal throughout the area. Black bears are omnivorous and the diet depends largely on what kinds of food are seasonally available, although their mainstay is vegetation. In spring, emerging grasses and succulent forbs are favored. In summer and early fall, bears take advantage of a variety of berries and other fruits. In late fall, preferences are for berries and mast (acorns), where available. When the opportunity is present, black bears eat a diversity of insects, including beetle larvae and social insects (ants, wasps, bees, termites, etc.), and they kill a variety of mammals, including rodents, rabbits, and young or unwary ungulates. Black bear are in hibernation from mid-November through April to May. Mountain lion typically follow migrating deer herds, as deer are their primary food source. Mountain lion have large territories and are highly mobile as they search for food or new territories. Mountain lion prefer to hunt in rocky terrain near woodland habitats. These habitat conditions occur near the project area. Mountain lion could travel through and hunt in the project area year-round. Small Mammals Common small mammal species (small game, furbearers, non -game) that may be present on the project site include coyote (Canis latrans), bobcat (Lynx rufus), golden -mantled ground squirrel (Spermophilus lateralis), northern pocket gopher (Thomomys talpoides), desert cottontail (Syvilagus audubonii), white- tailed jackrabbit (Lepus townsendii), and least chipmunk (Tamias minimus) (Fitzgerald et al. 2011). During the surveys, least chipmunks were observed. Reptiles Plateau striped whiptail (Cnemidophorus velox), sagebrush lizard (Sceloporus graciousus), short -horned lizard (Phrynosoma hernandesi), collared lizard (Crotaphytus collaris), western terrestrial garter snake (Thamnophis elegans), racer (Coluber constrictor), bull snake (Pituophis catenifer), and western rattlesnake (Crotalus viridis) are reptiles potentially occurring in the project area (Hammerson 1999). No reptiles were observed during surveys. Aquatic Species Tiger salamander (Ambystoma tigrinum) and chorus frog (Pseudacris triseriata) may occur in the geographical area, though neither of these species nor any suitable habitats were observed. WestWater Engineering Page 6 of 14 September 2013 SECTION 4-203 G (8) (a) - DETERMINATION OF LONG AND SHORT-TERM EFFECTS ON FLORA AND FAUNA FLORA The proposed laydown yard comprises a total of approximately 5.01 acres of total disturbance, much of which has already been disturbed as a part of a previous development on the site. No threatened or endangered plants would be affected. The project will affect on-site native vegetation and wildlife habitat as well as areas adjacent to the project area for the duration of its existence. The project will contribute to overall cumulative effects of vegetation loss and alteration in the general project area. Locating the laydown yard on and adjacent to existing developments will affect natural resources to a lesser extent than a stand-alone laydown yard. FAUNA Threatened and Endangered Wildlife Potential impacts from the project include water depletions, sedimentation of tributaries to the Colorado River, and spills of chemicals, fuels from equipment, or other hazardous materials. It is unlikely that endangered fish in the Colorado River are affected by this project since depletions are not likely to be associated with the development of the laydown yard. Sediments are mostly contained by topography and not likely to reach the river. Implementation of appropriate stormwater Best Management Practices (BMPs) and Spill Prevention Counter Control (SPCC) measures reduce any potential impacts to aquatic environments. State Listed Threatened, Endangered and Special Concern Wildlife Species The amount of available habitat for small mammals is reduced by the footprint of the project. The amount of disturbance is not expected to affect small mammal populations on a large scale. Amphibians downstream would be most susceptible in the event contaminants were introduced to surface water during activities associated with the use of the laydown yard. The amount of available habitat for amphibians would not be affected by the project. The amount of disturbance is not expected to affect amphibian populations. Human presence and activity may affect animal distribution. An increase in vehicle traffic could result in mortality due to collisions (road -kill), although the project would minimally contribute to a cumulative impact, given low expected traffic volumes and slow speed limits. Raptors No suitable raptor nesting habitat is directly affected and there are no known nests within 0.25 mile of the project site. Birds of Conservation Concern, Migratory, and Non -migratory Birds (other than raptors) Approximately 5.01 acres of nesting and foraging habitat has been, or will be removed, contributing to the cumulative effects of habitat reduction and fragmentation in the general project area. The placement of the laydown yard on a previously disturbed site has reduced this impact. Vegetation removed from the site is not unique and the effects of habitat loss will not affect overall passerine populations. Structures or equipment placed at the laydown yard may provide hunting perches for raptors that prey on smaller birds in the area and may contribute to increased predation. American Elk and Mule Deer The laydown yard would reduce available winter habitat for foraging, escape, and thermal cover by approximately 5.01 acres. Increased vehicle traffic may result in mortality due to collisions (road -kill), WestWater Engineering Page 7 of 14 September 2013 although the project area roads have a low speed limit and traffic volumes are expected to be small. No migration corridors are affected. Human presence and activity may affect animal distribution by creating avoidance areas and increasing stress on wintering big game. Over time, deer and elk that winter in this area have become habituated to human activity and the indirect effects of avoidance and displacement have decreased. Black Bear and Mountain Lion Due to the large home range of both black bear and mountain lion, and because of the extensive amount of available habitat for these species, no significant affects from this project for these species are expected. The main concern with these species would be the potential for negative human interactions. SECTION 4-203 G (8) (b) — DETERMINATION OF THE EFFECT ON SIGNIFICANT ENVIRONMENTAL RESOURCES The development of the project is not expected to significantly affect any critical wildlife habitat for any wildlife species. Potential issues are outlined below. • Big Game Winter Range and Migration Corridors: The project is located within an elk deer and elk severe winter ranges and winter concentration areas and reduces habitat available for forage, escape, and thermal cover. No specific deer or elk migration corridors are affected. Elk and deer migrate through this area and this project does not create a restrictive feature as big game migration patterns are not confined to any specific route. • Bird Nesting Habitat for BCC and Migratory Bids: Bird nesting habitat will be lost within the footprint of the project and a small surrounding avoidance area for the duration of the laydown yard's existence. SECTION 4-203 G (8) (c) — IMPACTS ON WILDLIFE AND DOMESTIC ANIMALS • Creation of hazardous conditions: Some passerine bird species may choose to nest in or on equipment or objects on the site, though inherent risks associated with these structures is low. By closing or covering all ports, hatches, cavities, and openings (such as the ends of pipes) this potential is decreased. Most non -game bird species and their nests are protected under the Migratory Bird Treaty Act (16 U.S.C. 703-712; Ch. 128; July 13, 1918; 40 Stat. 755) and damaging occupied nests could be considered a "take" resulting in a violation. • Indirect Construction Effects: Additional human presence and activity related to construction and maintenance of the laydown yard may influence spatial and temporal use of habitat surrounding the project by wildlife. Since the site exists amid significant human presence related to other activities in the area, the additional disturbance from this project is expected to be low, but does contribute to the cumulative effect of development in the area. • Alteration of Existing Vegetation: Approximately 5.01 acres of native vegetation removal has occurred or will occur as a result of this project. • Road -kill: Speed limits are 25 miles -per -hour or less on private roads in the area and most wildlife have become habituated to vehicle traffic. The potential for road -kill for most species should be low, with the exception of some small mammals, birds, and reptiles. REFERENCES Andrews, R., and R. Righter. 1992. Colorado Birds: A Reference to Their Distribution and Habitat. Denver Museum of Natural History. Denver. Colorado Greater Sage -grouse Steering Committee. 2008. Colorado greater sage -grouse conservation plan. Colorado Division of Wildlife, Denver, Colorado, USA. WestWater Engineering Page 8 of 14 September 2013 CPW. 2013a. Natural Diversity Information Source—Colorado Division of Wildlife. http://ndis.nrel.colostate.edu/wildlife.asp. Accessed September 6, 2013. CPW. 2013b. State of Colorado species of concern list. Available online: http://wildlife. state.co.us/WildlifeSpecies/SpeciesOfConcern/Pages/SpeciesOfConcern l .aspx Accessed September 6, 2013. CWMA. 2007. S. Anthony, T. D'Amato, A. Doran, S. Elzinga, J. Powell, I. Schonle, K. Uhing. Noxious Weeds of Colorado, Ninth Edition. Colorado Weed Management Association, Centennial. Fitzgerald, J.P., C.A. Meaney and D.M. Armstrong. 2011. Mammals of Colorado, Denver Museum of Natural History and University Press, Denver, CO. Garfield County. 2013. Vegetation Management Section – Noxious Weed List. Available online: http://www.garfield-county.com/vegetation-management/noxious-weed-list.aspx. Rifle. Hammerson, G. A. 1999. Amphibians and Reptiles in Colorado, Second Edition. Colorado Division of Wildlife, Denver. Kershaw, L., A. MacKinnon, and J. Pojar. 1998. Plants of the Rocky Mountains. Lone Pine Publishing, Auburn, Washington. Kingery, H. E. 1998. Colorado Breeding Bird Atlas. Colorado Bird Atlas Partnership, Colorado Division of Wildlife, Denver. Maddux, H., L. Fitzpatrick, and W. Noonan. 1993. Colorado River Endangered Fishes Critical Habitat. Biological Support Document. U.S. Fish and Wildlife Service, Utah/Colorado Field Office, Salt Lake City, Utah, 225 pp. NRCS. 2013. Web Soil Survey, U.S. Department of Agriculture, Natural Resource Conservation Service, Available online: http://websoilsurvey.nrcs.usda.gov. Accessed September 6, 2013. Poole, A. (Editor). 2013. The Birds of North America Online: http://bna.birds.cornell.edu/BNA/. Cornell Laboratory of Ornithology. Ithaca, NY. Righter, R., R. Levad, C. Dexter, and K. Potter. 2004. Birds of Western Colorado Plateau and Mesa Country. Grand Valley Audubon Society, Grand Junction. Spackman, S , B. Jennings, J. Coles, C. Dawson, M. Minton, A. Kratz, and C. Spurrier. 1997. Colorado Rare Plant Field Guide. Prepared for the Bureau of Land Management, the U.S. Forest Service, and U.S. Fish and Wildlife Service by the Colorado Natural Heritage Program. State of Colorado. 2013. Colorado Department of Agriculture. Noxious weed list. Available online: http://www.colorado.gov/cs/Satellite/ag_Conservation/CBON/ 125161887443 8 USFWS. 2008. Birds of Conservation Concern 2008. U.S. Fish and Wildlife Service, Division of Migratory Bird Management, U.S. Fish and Wildlife Service, Arlington, Virginia. USFWS. 2012. Updated position paper on ESA consultations on greenback cutthroat trout, including the cutthroat trout referred to as Lineage GB. Updated Oct 4, 2012. USFWS. 2013a. U.S. Fish and Wildlife Service Endangered Species List – Colorado Field Office County List. Updated June 2010. Available online: http://www.fws.gov/mountain- prairie/endspp/countylists/colorado.pdf. Accessed March 14, 2013. Weber, W. A., and R. C. Wittmann. 2012. Colorado Flora, Western Slope. Fourth Edition, University Press of Colorado, Boulder. WestWater Engineering Page 9 of 14 September 2013 WestWater. 2013. Integrated vegetation and noxious weed management plan for Bill Barrett Corporation's Epperly Laydown Yard. Grand Junction, CO. Whitson, T. D. (editor), L. C. Burrill, S. A. Dewey, D. W. Cudney, B. E. Nelson, R. D. Lee and R. Parker. 2001. Weeds of the West — 9th edition. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie WestWater Engineering Page 10 of 14 September 2013 Legend Laydown Yard Q 30 Meter Weeds Survey Area Q 1/4 Mile Raptor Survey Area BLM 960 'T06.,R092W .5 w Figure 1 Bill Barrett Corporation Epperly Laydown Yard Biological Survey Location AWestWater Engineering Consulting Engineers &Scientists 0 0.1 0.2 Miles September 2013 ap ource: :SII •arced orporalioa\E 'needy Laydown Yard1G IS1 figure 1.msd'1P 11 V. • �' J• NEW CASTLE 'Project Location 1 Legend Raptor Observation .1e, BCC Observation Laydown Yard 114 Mile Raptor Survey Area BLM TO6S R092W +44 al r r- Figure 2 Bill Barrett Corporation Epperly Laydown Yard Biological Survey Raptors and BCC WestWater Engineering t Consulting Engineers & Sceentists 0 0.1 0.2 Mries September 2013 p 5ource:2"'SiD Garret Corporavon'fpperiy Laydown Yard0IS'Fiqure 2 rn d 9+640l2 rbb • if N r 1 . r*M . 44 k. 4". .4, r l r Az/ #7 T AY: A7 Vtiri ilir W4 I a,OR 4fr# AS 4044* 4 4* 41k AI14. • 44.44* 4 44 • S0146 - Ir‘eptiott."*"440404,4* .44.4or i Vo004.#4P GNI". 4.**** 4,44ie • A•. 440 . s . 4. • iv04 44404Att . 4, 44". 4 iv 08 iittA / 4P; • "41%\411" 6 f****Aiket, Project Location r 44 + \ 44. • # i444* "WA_ *04 A ESt tt r.41 rp%1 IP A vv. 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A Wit II04 I e 4 440"AV w +41r -• • v A".." 4' 4 " rio Project Location 311 RWo .4 40 .41 " • 4 r 4 Stt • P+4 t k 1 ‘.• • .40 A L A • 4 A t 47.1r 4".4104041)46-1kik -irw- • &rn 28 26 T06S R092W TO6S-R091W A 1 Vr ***, ok 4* V.4"r r. 0 • 0. 401 • + • Legend I I Laydown Yard Mule Deer Winter Concentration Area Mule Deer Severe Winter Range n Mule Deer Winter Range County Road BLM EMTAZIPAWAIIaenew 6 Figure 4 Bill Barrett Corporation Epperly Laydown Yard Biological Survey Mule Deer Activities WestWater Engineering Consulting Engineers & Scientists fl 0.5 Mlles September 2013 Yap vurce: poi =arced orporaeon ppe y ayown •ar+ gum ma• . •• BILL BARRETT CORPORATION EPPERLY LAYDOWN YARD Integrated Vegetation and Noxious Weed Management Plan Garfield County, Colorado ok 141111."16.-.7_.„0:171m‘ Aglow f o Sw z``'lktio Cover Photo: Looking south from the northeast corner of the proposed laydown yard. Prepared for: Bill Barrett Corporation Prepared by: WestWater Engineering 2516 Foresight Circle #1 Grand Junction, CO 81505 September 2013 1.0 INTRODUCTION 1.1 Project Description At the request of Bill Barrett Corporation (BBC), WestWater Engineering (WestWater) has prepared an integrated vegetation and noxious weed management plan for the proposed 5.01 acre Epperly Laydown Yard. The proposed laydown yard is located on a previously disturbed site on privately owned lands south of Silt, Colorado in Garfield County in Section 23, T6S, R92W (Figure 1). Access to the project area is available on private roads via County Road 331. The current primary uses of the land are rural residential, natural gas development, rangeland, and wildlife habitat. This document reports the results and analysis of findings pertinent to the Garfield County Land Use and Development Code (July 15, 2013) as they apply to this project. 1.2 General Survey Information Mapped soil types, as published by the Natural Resources Conservation Service (NRCS), U.S. Department of Agriculture (USDA), were reviewed to determine the soil types and vegetation characteristics of the proposed laydown yard and surrounding area (NRCS 2013). WestWater biologists surveyed the area to identify vegetation communities and to search for, identify, and map noxious weed species. Field inspections of the project area were conducted by WestWater biologists on September 3, 2013, which is within the active growing season to detect noxious weeds in this region. Vegetation types were determined through field identification of plants, aerial photography, and on -the - ground assessment of plant abundance visible during the survey. Identification of plant species was aided by using pertinent published field guides (Kershaw et al. 1998, Whitson et al. 2001, CWMA 2007, Weber and Wittmann 2012). Photographs were taken of the general project location, vegetation, terrain, and other specific biological findings. Locations of weeds and other features included in this report were recorded with the aid of a handheld global positioning system (GPS) receiver using NAD83/WGS84 map datum, with all coordinate locations based on the Universal Transverse Mercator (UTM) coordinate system in Zone 13. 2.0 LANDSCAPE SETTING 2.1 Vegetation Communities Natural vegetation communities within the project area are categorized as scattered, stunted pinyon - juniper woodlands, and mixed sagebrush and greasewood shrublands with a grass understory. A list of common plant species in the area are provided in Table 1. Pinyon juniper woodlands are dominated by pinyon pine and Utah juniper and are often mixed with an understory composed of Wyoming sagebrush, fortis, and grasses. The shrublands within the project area are composed primarily of Wyoming sagebrush, greasewood, and low rabbitbrush. Non-native downy brome (Bromus tectorum) dominates the understory for this shrubland community as well as much of the pinyon juniper woodlands in the project area. Natural gas exploration, with its associated facilities, and residential development within the general project area have contributed to landscape/watershed habitat fragmentation in this area. The disturbance to habitat is due primarily to the increase in roads, well pads, pipelines, compressor stations, and other ancillary facilities required to produce and transport natural gas. Additionally, historical grazing practices have affected vegetative composition in the area, and contributed to the introduction and/or spread of invasive plant species. Some changes in the vegetation are a result on natural plant successional factors resulting from maturing plant communities, drought, lack of natural fire, and encroachment of juniper into sagebrush shrublands. WestWater Engineering Page 1 of 8 September 2013 Table 1. Common plant species observed near the site. Common Name __ Scientific Name Common Name Scientific Name Astragalus (milkvetch) Astragalus spp. Intermediate wheatgrass Thinopyrum intermedium Big sagebrush Artemisia tridentata Low rabbitbrush Chrysothamnus viscidiflorus Broom snakeweed Gutierrezia sarothrae Mountain mahogany Cercocarpus montanus Bulbous bluegrass Poa bulbosa Needlegrass Achnatherum spp. Claret cup cactus Echinocereus triglochidiatus Pinyon pine Pinus edulis Crested wheatgrass Agropyron cristatum Prickly pear Opuntia polyacantha Deathcamus Zigadenus spp. Prickly phlox Phlox pungens Desert parsley Lomatium spp. Salsify Tragopogon dubius Foxtail barley Hordeum jubatum Serviceberry Amelanchier utahensis Galletagrass Pleuraphis jamesii Utah juniper Juniperus osteosperma Greasewood Sarcobatus vermiculatus Western wheatgrass Pascopyrum smithii Indian ricegrass Achnatherum hymenoides Winterfat Krascheninnikovia lanata The climate for the Colorado River valley is considered semi -arid with a wide range of temperatures and precipitation. The average annual precipitation in the region ranges between 10 and 14 inches, and temperatures range from about 95 degrees F in the summer months to -5 degrees F in winter months. 2.2 Soils Soil types include loams and sandy to gravelly loams that overlay broken shale derived from the Green River Formation. Mapped soil types, as published by the Natural Resources Conservation Service (NRCS), U.S. Department of Agriculture (USDA), were reviewed to determine the soil types and vegetation characteristics of the project site and surrounding property (NRCS 2013). Two soil types are found at the project site, and include Potts loam typical of slopes between 3 to 12 percent, and the Torriorthents-Camborthids-Rock outcrop complex (NRCS 2013). 2.3 Terrain Terrain at the site is flat to gently sloping to the north towards the Colorado River. The site is on a small rise above two small drainages. Elevation at the site is approximately 5,920 ft. 3.0 NOXIOUS WEEDS 3.1 Introduction to Noxious Weeds Most noxious weed species in Colorado were introduced, mostly from Eurasia, either unintentionally or as ornamentals that established wild populations. These plants compete aggressively with native vegetation and tend to spread quickly because the environmental factors that normally control them are absent. Disturbed soils, altered native vegetation communities, and areas with increased soil moisture often create prime conditions for weed infestations. The primary vectors that spread noxious weeds include humans, animals, water, and wind. The Colorado Noxious Weed Act (State of Colorado 2005) requires local governing bodies to develop noxious weed management plans. Both the State of Colorado and Garfield County maintain a list of plants that are considered to be noxious weeds. The State of Colorado noxious weed list (2013) segregates noxious weed species based by priority for control: 1. List A species must be eradicated whenever detected. 2. List B species spread should be halted; may be designated for eradication in some counties. WestWater Engineering Page 2 of 8 September 2013 3. List C species are widespread and the State will assist local jurisdictions which choose to manage those weeds. The Garfield County Weed Advisory Board has compiled a list of 21 plants from the State list considered to be noxious weeds within the county (Appendix A). The Garfield County Weed Advisory Board has duties to: 1. Develop a noxious weed list; 2. Develop a weed management plan for designated noxious weeds; and, 3. Recommend to the Board of County Commissioners that identified landowners submit an integrated weed management plan for their properties (Garfield County 2002). 3.2 Observations Weed species listed by the State of Colorado (2013) and Garfield County (2013) detected in the project area include cheatgrass (Bromus tectorum — State C List), bulbous bluegrass (Poa bulbosa — State C List), musk thistle (Carduus nutans — State B List), and Russian knapweed (Acroptilon repens — State B List). (Figure 1). Due to broad distribution, cheatgrass and bulbous bluegrass locations were not individually mapped. Locations of individual noxious weed locations are available from WestWater upon request. In areas where soil disturbances have created growing conditions that favor non-native vegetation, several unlisted nuisance weed species are present. These plants can negate revegetation efforts and cause financial losses due to decreased seeding success and associated costs of replanting. The presence of these plants creates increased competition for resources and can negatively affect desirable native plant species. Plants in this category observed or known to exist in the project area include kochia (Bassia scoparia), Russian thistle (Salsola spp.), flixweed (Descurania sophia), tumble mustard (Sisybrium spp.), and yellow sweet clover (Melilotus officinalis). 3.3 Integrated Weed Management Control of invasive species is a difficult task and requires intensive on-going control measures. Care must be taken to avoid negatively impacting desirable plant communities and inviting infestation by other pioneer invaders. Weed management is best achieved by employing varied methods over several growing seasons, including inventory (surveys), direct treatments, prevention through best management practices, monitoring of treatment efficacy, and subsequent detection efforts. Weed management is often limited to controlling existing infestations and prevention of further infestations, rather than eradication, but through effective weed management practices eradication can be possible in small to medium sized weed populations. Assessment of the existence and extent of noxious weeds in an area is essential for the development of an integrated weed management plan. This report provides an initial assessment of the occurrence of noxious weeds for the project area. In order to continue effective management of noxious weeds, further inventory and analysis is necessary to 1) determine the effectiveness of the past treatment strategies; 2) modify the treatment plan, if necessary; and 3) detect new infestations early, which would result in more economical and effective treatments. 3.4 Prevention of Noxious Weed Infestations Weed management can be costly, and heavy infestations may exceed the economic threshold for practical treatment. Prevention is an especially valuable and economical strategy for noxious weed management. Several simple practices should be employed to prevent weed infestations. The following practices will prevent infestation and thereby reduce costs associated with noxious weed control: • Prior to delivery to the site, all equipment and vehicles, including maintenance vehicles, should be thoroughly cleaned of soils from previous sites which may be contaminated with noxious weeds. WestWater Engineering Page 3 of 8 September 2013 • If working in sites with weed -seed contaminated soil, equipment should be cleaned of potentially seed -bearing soils and vegetative debris at the infested area prior to moving to uncontaminated terrain. • Avoid driving vehicles through areas where weed infestations exist. • Use of weed seed free materials such as mulch and seed. 3.5 Treatment and Control of Noxious Weed Infestations Treatment methods and timing will best be determined by BBC's contracted licensed pesticide applicators. The recommendations provided in this report should be considered when developing annual treatment plans. General control methods for the species detected in the project area are provided for reference in Table 2. Table 2. General noxious weed control methods for species in the project area. Common Name Scientific Name USDA Symbol Type* Control Methods Bulbous bluegrass Poa bulbosa POBU P Prevent seed production; deplete energy reserves in underground bulbs. Apply herbicide from fall to spring to plants not more than 6" tall. Some herbicides can be applied as a pre -emergent treatment in the fall. Tillage in the spring can be effective in some areas. Seed with competitive grasses. Cheatgrass Bromus tectorum BRTE A Prevent seed production. Apply herbicides in fall and spring in large monocultures where there are few if any desirable grasses. Till when plants are in the seedling stage followed by seeding with native cool -season grasses. Avoid overgrazing. Best management practices are most effective in preventing and controlling infestations. Musk thistle Carduus nutans CANU B Prevent seed production. Herbicide application or mechanical removal when plants are in the rosette stage, spring or summer. Before spraying, remove and bag flower or seed heads from plants that have bolted. Sever root at least 2" below soil level. Biological control agents are available but ineffective in populations less than 5 acres in size. Russian knapweed ilon repens AcroptACRE p Prevent seed production, deplete energy reserves in roots. Use an herbicide that translocates to the root system. Apply herbicides in the fall for best results; spring treatment when flowers just start to open is also effective. * Type: A = annual; B = biennial; P = perennial; Bold = Garfield County List 3.6 Recommended Treatment Strategies The following treatment strategies are presented for reference. It is important to know whether the weed species being managed is an annual, biennial, or perennial to select strategies that effectively control and eliminate the target. Treatment strategies vary depending on plant type, which are summarized in Tables 3 and 4. Herbicides should not always be the first treatment of choice when other methods can be effectively employed. WestWater Engineering Page 4 of 8 September 2013 Table 3. Treatment Strategies for Annual and Biennial Noxious Weeds Target: Prevent Seed Production 1. Hand grub (pull), hoe, till, cultivate in rosette stage and before flowering or seed maturity. If flowers or seeds develop, cut and bag seed heads. 2. Cut roots with a spade 2"-3" below soil level. 3. Treat with herbicide in seedling, rosette or bolting stage, before flowering. 4. Mow biennials after bolting stage but before seed set. Mowing annuals will not prevent flowering but can reduce total seed production. (Sirota 2004) Table 4. Treatment Strategies for Perennials Target: Deplete nutrient reserves in root system, prevent seed production 1. Allow plants to expend as much energy from root system as possible. Do not treat when first emerging in spring but allow growth to bud/bloom stage. If seeds develop cut and bag if possible. 2. Herbicide treatment at bud to bloom stage or in the fall (recommended after August 15 when natural precipitation is present). In the fall plants draw nutrients into the roots for winter storage. Herbicides will be drawn down to the roots more efficiently at this time due to translocation of nutrients to roots rather than leaves. If the weed patch has been present for a long period of time another season of seed production is not as important as getting the herbicide into the root system. Spraying in fall (after middle August) will kill the following year's shoots, which are being formed on the roots at this time. 3. Mowing usually is not recommended because the plants will flower anyway, rather, seed production should be reduced. Many studies have shown that mowing perennials and spraying the regrowth is not as effective as spraying without mowing. Effect of mowing is species dependent therefore it is imperative to know the species and its basic biology. Timing of application must be done when biologically appropriate, which is not necessarily convenient. 4. Tillage may or may not be effective or practical. Most perennial roots can sprout from pieces only 0.5 inch — 1.0 inch long. Clean machinery thoroughly before leaving the weed patch. 5. Hand pulling is generally not recommended for perennial species unless you know the plants are seedlings and not established plants. Hand pulling can be effective on small patches but is very labor intensive because it must be done repeatedly. (Sirota 2004) Some weeds, particularly annuals and biennials, can develop resistance to herbicides. The ability to quickly develop immunity to herbicides, especially when they are used incorrectly, makes it imperative to use the proper chemicals at the correct time in the specified concentration according to the product label. Excessive application, either in frequency or concentration, can result in top kill without significantly affecting the root system. Repeated excessive applications may result in resistant phenotypes. 3.7 Noxious Weed Management — Best Management Practices Construction: The following practices should be adopted for any construction project to reduce the costs of noxious weed control and aid in prevention efforts. The practices include: • Prior to delivery to the site, equipment should be cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds. • Equipment and material handling should be done on established sites to reduce the area and extent of soil compaction. • In all cases, temporary disturbance should be kept to an absolute minimum. WestWater Engineering Page 5 of 8 September 2013 • Top soil, where present, should be segregated from deeper soils and replaced as top soil on the final grade, a process known as live topsoil handling. • If stored longer than one growing season, topsoil stockpiles should be seeded with non-invasive sterile hybrid grasses. • Wetland vegetation, if encountered, should be live handled like sod, temporarily watered if necessary, and placed over excavated sub -soil relative to the position from which the wetland sod was removed. • Cut-off collars should be placed on all wetland and stream crossings to prevent back washing (seed vector) and to ensure that soil moisture conditions are not impacted after construction so that native plants can re-establish from the existing seed bank. • If working in weed infested sites, equipment should be cleaned of potentially seed -bearing soils and vegetative debris prior to moving to uncontaminated terrain. • After construction, disturbed areas outside the footprint of the development should be immediately reseeded with an appropriate seed mix. Herbicides: Many of the listed noxious weed species in Colorado can be controlled with commercially available herbicides. Annual and biennial weeds are best controlled at the pre -bud stage after germination or in the spring of the second year. Selective herbicides are recommended to minimize damage to desirable grass species. It is important that applicators adhere to concentrations specified on herbicide containers. Herbicides generally do not work better at higher concentrations. Herbicide failures are frequently related to high concentrations that result in top kill before the active ingredient can be transported to the roots through the nutrient translocation process. If directed on the herbicide label, a surfactant or other adjuvant should be added to the tank. Grazing: In the event grazing is allowed in the project area, it should be deferred in reclaimed areas until revegetation of desirable species has been successfully established and seeded plants have had opportunity to reproduce. Monitoring: Areas where noxious weed infestations are identified and treated should be inspected over time to ensure that control methods are working to reduce and suppress the identified infestation. The sites should be monitored until the infestations are eliminated. These inspections can then be used to prioritize future weed control efforts. 3.8 Commercial Applicator Recommendations A certified commercial pesticide applicator licensed in rangeland and/or right-of-way/industrial weed control (depending on site characteristics) is a necessary choice for herbicide control efforts. An applicator has the full range of knowledge, skills, equipment, and experience desired when dealing with tough noxious weeds. In addition, the purchase and use of restricted use herbicides requires a Colorado pesticide applicator license. 4.0 REVEGETATION — RECLAMATION Successful reclamation of the project area is dependent upon soil type and texture, slope gradient and aspect, proper weed control, available water, and revegetation with suitable plant species. Site-specific reclamation plans should be developed with a qualified reclamation contractor. Reclamation services using multiple seed bin range drills and specialized equipment is available and should be used for reclamation seeding projects. In areas with slope greater than three percent or where laminar flows from runoff could affect reseeding success, imprinting of the seed bed is recommended. Imprinting can be in the form of dozer tracks or WestWater Engineering Page 6 of 8 September 2013 furrows perpendicular to the direction of slope. When utilizing hydro -seeding followed by mulching, imprinting should be done prior to seeding unless the mulch is to be crimped into the soil surface. If broadcast seeding and harrowing, imprinting should be done as part of the harrowing. Furrowing can be done by several methods, the most simple of which is to drill seed perpendicular to the direction of slope in a prepared bed. Other simple imprinting methods include deep hand raking and harrowing, always perpendicular to the direction of slope. A potentially beneficial alternative method to enhance reclamation success, particularly where there is poor or destroyed topsoil, is the application of vesicular-arbuscular mycorrhizal fungi (AMF). These fungi, mostly of the genus Glomus, are symbiotic with about 80 percent of all vegetation. Endo- mycorrhizal fungi are associated mostly with grasses and forbs and could be helpful in reclamation. In symbiosis, the fungi can increase water and nutrient transfer capacity of the host root system (Barrow and McCaslin 1995). Over-the-counter commercial products are available, and the best products should contain more than one fungus species. Compacted soils respond well to fossilized humic substances and by-products called humates. These humates, including humic and fulvic acids and humin were formed from pre -historic plant and animal deposits and can benefit reclamation efforts on compacted soils when applied as directed. 5.0 REFERENCES Barrow, J. R., and Bobby D. McCaslin. 1995. Role of microbes in resource management in arid ecosystems. In: Barrow, J. R., E. D. McArthur, R. E. Sosebee, and Tausch, R. J., comps. 1996. Proceedings: shrubland ecosystem dynamics in a changing environment. General Technical Report, 1NT-GTR-338, Ogden, Utah: U.S. Department of Agriculture, U.S. Forest Service, Intermountain Resource Station, 275 pp. CWMA. 2007. S. Anthony, T. D'Amato, A. Doran, S. Elzinga, J. Powell, I. Schonle, K. Uhing. Noxious Weeds of Colorado, Ninth Edition. Colorado Weed Management Association, Centennial. Garfield County. 2002. Garfield County Vegetation Management and Garfield County Weed Advisory Board. Garfield County Noxious Weed Management Plan, Resolution #2002-94, October 21. Kershaw, L., A. MacKinnon, and J. Pojar. 1998. Plants of the Rocky Mountains. Lone Pine Publishing, Auburn, Washington. NRCS. 2013. Web Soil Survey, U.S. Department of Agriculture, Natural Resource Conservation Service, URL: http://websoilsurvey.nrcs.usda.gov Sirota, Judith M. 2004. Best management practices for noxious weeds of Mesa County. Colorado State University, Cooperative Extension Tri River Area, Grand Junction, Colorado.URL: http://www.coopext.colostate.edu/TRA/Weeds/weedmgmt.html State of Colorado. 2005. Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act, 35-5-1-119, C.R.S. 2003. Department of Agriculture, Plant Industry Division, Denver, 78 pp. State of Colorado. 2013. Noxious weed list. Department of Agriculture. Available online: http://www.colorado.gov/cs/Satellite/ag_Conservation/CBON/ 125161887443 8 Weber, William A , and Ronald C. Wittmann 2012. Colorado Flora, Western Slope. Fourth Edition, University Press of Colorado, Boulder. Whitson, T. D. (editor), L. C. Burrill, S. A. Dewey, D. W. Cudney, B. E. Nelson, R. D. Lee and R. Parker. 2001. Weeds of the West — 9th edition. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie. WestWater Engineering Page 7 of 8 September 2013 I; r� e It r f• r r r. .# 1. •i„ ea f / V7 se; Legend O Musk thistle * Russian knapweed Laydown Yard 30 Meter Weeds Survey Area BLM Figure 1 Bill Barrett Corporation Epperly Laydown Yard Integrated Vegetation and Noxious Weeds Management Plan WestWater Engineering Consulting Engineers & Scientists 0 0.035 007 Miles September 2013 ,: Source Z+Bill Barrett Corporation+Epperly Laydown Yard\GISlFigore 1 IVNWMPmnd 915:2013 r00 Appendix A Garfield County Noxious Weed List Species Common name Species Code Growth Form Life History State Listing Acroptilon re ens p p Russian knapweed ACRE3 Forb Perennial B Aegilops cylindrica Jointed goatgrass AECY Grass Annual B Arctium minus Common (Lesser) burdock ARMI2 Forb Biennial C Cardaria draba Hoary cress, Whitetop CADR Forb Perennial B Carduus acanthoides Spiny plumeless thistle CAAC Forb Biennial / Winter Annual B Carduus nutans Musk (Nodding plumeless) thistle CANU4 Forb Biennial B Centaurea diffusa Diffuse knapweed CEDI3 Forb Perennial B Centaurea maculosa Spotted knapweed CEMA4 Forb Perennial B Centaurea solstitialis Yellow starthistle CESO3 Forb Annual A Chrysanthemum leucanthemum Oxeye daisy CHLE80 Forb Perennial B Cichorium intybus Chicory CIIN Forb Perennial C Cirsium arvense Canada thistle CIAR4 Forb Perennial B Cynoglossum officinale Houndstongue, Gypsyflower CYOF Forb Biennial B Elaeagnus angustifolia Russian olive ELAN Tree Perennial B Euphorbia esula Leafy spurge EUES Forb Perennial B Linaria dalmatica Dalmatian toadflax, broad- leaved LIDA Forb Perennial B Linaria vulgaris Yellow toadflax LIVU2 Forb Perennial B Lythrum salicaria Purple loosestrife LYSA2 Forb Perennial A Onopordum acanthium Scotch thistle ONAC Forb Biennial B Tamarix parviflora Smallflower tamarisk TAPA4 Tree Perennial B Tamarix ramosissima Salt cedar, Tamarisk TARA Tree Perennial B WestWater Engineering Appendix A-1 September 2013 REPORT ON THE CLASS I CULTURAL RESOURCES INVENTORY FOR THE CIRCLE B LAND LAYDOWN YARD IN GARFIELD COUNTY, COLORADO FOR BILL BARRETT CORPORATION Declaration of Negative Findings GRI Project No. 2013-47 08 July 2013 Prepared by Carl E. Conner, Principal Investigator, and Min Huei Grand River Institute P.O. Box 3543 Grand Junction, Colorado 81502 BLM Antiquities Permit No. C-52775 Submitted to the Board of County Commissioners Garfield County, Colorado Abstract At the request of the Bill Barrett Corporation, Grand River Institute (GRI) conducted a Class I cultural (historic and archaeological) resources inventory for the proposed Circle B Land Laydown Yard. The project is located east of Hunter Mesa, between Dry Hollow Creek and Divide Creek, and it is approximately 3 miles southeast of the town of Silt in Garfield County, Colorado. A ten acre area of private land with some existing disturbance was inventoried at a Class I level. This work was undertaken to ensure the project's compliance with county regulations governing the identification and protection of cultural resources on privately owned lands that will be affected by a government action. This work was performed under Bureau of Land Management (BLM) Antiquities Permit No. C-52775. The purpose of this cultural resources investigation was to identify previously recorded resources within or near the project area that may be adversely affected by the proposed action. The Class I files search and report preparation were performed on the 3rd and 8th of July 2013. As a result of the files search it has been determined that no inventories have been conducted and no cultural resources recorded within the proposed construction area which is approximately 10 acres. Twenty inventories have been conducted and thirty-five cultural resources have been recorded within a one mile radius of the proposed project area. Six inventories have been conducted within a 0.5 mile radius of the project area. The nearest known cultural resources are within less than a mile of the study area and five of these; 5GF4478, 5GF4482, 5GF4483, 5GF4484, and 5GF4485, have been determined eligible for nomination to the National Register of Historic Places by the State Historic Preservation Officer in 2011. If the proposed Laydown Yard (totaling approximately 10 acres) is designed to be contained in previously disturbed areas on the ridge top and avoids impacting undisturbed pinyon juniper woodland this project will have no effect on eligible or potentially eligible cultural resources as known resources are located outside of the area of proposed impact and significant cultural resources are unlikely to occur within the environmental setting of the project area. ii TABLE OF CONTENTS Introduction 1 Location of the Project Area. 1 Environment. 1 Paleoclimate 3 Cultural Background. 3 Files Search Results 7 Report Results . 9 Summary and Recommendations. 12 References. 13 LIST OF FIGURES AND TABLES Figure 1. Project location map . 2 Table 1. List of cultural resources recorded within approximately a one mile radius of the project area. 9 Table 2. List of surveys previously conducted within a mile of the proposed project area .. 10 iii Introduction At the request of the Bill Barrett Corporation, Grand River Institute (GRI) conducted a Class I cultural (historic and archaeological) resources inventory for the proposed Circle B Land Laydown Yard. A ten acre area of private land with some existing disturbance was inventoried at a Class I level. This work was performed under BLM Antiquities Permit No. C-52775. This work was undertaken to ensure the project's compliance with county regulations governing the identification and protection of cultural resources on privately owned lands that will be affected by a government action. The purpose of this cultural (historic and archaeological) resources investigation was to identify previously recorded resources within or near the project area that may be adversely affected by the proposed action. Such resources tend to be localized and highly sensitive to disturbance. All work was performed according to guidelines set forth by the Office of Archaeology and Historic Preservation (OAHP) of the Colorado Historical Society. Location of the Project Area The project is located east of Hunter Mesa, between Dry Hollow Creek and Divide Creek, approximately 3 miles southeast of the town of Silt in Garfield County, Colorado. Actual project design is not finalized and the study area is represented by a ten acre block with a location estimated by the applicant as near the barn in the center of the parcel. It is located on private land in T.6 S., R.92 W., Section 23; 6th P.M. (Figure 1). Environment The project area is located within a large northwest -southeast trending structural downwarp known as the Piceance Creek Basin, a major geological subdivision of Colorado. Subsidence of the Basin probably began some 70 million years ago, with the onset of the Laramide Orogeny during Late Cretaceous times, and continued until the Late Eocene (Young and Young 1977: 46). During this period of roughly 25 million years, the Basin received as much as 9000 feet of Tertiary stream and lake deposits, all of which gently dip toward the center of the downwarp. Landslide Deposits, Older Gravels and Alluviums, and the Wasatch Formation occur in the general area; the proposed project area is underlain by Broadway and Louviers Alluviums of the Pinedale and Bull Lake Age Gravels and Alluviums. Elevation of the project is approximately 5920 feet, which falls within the Upper Sonoran Zone. Sagebrush/grassland community covers large portions of the mesa and merges with greasewood and saltbush toward Mamm Creek. Sagebrush can support a variety 1 FOR OFFICIAL USE ONLY: DISCLOSURE OF SITE LOCATIONS IS PROHIBITED (43 CFR 7.18) s 'ea f bl ,rc Silt [1962/1987], New Castle [1962/1987] and Hunter Mesa [1963/1987] Quadrangle Maps Garfield County, Colorado ArcMap GIS DRG from USGS 7.5 minute series (topographic) Scale: 1:24,000 Contour interval: 40 feet I y T. 6 S., R. 92 W., 6th P.M. NAD83 Zone 13 'i ?,*,,,Ar -17 --- 1,00,0A# r4e/r a /O� Class I Results 2 J 0.25 0.5 Miles Circle B Land LaydownYard New Parcel - 35.013 ac. OAHP Class III Survey BLM Figure 1. Project location map of the Class 1 cultural resources inventory for the Circle B Land Laydown Yard location in Garfield County, Colorado for Bill Barrett Corporation. The area researched for cultural resources is indicated. [GRI #2013-47, 7/8/2013] 2 of grasses and herbaceous species, but here the community has been reduced to sagebrush, prickly pear cactus, and cheatgrass. Other species present are galleta, Indian ricegrass, needle -and -thread grass, gilia, larkspur, and wild four o'clock. These communities support a variety of wildlife species although the present day land use of the project area (including energy development, grazing, ranching and farming) has pushed most large mammals into the surrounding mountains. There, mule deer, elk, coyote, and black bear are common, as are cottontail rabbits, beavers, and various rodents. Mountain lion, bobcat, fox, skunk, badger, and weasel are also likely inhabitants. Bird species observed in the area include the jay, raven, red -shafted flicker, long-eared owl, and various raptors. Present land use includes energy development, open range for domestic animals, and modern hunting. Climatically, these relatively low elevations are host to a cool semiarid climate where temperatures can drop to -10 degrees F during the winters and summer temperatures may reach 100 degrees F; there is a maximum of 140 frost free days and the annual precipitation is about 10 inches. The surrounding higher elevations are characterized as cooler and moister. Annually, the high mountain temperatures could average 5 degrees cooler and the precipitation as much as 14 inches greater that the surrounding low elevations (USDA SCS 1978:244). Paleoclimate Relatively small changes in past climatic conditions altered the exploitative potential of an area and put stress upon aboriginal cultures by requiring adjustments in their subsistence patterns. Therefore, reconstruction of paleoenvironmental conditions is essential to the understanding of population movement and cultural change in prehistoric times (Euler et al. 1979). To interpret whatever changes are seen in the archaeological record, an account of fluctuations in past climatic conditions must be available or inferences must be made from studies done in the surrounding area. Generally, only gross climatic trends have been established for western North America prior to 2000 BP (Antevs 1955; Berry and Berry 1986; Madsen 1982; Mehringer 1967; Peterson 1981; Wendlund and Bryson 1974). Scientific data derived from investigations of prehistoric cultures and geoclimatic and bioclimatic conditions on the southern Colorado Plateau over the past two millennia have achieved a much greater degree of resolution (Dean et al. 1985). Cultural Background Cultural resources investigations in the region have yielded surface diagnostic artifacts and excavated cultural materials consistent with the regional cultural history. Evidence provided by chronometric diagnostic artifacts and radiocarbon analyses indicate 3 regional occupation during the Paleoindian, Archaic, Formative, and Protohistoric Eras. Historic records indicate occupation or use of the region by EuroAmerican trappers, settlers, miners, and ranchers as well. Overviews of the prehistory and history of the region are provided in the Colorado Council of Professional Archaeologists' publications entitled "Colorado Prehistory: A Context for the Northern Colorado River Basin" (Reed and Metcalf 1999), and "Colorado History: A Context for Historical Archaeology" (Church et al. 2007). Region Cultural Assessment Previous archaeological studies in the general vicinity have suggested regional occupation for as long as 8000 years, although recently an inventory of block units east of this study area within the Doghead GAP (Conner et al. 2006) provided direct evidence of the presence of Foothill -Mountain Paleoindian occupation at 5GF1323, which pushes the regional prehistoric occupation dates back to about 10,000 yr BP. Historic records also indicate a permanent Euro -American presence in the region began as early as the late 1880's. Notably, the prehistoric sites in the river corridor have been impacted by the 130 year occupation and use of the area by EuroAmericans. Many of the newly and previously recorded resources in the general area indicate it was intensively occupied during the Protohistoric Era. Unfortunately many of the sites where wickiups were present, post -cutting and wood collection by the Historic EuroAmerican settlers and ranchers over the past 125 years has nearly wiped out evidence of their presence. Also, surface collection of diagnostic artifacts has impacted the sites and affected the assignment of cultural/temporal associations. In general, although the study area was probably not continuously occupied prehistorically, it seems to have offered an attractive environment for gathering, floral processing, hunting, as well as lithic procurement and processing. Site density in the surrounding mesa areas is high, probably due to two factors: good access to permanent water, and strategic topographical positioning on the ridge tops and open benches. Such camp placement provided a good view of the surrounding lower elevations for purposes of hunting and protection. The heavily vegetated canyon bottoms were accessed for reasons of acquiring water and for the procurement of floral and faunal resources. The apparent differences in the characteristics of the upland and lowland sites may be due to factors other than cultural selection. The lowland sites are subjected to more artifact collecting than the uplands, and the areas along the Colorado River have been subject to few cultural resource surveys. The upland area exhibits a very thick vegetation cover that may be limiting discovery of features and additional artifacts. Lowland sites exhibit greater variability in site types. While the uplands are limited to isolated finds, open camps, and lithic scatters; the lowlands contain these site types and open architectural sites, sheltered sites, and a single tool stone procurement area. The lowland sites contain higher frequencies of cultural features or evidence of features. These features include fire -cracked rock scatters, charcoal stains, hearths, stone structures, and wickiups. All of the prehistoric sites contain low numbers of artifacts, including very limited numbers of debitage, 4 bifacial tools and expedient tools. This suggests conservation, curation, and reuse of flaked stone tools in an area where tool material sources are limited. Lowland sites tend to be situated in the pinyon juniper vegetation community in greater frequencies than is suggested by the relative proportion of the pinyon juniper to other vegetation communities. The sites in the uplands are distributed proportionally to the size of the vegetation communities, with the mountain shrub and sagebrush communities exhibiting the highest site density. Too little is known of the age of the sites to make any definitive statements. The distribution of site ages based on projectile points and ceramics is generally the same as portrayed in Reed and Metcalf (1999), but the lack of absolute dating precludes any conclusions in this area. Lithic scatters exhibit a smaller site size than open camps in both the lowland and upland settings. Isolated finds are distributed across a wider range of slopes than lithic scatters or open camps. The differences in the type and distribution of historic sites are: Sites in the uplands are limited to sheep and cattle raising activities and are primarily post -1889. Sites in the uplands are distributed proportionally to the size of the vegetation communities, with the mountain shrub and sagebrush communities exhibiting the highest site density. Sites in the lowlands display a greater diversity in types and are found mainly in the pinyon juniper and sagebrush zones. The historic sites in the lowlands are concentrated near transportation corridors and near permanent water sources, particularly the habitation sites. Sites indicative of particular economic activities are spread across the landscape. During 1980, the BLM 's Glenwood Springs Resource Area was subject to an archaeological survey that randomly sampled three percent of its managed lands. A total of 17,400 acres was surveyed for cultural resources. As a result, 58 prehistoric sites and 2 historic sites were recorded, an average of about 2 sites per section (.0034/acre). Three types of prehistoric sites were distinguished by the study; limited activity areas, short-term camps, and large habitation sites. These were classified on the basis of site size and the diversity of artifacts/activities represented. Notably, the sites were unevenly distributed and varied by vegetation community. The highest site density, about 5.0 sites/section (.0078/acre), occurred in pinyon/juniper and sagebrush communities. Concurrently, the greatest number of sites located during the survey tended to occur in or near the pinyon/juniper community. Other environmental factors found to be important during the statistical analysis of the settlement patterns included 1) vertical distance between the site and the primary water source is a greater controlling factor that the horizontal distance, 2) sites tend to be near or on points of vantage, 3) sites tend to be located in forested areas, preferably with a southern exposure and, 4) sites tend to occur on flat ground (less than 40% grade) in areas of relatively low surface relief (Burgess et al. 1980:108-120, 138-139). In general, the region exhibits a relatively low site density and sites tend to cluster near permanent water sources. 5 Relevant Historical Background post -1880 The Ute people occupied large areas of Western Colorado until about 1881. Due to the White River Ute's discontent that lead to the "Meeker Massacre," as the incident became known, a congressional investigation lead to the Treaty of 1880 that stipulated the removal of the White River bands to the Uintah Reservation in northeastern Utah. The Uncompahgre band was to be given a small reservation in the vicinity of the confluence of the Colorado and Gunnison Rivers. Aware of the value of these agricultural lands, however, the commission charged with enforcing the terms of the treaty, under the direction of Otto Mears, manipulated the location process using a loophole in the treaty language, and the Uncompahgres were given lands in Utah near the Uintah Reservation. The Southern Ute bands were left on the small reservation in southwestern Colorado that had been given them by the Treaty of 1873. On 1 September 1881, the last of the Utes were moved to their new reservations in Utah, and western Colorado was completely opened to the whites. Interest in the potential agricultural lands of western Colorado (namely the Uncompahgre, Gunnison, Colorado, Dolores, San Miguel, White, and La Plata River valleys) had been growing for some time prior to the Utes' banishment, and by the spring of 1881 frontier towns closest to the Ute lands were "crowded with people, anxious to enter the Reservation and take possession of the most desirable locations (Haskell 1886:2)." Only days after the last of the Utes had been expelled, settlers began rushing onto the reservation lands. Settlement activity spread quickly --during the autumn months of 1881 land claims were staked, townsites were chosen, and railroad routes were surveyed (Haskell 1886, Borland 1952, Rait 1932). However, because the former reservation lands were not officially declared public lands until August 1882, the first year of settlement activity was marked by a degree of uncertainty regarding the legality of land claims. When finally announced, the 1882 declaration did not allow home -stead entries on the newly opened lands, but only pre- emptions, or cash entries, at the rate of $1.25 per acre for agricultural land, $5.00 per acre for mineral land (Borland 1952:75). By 1895, the major portion of the land along Mamm Creek had been claimed, mostly under Cash Entry patents. The settlers raised their own food and availed themselves of the plentiful game in the area. Gardens, hay fields, and orchards were planted, and irrigation ditches were dug to divert the creek's water to cultivated fields. Large herds of cattle and sheep were accumulating, grazing the valley floor and the vast open range above, driven to the uplands via trails leading up the various gulches. Because the area was still fairly remote, competition for lands had not yet begun. Travel in and out of the Rifle area was restricted to horse and/or wagon. There were several well-developed Ute trails, and in the early 1880s, the federal government had built the aforementioned road between the White and Grand Valleys. In 1885 a toll road opened along the Grand River between Rifle and Grand Junction; prior to the building of this road through DeBeque Canyon, the route to Grand Junction had been a two-week journey "through the 6 Cedar Hills, up Kimball Creek...down the "Sawtooth Range to Fruita and then back to Grand Junction" (Murray 1973:5). But, despite this network of trails and roads, Parachute remained pretty much isolated. With the coming of the D&RG railroad in 1890, however, new pressures were brought to the area. More and more settlers arrived, competing not only for arable land but also for grazing privileges on the unpatented public domain of the surrounding uplands. Increasing numbers of cattle and sheep were imported, some being run as commission cattle for outside investors (ibid:84). Open warfare between cattle and sheep ranchers ensued, resulting in the slaughter of thousands of animals. Four thousand sheep belonging to Messrs. Starkey and Charlie Brown were killed by masked men who tried to drive the animals over cliffs at the head of a Clear Creek tributary and above the Granlee Schoolhouse (LaPoint et al. 1981:3-51). Another 4000 sheep belonging to J.B. Hurlburt were driven to their deaths above Ben Good Creek, a tributary of East Fork. The animosity between cattlemen and sheepmen continued into the 1900s. Finally, Congress passed the Taylor Grazing Act in 1934, bringing to an end to the free range by providing for regulated grazing and an end to the Sheep -Cattle Wars. Cash Entry, Desert Land, and Homestead patents continued to be granted into the 1920s and 30s. Ranching and farming were still the most important economic activities in the Parachute area and remained so until the 1960s and 1970s when many of the farms and ranches of the region were bought up by large companies interested in the large-scale extraction of oil shale and natural gas. Files Search Results A files search for known cultural resources and inventories within the project area was made through the Colorado Historical Society's Office of Archaeology and Historic Preservation on July 3rd and 81.1', 2013. The search revealed that no cultural resources or inventories have been identified or conducted within the project area. However, within approximately one mile of the project area, thirty-five cultural resources have been recorded and twenty inventories have been conducted (Tables 1 and 2). Three inventories have been conducted within 0.25 miles of the project area with negative results. Two of these are immediately adjacent to the project area; both are small linear projects along the road (MC.LM.R16 and GF.LM.R60). One 40 acre block survey (GF.LM.R306) is to the south of the road and it is overlapped by another 40 acre block in 2011 (GF.LM.R524) by approximately 50 percent resulting in a resurvey of approximately 18 acres. A prehistoric isolated find, 5GF4555, was recorded on that survey. 7 The nearest inventory with positive findings is located approximately 400 meters to the north. This block survey was conducted by Metcalf Archaeological Consultants, Inc. on behalf of Bill Barrett Corporation for the BLM Colorado River Valley Field Office in September 2010 with a report submitted in January 2011 (GF.LM.R500). This survey, located at the same elevation and aspect as the current study area, demonstrated a high density of cultural resources, one cultural resource per eight acres. Resources include three Ute open architectural sites (5GF4478, 5GF4482, and 5GF4485), two prehistoric open camps (5GF4484 and 5GF4483), and an open lithic (5GF4472). Site 5GF4483 is of interest, as it was recorded as a multi component site. With a late historic Ute component the historic artifacts normally attributed to EuroAmerican occupation may actually have been used by Utes. In addition, eight prehistoric isolated finds and one historic isolated find were recorded. The historic isolated find, 5GF4473, is of interest as it is described as a piece of flaked glass. This may result from damage to the glass fragment as a result of cattle or other large ungulate grazing, but this use wear could also be attributed to the use of the glass by Ute Indians as a temporary tool. The next closest survey with positive findings is located approximately 800 meters to the northwest. This block survey was conducted by Grand River Institute on behalf of Bill Barrett Corporation for the BLM Colorado River Valley Field Office in November 2011 with a report submitted in December 2011 (GF.LM.R520). This survey, located at the same elevation and aspect as the current study area, demonstrated a lower density of cultural resources, one cultural resource per eight acres with only five prehistoric isolated finds recorded. The environmental setting of this block survey more closely resembles the study area, the ridges are broad and are either disturbed grassland or sparse sagebrush, there is not as much old growth pinyon juniper woodland, and the ridges do not overlook major drainages. A search of the 1888 survey plat (Document No. 178370) from the Bureau of Land Management General Land Office records for the subject area yielded no likely locations for additional cultural resources. 8 Table 1. List of cultural resources previously recorded within approximately one mile of the project area. [sections 13, 14, 15, 22, 23, 24, 25, 26, 27] `Site ID Resource Site Type Date NRHP Assessment Project ID 5GF.251 Prehistoric Open Camp 05/01/78 Not Eligible - Field MC.R.R24 5GF.1641 Historic Ditch 06/25/93 Not Eligible - Officially GF.LM.R60 5GF.1643 Historic Ditch 06/25/93 Not Eligible - Officially GF.LM.R60 5GF.1643.1 Historic Ditch 06/16/09 Not Eligible - Officially GF.LM.R457 5GF.2792 Prehistoric Rock Art 09/09/91 Not Eligible - Field n/a 5GF.3837 Prehistoric [F - mano 04/26/06 Not Eligible - Field GF.LM.R378 5GF.3838 Prehistoric [F - mano 04/26/06 Not Eligible - Field GF.LM.R378 5GF.4017.1 Historic Ditch 04/26/07 Not Eligible - Officially GF.LM.R376 5GF.4018.1 Historic Ditch 04/26/07 Needs Data - Officially GF.LM.R376 5GF.4019.1 Historic Ditch 04/26/07 Needs Data - Officially GF.LM.R376 5GF.4312 Historic [F- farm 11/24/08 Not Eligible - Field GF.LM.R437 5GF.4313 Historic [F -glass 11/24/08 Not Eligible - Field GF.LM.R437 5GF.4470 Prehistoric [F-groundstone 09/28/10 Not Eligible - Field GF.LM.R500 5GF.4471 Prehistoric [F-grdstn, flake 09/28/10 Not Eligible - Field GF.LM.R500 5GF.4472 Prehistoric Open Lithic 02/14/11 Not Eligible - Officially GF.LM.R500 5GF.4473 Historic [F- flaked glass 09/30/10 Not Eligible - Field GF.LM.R500 5GF.4475 Prehistoric [F -tool, flake 09/28/10 Not Eligible - Field GF.LM.R500 5GF.4476 Prehistoric [F -core 09/28/10 Not Eligible - Field GF.LM.R500 5GF.4477 Prehistoric [F -flake 09/28/10 Not Eligible - Field GF.LM.R500 5GF.4478 Ute Open Archit. 02/14/11 Needs Data - Officially GF.LM.R500 5GF.4479 Prehistoric [F -flake 09/30/10 Not Eligible - Field GF.LM.R500 5GF.4480 Prehistoric [F -flake 09/30/10 Not Eligible - Field GF.LM.R500 5GF.4481 Prehistoric [F -flake 09/30/10 Not Eligible - Field GF.LM.R500 5GF.4482 Lite Open Archit. 02/14/11 Eligible - Officially GF.LM.R500 5GF.4483 MultiComp Open Camp 02/14/11 Eligible - Officially GF.LM.R500 5GF.4484 Prehistoric Open Camp 02/14/11 Eligible - Officially GF.LM.R500 5GF.4485 Ute Open Archit. 02/14/11 Eligible - Officially GF.LM.R500 5GF.4554.10 Historic Trans. Line 08/09/12 Supports - Linear MC.LM.R639 5GF.4555 Prehistoric [F -flake 07/07/11 Not Eligible - Field GF.LM.R524 5GF.4582.1 Historic Ditch 05/15/12 Supports - Linear MC.LM.R639 5GF.4645 Prehistoric IF - mano 11/10/11 Not Eligible - Field GF.LM.R520 5GF.4646 Prehistoric IF - mano 11/10/11 Not Eligible - Field GF.LM.R520 5GF.4647 Prehistoric IF - mano, flake 11/10/11 Not Eligible - Field GF.LM.R520 5GF.4648 Prehistoric [F -flake 11/10/11 Not Eligible - Field GF.LM.R520 5GF.4649 Prehistoric [F -core 11/10/11 Not Eligible - Field GF.LM.R520 9 Table 2. List of surveys previously conducted within approximately one mile of the project area. [sections 13, 14, 15, 22, 23, 24, 25, 26, 27] Survey ID: Title: Author: Date: Contractor: GF.FS.NR53 Cultural Resources Inventory Report on the BLM Portion of the Proposed Timberland Resources Pipeline in Garfield County, Colorado Conner, Carl E. 10/06/93 Grand River Institute for the BLM - Grand Junction District GF.LM.NR582 Northern Geophysical Line Seismic # 704- 89MN108 (BLM GSRA 1067) Kight, Bill 06/02/89 White River National Forest, BLM Glenwood Springs Resource Area GF.LM.NR703 Calpine Gibson Gulch 2d Seismic Project: Class III Cultural Resource Inventory of Approximately One-quarter Mile of Seismic Line, Garfield County, Colorado O'brien, Patrick 04/21/04 Metcalf Archaeological Consultants for Calpine Seismic, Inc. and the BLM GF.LM.NR848 Class III Cultural Resource Inventory for a Short Segment (1600 Feet) of the Proposed Eastern Lateral Pipeline in Garfield County, Colorado the Bill Barrett Corporation (GRI No. 2834) (BLM GSFO# 1108-11) bavcnport, Barbara 05/07/08 Grand River Institute for the BLM, Glenwood Springs Field Office GF.LM.NR917 Class III Cultural Resources Inventory for the Proposed Robinson SESE-26-692 Well Location and Related Linear Route in Garfield County, Colorado for Bill Barrett Corporation (GRI No. 2982) Davenport, Barbara 10/05/09 Grand River Institute for the BLM, Glenwood Springs Field Office GF.LM.NR967 Class III Cultural Resources Inventory for Two Blocks Areas Related to the Proposed Robinson SESE-26-692 Well Location in Garfield County, Colorado for the Bill Barrett Corporation (BLM #1112-5) (GRI # 2011-118) Mills, Hannah 11/08/11 Grand River Institute for Bill Barrett Corporation on Behalf of the BLM Colorado River Valley Field Office GF.LM.R306 Class III Cultural Resource Inventory Report for Eleven Proposed Well Locations and Related New Access Road and Pipeline Routes in Garfield County, Colorado for Bill Barrett Corporation (GRI No. 2543) (BLM 1105-15) Martin, Curtis, Carl E. Conner and Nicole Darnell 07/06/05 Grand River Institute for Bill Barrett Corporation and the BLM, Glenwood Springs Field Office GF.LM.R376 Antero Dixon B Well Pad, Access Road and Pipeline: a Class III Cultural Resource Inventory, Garfield County, Colorado (BLM GSFO# 5407-12 NEPA C0140- 2007-102EA) McDonald, Kae 03/01/07 Metcalf Archaeological Consultants for the BLM, Glenwood Springs Field Office GF.LM.R378 Class III Cultural Resource Inventory for the Proposed Platzer 33B-27-692 Well Location and Related Short New Access in Garfield County, Colorado for Bill Barrett Corporation (GRI No. 2645) (BLM GSFO #1106-10) Conner, Carl E. 04/28/06 Grand River Institute for the BLM, Glenwood Springs Field Office 10 Survey ID: Title: Author: Date: i Contractor: GF.LM.R437 Kokopelli Gap McLin Road Addendum: a Class III Cultural Resource Inventory in Garfield County, Colorado (SW08-49) Welch, James M. 12/04/08 Western Land Services for the BLM, Glenwood Springs Field Office GF.LM.R452 Kokopelli Gap, Class III Cultural Resources Inventory of Well Pads and Access Roads, Garfield County, Colorado (WLS 07-116) Weston, Jason D. 05/27/08 Western Land Services for the BLM Glenwood Spring Field Office GF.LM.R457 Class III Cultural Resource Inventory of the McLin Road Project, Garfield County, Colorado Brant, Suzanne 05/27/09 Cultural Resource Analysts for the BLM Glenwood Springs Resource Area GF.LM.R500 Bill Barrett Corporation's Dixon S23T6SR92W Two Pad Project: a Class III Cultural Resource Inventory, Garfield County, Colorado (Original and Addendum) (BLM # 5411-5) Elkins, Melissa 01/01/11 Metcalf Archaeological Consultants, Inc. on Behalf of Bill Barrett Corporation for the BLM Colorado River Valley Field Office GF.LM.R520 Class III Cultural Resources Survey for the Proposed Carlson SESW and NESE Well Locations and Short Accesses in Garfield County, Colorado for Bill Barrett Corporation (Blm # CRVFO 1112-9) Conner, Carl E., Barbara Davenport, and Hannah Mills 12/08/11 Grand River Institute for Bill Barrett Corporation on Behalf of the BLM Colorado River Valley Field Office GF.LM.R524 Class III Cultural Resources Inventory for the Proposed Federal NE NW 692 Well Location in Garfield County, Colorado the Bill Barrett Corporation (BLM # 1111-35) (GRI # 2011-63) Davenport, Barbara 07/18/11 Grand River Institute for Bill Barrett Corporation on Behalf of the BLM Colorado River Valley Field Office GF.LM.R60 A Class III Cultural Resources Inventory of Portions of Nassau Resources' Proposed Rifle Pipelines 1 & 2 in Garfield County, Colorado (S#1234) Shields, Wm. Lane 06/01/93 Metcalf Archaeological Consultants for Nassau Resources, Inc. and the Bureau of Land Management GF.SC.NR16 Garfield Limited Results Cultural Resources Survey Report-Brit McLin Kishimoto, Mike 06/03/09 USDA Natural Resource Conservation Service Para- professional MC.LM.R16 A Cultural Resource Inventory of Northern Geophysical Seismic Explorations near Battlement Mesa, Mesa and Garfield Counties, Colorado (S#1092) Metcalf, Michael D. 10/01/89 Metcalf Archaeological Consultants, Inc. for [northern Geophysical Seismic Explorations Inc. MC.LM.R639 Class III Cultural Resource Inventory Public Service Company of Colorado, Palisade to Shoshone Transmission Line, Garfield and Mesa Counties, Colorado (BLM # CRIR 15911-04) Briggs, Clive and Jessica Gabriel 03/01/12 ERO Resources Corporation for Public Service Company of Colorado on Behalf of the BLM Grand Junction Field Office MC.PA.R66 Archaeological Reconnaissance of the Craig-rifle 345 kV Electrical Transmission Line, Moffat County, Colorado (3-00-77) Jennings, Calvin H. and Kathleen Sullivan 02/01/77 Laboratory of Public Archeology, Colorado State University 11 Summary and Recommendations As a result of the files search no inventories have been conducted and therefore no cultural resources were found to have been previously recorded within the proposed construction area. Six inventories have been conducted within a 0.5 mile radius of the project area. The nearest known prehistoric cultural resources are within less than a mile of the study area and five of these; 5GF4478, 5GF4482, 5GF4483, 5GF4484, and 5GF4485, have been determined eligible for nomination to the National Register of Historic Places by the State Historic Preservation Officer in 2011. If the proposed Laydown Yard (totaling approximately 10 acres) is designed to be contained in previously disturbed areas on the ridge top and avoids impacting undisturbed pinyon juniper woodland this project will have no effect on eligible or potentially eligible cultural resources as known resources are located outside of the area of the proposed impact and significant cultural resources are unlikely to occur within the depositional /environmental setting of the project area. 12 References Antevs, E. 1955 Geologic -climate dating in the west. American Antiquity 20:317-355. Berry, Claudia F. and Michael S. Berry 1986 Chronological and Conceptual Models of the Southwestern Archaic. In: Anthropology of the Desert West, ed. by Carol J. Condie and Don D. Fowler, pp. 253-327. University of Utah Anthropological Papers No. 110. Salt Lake City. Borland, Lois 1952 Ho for the reservation; settlement of the Western Slope. Colorado Magazine 29(1):56-75. Burgess, Robert J.; Kenneth L. Kvamme; Paul R. Nickens, A. Reed; and Gordon C. Tucker 1980 Class II cultural resource inventory report of the Glenwood Springs Resource Area, Grand Junction District, Colorado. Ms on file, Bureau of Land Management, Grand Junction. Church, Minette C. and Steven G. Baker, Bonnie J. Clark, Richard F. Carrillo, Jonathon C. Horn, Carl D. Spath, David R. Guilfoyle, and E. Steve Cassells 2007 Colorado History: A Context for Historical Archaeology. Colorado Council of Professional Archaeologists, Denver. Conner, Carl E., James C. Miller and Nicole Darnell 2006 Class III (intensive) cultural resource inventory of three block acreages within the South Parachute Geographic Area Plan (GAP) domain in Garfield County, Colorado, for Williams Production RMT. Ms on file, Bureau of Land Management, Colorado River Valley Field Office Field Office. Dean, Jeffery S.; R. C. Euler; G. J. Gumerman; F. Plog; R. H. Hevly; and T. N.V. Karlstrom 1985 Human behavior, demography and paleoenvironment on the Colorado Plateau. American Antiquity 50(3):537-554. Euler, Robert C.; G. J. Gumerman; Thor N.V. Karlstrom; J, S. Dean; and Richard H. Hevly 1979 The Colorado Plateaus: Cultural dynamics and paleoenvironment. Science 205(4411):1089-1101. Haskell, Charles W. 1886 History and Description of Mesa County, Colorado. Edited and published by the Mesa County Democrat, Grand Junction. LaPoint, Halcyon, Brian Aivazian, and Sherry Smith 1981 Cultural resources inventory baseline report for the Clear Creek Property, Garfield County, Colorado, Volume I. Laboratory of Public Archaeology, Colorado State University, Fort Collins. 13 Madsen, David B. 1982 Great Basin paleoenvironments: summary and integration. In:Mand and Environment in the Great Basin, D.B. Madsen and J.F. O'Connell, editors. Society of American Archaeology Papers No. 2, pp.102-104. Washington, D.C. Mehringer, Peter J. 1967 Pollen analysis and the alluvial chronology. The Kiva 32:96-101. Murray, Erlene D. 1973 Lest We Forget—A Short History of Early Grand Valley, Colorado, Originally called Parachute, Colorado. Quahada, Inc., Grand Junction. Peterson, Kenneth P. 1981 10,000 years of change reconstructed from fossil pollen, La Plata Mountains, southwestern Colorado. Unpublished Ph.D. dissertation, Department of Anthropology, Washington State University, Seattle. Rait, Mary 1932 History of the Grand Valley. M.A. thesis, University of Colorado, Boulder. Reed, Alan D. and Michael D. Metcalf 1999 Colorado Prehistory: A Context for the Northern Colorado River Basin. Colorado Historical Society, Denver. USDA Soil Conservation Service 1978 Technical Guide IIE: Range Site Descriptions. Wendlund, Wayne M. and Reid A. Bryson 1974 Dating climatic episodes of the Holocene. Quaternary Research 4:9-24. Young, Robert G. and Joann W. 1977 Colorado West, Land of Geology and Wildflowers. Wheelwright Press, Ltd. 14 BASIC TRAFFIC ANALYSIS BILL BARRETT CORPORATION CIRCLE B LAYDOWN YARD GARFIELD COUNTY, COLORADO O\OLSSON ASSOCIATES OA Project No. 014-0997 April 2014 760 Horizon Dr., Suite 102 1 Grand Junction, CO 81506 1 970.263.7800 1 Fax 970.263.7456 Circle B Laydown Yard April, 2014 Bill Barrett Corporation INTRODUCTION & OBJECTIVE This Basic Traffic Analysis summarizes findings of a traffic study performed for the Circle B Laydown Yard. The current use of the site is for agricultural activities and the proposed improvements would convert the project area to a storage area for equipment and materials associated with natural gas operations. It is expected that the lifespan of the site will be approximately 30 years. The site is approximately 14 travel miles east of Silt, CO. The facility is located in the SE 1/4 of the SW '/4 of Section 23, Township 6 South, Range 92 West of the Sixth Principal Meridian, County of Garfield, State of Colorado. The subject site encompasses approximately 5 acres. The property is operated by the Bill Barrett Corporation (BBC) and owned by Circle B Land Company LLC. The objective of this analysis is to review the existing road network and provide traffic projections for the modification of the site use to a storage area. EXISTING ROAD NETWORK Regional trips to this facility will use the 1-70 exit 94 between Rifle and Silt. Vehicles traveling to the site will drive south for approximately 5 miles along CR 315 (Mamm Creek Road) to CR 336 (Jenkins Cutoff), then east approximately 2.5 miles to CR 331 (Dry Hollow Road), then travel north approximately 2.8 miles to CR 326 (Chipperfield Lane), and finally east again approximately 1.3 miles to a private access. From here, site traffic will follow private gravel access roads north approximately 1.6 miles to the laydown yard. Table 1 tabulates roadway geometry and characteristics for the county roads used by vehicles visiting this site. Table 1: Roadway Geometry and Characteristics Roadway Lanes Surf. Width Roadway Type Condition Speed Limit Classification CR 315 2 24 Asphalt Good 35 mph Major Collector CR 336 2 21 Gravel/Soil Good 25 mph Secondary Access CR 331 2 22 Asphalt Good 35 mph Major Collector CR 326 2 24 Asphalt Good 35 mph* Secondary Access *25 mph for Trucks Although traffic volumes, travel lane dimensions, and surface type would suggest these roadway classifications, none of the roadways feature shoulders that meet the standards outlined in Table 7-107 of the GARCO Land Use Development Code (LUDC). Basic Traffic Analysis Page 1 Circle B Laydown Yard April, 2014 Bill Barrett Corporation TRAFFIC PROJECTIONS Background traffic volumes were increased to present day values for comparison purposes. Given the lack of data regarding traffic growth for this area, a conservative growth rate of 3% is assumed. This rate was applied to the existing counts to obtain background traffic for the year 2013. The results are shown in Table 2 below. Table 2: Background Traffic Projections Roadway 2002 Actual 2013 Estimated CR 315 1300 1850 CR 336 253 360 CR 331 1102** 1340* CR 326 150 210 *Actual counts provided by GARCO **2011 Actual TRIP GENERATION AND DISTRIBUTION Trip generation is generally determined using rates found in the ITE Trip Generation manual. Rates from this publication are applied to values related to the size of the proposed site to estimate the trips expected to enter and exit the site. In this case, no rates are provided for facilities similar to these. To estimate trips expected for this site, information was gathered regarding the expected traffic based on the existing operations. There will be a three-week construction phase wherein the existing graveled area will be expanded. During this phase, there will be an increase in traffic as supplies and equipment are delivered to the site. Trips will generally include low -boy multi -unit trucks, approximately one to three per day, and pickups to transport staff, approximately two to three per day. During the operational phase of the project, vehicles accessing the facility will primarily consist of pickup trucks, approximately eight vehicles or 16 trips per day. Additionally, a medium weight truck will access the site one time per week for 2 trips per week. Approximately five heavy trucks (10 trips) will access the site monthly to make equipment and material deliveries. Typical daily volumes will be approximately 16 trips per day with the potential for 20 trips. Based on the background traffic calculated above, traffic related to the additional use as a storage site will have a maximum 9.5% increase on daily traffic on any county road used by site traffic during operations of the facility in 2014. Table 3 below summarizes the increase in traffic volume on the impacted county roads. Basic Traffic Analysis Page 2 Circle B Laydown Yard Bill Barrett Corporation Table 3: Traffic Volume Increases April, 2014 Roadway Estimated Background Traffic (vpd) Generated Average Operation (vpd) Average Percent Increase Generated Maximum (vpd) Maximum Percent Increase CR 315 1850 16 0.8% 20 1.1% CR 336 360 16 4.4% 20 5.6% CR 331 1340 16 1.2% 20 1.5% CR 326 210 16 7.6% 20 9.5% It should be noted that some of the trips associated with the yard will originate from other activities in the immediate area. Therefore, some trips to the site are likely accounted for in background traffic projections because the area is currently active and generating trips related to transporting materials in and out of the larger field. The Table 3 above provides a conservative estimate of traffic volume increases, but it is likely that they will be less due to the consolidation of material hauling to the immediate area as related to the storage use on the site. ROADWAY ANALYSIS Existing Parcel Current land use on the subject parcel is primarily related to natural gas development activity. Much of the existing traffic on county roads in the area is related to natural gas development activities as well as rural residential access and agricultural activities. State Highway Crossings and Access The roadway access to this site does not cross any highway rights-of-way managed by the Colorado Department of Transportation. CR 315 is accessed directly from 1-70 at Exit 94, between Rifle and Silt. The ramp terminals at this grade -separated interchange are stop -controlled. Site distances are adequate in both directions at these ramp terminals. Railroad Crossings The access route for the site does not cross any railroad rights-of-way. Intersection of CR 315 & CR 336 The intersection of CR 315 & CR 336 is a "T" intersection with CR 315 having a single south leg approach. A stop sign controls west bound traffic on CR 336 at the intersection of that road with CR 315. No turn lanes are present on any leg. Because the east and south legs are designated as CR 315, the primary movements are given to these legs. Given the amount of traffic estimated to be generated from the proposed facility, additional improvements at this intersection are not anticipated to be needed. Basic Traffic Analysis Page 3 Circle B Laydown Yard April, 2014 Bill Barrett Corporation Intersection of CR 336 & 331 The intersection of CR 336 & CR 331 is a "T" intersection with CR 336 having a single west leg approach. This leg is stop -controlled, and no turn lanes are present on any leg. CR 336 meets CR 331 at approximately a 45 degree angle, causing eastbound left -turning vehicles traveling along CR 336 to look back sharply over their shoulder. While this intersection configuration is not ideal from a sight distance perspective, it is not expected that the minimal addition of traffic related to this site will negatively impact any issues that may be present. It does appear that there is an opportunity to reconstruct this intersection so all legs meet at 90 degrees. Intersection of CR 331 & CR 326 The intersection of CR 331 & CR 326 is a "T" intersection with CR 326 having a single east leg approach. This leg is stop -controlled, and no turn lanes are present on any leg. The intersection geometry at this location, that is the tight intersection returns, suggests that a large truck may have difficulty making this movement without tracking off the paved surface. The intersection does not currently show signs of this being an issue, however this should be monitored as truck traffic increases to determine if there is a need to widen the intersection returns. RECOMMENDATIONS Based on the expected trip generation rates discussed above, the increase in average daily traffic is not expected to be significant on roads generally used by the public. The county roads discussed will see only a minor increase in traffic. The total traffic volumes will remain very low and can be accommodated by the existing roadway. Additionally, the majority of existing traffic on this road is associated with the natural gas industry. The addition of traffic generated by the proposed updated site use does not increase existing volumes to levels required for State or County permits. Attachments AR -1 Traffic Volumes Map Basic Traffic Analysis Page 4 Circle B Laydown Yard Garfield County, CO LEGEND - Site - County Road - Gravel Access [XXX] - Average Daily Traffic, Background i oo ] - Average Daily Traffic, Operations O'OLSSON ASSOCIATES FIGURE Traffic Volumes Map AR -1 Bill Barrett Corporation Mamm Creek Field Best Management Practices Roadway Maintenance • Speed restrictions (25 MPH or less) • Regular road maintenance (Grade when necessary) • Gravel on high traffic areas • Apply dust -suppressant when needed z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard pictures.dwg 6/14/2013 2:55 PM ENTRANCE LOOKING NORTH Grp ENTRANCE LOOKING EAST (SIX LAZY KROAD) ENTRANCE LOOKING WEST (SIX LAZY KROAD) LAYDOWN YARD PAD LOOKING NORTH LAYDOWN YARD PAD LOOKING EAST LAYDOWN YARD PAD LOOKING SOUTH CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY SITE PICTURES LAYDOWN YARD PAD LOOKING WEST LAYDOWN YARD PAD LOOKING NORTH LAYDOWN YARD PAD LOOKING EAST LAYDOWN YARD PAD LOOKING SOUTH ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: N.T.S. DATE: 6/ 14/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE PICTURES z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard vicinity map.dwg 6/5/2013 9:30 AM i 1-70 EXIT #94 MAMM CREEK RD. \ ± 5.0 MILES MAMM CREEK RD. ±1.3 MILES CHIPPERFIELD LN ,,-; ±2.8 MILES DRY HOLLOW RD ± 2.5 MILES JENKINS CUT OFF .,-rte; 'i 111 E. CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY VICINITY & ACCESS MAP DIRECTIONS TO LOCATION: FROM THE 1-70 EXIT #94 (MAMM CREEK EXIT) PROCEED SOUTHERLY ALONG MAMM CREEK ROAD APPROXIMATELY 5.0 MILES TO THE INTERSECTION WITH JENKINS CUT-OFF ON THE LEFT, THEN PROCEED LEFT IN AN EASTERLY DIRECTION ALONG JENKINS CUT-OFF APPROXIMATELY 2.5 MILES TO THE INTERSECTION WITH DRY HOLLOW ROAD, THEN PROCEED LEFT IN A NORTHERLY DIRECTION ALONG DRY HOLLOW ROAD APPROXIMATELY 2.8 MILES TO THE INTERSECTION WITH CHIPPERFIELD LANE ON THE RIGHT, PROCEED RIGHT IN AN EASTERLY DIRECTION ALONG CHIPPERFIELD LANE APPROXIMATELY 1.3 MILES TO AN INTERSECTION WITH A GRAVEL ROAD TO THE LEFT, PROCEED LEFT IN A NORTHERLY DIRECTION ALONG THE GRAVEL ROAD APPROXIMATELY 1.6 MILES TO THE CIRCLE B LAYDOWN YARD SITE AS SHOWN HEREON. ECLIPSE Surveying, Inc. HIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: DATE: SHEET: PROJECT: DFT: 1 " = 5000' 6/5/ 13 1 OF 1 EPPERLY TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE VICINITY & ACCESS MAP Bill Barrett Corporation Circle B Laydown yard Adjacent Landowners for Parcel # 2179-233-00-203 Parcel 2179-233-00-201 Parcel 2179-234-00-646 Circle B Company 1099 18th Street, Suite 2300 Denver, CO 80202 Parcel 2179-262-00-219 James and Nancy Bailey PO BOX 660 Silt, CO 81652 Parcel 2179-262-00-955 BLM 2300 River Front Rd Silt, CO 81652 Parcel 2179-261-00-540 Charles Fowler 2635 County Road 326 Silt, CO 81652 Parcel 2179-234-00-647 Joshua and Lynn Wilson 2525 Six Lazy K Rd Silt, CO 81652 Parcel 2179-233-00-202 William and Eunice Smith PO Box 871 Silt, CO 81652 Adjacent Landowners Parcel 2179-233-00-203 Garfield County Limited Impact Review, 2013 Page 1 of 1 z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard landowners exhibit.dwg 6/5/2013 2:53 PM 22 23 CIRCLE B LAND 2179-233-00-201 1099 18TH ST., SUITE 2300 DENVER, CO 80202 54 SMITH 2179-233-00-202 260 LAZY S REVERSE S DR. NEW CASTLE, CO 81647 REMAINING CIRCLE B LAND PARCEL 9 // // �p � �\ iI �� % �� N% 2179-234-00-647 WILS\\ // 2525 SIX LAZY K RD ��l SILT, CO 80652 26 CIRCLE B LAND 2179-233-00-203 /1099 18TH ST., SUITE 2300 DENVER, CO 80202 II II PROPOSED N CIRCLE B LAND LAYDOWN YARD L\ 1ST BAILEY 2179-262-00-219 PO BOX 660 SILT, CO 81652 - $ 4 1ST BLM 2179-262-00-955 2300 RIVER FRONTAGE RD SILT, CO 81652 // CIRCLE B LAND 2179-234-00-646 1900 DALROCK RD ROWLETT, TX 75088 // FOWLER 2179-261-00-540 2635 COUNTY ROAD 326 SILT, CO 81652 1 1 CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY LANDOWNERS EXHIBIT ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: 1" = 600' DATE: 6/5/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE LANDOWNERS EXHIBIT Bill Barrett Corporation Circle B Laydown Yard Mineral Owners for Parcel # 2179-233-00-203 Joan Epperly 1640 12 Road Loma, CO 81524 Kenneth Young 1640 12 Road Loma, CO 81524 Frank and Sharon Bright 28372 County Road Little Torch Key, FL 33042 Jensen Properties, LLLP 3892 Highway 6 Palisade, CO 81526 Garold Warren 550 West 11th Street Rifle, CO 81650 Carla Jensen 458 N. Annabelle Ct. Fruita, CO 81521 Donald Jensen PO Box 1221 Gypsum, CO 81637 Gari Ludwick 11244 Hillcrest Drive Greeley, CO 80631 Mineral Owners for Parcel 2179-233-00-203 Garfield County Limited Impact Review, 2013 Page 1 of 1 County Line - - Geog Twp Line — Lot Line -•- Misc Line — Mon Linear — Parcel Line – Parcel Line Leg Desc — Pol Corp Line — Pol Twp Line Railrcacl Centerline ▪ Railrcacl RCYeV Roacl Centerline Road --Secticn Line Sub Line100 Sub Line400 — Sub Ref Strip — Unknown Linear - -Water Line Please choose Landscape when you print. Print Now nt t03t'-Ccs r ■III IY�'� NY4dr�hGilL+� +i� I�l 'G��L�IICI�it�I,L INI� 1I 111 Reception#: 812322 12/21/2011 01:52:37 PM Jean Alberioo 1 of 3 Reo Fee:$21.00 Doc Fee:60.00 GARFIELD COUNTY CO WARRANTY DEED THIS DEED made on this 20th day of December, 2011, by and between JOAN P. EPPERLY and KENNETH LYLE YOUNG, whose address is 3015 Six Lazy K Road, New Castle, CO 81647 (hereinafter collectively "Grantor"), and CIRCLE B LAND COMPANY LLC, a Colorado limited liability company whose address is 1099 18th Street, Suite 2300, Denver CO 80210 (hereinafter "Grantee"): WITNESS, that the Grantor, for and in consideration of the sum of Ten Dollars and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, has granted, bargained, sold and conveyed, and by these presents does grant, bargain, sell, convey and confirm unto the Grantee, its successors and assigns forever, all the real property, together with improvements, if any, situate, lying and being in the County of Garfield and State of Colorado, described as follows: The N/W1/4SW1/4, SW1/4SW1/4, and the SE1/4SW1/4 of Section 23, Township 6 South, Range 92 West of the Sixth Principal Meridian, County of Garfield, State of Colorado Together with any and all easement rights and access rights described in the Judgment of the Garfield County District Court recorded June 7, 2007 in the public records of Garfield County at Book 1935 at Page 712 as depicted on the plat recorded at Reception No. 776876. Reserving therefrom, all of Grantor's interest in the oil, gas, and liquid or gaseous hydrocarbon rights of the Property TOGETHER with all and singular the hereditaments and appurtenances thereto belonging, or in anywise appertaining and the reversion and reversions, remainder and remainders, rents, issues and profits thereof; and all the estate, right title interest, claim and demand whatsoever of the Grantor, either in law or equity, of and to the above bargained premises, with the hereditaments and appurtenances; TO HAVE AND TO HOLD the said premises above bargained and described with appurtenances, unto the Grantee, its successors and assigns forever. The Grantor, for itself, its successors and personal representatives, does covenant, grant, bargain, and agree to and with the Grantee, its successors and assigns, that at the time of the ensealing and delivery of these presents, it is well seized of the premises above conveyed, has good, sure, perfect, absolute and indefeasible estate of inheritance, in law, in fee simple, and has good right, full power and lawful authority to grant, bargain, sell and convey the same in manner and form as aforesaid, and that the same are free and clear from all former and other grants, bargains, sales, liens, taxes, assessments, encumbrances and restrictions of whatever kind or nature whatsoever, except general taxes and assessments for the year 2011 payable in 2012 and subsequent years, and subject to all those specific exceptions described on Exhibit A attached hereto and incorporated herein by this reference. The Grantor shall and will WARRANT AND FOREVER DEFEND the above bargained premises in the quiet and peaceable possession of the Grantee, its successors and assigns, against all and every person or persons lawfully claiming the whole or any part thereof. The singular number shall include the plural, and the plural the singular, and the. use of any gender shall be applicable to all genders. . .v, TO Ci rt t e -6 Cowi ial k,ctck 1`61-`^ 81.1 Ste., ‘2.666 $0akb 1111 rill1W1,1.1415rit 11 11 1 Reception#: 812322 12/21/2011 01:52:37 PM Jean Alberico 2 of 3 Rec Fee:$21.00 Doc Fee:60.00 GARFIELD COUNTY CO IN WITNESS WHEREOF the Grantor has executed this deed on the date set forth above. STATE OF COLORADO ) ) ss. COUNTY OF GARFIELD ) JOAN P. EPPERLY \)•, r00, --A)) KENNETH LYLE YOUNG The foregoing instrument was acknowledged before me on this) day of December, 2011 by Joan P. Epperly and Kenneth Lyle Young WITNESS my hand and official seal. My Commission expires: [SEAL] DENNA CONWELL NOTARY PUBLIC STATE OF COLORADO My Commission Expires 09/27/2013 111! FAME PC WiLltharrit1017141111.1iiii 1101 Reception#: 812322 12/21/2011 01:52:37 PM Jean Plberico 3 of 3 Rec Fee:$21.00 Doc Fee:60.00 GRRFIELD COUNTY CO Exhibit A Right of way for ditches or canals constructed by the authority ofthe United States, as reserved in United States Patent recorded August 25, 1913 in Book 93 at Page 325. An undivided 3/4 interest in all oil and gas as reserved by Carl Hasselbush in the deed to Richard W. Ferguson and Earl 11. Dean recorded April 18, 1973 in Book 443 at Page 175 and any and all assignments thereof or interests therein. Right of way easement granted to Holy Cross Electric Association Inc. in instrument recorded May 15, 1987 in Book 712 at Page 21. Terms and conditions of Memorandum of Surface Use Agreement recorded February. 14, 2005 in Book 1662 at Page 736. Right of way granted to Bill Barrett Corporation in instrument recorded April 6, 2005 in Book 1676 at Page 696. Reservation of 10% of all oil, gas and other minerals in instrument recorded January 4, 1985 in Book 662 at Page 364 and any and all assignments thereof or interests therein. Terms and conditions of Garfield County Resolution No. 85-3 recorded January 7, 1985 in Book 662 at Page 512. Right Of way easement granted to Holy Cross Electric Association Inc. in instrument recorded August 17, 1987 in Book 719 at Page 203 and August 4, 1994 in Book 911 at Page 273. Terms,- conditions, restrictions and all other matters set forth in Judgment filed in the Garfield County, Colorado District court regarding access easement and road maintenance as described in instrument recorded June 7, 2007 in Book 1935 at Page 712, Note: Access to a public road or right of way is limited to and governed by this instrument Easements, rights of way and all other matters disclosed on 6 Lazy K -Road Easement plat recorded October 27, 2009 as Reception No. 776876. Encroachment offence onto adjoining property, possessory rights outside of fence and all mattes set forth on Improvement Survey prepared by Eclipse Surveying dated December 5, 2011, Project No. EPPERLY, 1111 E6N51111101.1VIALI 0,I :..11:Ii1CG ! Alki 11111 Reception#: 812324 12/21/2011 01:52:37 PM Jean Rlberico 1 of 3 Rec Fee:$21.00 Doc Fee:0.00 GARFIELD COUNTY CO QUITCLAIM DEED THIS QUIT CLAIM DEED made on this 200' day of December, 2011, by and between JOAN P. EPPERLY and KENNETH LYLE YOUNG, whose address is 3015 Six Lazy K Road, New Castle, CO 81647 (hereinafter collectively "Grantor"), far the consideration of TEN AND NO DOLLARS, ($ 10.00 ), in hand paid, hereby sells and quitclaims to CIRCLE B LAND COMPANY LLC, a Colorado limited liability company whose address is 1099 180' Street, Suite 2300, Denver CO 80210 (hereinafter "Grantee"), the following real property in the County of Garfield and State of Colorado, to wit: also known by street address as: and assessor's schedule or parcel number: with all its appurtenances. Signed this 20th day of December, 2011 STATE OF COLORADO COUNTY OF GARFIELD )SS: ). Exhibits A and B JOAN P. EPPERLY KENNETH LYLE YOUNG The foregoing instrument was acknowledged before me on this day of December, 2011 by Joan P. Epperly and Kenneth Lyle Young WITNESS my hand and official'sea1. My Commission expires: . [SEAL] DENNA CONWELL NOTARY PUBLIC STATE OF COLORADO My Commission Expires 09/27/2013 avdke) LaviG Clyne 60.,1 toc rt vg-k`-c5� .1 ' . xY)6 1111 h'i'p Pl4 ill.1, 1111117,14fiL«1141.:W#h'IirJ1 L & Pi 11111 Reception#: 812324 12/21/2011 01:52:37 PM Jean Rlberic 2 of `3 Rec Fee:$21.00 Doc Fee:0.00 Gftii.-IELD COUNTY CO EAR urvey - g, into 111 E. Third St., Suite 208, Rifle, CO 81650 (97 0) 625-3048 Off (97 0) 625-3651 Fax LEGAL DESCRIPTION: A parcel of land within Lots 3 and 12 of Sierra Vista Ranch as recorded March 24, 1980 with the Garfield County Clerk and Recorder as Reception Number 302518 and being bounded on the East by the West line of the Section 23, on the South by the North line of Section 27 and on the West and North by an existing fence line, all in Township 6 South, Range 92 West of the 6th Principal Meridian, Garfield County, Colorado. Being more particularly described as follows: Beginning at the Southwest corner of said Section 23 also being the Northeast comer of said Section 27, a 1974 Garfield County Brass Cap, Whence the West 1/4 corner of said Section 23, a 1973 Garfield County Brass Cap, bears N 00°49'38" E a distance of 2634.68 feet ; Thence N 88°46'31" W along the northerly line of said Section 27, a distance of 0.58 feet to said fence line; Thence following said fence line the following fifteen (15) courses: N 01°07'05" W a distance of 443.09 feet; Thence N 00°14'11" W a distance of 206.49 feet; Thence N 01°04'58" W a distance of 142.77 feet; Thence N 00°52'47" E a distance of 79.80 feet; Thence N 01°09'24" W a distance of 579.80 feet; Thence N 00°17'55" W a distance of 488.07 feet; Thence N 07°13'44" E a distance of 75.43 feet; Thence N 10°02'32" W a distance of 61.49 feet; Thence N 01°01'32" W a distance of 246.12 feet; Thence N 01°15'54" E a distance of 104.13 feet; Thence N 15°49'39" W a distance of 44.56 feet; Thence N 04°16'19" W a distance of 66.91 feet; Thence N 02°54'11" E a distance of 100.36 feet; Thence N 86°13'06" E a distance of 48.35 feet; Thence S 83648'07" E a distance of 31.17 feet to a point on the West line of said Section 23; Thence leaving said fence line S 00°49'17" W along the West line of said Section 23 a distance of 0.57 feet to said West 1/4 corner of said Section 23; Thence continuing along the West line of said Section 23 the following two (2) courses , S 00°49'38" W a distande of 1317.34 feet to the South 1/16th corner of Sections 22 and 23, a 2011 aluminum cap LS 38050; Thence S 00°49'38" W 1317.34 feet to the Point of Beginning, containing 2.32 acres more or less. 2 a EXHIBIT 1111 !nil 141,«4e1AreN11141 ,1111i 11111 Receition#: 812324 12/21/2011 01:52:37 PM Jean Rlberico 3 of 3 Rec Fee:$21.00 Doc Fee:0.00 GRRFIELD COUNTY CO LEI n Surveyin hica 111 E. Third St., Suite 208, Rifle, CO 81650 (970) 625-3048 Off (97 0) 625-3651 Fax LEGAL DESCRIPTION: A parcel of land within Lot 18A of Mineota Estates Subdivision Filing las recorded with the Garfield County Clerk and Recorder as Reception Number 806663 and being bounded on the South by the East- West centerline of Section 23, on the East by the West line of the SE1/4NW1/4 of Section 23 and on the North by an existing fence line, all in Township 6 South, Range 92 West of the 6th Principal Meridian, Garfield County, Colorado. Being more particularly described as follows: Commencing at the West 1/4 corner of said Section 23, a 1973 Garfield County Brass Cap, Whence the Southwest corner of said Section 23, a 1974 Garfield County Brass Cap, bears S 00°49'38" W a distance of 2634.68 feet ; Thence S 88°40'58" E along said East-West centerline of Section 23, a distance of 98.05 feet to the intersection with said fence line and the TRUE POINT BEGINNING; Thence along said fence line the following four (4) courses: N 87°37'32" E a distance of 181.21 feet; Thence N 88°56'37" E a distance of 95.20 feet; Thence N 89°59'35" E a distance of 553.90 feet; Thence N 89°37'38" E a distance of 399.21 feet to a point on the said West line of the SE1/4NW1/4 of Section 23; Thence leaving said fence line, S 00°48'35" W along said West line of the SE1/4NW1/4, a distance of 40.19 feet to the West 1/16th corner of said section 23, a 2011 aluminum cap LS 38050 ; Thence N 88°40'58" W along the said East-West centerline of Section 23, a distance of 1229.10 feet to the POINT OF BEGINNING, containing 0.65 acres more or less. EXHIBIT 111111 1111111111111111 111111 1111 111111 111 Illll 1111 1111 672556 04/20/2005 12:38P 61680 P363 M ALSDORF 1 of 3 R 16.00 D 0.00 GARFIELD COUNTY CO RIGHT-OF-WAY AND EASEMENT AGREEMENT KNOW ALL MEN BY THESE PRESENTS THAT JOHN LEGG AND ELENA LEGG. husband and wife, whose address is 1315 County Road 326, Silt. CO 81652 hereinafter referred to as Grantor, for and in consideration of the sum of TEN DOLLARS (510.00) and other consideration. the receipt and sufficiency of which is hereby acknowledged, does hereby grant, sell, bargain and convey unto BILL BARRETT CORPORATION, whose address is 1099 18th St.. Suite 2300, Denver, CO 80202, hereinafter referred to as Grantee, its successors and assigns. a right-of-way and easement for (i) the purpose of locating. surveying, constructing. maintaining, repairing and replacing a road, and (ii.) the purpose of locating and surveying a pipeline route, and constructing. entrenching. maintaining, operating, protecting. repairing, replacing and changing the size of a pipeline and other appurtenances, including but not limited to, valves, metering equipment, and cathodic equipment (the pipeline and other appurtenances are hereinafter referred to as the Facilities') for the transportation of oil. gas. petroleum products, water and any other substance, whether fluid or solid. and products and derivatives of any of the foregoing. and any combinations and mixtures of any of the foregoing, approximately along the line shown on Exhibit "A." attached hereto and made a part hereof, over, under. across and through the Land described below, to wit: Township 6 South, Range 92 West. 6th PM Section 26: NE/4 Section 23: That tract of land located across the bottom of the SW/4 SE/4. being 5.09 acres, more or less. The right-of-way and easement shall be 30 feet wide. This right-of-way and easement shall carry with it the right of ingress and egress to and from, and access on and along the right- of-way, with the right to use existing roads, for any and all purposes necessary and incident to the exercise by Grantee of the rights granted herein. and rights granted by any oil and gas lease covering the above described lands in which Grantee has an interest. During temporary periods Grantee may use such portion of the Land along and adjacent to the right-of-way as may be reasonably necessary in connection with construction, maintenance, repair, removal or replacement of the road and Facilities. TO HAVE AND TO HOLD the above described rights and easements, together with all rights necessary to operate and maintain the road and the Facilities over the right-of-way hereby granted unto the Grantee, its successors and assigns, and the Grantee may assign the rights and easements herein granted. either in whole or in part, subject to the terms of this grant, and such rights and easements shall be covenants running with the land and be binding upon Grantor, his heirs, legal representatives and successors in title. Grantee may at any time, and upon permanent abandonment of the right-of-way shall, execute and record a reconveyance and release hereof whereupon this right-of-way and easement and all rights and privileges herein granted shal! be fully canceled and terminated. Grantor reserves the right to the use and enjoyment of the Land except for the purposes herein granted, but such use shall not hinder, conflict or interfere with Grantee's surface or subsurface rights hereunder or disturb the road or Grantor's Facilities. Grantor agrees not to build. create. construct or permit to he built. created or constructed. any obstruction, building, lake, engineering works or other structure over or on the right-of-way herein ganted. Grantee agrees to bury the pipeline at a depth sufficient so as not to interfere with normal cultivation of the surface of the Land, except when rock is encountered the pipeline may be buried not less than one foot below the surface or upon the surface if necessary. Grantee shall pay to Grantor all damages to Grantor's growing crops, timber and personal property caused by the construction of the road and the Facilities. Grantor represents and warrants that he is the owner in fee simple of the Land described above, subject only to outstanding mortgages. if any, now of record in the county. and in the event of default by Grantor, Grantee shall have the right to discharge or redeem for Grantor, in whole or in part, any mortgage,tax or other lien on the land and thereupon be subrogated to such lien and rights incident thereto. Grantee shall indemnify, defend, save and hold harmless Grantor from any and all claims, demands, causes of action, or liability � r for damages. loss or injuries which arise out of Grantee's operations on the Land. 1111111 11111 1111111 1111 1111111111111111 111 11111 11111111 672556 04/20/2005 12:38P B1680 P364 M ALSDORF 2 of 3 R 16.00 D 0.00 GARFIELD COUNTY CO WITNESS THE EXECUTION HEREOF THE day of January. 2005. John Legg SS# //‘ -L-tJ H Elena Legg S # ` CO / 0 7- ACKNOWLEDGEMENT STATE OF COLORADO ) ) ss. COUNTY OF GARFIELD) On the 6- day of January, 2005, personally appeared before me, the undersigned notary. John Legg and Elena Lege, husband and wife, known to me to be the identical person(s) who signed the within and foregoing instrument, and duly acknowledged to me that they executed the same as their free and voluntary act and deed. p Te-,_ 01 a 000{ Notary Public J/ . My Commission Expires „7 f} Type or Print Name m D W J (D W CO L.L. D= D_ Q CO C7 (V) .. m N •LO m CI N N(D ED • CC (D () In w N O (D () X I T ---- Y T ML _jJ J cl rte „ 0/ •rrodoerrn K as -ool: :age `l-7 ii ec.orde:'. A 02 A.Ii. _,pril 3, 1972 Roc 2'= r ' �, .Stephens S,..r« ".CO SIL AND GAS LEASE `'� ` Recorder. " r,or,re AGREEMENT. Made and entered into this...... ...17th. Any of F ,, n v'r t 3T y by and between L.2r 1 nascPlbusb. aj o Clara 1-1.3S.si uSn" h,f..ai1.nn Ani Leif,"3 untttP . 19 ?1._ New i 's t 1 e . o 10 r :o 61547 , hereinafter called lesaaz (whether one or more) end • hereinafter called lessee. ;C"; :A_!;1, P. ? ox 712_. GlsnwuoO Sorin2s, +,o]or2do 51a.U1 WITNESSETH, That the raid lessor. for and in consideration of ten and more Dollars ($10.00.1 cash in hand paid, receipt of which ie hereby acknowledged and of the covenants and agreements hereinafter contained on the part of lessee to be paid. kept and performed, has granted, demised. leased. and let and by these presents does grant. dcmiee. lease and let unto the said leasee. its successors and assigns for the sole and only purposes of surveying by geological. geophysical and all other methods, mining and operating for oil and gas, and layiug pipe linea, and building tanks, power stations and structures thereon to produce, save and take care of said products, ell that certoin tract of land, together with any revereiunary rights therein, situate in the County State described as follows. to wit• —_ Two. Suutth, r' 91 Jest lith .s•!. `Lest L, 3, that u art of Lot 1 lyir.a South and U,,et of th'„ County Road. (SW.:;• W. , NWtSW4, Part Al;;NW') q0,3J 1 ; , ;ic. TWO. E South, Roe. 92 ::Jest Stn r.r1. c =c 1_: 5!11y Eec 1 `: GEE ATTACHED RIDER Book 428 Page 548 and containing 2 L226.70 acres, more or leaf. It is agreed that this lease shall remain. in force for a term of._ .. f] _ ... __ _years from date, and aa long thereafter as oil or gas, .or either of them, is produced from said land by the leseee,•ita succeaeors and assigns. In consideration of the premise° the said lessee covenants and agrees: First. The leasee 'shall deliver to the credit of lessor as royalty, free of cost in the pipe line to which lessee may connect its wells, the equal one-eighth pan of all oil produced and saved from the leased premises, or, at lessee's option, may buy or sell such one-eighth royalty and pay lessor the market price for oil of like grade and gravity prevailing in the field on the day such oil is run into pipe lines or into storage tanks. Second. To pay lessor one-eighth (%) of the proceeds received for gas Bold from each well where gas only is found. or the market valve at the well of auch gas used off the premises, and lessor to have gas free of coat from any well for all stoves end all inside lights in the principal dwelling house on such land during the same time by making his own connections with the well at bia own risk and expense. Third. To pay lessor one-eighth (s) of the market value at the well for gas produced from any oil well and used off the premises, or for the manufacture of casinghead gasoline or dry commercial gas. If no well be commenced on said land on or before the _-_day 19, this lease shall terminate as to both parties, unless the lessee on or before that date shall pay or tender to the lessor or to the lessor's credit in thr The First Natinnal Rank in Riftp-Bank at RIflp, Cnlarado or its successor or successors, or any bank with which it may be merged, or consolidated, or which succeeds to its business or assets or any part thereof, by purchase or otherwloe, which shall continue as the depository regardless of changes in the ownership of the said land, the tram of Two Thousand Two Herldred T ,ipnty Six ancLalaDja.ths C 1Z2 226 .70) �OI.I.ARS, which shall operate as a rental and cover the privilege of deferring the commencement of a well for twelve menthe from said date. In like manner and upon like payments or tenders the commencement of a well may be further deferred for like periods of the same number of months successively. And it is understood and agreed that the consideration Prat recited herein, the down payment, covers not only the privileges granted to the data when said first rental is payable as aforesaid, but also tho lessee's option of ectending that period as aforesaid, and any and all other rights conferred. Rentals may be paid by check or draft and may be remitted b mail. Mailing of rental on or before the rental -paying date shall be deemed a timely tender thereof and shall preclude termination of this lease. by the death of the lessor, or his successor in interest, the payment or tender of rentals in the manner provided above shall be binding on the heirs, devisees, executors and administrators of such person. Should any well drilled on the land above described be a dry hole or cease toproduce and there are no other producing well or well on the land or drilling operations are not being conducted thereon, then and in that event it a well is not commenced before the next ensuing rental -paying date after the expiration of ninety (90) days from the date of such dry hole or ceasation of production, this lease shall terminate as to both parties, unless the leasee, on or before the rental -paying date next ensuing after the expiration of ninety (90) days from the date of the completion of the dry hole or ceasation of production, shall resume the payment of rentals in the same amount and in the same manner u hereinbefore provided, and it is agreed upon reenmptiou.of the payment of rentals, as above provided, the last preceding paragrffph hereof, governing the payment of rentals and the effect thereof, ahall continue in force as though there had been no interruption in the rental payment. If a dry hole should be drilled or if production ceases at any time subsequent- to ninety (90) days prior to the beginning of the last year of the primary term, no rental payment or operations are necessary in order to keep the Ieaae in force during the remainder of the primary term. If at anytime, either .before or after the expiration of the primary term of thio lease, there is any gas well on the lands covered hereby, or on other lands with which said lands ere pooled or unitised, . which is capable of producing in psyiii�"quiintitins'bnr which is .ahnt.in either before or after production therefrom, and the production 'therefrom is not being sold or used, leasee agrees to pay or tender to the mineral owners in the deposi- tory bank•named in the lease, as royalty, a sum equal to the amount of delay rentals payable under this lease. Such payments shall be made on or before the shut-in royalty payment. di*, as herein defined, next accruing after the expiration of ninety (90) days from the date the well wad ehntin, unless prior to such date gas from tbe,wvell is produced and Bold or used. In like manner, an or before each succeeding shut-in royalty payment date while such gas well remains ehut-in; lcaiee shall make payment of shut-in gas royalty in the same amount and manner. A shut -in -gas well capable of producing in paying quantities shall be considered under all provisions of this lease as a producing well and this lease shall'be in force and effect is like manner as though the gas therefrom were actually being produced and Bold or used. The term "gm well" shall Include wells capable of producing natural gas, oondeneate. distillate. or any gaseous substance. and wells cieesified as gas wells by any governmental authority. The term "shunin royalty payment date" shall mean any rental -paying date of this lease if within the primary tum, or any subsequent anniversary thereof, if after the primary term, or any anni- versary date of this lease if no rental -paying date is specified herein. If said teener owns a leve interest in the above described Iand than the entire and undivided fee simple estate therein, then the royalties and rentals herein provided shall be paid rho lessor only in the proportion which his interest bears to the whole and undivided fee. However, such rentals shall be increased at the nest succeeding rental anniversary after lessee has been notified of any reversion haring occurred to cover the interest so acquired. Lessee shall have the right to use, free of cost, gas, oil and water produced on said land for its operations thereon, except water from wells and reeeryoke of lessor. Lessee shall have the right at any time to remove all machineri and fixtures placed on said premises, including the right to draw and remove casing. Lessee shall pay for damages caused by its operations to growing crops on said lands. When requested by the lessor, leasee shall bury his pipe lines below plow depth. No well shall be drilled nearer than 200 feet to the house or barn now on said premises, without the written consent of the lessor. Lessee shell have the right to drill to completion with reasonable diligence and dispatch (I) any well commenced within the term of this lease and (2) any well commenced before the completion of a well which has been commenced within such term. If oil and gas or eithhr of them be found in paying quantities in any such well, this Iease shall continue and be in force with like effect as if such well bad been completed within the term of years herein first mentioned. • Luau, is hereby granted the tight and power to pool or combine the acreage covered by this lease, or any portion thereof, with other land, lease or leases in the vicinity thereof at any time and from time to time, whether before or after production, when in lessee's Judgment it is necessary or ad• visible to do so for the prevention of waste and the conservation and greatest ultimate recovery of oil or gas. Such pooling shall be into a unit or smite net exceeding in area the acreage prescribed or required in any Federal or State law. order, rule or regulation for the drilling or operation of one well, or for obtaining the maximum allowable production from one well, or 40 acres each for the production of : oil, or 640 acres each for the production of gas, whichever 'b the larger, plus a tolerance over the maximum area of 40 acres for the production of oil or 640 acres for the production of gas to 'Delude additional acreage in any irregular governmental subdivision or lot or portion thereof. Such pooling shall be effected by Lessee's executing and filing in the office where this lease is rpecorded an instrument identifying and: describing the pooled acreage. The production of pooled substances and de - the commeneentent, velopment and considered and construed, aeration on nd shall have the samortion of a unit so e pooled, including except for the payment f royalty, sgproduction. dletion and elopoperation ntend operation on the leased premises under the terms of this lease. The royalties herein provided shall accrue and be paid to Lessor on pooled substances produced from any unit in the proportio: , mit only itt the proportion, that Lessor's acreage interest in the land covered hereby and placed in the unit bears to the total acreage to tits rand placed in such unit. If alto eeteta of either party hereto is assigned, and the privilege of 'assigning in whole or in part is expressly allowed. the coveaanta hereof shall extend to their heirs, executors, administrators, successors or assigns, but no change in the ownership of the land or assignment of rentals or royalties shall be binding on the Inane until after the Ieaaee has been furnished with a written transfer or assignment or a certified copy thereof; and It is hereby agreed in the event this lease shall be assigned as to a part or parts of the above described lands and the assignee or assignees of eueh part or parts shall fail or make default in the payment of the proportionate part of the rents due from him or them, such default shall not operate to defeat or affect this lease in so far as it covere a part or parts of said lands which the said lessee or any assignee thereof shall make due payment of said rentals. An assign - meet of this lease, in whole or in part, shall as to the extent of such easignment relieve and discharge the lessee of all obligations hereunder. f'i'r. Z '1 t r n 7(71)1 Hook 428 Page 549 Compliance with any now or hereafter existing act, bill or statute purporting to be enacted by any Federal or State legislative ffces.[aorders, decrees, rules, regulations made or n State Federal State or Federul oibords, commsonsmmitteespurportngto be made under authority of asuchact. bill ostatute, shall not constitute a violation of any of the terms of this lease or he considered a breach of any clause, obligation, covenant, undertakiof any ng. condition or interest herein[ and hereby created shall and setor out, nortute a cause for the shall any such compliance tconferoansuch py right of entryreversion or orrbecome the basisofany when compiled awitor suit for h by lessee ore assigns, to the extent of such co npli n e operatforfeiture or cancellation hereof; and while e as modifications ofrt to ethe terms and conin force and ditionsyof this leaFe where inconsistent therewith. Lessee may at any time surrender this lease. in whole or in part, by delivering or mailing a release to the lessor, or by placing a re'ease of record in the proper county. In the event of a partial release, the annual delay rental above mentioned shall be reduced pr uportionately. Lessor hereby releases and relinquishes any right of homestead, dower or courtesy they or either of them may have in or to the i..ased land. Lessor hereby warrants and agrees to defend the title to the lands herein described, and agrees that the lessee shall have the right at any time to redeem for lessor, by payment, any mortgage, taxes or other liens on the above described lands in the event of de- fault of payment by lessor, and he subrogated to the rights of the holder thereof. This lease and all its terms, conditions and stipulations binds each executing lessor and shall extend to and be binding on his assigns, heirs and devisees and successors, and those of the lessee, though unsigned by other lessors named herein. IN WITNESS WHEREOF, We sign the day and year first above (SEAL) CARL HA53EL3U5H (SEAL) LIMA �rpr 1 al �;nrlirit>t J 524 1+d-1525 (SEAL) writte rti STATE OF�,G�JLIIRAAI7 SS. F, deacnl�-iti execute , t� INS rr My Coiiimieeio f c ..(SEAL) (SEAL) (SEAL) .(SEAL) CLA A HASSELBU5H (SEAL.) n Arizoa, Colorado, Idaho, Kansas, Montana Nebraska, Nevada, New Mexico, North Dakota, South Dakota, Utah, Wyoming ACKNOWLEDGMENT— INDIVIDUAL d State, on thio._................_.i7th t i 0: grad, a Notary Public, in and for said County an Ig 72 , personally appeared ._..GeT.l_..J!_a;�sQlh anO F��41�lit_i e ' 4 _---—......., to me known to be the identical peso day of u,d Ike within and foregoing instrument of writing and acknowledged to me that ...._...they .... __free and voluntary act and deed for the uses and purposes therein set forth. ..IiBSOF, I have hereunto set my band and affixed my notarial seal the day and yea above written. • STATE OF..._._........-.--._____ ---' ss. COUNTY OF BEFORE ME, the undersigned, a Notary Public, in and for said County and State, on thio ._.._........._.....— -- dap of ----_..�....._...___-. 19_ __..., personally appeared._....-. ..._..__ ___, to me known to be the identical person.........._., Arizona, Colorado, Idaho, Kansas, Montane Nebraska, Nevado, New Mexico, North Dakota, South Dakota, Utah, Wyoming ACKNOWLEDGMENT— INDIVIDUAL Notary Public and- deeaibed in and who executed the within and foregoing instrument of writing and acknowledged to me _---...--_•_____._...... executed the came nes _ _...-._--.-.-- • --•••dee and voluntary act and deed for the noes and purposes therein set forth. 1N WITNESS WHEREOF, I have hereunto set my hand and affixed my notarial seal the day and year last above written. My Commission Espirea_ ___. _ •----._.._—_..__ ..._ _—..._.... Notary Public State of County of On this day of A. D. 19.. -._ before me personally to me personally known. who. being by }ss. ACKNOWLEDGMENT (For use by Corporation) appeared me duly sworn. did say that he is the of and that the seal affixed to said instrument Is the corporate seal of said corpora- tion and that said instrument was signed and sealed in behalf of said corporation by authority of its Board of Directors. and said acknowledged said instrument to he the free act and deed of said corporation. A. D. 19 Witness niy hand and seal this day of (SEAL) My Commission expires This instrument was filed for record on the day of 19 at o'clock. M.. and duly recorded in Vuiume H.. Page of the records of this office. .nty Clerk. John Notary Public. When recorded return to Dunn . G. -)x 712 • Bill Barrett Corporation Circle B Laydown Yard Maps and Plans Tab Table of Contents 1. Garfield County Location Map 2. Zoning Map 3. Site Plan 4. As -Built Figure 5. Emergency Response Plan 6. Water Supply and Management Plan 7. Wastewater Management Plan 8. Redi Services Contract Maps and Plans - Table of Contents Garfield County Limited Impact Review, 2014 Page 1 of 1 z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard county location map.dwg 6/6/2013 9:03 AM Rifle CIRCLE B LAND LA YDOWN YARD SITE GARFIELD COUNTY COUNTY LOCATION MAP ■ "--tA 3 DRY HOLLOW ROAD COUNTY ROAD 331 1 ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: DATE: SHEET: PROJECT: DFT: N.T. S. 6/6/13 1 OF 1 EPPERLY TAB Bill Barrett Corporation CIRCLE fi LAND LAYDOWN YARD SITE COUNTY LOCATION MAP _� a ■ 1411111 114017,MA likalltkini daror:.sowim E Run 1 CIRCLEBLANDLAYDOWN YARD SITE GARFIELD COUNTY ZONING 1YIAF ECLIPSE Surveying, Inc. 999E THIRD ST SUITE 208, RIFLE, CO 81850 (970)925.3048 REV. SCALE SCALE: N.T.S. DATE: 5/4/I3 SHEET: 1 OF 1 PROTECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE ZONING 11M4P Zoning Map, Garfield County, CO ErillBiTA to Resolution BOCC 2003 - Legend 1 Foots Lanes 1 1 Resawce Lands jRWeI 1111111/1 7-1 Mdusas1 Rawden aaNiOWk4 NHanle Palk 1II ftaskenl�ankaan CammenlaaGaneral ! RasidenllsOvewban - Commerr+eu innted - P1101c Arparc - Planned OevehpmdA = Cly Zornag Pleased Sind Be ve4peresl I .I Rgel-ot•Way — Corompero. us.osas ,re. Z.70 nm1 yet u141 od and not represented on tlrra may+ 0 use Oe GROUNDWATER PROMBFLED Oda UMTRA ate) ZONE MAP SOURCE? 1 GIM.tl Cwmry Panndag 0Hprdmenl Zara Map Serhs r0er1.ee 20111 1ARE MAP SOURCE 1 it S.0 .4. P24.IXM i..7•pu.Cinndle maps and 1.30,4411 manly arras. 2 Cclxsde 4apa1meN el i nsp0TMUl Grsda1a 124111 s G.,4.2 krC.emr rro,prn+mrnr EPS omaaa. o ani. 2,2111. 100,00 21112) 4 6.011. # Caddy Pluming Rop.nmr)a so0drri,ion?A, r001)) mare ma 1301 lar or Wbprr A 0. HOS . rr.,. MAO .1MAI, p01e11Liaax.0 .&/A}arlon L Clmy[ay fJepua ,trJ JeanitaNn ,. .. ,. .. Garfield County 4!;tr7 _ _ ._..r.T.• ._..... e- - .+r. ...r..1... ..... ..... .. ..- .. - -.. _. .:. . WWac 1 0Sor0wnhllg.'2 n.arrna3 ., ECLIPSE Surveying, Inc. 999E THIRD ST SUITE 208, RIFLE, CO 81850 (970)925.3048 REV. SCALE SCALE: N.T.S. DATE: 5/4/I3 SHEET: 1 OF 1 PROTECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE ZONING 11M4P ,, B LAND LAYDOWN YARD - ITE PLAN CIRCLE S DESCRIPTION _ LEGAL ///\. �� c' `,��. % �,` SE1/4SW1/4 SECTION 23, TOWNSHIP 6 SOUTH, RANGE 92 WEST, 6TH P.M. /_.,,,,, '/ ° SHEET 6I� COUNTY OF GARFIELD STATE OF COLORADO o„i ,,/ / / , // 1 ` I / o o0 / / o SHEET 7 r -- // // / o w o / 1L i�: EET 5 // zNO /% \ I /( // \ 0 cn 1- 0 N SHEET o o_ \ \\ o I 8 \ 1 \CJ /// \\ // LJ w o w 0 Z 1 w 0 Q 1 SHEET 4 o I II PARENT PARCEL LEGAL DESCRIPTION: // I1 // z o II -II 1 II >Seo II II // �\� \\ \\ \\ I1 I ET % SHE3 , I I THE SE%4SW%4, SECTION 23, TOWNSHIP 6 SOUTH, RANGE 92 WEST OF THE 6TH //// / P.M., GARFIELD COUNTY, COLORADO // // REVIS o o - 4/23 Ln// \� j/ \\. I\ // // o \ \ N \ / // 1 SITLEGAL DESCRIPTION: co cm _ ./ o� o SHEET 2 ` i 1 I -- _-I\ — o 1 A LAYDOWN YARD SITE SITUATED IN THE SE%4SW%4, SECTION 23, TOWNSHIP 6 � /j — - _ 7 SHEET II LAYOUT 1 1 II �I I SOUTH, RANGE 92 WEST OF THE 6TH P.M., GARFIELD COUNTY, COLORADO, BEING MORE PARTICULARLY DESCRIBED AS FOLLOWS: BEGINNING AT THE SOUTHWEST CORNER OF SAID LAYDOWN YARD SITE, WHENCE THE SOUTHWEST CORNER OF SAID SECTION 23 BEARS N 88°46'31” W A DISTANCE OF 1995.93 FEET; THENCE FOLLOWING THE PERIMETER OF SAID STORAGE YARD SITE N 06°21'08" W A DISTANCE OF 478.37 FEET; THENCE N 35°03'48" W A DISTANCE OF 263.09 FEET; THENCE N 05°17'42" W A DISTANCE 1:0) — - - =MO SMITH OF 64.53 FEET; THENCE N 31°4826" E A DISTANCE OF 209.42 FEET; THENCE 'in9: CIRCLE B LAND 4111 411 - - 4111 411 N 78 °11 '10" E A DISTANCE OF 186.65 FEET; THENCE S 06°21 '08" E A DISTANCE OF - - _ ..—_ _ — 895.57 FEET; THENCE S 41°01'25" E A DISTANCE OF 114.85 FEET; THENCE — _ -- \ / / \ \\\ / / Ow 11 I °� 11 / I / -----, RESIDENCE N 88°46'31" W A DISTANCE OF 257.58 FEET TO THE POINT OF BEGINNING. PROPOSED SITE CONTAINS 5.00 ACRES± BEARINGS BASED ON NAD83, COLORADO STATE PLANE, CENTRAL ZONE NOTES w/ a //1.) / / �\ / / 208' \ l / / ° I I / / / / I I • ,10" E I / 11 /'// 65 l // //' 1 �4 a / O / �i' 1/ O �� I // a ° �� `1V / / G \ / \ ' DATE OF SURVEY.: JUNE, 2013. , 2.) THIS MAP WAS PREPARED WITHOUT THE BENEFIT OF A CURRENT TITLE COMMITMENT AND DOES NOT REPRESENT A TITLE SEARCH BY THIS SURVEYOR OR ECLIPSE SURVEYING, INC. OF THE PROPERTY SHOWN TO DETERMINE OWNERSHIP, COMPATIBILITY WITH ADJOINING PARCELS, OR EASEMENT OR ENCUMBRANCES OF RECORDS AFFECTING THIS PARCEL. 3.) THE EXISTING GRAVELED AREA IS NOT LOCATED WITHINA 30% SLOPE AREA. 4.) THE SHADED (SOLID) AREAS ILLUSTRATED HEREIN REPRESENT THE COMPUTER GENERATED ANALYSIS FOR SLOPES OF 20% AND GREATER. 5.) THIS SITE PLAN DOES NOT REPRESENT A BOUNDARY, IMPROVEMENT OR IMPROVEMENT LOCATION CERTIFICATE SURVEY BY ECLIPSE SURVEYING, INC. _AYDOWN YARD 'LAN 4 e• I' l' / I o / / I / / \ CIRCLE B LAYDOWN YARD LAT: 39.507322 N LONG: 107.636664 W 6.) APPROXIMATE ELEVATION OF THE SITE IS 5920', BASED ON WGS 84 DATUM AND GPS OBSERVATION. 7.) CONTOUR INTERVAL IS 2 FEET. — `� 0 W ZZ E- J I /' o'A`D / z \ / / 8.) SITE IS LOCATED IN THE GARFIELD COUNTY RURAL ZONE DISTRICT / / / 9.) ALL IMPROVEMENTS SHOWN ARE EXISTING CIRCLE B \ \\ \\ \ \ \\ I , Io I 1 �5 \ \ 10.) EXISTING BARN IS NOT TO BE USED FOR STORAGE ` //// \ �\ // `�s°��� \ \ I / / SURVEYOR'S STATEMENT \\ I /1, oma,�o� \ I co /1//I, JAMES A. KALMON, A REGISTERED LAND SURVEYOR, LICENSED \I II � w / / / UNDER THE LAWS OF THE STATE OF COLORADO DO HEREBY I ry III • I • III I I III O III //, O II II /�/ I ///// I \// I I \ / / / / I \ \ � / — i /'/ `\ \\ \ / / \ / / \ \ \ / / \ / / o I 1 I 1 I 0 ,—� I I /�—_—�N l I \N\`� OVERHEAD ELECTRIC ,30 I 1 \ffcc 1 I I o 1 1 'v, I I I 1 I I I I \ 1 1 \\\\ I EXISTING \ \ I I GRAVELED AREA \\\\ �� I I \ II \ \\ I I \\ I \ \ SIX LAZY K ROAD \ ,/ \ 0 II \ \ \\ \ \ I \\� 01 \ \ \ \ \ / / / / / / / / //// // / / / / //// 1 //// / /1:7 // / / / / / / / / / // / / CIRCLE B LAND CERTIFY THAT THE SURVEY SHOWN HEREON WAS PREPARED ON THIS DATE: JUNE 17, 2013 BY ME OR UNDER MY DIRECT SUPERVISION AND CHECKING AND THAT THIS MAP IS A TRUE REPRESENTATION THEREOF. II ox .,b-l7'I' J S��. ��� .�� JAMES A KALMON, COLORADO REGISTRATION NO. 38050 FOR AND ON BEHALF OF ECLIPSE SURVEYING, INC. BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 \\ / / \ / / \ \ / / \ \ \ / / _ z / ° \ z / \ \ I \ \ / \ \ \ \ / -, \ \ � \ S 41°01'25" E, 114.85' / / 1 \ \ — ��--� FOWLER -- I 1 I ��r 1 1,11 \—__- o- �'---- \-_ \ _---_�'� I GRAPHIC SCALE FILE: SITE _ / / — -� — — — DFT. TAB —� .�.�.— — I I 100 0 40 100 200 400 SECTION 23 1 I CK. JAK �\ N 88°46'31" W, 257.58' SECTION 26 I I DATE: 6/14/13 >.,, / GV cv �� XX pg�� / / / P.O.B. , j/ TIE TO SOUTHWEST — / CORNER SECTION 23: 1 I I 11 1 I ( IN FEET) 1 inch = 100 ft. PROJECT N0. CB LAYDWN — — — — z N 88°46'31" W, 1995.93' 1973 BRASS CAP GRAVEL ROAD 1 1 NOTICE: SHEET 1 / .A. I — — — e I I. 1. ACCORDING TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON ANY DEFECT. ECT IN THIS IN NO EVENTSMAYEY ANYITHIN ACTIONREE BASEDARS ON ANYER DEFOU ECTFIINST THIS SOVER URVEY BEH COMMENCED MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. 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THIRD ST., SUITE 208 IRIFE, CO 81650 Surveying, ! n . 970-625-3048 CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 / 1 r! /rte i' tri / // // ' ,> ,° I/ J / / ° i ', / / ,-'� / f / FILE: SITE DET. TAB ,,, ' `'/ - ' / `/ / ;` G / �/1PHIC SCA CK. JAK / / / /° ,' /' / f / / / / / /// // / �� / 1 / /�'/ ,, 1 II 4 li BLM DATE: 6/13/13 PROJECT NO. CB LAYDWN 11 1{ 1 NOTICE: �° ( IN FET } ' ` / 1 inch —f 10 ft. 1° / f °/ / f /` .' !/i �� SHEET 2 OF 8 ACCORDING TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON ANY DEFECT IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH DEFECT. IN NO EVENT MAY ANY ACTION BASED ON ANY DEFECT IN THIS SURVEY HE COMMENCED MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. jf + j 1 f I i r �! r! /1 /! 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THIRD ST., SUITE 208 mai Inc. RIFE, CO 81650 Surveying, ! n V. RIFE,970-625-3048 8165 CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 FIDE: SITE DET. TAB CK. JAK DATE: 6/13/13 { 4 ; MATCHLINE SHEET 2 / / / / /1 / % / / / / } } , \ \ \ \ \ \ �� `�, �� '�_ \ \ \ \ \ \ \ '-• `l ,� `\ \ 5 \, •* �.., { { •� ``. �. \` .` NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH NO EVENT MAY ANY ACTION BASED ON ANY DEFECT IN THIS SURVEY BE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. CB LAYDWN SHEET 3 OF 8 ACCORDING ANY DEFECT DEFECT. 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NOTICE: ACCORDING 10 COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON ANY DEFECT IN THIS SURVEY WITHIN THREE YEARS AFTER you FIRST DISCOVER SUCH DEFECT. IN NO EVENT MAY ANY ACTION BASED ON ANY DEFECT IN THIS SURVEY BE COMMENCED MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. DESCRIPTION ADDED 20% SLOPES ADDED DESCNATED PARKING & WELDING AREAS 0 11)5 LJ co CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION OLE: SITE DPI. TAB CK. 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THIRD ST., SUITE 208 il IRIFE, CO 81650 Surveying, ! n . 970-625-3048 CIRCLE B LAND LAYDOWN YARD SITE PLAN , ! ./..... / V MATCHLINE SHEET 7 ' .--------r. /'/ ./ / ' ' /!/' 7----- /'/ //// /f % / 7 f // / / / i / �, / r// / / r r / / / / !rte /' /' -'s / / '! _ / ✓7 / //:/:/7 /' r- / r / r // • /// DITCH LA PJOWN YARD,PAD /— !' (GRAVEL)� / ,/' : /` /� r ,'/ ' / - / / '' /- / /'' /`' , -'/ !' .....// _77/ \ - -- ,� - ` \ // - fr — ` -5910- — r 5912 �_ _ _ _ 4 ` Sg16 `-ti BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 oL 0 IP EIDE: SITE DTT. TAB CK. JAK DATE: 6/13/13 NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN SOR EYSUCH BA5EDYEARS 0N ANY DEFOCTU FINST THISDISCOVER NO EVENT SURVEY ANWITY pCTIONIN THREE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. 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DESCRIPTION ADDED 20% SLOPES ADDED STORAGE NOTE ADDED PARKING & WELDING AREAS op co 03 0 (/) iJ&74) 03 o (0 CO di CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION CD CD 00 LU cq ce- co p OLE: SITE DFT. TAB JAK DATE: 6/13/13 PROJECT NO CB LAYDWN SHEET 7 OF 8 1 r I , I I 1 I 1 I 1 ` 1 't, \ 1 'a \ \ _ f l\ , \ l • '\\\ \, `♦ - r !1 / f'- r ! ,1r \ �� / ,,� ,�''� 111 1 / V -DITCH / I !f / I./ ; : / I ! ! I %` : t /' /___ I , ' 1''2-:3 / 1 MATCHLINE SHEET 7 _ BARN o� ,./. , , ---- _ _ 9 10 II LA 1111 1 CIRCLE YDO SITE SHEET G1APHIC 0 5 10 B LAND WN YARD PLAN 8 OF 8 SCALE 20 40 DESCRIPTION \ - \ \� 1 — IIII1 • • l \\\ 4, ! 1 E !! 11 1 ! r! 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I r I i I ; I l ` 4 14l 11 44 1 1 1 1 •1 4 14 I , I I \ 4 1 4 r 1 I I i ' \lr ` t 4 1 l I i J + ,1 14 , 1 1 \\ I !1 !I, ; 1 I !! 1l !r i r I I I , •, �•‘ `\\ `44 1 I 1 j j I + 1 ‘ 1 4 W x W H -1111 ! , r j j 44 1 1 1 l .1 1 S 11 11 1 1 1 it ' I I I I \ % !I I !/ / i \ \ 114 1 l 11 r i 14 l 4 44 ` 1 \14„,! 1 I t[I l ` l ` 4hl ` 4 / 1 / / 1 1ti 1I \ / \\ / / / / \ \ 1 1 '� 1 i { ' 1 I 1 1 1 ! 1 1 / !! /I/ / /1 ! /' 1 !1 1 I 4 �, I I I I I I I l I I I 1 I rr 1 1 1 r ! f N • \. • I 1' / !! r / / /// s • ,• BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 FILE: SITE DFT. TAB CK. JAK DATE: 6/13/1 3 NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH NO EVENT MAY ANY ACTON BASED ON ANY DEFECT IN THIS SURVEY BE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. CB LAYDWN SHEET 8 OF 8 ACCORDING ANY DEFECT DEFECT. IN COMMENCED Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SE%4 SW%4 , SECTION 23, T. 6 S., R. 92 W. OF THE 6TH. P.M. GARFIELD COUNTY, COLORADO SMITH RECEPTION# 747018 S 88°42'42" E 1327.33' REMAINING PARCEL 5.057 ac. . �� � J � ,\ OVERHEAD ELECTRIC 20' WIDE HOLY CROSS ELECTRIC R.O.W. BOOK: 712 PAGE: 21 BOOK: 719 PAGE: 203 BOOK: 911 PAGE 273 FENCE u— - MEMO MEMO GRAVEL ROAD /, Il BARN I I I I I I III 2 -TRACK ROAD I I IIII NEW PARCEL 35.01% ac. III II 1327.09' — — Il 1327.09' //i Ill II 0 ,�1 N 88°46'31" W 4012 SQ. FT. R.O.W. BOOK:1676 PAGE:698 BLM NES'4NW1/4 SECTION 26 ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. DATE: SCALE: 1"=250' DATE: 2/28/ 13 SHEET: 1 OF 1 PROJECT: laydown yard DFT: JAO Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD EXHIBIT Bill Barrett Corporation EMEBGENCY RESPONSE - MANAGE ME NT PLAN 1099 18th Street, Suite 2300 Denver, CO 80202 December 2009 Revised May 2013 Table of Contents I. Introduction Support II. Injury / Illness Alert Procedure III. Spill Procedure IV. Other Incidents V. Emergency Levels VI. Communication / Evidence VII. HAZWOPER VIII. H2S Contingency Plan (if applicable) IX. General Telephone Numbers, Including Area Specific Telephone Numbers -Including Hospital and Emergency Responders 1. Introduction Serious incident situations, unless properly controlled, can result in loss of life and damage to public or private property. Situations resulting from spills can generate complex technical, legal and public relations problems. It cannot be overemphasized that the best way to handle emergency situations is to prevent their occurrence. This Plan is designed to help Bill Barrett Corporation (BBC) respond quickly and effectively to the problems presented by serious incidents when they do occur. The Plan's primary goal is to help the company prevent, as far as practical, any loss of life or damage to property, wildlife, or the ecology. Within this Response Plan you will find descriptions of the duties that must be accomplished when a serious incident occurs. It provides personnel with procedures for handling such incidents effectively. The Plan is prepared: 1. To serve as the basis for an organized action plan in dealing with emergencies and spills of all magnitudes. 2. To spell out responsibility, priority and importance in countering an emergency situation or major spill. 3. To provide information on the means of handling serious incidents and identify the organizations that are involved. 4. To tabulate the personnel and agencies that must be notified. Prompt action is mandatory. For this reason, the content of this Plan must be understood by the persons who may have need of it. All involved employees should be informed to take quick action to protect life and property and to immediately report the incident. The plan will require modification from time to time, as personnel change, as technologies advance, and as experience indicates improvements. The plan is to be reviewed annually by the EH&S staff to assure that it is up to date. This plan is not intended to replace existing Spill Prevention Control & Countermeasures (SPCC) Plans or other required Plans, but rather its purpose is to be a supplement providing general guidelines for emergency situations. Bill Barrett Corporation Incident Leader Appropriate VP and Emergency Response (ER) Facilitator EH&S On Site Incident Leader Operations Field Operations Legal Logistics Communications Security Finance EH&S Human Resources Note: Depending on the nature of the incident, multiple roles may be provided by one person. RESPONSE TEAM INCIDENT LEADER 1. Calls meeting of appropriate members to evaluate the incident. 2. Develops plan of action in conjunction with Team members. 3. Designates Field Response Team. 4. Implements Response Plan through delegation to appropriate members. 5. Monitors progress and ensures appropriate support activity. 6. Notifies Senior Vice President and EH&S Manager. ON-SITE INCIDENT LEADER 1. Leads Field Response Team and designates members and responsibilities. 2. Reports serious incident/spill to Incident Leader. 3. Preserves evidence at site. 4. Coordinates and directs contractor efforts. 5. Direct engineering efforts and acts in advisory capacity. 6. Sets priorities for onsite activities. 7. Keeps Incident Leader informed of status of operations. 8. Documents activities and personnel at incident site. 9. Coordinates efforts with other operational functions. FIELD OPERATIONS 1. Provides relief for the Field Superintendent. 2. Operations Support Technician may provide specific area EHS Technical Support and information. 3. Assists in non -associated daily operations. OPERATIONS 1. Establishes communications. 2. Ensures provisions for incident security. a. Incident site b. Field operations site c. Command center d. Staging areas e. Warehouses f. Other facilities as necessary 3. For contractor personnel injuries or fatalities, initiates and maintains contact with their employer in coordination with EH&S. 4. Claims and Right -of -Way Representative: (a) Responds to damage claims and obtains access and right-of-ways as necessary. 5. Operations Engineering: (a) Provides engineering support as needed. 6. Documentation Coordination: (a) Provides additional secretarial support as needed. (b) Collects and maintains incident information from all team members as appropriate. LOGISTICS 1. Schedules and provides for support needs to the response effort. 2. Alerts major service contractors of incident and activities as necessary to support needs. SECURITY 1. Establishes procedure to ensure authorized personnel vehicles access to secured facilities. 2. Arranges for security. 3. Coordinates security operations with local law enforcement and other government security agencies. 4. Maintains a record of all visitors to secured facilities. 5. Coordinates with EH&S and Legal Departments as appropriate. EH&S - Incidents 1. Investigates incident as appropriate. 2. Provides health and safety guidance to on-site employees. 3. For contractor personnel injuries or fatalities, initiates and maintains contact with their employer in coordination with Operations. 4. Develops a Site Safety Plan as necessary. 5. Provides necessary regulatory reporting. 6. Acts as liaison with regulatory agencies and Legal Dept.. 7. Coordinates operations conducted by Federal, State, Local agencies and contractors. 8. Prepares initial reports to agencies as required. 9. Advises the Incident Leader and Team of regulatory considerations. EH&S - Spills 1. Oversees all spill clean-up activities and implementing the overall clean-up strategy. Field personnel may direct actual onsite activities with coordination with EH&S. 2. Decides initial start-up strategy. 3. Obtains weather information as necessary. 4. Develops recommendations and plans with field personnel as necessary for keeping spilled materials away from sensitive areas. 5. Assists field personnel with availability of clean-up equipment and logistics. 6. Assists field personnel with transportation resources available. 7. Initiates Federal, State, and Local agency notifications. LEGAL 1. Review potential legal consequences. 2. Alert and instruct Incident Leader(s) of potential legal consequences. 3. Alert Senior Vice -President of potential legal consequences. 4. Work with Human Resources, EH&S and Operations on incident issues. 5. Notify insurance carriers as appropriate. HUMAN RESOURCES 1. In the event of personal injuries or fatalities with consultation from the Legal Department as appropriate: (a) For BBC employee, initiates and maintains family contact. (b) Maintains whereabouts and condition of injured personnel. FINANCE 1. Establishes necessary controls to validate labor, equipment, materials, consumables, etc. chargeable to the response. 2. Handles insurance filings. 3. Provides effective accounting, cost control, and office support functions for the response operations. Bill Barrett Corporation Emergency Response Incident Notification Procedure SPILL Employee (First Onsite or First Made Aware of Incident) TAKE NECESSARY STEPS TO SAFELY STOP SPILL SOURCE AND/OR PREVENT FURTHER_MIGRATION OF SPILL CONTACT ADDITIONAL SERVICES TO RESPOND AS NECESSARY SECURE SITE NOTIFY AREA SUPERINTENDENT OR DRILLING FOREMAN AS APPLICABLE AREA SUPERINTENDENT OR DRILLING FOREMAN (AS APPLICABLE) NOTIFY EH&S PERSONNEL AND TEAM LEADER OBTAIN ADDITIONAL INCIDENT INFORMATION AND PROVIDE INSTRUCTIONS TO ONSITE PERSONNEL AS QUALIFIED NOTIFY APPROPRIATE TEAM MEMBERS AND SENIOR MGT PERSONNEL DEPENDING ON INCIDENT LEVEL (1, 2, or 3) SEE INCIDENT LEVEL DEFINITIONS BELOW WORK WITH TEAM MEMBERS AND EH&S TO REMEDY INCIDENT EH&S NOTIFIES LEGAL DEPT. AND REGULATORY AGENCIES AS APPROPRIATE TEAM LEADER SERIOUS ACCIDENT, INJURY OR ILLNESS SAFELY ADMINISTER AID AS QUALIFIED AND CALL OR ASSIGN PERSONNEL TO CALL EMERGENCY SERVICES ENSURE THAT EMERGENCY SERVICES HAVE BEEN CONTACTED AND HAVE INCIDENT AND LOCATION INFO. SECURE SITE 1 NOTIFY EH&S PERSONNEL AND TEAM LEADER OBTAIN ADDITIONAL INCIDENT INFORMATION AND PROVIDE INSTRUCTIONS TO ONSITE PERSONNEL AS QUALIFIED NOTIFY APPROPRIATE TEAM MEMBERS AND SENIOR MGT PERSONNEL DEPENDING ON INCIDENT LEVEL (1, 2, or 3) SEE INCIDENT LEVEL DEFINITIONS BELOW 1 WORK WITH TEAM MEMBERS AND EH&S TO REMEDY INCIDENT 11. Injury/Illness Alert Procedure 1. The employee at the scene who is most qualified to do so will render first aid or assistance and assign personnel to call emergency services and notify the Area Foreman/Superintendent. 2. The Area Foreman/Superintendent will obtain details of the incident, assure that emergency services have been called, notify the Team Leader and EH&S Manager and direct further on-site activities. Notification will include, at a minimum, the following: • Date and time of incident. • Location of incident (with directions to site). • Description of incident and nature of injuries. • Location where injured employee was moved to. • Identity of emergency services present at site. • Other considerations (media attention, regulatory agencies at site, etc.) 3. The Team Leader will notify the appropriate Senior Management personnel and Response Team members. 4. The EH&S Manager will notify appropriate regulatory agencies and the Legal Department. If the EH&S Manager is unavailable, the Response Team person in charge of the incident will refer the reporting responsibility to the Legal Department. 5. If necessary, the Incident Leader will call a meeting of other appropriate members to assess the size and circumstances of the incident and develop a plan of action. 6. The Area Superintendent or his designee will act as on -scene coordinator, with action by Response Team members directed by the Team person in charge of the incident. See Section V for emergency level guidance. • In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. 0 Bill Barrett Corporation ON-THE-JOB INJURY OR ACCIDENT REPORT Provide the completed form to your local H&S Representative the EH&S Manager asap. 1. EMPLOYEE INFORMATION: ❑ BBC Employee ❑ Contractor Name of Injured Employee: (First) (Last) Company: Company Contact: Phone #: Injured Employee Address: (Street) (City) (State) (Zip) Date of Birth: Date Hired: ❑ Male ❑ Female 2. WORK INFORMATION: Work Location: 3. ACCIDENT DESCRIPTION: Exact Location of Accident: Job Description: Date of Accident: Time: a.m./p.m. Did the Accident Occur on BBC Property? ❑ Yes ❑ No Was Supervisor present when accident occurred? ❑ Yes ❑ No Supervisor's Name: How Many Hours Had Employee Been On Job? Working Shift: From a.m./p.m. To a.m./p.m. Date Injury First Reported to Employer: Name of Person Notified: Describe the injury/illness/accident in detail and indicate the part of the body and the side of the body affected: What was the employee doing when the accident occurred? BBC ON-THE-JOB INJURY OR ACCIDENT REPORT - Page 2 How did the accident occur? (Describe all activity leading up to the accident. Tell what material or tools were involved. Tell what happened just before, at the time of, and just after the accident.) What machine, tool, substance or object was most closely connected to the accident? Did Injury Occur Because of: Alcohol or drug use? Failure to use safety devices? Failure to obey rules? Unsafe act by injured or others? Unsafe Condition? Unsafe Personal Factors (attitude)? Was Weather a Factor? ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No If "yes" to any -explain: What personal protective equipment is required for the job? Was it Used? ❑ Yes ❑ No Name and contact info of witnesses: 4. MEDICAL TREATMENT INFORMATION: Did employee receive first aid at the scene: ❑ Yes n No If yes, describe first aid provided: Who provided the first aid?: Did employee receive professional medical attention? n Yes n No Doctor's Office n Yes n No Emergency Room/Clinic ❑ Yes ❑ No Admitted to Hospital? ❑ Yes ❑ No If yes, date of admission: Length of hospitalization (if) known: Did employee lose consciousness? ❑ Yes n No Did employee die? n Yes ❑ No Date of death: Name and address of medical provider: BBC ON-THE-JOB INJURY OR ACCIDENT REPORT - Page 3 Describe doctor's treatment and diagnosis (attach medical report if available): Date last worked: Has Employee Returned to Work? n Yes n No Date: If No, Estimate Number of Days Lost Other Info: Print Name: Signature: Date: Title: Phone #: III. SPILL ALERT PROCEDURE 1. The employee discovering the spill (or first at the spill site) will: A. Take actions to safely stop the release, contain it to the location, and prevent the spill from reaching surface water. B. Notify the Area Foreman/Superintendent and the EH&S Dept., giving details of estimated volume spilled, status of discharge, and other details that will facilitate response and clean-up. 2. The Area Foreman will: A. Mobilize material, equipment, and manpower to stop, contain, and clean up the discharge of the spill. B. Report spill to the Team Leader and EH&S Dept. (if EH&S not already notified). 3. The Team Leader will notify the Senior Management personnel and appropriate Response Team members. 4. EH&S will: A. Notify appropriate regulatory agencies, downstream Public Water Supply Systems and Legal Dept. B. Complete the appropriate incident reports. C. Provide remediation guidance. If EH&S is unavailable, the Response Team person in charge of the incident will notify the Legal Dept. for regulatory agency notifications. 5. If necessary, the Incident Leader will call a meeting of other appropriate members to assess the size and circumstances of the incident and develop a plan of action. 6. The Area Superintendent or his designee will act as on -scene coordinator, with action by Response Team members directed by the Team person in charge of the incident. * See Section V for emergency level guidance. Notes: a. For guidance of the proper handling and disposal of wastes, contact EH&S Dept. b. In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. c. All spills (crude oil, condensate, produced water, hazardous chemicals or E&P waste) > one barrel or any volume that affect surface water or ground water need to be reported to the Area Foreman and EH&S Dept. immediately. d. What is "surface water (Navigable Waters")? In addition to ponds, lakes, streams, and rivers, "surface water (or navigable waters)" can be defined as dry ditches, irrigation canals, wetlands, sloughs, and any other natural or man-made surface feature that contains water at least part of the time. e. No smoking shall be permitted within a minimum of 150 feet of free product, condensate or sources of natural gas. See Section V for emergency level guidance. Bill Barrett Spill Report Date Spill was Discovered: Time of Discovery: Well/Facility: Reporting Office: State: County: QrtQtr: Section: Twn: Rng: Meridian: Spill Discovered By: Company: Surface Ownership: (Check One) FEDERAL INDIAN FEE STATE Mineral Ownership: (Check One) FEDERAL INDIAN FEE STATE API# (Of Parent Well) Land owner Contacted: Y N_ Name: Number: Date and Time: Total Volume Spilled: (BBLs) Oil: Produced Water: Methanol: Other: (describe) Total Volume Recovered: (BBLs) Oil: Produced Water: Methanol: Other: (describe) Source and cause of the spill? Distance and direction the spill traveled? What is distance/direction to nearest surface water, water well or sensitive environment if less than 1/2 mile? Did the spill leave the location? Describe, include a diagram if needed. Did the spill reach any surface water feature or dry drainage? Describe, including noting any oil or sheen on water. Estimate: Area (sq ft): Max Depth. (ft) Soil Volume: (cubic yards) Describe spill cleanup and estimate spill cleanup schedule: Who was notified? By whom and at what time/date: Email to: sghan@a,billbarrettcorp.com, rfrishmuth@billbarrettcorp.com, chirtler@billbarrettcorp.com For immediate notification contact Scott Ghan at 970-744-8128 SPILLS NOTIFICATIONS The EH&S Dept. reports, as necessary, to the appropriate Government Agencies and obtains services from selected Contractors. REGULATORY AGENCIES OFFICE _ MOBILE OTHER COGCC 970-625-2497 303-809-2427 877-518-5608 Chenoweth & Assoc. (reclamation) 303-894-2100 Garfield County O&G Liaison 970-625-5905 970-309-5441 Custom Envir Svcs (24hr-ER) 970-625-5915 800-310-7445 (24 hr) Striegel Pipeline Construct. 970-625-5918 970-629-2940 City of Rifle — Utilities 970-625-6227 970-309-8548 970-379-6162 Town of Silt — Water/Wastewater 970-876-2353 Plant C D P H E 877-518-5608 National Reporting Center (NRC) 800-424-8802 EPA Region VIII 800-277-8917 BLM 970-947-2800 CONTRACTORS OFFICE MOBILE OTHER Kleinfelder (Air) 303-781-8211 303-809-2427 Chenoweth & Assoc. (reclamation) 303-833-1986 Olsson Assoc. (Remediation) 970- 263-7800 877-264-0123 (24 hr) Custom Envir Svcs (24hr-ER) 303-423-9949 800-310-7445 (24 hr) Striegel Pipeline Construct. 970-675-8444 970-629-2940 BLM: UNDESIRABLE EVENT REPORTING REQUIREMENTS Major Events: Must be reported orally to the appropriate District Engineer as soon as practical, but within a maximum of 24 hours. A written report must be submitted within 15 days. A. Oil, saltwater, and hazardous material spills or any combination thereof, which result in the discharge (spilling) of 100 or more barrels of liquid. B. Equipment failures or other accidents which result in the venting of 500 MCF or more of gas. C. Any fire which consumes the volumes specified in A and B above. D. Any spill, venting, or fire, regardless of the volume involved, which occurs in a sensitive area, e.g., parks, recreation sites, wildlife refuges, lakes, reservoirs, streams, and urban or suburban areas. E. Each accident which involves a fatal injury. F. Every blowout (loss of control of any well) that occurs. Other -Than -Major Events Written report must be submitted within 15 days. A. Oil, saltwater, and toxic liquid spills, or any combination thereof, which result in the discharge (spilling) of at least 10 but less than 100 barrels of liquid in non -sensitive areas. B. Equipment failures or other accidents which result in the venting of at least 50 but less than 500 MCF of gas in non -sensitive areas. C. Any fire which consumes volumes in the ranges specified in A and B above. D. Each accident involving a major or life-threatening injury. Spills or discharges in non -sensitive area involving less than 10 barrels of liquid or 50 MCF of gas do not require an oral or written report; however, the volumes discharged or vented as a result of all such minor incidents must be reported on the Monthly Report of Operations (Form 9-329). The Volume and value of such losses must also be reported in the Monthly Report of Sales and Royalty (Form 9-361). IV. Other Serious Incidents • Damage to company, contractor or general public property • Fires and Explosions • Business Interruption/Civil Disturbance • Government inspection with civil or criminal sanctions • Adverse publicity and media attention • Well blow out • Security Incident / Bomb Threat • Gaseous releases of hazardous materials • Severe Weather 1. The employee first aware of the incident or who is first on the scene will render assistance if necessary or call for emergency services if appropriate. Steps should then be taken to correct the problem or reduce the spread or magnitude of the situation only if it is safe to do so. The employee will then notify the Superintendent/Area Foreman. 2. The Superintendent/Area Foreman will obtain details of the incident, notify the Team Leader and EH&S Dept. and direct further on-site activities. Notification will consist of appropriate information to adequately convey the nature, size and circumstances of the incident and develop a plan of action. 3. The Team Leader will notify the Senior Management personnel and appropriate Response Team members. EH&S will notify the Legal Dept. 4. If necessary, the Incident Leader will call a meeting of other appropriate Team embers to assess the size and circumstances of the incident and develop a plan of action. 5. The Superintendent/Area Foreman and/or designee will act as on -scene coordinator(s), with action by Response Team members directed by the Team person in charge. * In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. * See Section V for emergency level guidance. 24 -Hour Reporting System In order to facilitate notification of staff functions, a 24-hour serious incident notification system is in place. The intent of the system is to provide for a timely and accurate notification of the staff divisions in the event of incidents which may put the Company at risk. It is designed to minimize the company's exposure and make sure all the necessary parties are informed. V. Emergency Levels Level 1 (Lowest Level): Incident which can be effectively managed within the region without activating the Emergency Response System. Notification to Sr. Vice President determined by the nature of the incident. 1. An incident without fire, recordable injuries, public involvement or adverse media involvement. 2. Spills to water equal to or Tess than reporting requirement. 3. An incidental release of a substance which can be absorbed, neutralized, or otherwise controlled at the time of a release by employees in the immediate area and that does not pose a potential safety or health hazard or threat to the environment and is not immediately reportable to any government agency. 4. Property Damage Less than $50,000. Emergency Levels (cont) Level 2 (Intermediate Level) Incidents which require notification to Sr. Vice President. Corporate notification determined by the nature of the incident. Emergency Response Teams may be activated depending on the nature of the incident. 1. Incidents involving recordable or serious injury to employees, dependents, contractors, or the public as a result of Company activities. 2. Any other incident or situation which may create a serious risk to life, property, or the environment. 3. Spills to water, releases, explosions, fires, or other incidents that are required to be immediately reported to any government agency. 4. Property Damage from $50,000 to $100,000. 5. Incidents that may expose the Company to significant liability whether employees are involved or not (e.g. vehicle accident). 6. Significant Notices of Violation, fines, penalties, administrative orders, etc., received from any government agency. 7. Fires which are controlled and immediately extinguished. 8. Any event that affects the public, or is likely to attract adverse media coverage. 9. Incidents that affect others which are a concern for the Company (e.g. helicopter, or facility incidents involving other operators) . 10. Natural Disasters. 11. Severe Weather Events. Emergency Levels (cont) Level 3 (Highest Level) Incidents which require notification to all levels of management. Emergency Response Teams may be activated depending on the nature of the incident. 1. Death or injury to any person which has a substantial risk of permanent disability or impairment. 2. Major spills, toxic gas releases, or other significant environmental damage. 3. Blowouts. 4. Fires not immediately controlled and extinguished. 5. Property damage greater than $100,000. 6. Incidents that have potential for national/international media coverage. 7. Incidents that could significantly impact the Company's cash flow and/ or financial performance. VI. Communication / Evidence It is important when an emergency is identified that notification to an employee's supervisor is made as soon as possible. It is mandatory that notices be given internally as soon as practical. Notification will follow the reporting hierarchy for BBC. The first person to identify the emergency will report it to his/her supervisor. If a person's supervisor cannot be immediately reached with the known contact (i.e. telephone numbers of home, office, portable phone, or pager) then the next person on the list must be notified. At each notification, instructions may be received to be implemented. Each person receiving notification then is responsible for contacting up the chain of command. Notification to regulatory authorities should be made only after discussion the situation with the Senior onsite BBC Supervisor. Communication Techniques 1. Communication must be through a two-way confirmed means. Use of messages on a voice recorder or answering machine does not constitute notification. A message may be left, but the next person up the chain of command must be contacted. 2. If a line is busy, advise the operator that you have an emergency and get the operator to interrupt the line. 3. Make sure the person you are communicating with understands you. This can be done by asking them to repeat key parts of your discussion. 4. If you are calling someone you do not frequently talk to, make sure you identify yourself and where you can be reached. 5. If working with a radio communication, call out the person you want to talk to followed by your name (E.G. "Kurt, this is Greg, do you read me?") Wait long enough for a response. The person may be away from the radio and may need some time to get back, 6. If calling by telephone, let the phone ring at least six times before hanging up. 7. Do not hesitate to call above your supervisor if your supervisor is unreachable. 8. Have relevant information available before starting notification. This does not mean a complete report of everything, but as a minimum the following: A. Location or facility and call back phone number B. Type of emergency. C. Time and date first noticed. D. Magnitude of emergency (e.g. size of fire or spill, number of people involved, injuries, if other properties or companies are involved). E. What you have done prior to making your notification. F. What your plans are in responding to the emergency. G. What are the weather conditions? H. What, if any, outside notifications have been made. I. What assistance you need. J. When you will call back with a subsequent report. Communication Equipment The primary means of communications will be by telephone and radio. Field operations that are Company operated will utilize two-way radio(s) communications and/or mobile telephones. Communications are designed to allow supervisors to be in contact with the Region office. Drillings rigs are usually equipped with either radio systems that communicate with the drilling contractor or mobile telephones. All drilling locations will have some means of two-way communications either onsite or within a 15 -minute drive (all types of weather). Community/Public Affairs Communication and public affairs are best handled by persons trained in dealing with the media. All media inquiries should be directed to the Regulatory/Public Relations and/or Legal Department unless specific direction is given by these groups to individual personnel. Estimates or speculations as to cause or size of the problem must never be made. Assume any camera or recorder in the area is ON at all times (it just may be). Encourage the media to speak with Public Relations or Legal Department personnel in the Denver office for any detailed information. Preserving the Evidence In the aftermath of a serious incident, it becomes necessary to investigate the incident in order to determine cause and corrective actions. Perhaps the most important aspect of this investigation is determining the facts, and as such, the preservation of the evidence is of great importance. With the assistance of personnel involved at the incident scene, the evidence can be preserved and a more beneficial investigation performed. The following are basic guidelines which should be followed: 1. Secure the Area Rope off or other control access into the incident site. Access by non - company personnel (including contractor personnel even if involved in the incident) is NOT allowed unless specific management approval has been obtained. The only exception being necessary access by emergency medical rescuers and fire fighters. 2. Preserve the Evidence As much as possible, don't disturb objects relating to the incident. If unavoidable, stake or mark its location and record what was there. Never allow evidence to leave the scene without approval. 3. Document the Evidence The Incident Leader is responsible for preserving all documentation until the investigator(s) arrive at the scene. 4. Identify Witnesses If persons who witnessed the incident cannot remain on the scene to be interviewed during the investigation, get their names and pertinent information so that they can be located later. VII. HAZWOPER INDEX • Introduction • HAZWOPER Plan Narrative A. Pre -Emergency Planning B. Personnel Roles and Line of Authority C. Evacuation, Safe Distances, and Places of Refuge D. Employee Safety During a Hazwoper Response E. Response Evaluation & Follow -Up HAZWOPER Introduction HAZWOPER stands for "Hazardous Waste Operations and Emergency Response". HAZWOPER is a regulation designed to establish a management plan for emergencies involving hazardous materials. It is applicable to oil field operations primarily through the regulations addressing emergency responses to hazardous substance releases. HAZWOPER defines an emergency response, or responding to emergencies, as a response effort by employees from outside the immediate release area or by other designated responders (e.g., local fire departments, mutual -aid groups, designated HAZMAT Team, etc.) to an occurrence which results or potentially results in an uncontrolled release of a hazardous substance. For the purposes of this plan, the term "immediate release area" has been defined as encompassing the Superintendent's/Area Foreman's geographical area; therefore, if an emergency situation can be mitigated by Company personnel, it is not a HAZWOPER Emergency. In the event that an uncontrolled release requires the response of specially trained emergency teams to stop or control the release (e.g. Fire Department, Department of Health Services, etc.), it is a HAZWOPER response and the procedures in this section of the "Response Manual" must be followed. The EH&S and Legal Departments must be immediately notified in this instance. HAZWOPER Plan Narrative A. Preplanning Response Actions Preplanning is the key to a successful emergency management plan. Planning is handled through the training of company employees, formulation of emergency response activities, and pre -planned coordination with outside emergency responders. The following items constitute BBC's preplanning actions. All field employees will be trained in Hazard Communication and Emergency Response. This includes hazardous material container labeling, access to, and understanding Material Safety Data sheets, and responding to emergencies involving hazardous materials. Specific emergency scenarios and appropriate responses will be discussed in these training sessions. In the event of a HAZWOPER emergency, response activities will be coordinated with contract companies trained to respond to HAZWOPER. The names of these companies and their emergency numbers can be found in Sections III and IV of this Plan. B. Personnel Roles and Lines of Authority If an incident is classified as a HAZWOPER response, the Superintendent/ Area Foreman responsible for the facility requiring the response shall supervise BBC personnel in emergency response activities and perform all reporting requirements pursuant to this Emergency Response Plan. He/she will continue to perform these duties until such time as the responding Emergency Response Team arrives. Upon the arrival of the trained Emergency Response (ER) Team, the ranking official of said team will coordinate with the BBC Incident Leader. After that point, all emergency response activities will be conducted under the direction of the ER and Incident Leader. C. Evacuation, Safe Distances, and Places of Refuge Evacuation - The open air nature of oil and gas operations generally permits numerous safe evacuation routes. In areas where this is not the case, employees are directed to attempt escape along a route that takes them upwind of an incident. Crosswind escape is suggested only until upwind escape is appropriate. Wind direction indicators are installed on all properties where H2S gas has been identified. Safe Distances - Prior to the arrival of the Incident Leader mentioned in Section B, the Superintendent/Area Foreman or designee shall be responsible for establishing the distance from the hazardous scene. After the Incident Leader arrives on the scene, safe distances will be established at his/her discretion. Places of Refuge should be established as appropriate for BBC operations. D. Employee Safety During a HAZWOPER Response All field employees will be trained to insure that they can operate certain equipment on the property during an emergency in order to bring the emergency condition under control. In the course of these operations the employee may be exposed to a hazardous environment, become injured, or have his/her clothing become contaminated with a hazardous material. The following items will address these issues. Personal Protection Equipment Specific (PPE) is available to every employee. The type of equipment available to the employee will vary depending on the hazards inherent in the subject work area. Selection, safe use, limitations, maintenance, care and storage will be covered in employee training. The Company's policies and procedures pertaining to PPE are found in the EH&S Manual located in each area office. Employees should only respond to an incident if the hazards are obvious and that employee is trained to respond to the specific hazards involved and the proper PPE is available. Emergency Medical Services will be provided by local hospitals, urgent care centers, and fire departments. Services have been identified in Section IX of this Plan and are listed by BBC operating area name. Decontamination of clothing equipment will be coordinated with BBC EH&S staff. The MSDS will be consulted for proper disposal of contaminated items. E. Response Evaluation & Follow -Up After a HAZWOPER response has occurred, the Emergency Response Review committee will submit a report to management discussing the emergency response as requested. A copy of this report will be kept in the files. The Emergency Response Review Committee: • Operations/Area Manager • Environmental, Health & Safety Manager • Superintendent/Area Foreman The report will identify: • Nature and Cause of emergency • Statistics pertaining to emergency (i.e. damage, injuries, etc.) • Effectiveness of Company Emergency Response Personnel • Corrective Measures taken to prevent recurrence of similar emergency at this location (considering applicability to other locations) VIII. H2S CONTINGENCY PLAN SCOPE The purpose of this Section is to provide an organized plan of action to protect the general public and employees in the event of an accidental release of a potentially hazardous volume of hydrogen sulfide (H2S), or other toxic/hazardous gas. PRESENTLY NO H2S LOCATIONS UNDER OPERATION IN COLORADO, UTAH LOCATION INFORMATION PREVAILING WIND - LINES UNDER DOT REGULATION - STATE/FEDERAL LEASES - FIELD FUEL - OTHER - SEE SECTION IX FOR AREA SPECIFIC INFORMATION. Bill Barrett Corporation Circle B Laydown Yard Maps and Plans Tab Table of Contents 1. Garfield County Location Map 2. Zoning Map 3. Site Plan 4. As -Built Figure 5. Emergency Response Plan 6. Water Supply and Management Plan 7. Wastewater Management Plan 8. Redi Services Contract Maps and Plans - Table of Contents Garfield County Limited Impact Review, 2014 Page 1 of 1 z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard county location map.dwg 6/6/2013 9:03 AM Rifle CIRCLE B LAND LA YDOWN YARD SITE GARFIELD COUNTY COUNTY LOCATION MAP ■ "--tA 3 DRY HOLLOW ROAD COUNTY ROAD 331 1 ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: DATE: SHEET: PROJECT: DFT: N.T. S. 6/6/13 1 OF 1 EPPERLY TAB Bill Barrett Corporation CIRCLE fi LAND LAYDOWN YARD SITE COUNTY LOCATION MAP _� a ■ 1411111 114017,MA likalltkini daror:.sowim E Run 1 CIRCLEBLANDLAYDOWN YARD SITE GARFIELD COUNTY ZONING 1YIAF ECLIPSE Surveying, Inc. 999E THIRD ST SUITE 208, RIFLE, CO 81850 (970)925.3048 REV. SCALE SCALE: N.T.S. DATE: 5/4/I3 SHEET: 1 OF 1 PROTECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE ZONING 11M4P Zoning Map, Garfield County, CO ErillBiTA to Resolution BOCC 2003 - Legend 1 Foots Lanes 1 1 Resawce Lands jRWeI 1111111/1 7-1 Mdusas1 Rawden aaNiOWk4 NHanle Palk 1II ftaskenl�ankaan CammenlaaGaneral ! RasidenllsOvewban - Commerr+eu innted - P1101c Arparc - Planned OevehpmdA = Cly Zornag Pleased Sind Be ve4peresl I .I Rgel-ot•Way — Corompero. us.osas ,re. Z.70 nm1 yet u141 od and not represented on tlrra may+ 0 use Oe GROUNDWATER PROMBFLED Oda UMTRA ate) ZONE MAP SOURCE? 1 GIM.tl Cwmry Panndag 0Hprdmenl Zara Map Serhs r0er1.ee 20111 1ARE MAP SOURCE 1 it S.0 .4. P24.IXM i..7•pu.Cinndle maps and 1.30,4411 manly arras. 2 Cclxsde 4apa1meN el i nsp0TMUl Grsda1a 124111 s G.,4.2 krC.emr rro,prn+mrnr EPS omaaa. o ani. 2,2111. 100,00 21112) 4 6.011. # Caddy Pluming Rop.nmr)a so0drri,ion?A, r001)) mare ma 1301 lar or Wbprr A 0. HOS . rr.,. MAO .1MAI, p01e11Liaax.0 .&/A}arlon L Clmy[ay fJepua ,trJ JeanitaNn ,. .. ,. .. Garfield County 4!;tr7 _ _ ._..r.T.• ._..... e- - .+r. ...r..1... ..... ..... .. ..- .. - -.. _. .:. . WWac 1 0Sor0wnhllg.'2 n.arrna3 ., ECLIPSE Surveying, Inc. 999E THIRD ST SUITE 208, RIFLE, CO 81850 (970)925.3048 REV. SCALE SCALE: N.T.S. DATE: 5/4/I3 SHEET: 1 OF 1 PROTECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SITE ZONING 11M4P ,, B LAND LAYDOWN YARD - ITE PLAN CIRCLE S DESCRIPTION _ LEGAL ///\. �� c' `,��. % �,` SE1/4SW1/4 SECTION 23, TOWNSHIP 6 SOUTH, RANGE 92 WEST, 6TH P.M. /_.,,,,, '/ ° SHEET 6I� COUNTY OF GARFIELD STATE OF COLORADO o„i ,,/ / / , // 1 ` I / o o0 / / o SHEET 7 r -- // // / o w o / 1L i�: EET 5 // zNO /% \ I /( // \ 0 cn 1- 0 N SHEET o o_ \ \\ o I 8 \ 1 \CJ /// \\ // LJ w o w 0 Z 1 w 0 Q 1 SHEET 4 o I II PARENT PARCEL LEGAL DESCRIPTION: // I1 // z o II -II 1 II >Seo II II // �\� \\ \\ \\ I1 I ET % SHE3 , I I THE SE%4SW%4, SECTION 23, TOWNSHIP 6 SOUTH, RANGE 92 WEST OF THE 6TH //// / P.M., GARFIELD COUNTY, COLORADO // // REVIS o o - 4/23 Ln// \� j/ \\. I\ // // o \ \ N \ / // 1 SITLEGAL DESCRIPTION: co cm _ ./ o� o SHEET 2 ` i 1 I -- _-I\ — o 1 A LAYDOWN YARD SITE SITUATED IN THE SE%4SW%4, SECTION 23, TOWNSHIP 6 � /j — - _ 7 SHEET II LAYOUT 1 1 II �I I SOUTH, RANGE 92 WEST OF THE 6TH P.M., GARFIELD COUNTY, COLORADO, BEING MORE PARTICULARLY DESCRIBED AS FOLLOWS: BEGINNING AT THE SOUTHWEST CORNER OF SAID LAYDOWN YARD SITE, WHENCE THE SOUTHWEST CORNER OF SAID SECTION 23 BEARS N 88°46'31” W A DISTANCE OF 1995.93 FEET; THENCE FOLLOWING THE PERIMETER OF SAID STORAGE YARD SITE N 06°21'08" W A DISTANCE OF 478.37 FEET; THENCE N 35°03'48" W A DISTANCE OF 263.09 FEET; THENCE N 05°17'42" W A DISTANCE 1:0) — - - =MO SMITH OF 64.53 FEET; THENCE N 31°4826" E A DISTANCE OF 209.42 FEET; THENCE 'in9: CIRCLE B LAND 4111 411 - - 4111 411 N 78 °11 '10" E A DISTANCE OF 186.65 FEET; THENCE S 06°21 '08" E A DISTANCE OF - - _ ..—_ _ — 895.57 FEET; THENCE S 41°01'25" E A DISTANCE OF 114.85 FEET; THENCE — _ -- \ / / \ \\\ / / Ow 11 I °� 11 / I / -----, RESIDENCE N 88°46'31" W A DISTANCE OF 257.58 FEET TO THE POINT OF BEGINNING. PROPOSED SITE CONTAINS 5.00 ACRES± BEARINGS BASED ON NAD83, COLORADO STATE PLANE, CENTRAL ZONE NOTES w/ a //1.) / / �\ / / 208' \ l / / ° I I / / / / I I • ,10" E I / 11 /'// 65 l // //' 1 �4 a / O / �i' 1/ O �� I // a ° �� `1V / / G \ / \ ' DATE OF SURVEY.: JUNE, 2013. , 2.) THIS MAP WAS PREPARED WITHOUT THE BENEFIT OF A CURRENT TITLE COMMITMENT AND DOES NOT REPRESENT A TITLE SEARCH BY THIS SURVEYOR OR ECLIPSE SURVEYING, INC. OF THE PROPERTY SHOWN TO DETERMINE OWNERSHIP, COMPATIBILITY WITH ADJOINING PARCELS, OR EASEMENT OR ENCUMBRANCES OF RECORDS AFFECTING THIS PARCEL. 3.) THE EXISTING GRAVELED AREA IS NOT LOCATED WITHINA 30% SLOPE AREA. 4.) THE SHADED (SOLID) AREAS ILLUSTRATED HEREIN REPRESENT THE COMPUTER GENERATED ANALYSIS FOR SLOPES OF 20% AND GREATER. 5.) THIS SITE PLAN DOES NOT REPRESENT A BOUNDARY, IMPROVEMENT OR IMPROVEMENT LOCATION CERTIFICATE SURVEY BY ECLIPSE SURVEYING, INC. _AYDOWN YARD 'LAN 4 e• I' l' / I o / / I / / \ CIRCLE B LAYDOWN YARD LAT: 39.507322 N LONG: 107.636664 W 6.) APPROXIMATE ELEVATION OF THE SITE IS 5920', BASED ON WGS 84 DATUM AND GPS OBSERVATION. 7.) CONTOUR INTERVAL IS 2 FEET. — `� 0 W ZZ E- J I /' o'A`D / z \ / / 8.) SITE IS LOCATED IN THE GARFIELD COUNTY RURAL ZONE DISTRICT / / / 9.) ALL IMPROVEMENTS SHOWN ARE EXISTING CIRCLE B \ \\ \\ \ \ \\ I , Io I 1 �5 \ \ 10.) EXISTING BARN IS NOT TO BE USED FOR STORAGE ` //// \ �\ // `�s°��� \ \ I / / SURVEYOR'S STATEMENT \\ I /1, oma,�o� \ I co /1//I, JAMES A. KALMON, A REGISTERED LAND SURVEYOR, LICENSED \I II � w / / / UNDER THE LAWS OF THE STATE OF COLORADO DO HEREBY I ry III • I • III I I III O III //, O II II /�/ I ///// I \// I I \ / / / / I \ \ � / — i /'/ `\ \\ \ / / \ / / \ \ \ / / \ / / o I 1 I 1 I 0 ,—� I I /�—_—�N l I \N\`� OVERHEAD ELECTRIC ,30 I 1 \ffcc 1 I I o 1 1 'v, I I I 1 I I I I \ 1 1 \\\\ I EXISTING \ \ I I GRAVELED AREA \\\\ �� I I \ II \ \\ I I \\ I \ \ SIX LAZY K ROAD \ ,/ \ 0 II \ \ \\ \ \ I \\� 01 \ \ \ \ \ / / / / / / / / //// // / / / / //// 1 //// / /1:7 // / / / / / / / / / // / / CIRCLE B LAND CERTIFY THAT THE SURVEY SHOWN HEREON WAS PREPARED ON THIS DATE: JUNE 17, 2013 BY ME OR UNDER MY DIRECT SUPERVISION AND CHECKING AND THAT THIS MAP IS A TRUE REPRESENTATION THEREOF. II ox .,b-l7'I' J S��. ��� .�� JAMES A KALMON, COLORADO REGISTRATION NO. 38050 FOR AND ON BEHALF OF ECLIPSE SURVEYING, INC. BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 \\ / / \ / / \ \ / / \ \ \ / / _ z / ° \ z / \ \ I \ \ / \ \ \ \ / -, \ \ � \ S 41°01'25" E, 114.85' / / 1 \ \ — ��--� FOWLER -- I 1 I ��r 1 1,11 \—__- o- �'---- \-_ \ _---_�'� I GRAPHIC SCALE FILE: SITE _ / / — -� — — — DFT. TAB —� .�.�.— — I I 100 0 40 100 200 400 SECTION 23 1 I CK. JAK �\ N 88°46'31" W, 257.58' SECTION 26 I I DATE: 6/14/13 >.,, / GV cv �� XX pg�� / / / P.O.B. , j/ TIE TO SOUTHWEST — / CORNER SECTION 23: 1 I I 11 1 I ( IN FEET) 1 inch = 100 ft. PROJECT N0. CB LAYDWN — — — — z N 88°46'31" W, 1995.93' 1973 BRASS CAP GRAVEL ROAD 1 1 NOTICE: SHEET 1 / .A. I — — — e I I. 1. ACCORDING TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON ANY DEFECT. ECT IN THIS IN NO EVENTSMAYEY ANYITHIN ACTIONREE BASEDARS ON ANYER DEFOU ECTFIINST THIS SOVER URVEY BEH COMMENCED MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. 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THIRD ST., SUITE 208 IRIFE, CO 81650 Surveying, ! n . 970-625-3048 CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 / 1 r! /rte i' tri / // // ' ,> ,° I/ J / / ° i ', / / ,-'� / f / FILE: SITE DET. TAB ,,, ' `'/ - ' / `/ / ;` G / �/1PHIC SCA CK. JAK / / / /° ,' /' / f / / / / / /// // / �� / 1 / /�'/ ,, 1 II 4 li BLM DATE: 6/13/13 PROJECT NO. CB LAYDWN 11 1{ 1 NOTICE: �° ( IN FET } ' ` / 1 inch —f 10 ft. 1° / f °/ / f /` .' !/i �� SHEET 2 OF 8 ACCORDING TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON ANY DEFECT IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH DEFECT. IN NO EVENT MAY ANY ACTION BASED ON ANY DEFECT IN THIS SURVEY HE COMMENCED MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. jf + j 1 f I i r �! r! /1 /! 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THIRD ST., SUITE 208 mai Inc. RIFE, CO 81650 Surveying, ! n V. RIFE,970-625-3048 8165 CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 FIDE: SITE DET. TAB CK. JAK DATE: 6/13/13 { 4 ; MATCHLINE SHEET 2 / / / / /1 / % / / / / } } , \ \ \ \ \ \ �� `�, �� '�_ \ \ \ \ \ \ \ '-• `l ,� `\ \ 5 \, •* �.., { { •� ``. �. \` .` NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH NO EVENT MAY ANY ACTION BASED ON ANY DEFECT IN THIS SURVEY BE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. CB LAYDWN SHEET 3 OF 8 ACCORDING ANY DEFECT DEFECT. 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THIRD ST., SUITE 208 il IRIFE, CO 81650 Surveying, ! n . 970-625-3048 CIRCLE B LAND LAYDOWN YARD SITE PLAN , ! ./..... / V MATCHLINE SHEET 7 ' .--------r. /'/ ./ / ' ' /!/' 7----- /'/ //// /f % / 7 f // / / / i / �, / r// / / r r / / / / !rte /' /' -'s / / '! _ / ✓7 / //:/:/7 /' r- / r / r // • /// DITCH LA PJOWN YARD,PAD /— !' (GRAVEL)� / ,/' : /` /� r ,'/ ' / - / / '' /- / /'' /`' , -'/ !' .....// _77/ \ - -- ,� - ` \ // - fr — ` -5910- — r 5912 �_ _ _ _ 4 ` Sg16 `-ti BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 oL 0 IP EIDE: SITE DTT. TAB CK. JAK DATE: 6/13/13 NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN SOR EYSUCH BA5EDYEARS 0N ANY DEFOCTU FINST THISDISCOVER NO EVENT SURVEY ANWITY pCTIONIN THREE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. 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DESCRIPTION ADDED 20% SLOPES ADDED STORAGE NOTE ADDED PARKING & WELDING AREAS op co 03 0 (/) iJ&74) 03 o (0 CO di CIRCLE B LAND LAYDOWN YARD SITE PLAN BILL BARRETT CORPORATION CD CD 00 LU cq ce- co p OLE: SITE DFT. TAB JAK DATE: 6/13/13 PROJECT NO CB LAYDWN SHEET 7 OF 8 1 r I , I I 1 I 1 I 1 ` 1 't, \ 1 'a \ \ _ f l\ , \ l • '\\\ \, `♦ - r !1 / f'- r ! ,1r \ �� / ,,� ,�''� 111 1 / V -DITCH / I !f / I./ ; : / I ! ! I %` : t /' /___ I , ' 1''2-:3 / 1 MATCHLINE SHEET 7 _ BARN o� ,./. , , ---- _ _ 9 10 II LA 1111 1 CIRCLE YDO SITE SHEET G1APHIC 0 5 10 B LAND WN YARD PLAN 8 OF 8 SCALE 20 40 DESCRIPTION \ - \ \� 1 — IIII1 • • l \\\ 4, ! 1 E !! 11 1 ! r! 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I �•\ 1 \r \ 1 \`, \ \ LAYf��WN • r •. r1 I I 1 1l 44 l 444 1 14 0 °� �-' \\ \ \ \\ • r• \ • , r \\ \ 11 14 l 11 I i 44 1 44 t 11 4 YARD P 4[� (GRAVEL) '-'-q \\ \' \\\ \ I \ \ \ ,\ , r\ • • l rr vV• . 4 4 `. 1 4 ` 4 I l 4 1 • 1� kio a '\ 1 4 1 44 14 14 1 1 4l 1 l 1, •A \ r\ 1 1 I , l I l I ! I i i I i I l 44 11 l 4 4 V A r \\ \ \ \ \ \ \ 1 1 1 Il \ o c 441 ` I I l II I i i I I + 4 y 4 I 1 i I ll \ \ v 1\ A ,\ \ \ \ A \ 1 o 1 I I 1 1 I 1 I \ I w I I I IIlk ` I 1y 1 1 I 1 I i I I I 4 4 1 1 1 - LC] W W \ \ ; �76r \ \. \ \ a..... 1+ / 1 \ \ 11 1 1 II \ ! / 1 -....„ \� (n Li ECLIPSE 111 E. THIRD ST., SUITE 208 oar RIFE, CO 81650 j Surveying, Inc. RIFE, CO 8165 CIRCLE B LAND LAYDOWN YARD SITE PLAN Il \ r\ •\ • \ r\ \ \ �� 1 \ 1 1' 1 ` \ \\1 �°� 1 I I I 4 I I 4 4 ! I r I i I ; I l ` 4 14l 11 44 1 1 1 1 •1 4 14 I , I I \ 4 1 4 r 1 I I i ' \lr ` t 4 1 l I i J + ,1 14 , 1 1 \\ I !1 !I, ; 1 I !! 1l !r i r I I I , •, �•‘ `\\ `44 1 I 1 j j I + 1 ‘ 1 4 W x W H -1111 ! , r j j 44 1 1 1 l .1 1 S 11 11 1 1 1 it ' I I I I \ % !I I !/ / i \ \ 114 1 l 11 r i 14 l 4 44 ` 1 \14„,! 1 I t[I l ` l ` 4hl ` 4 / 1 / / 1 1ti 1I \ / \\ / / / / \ \ 1 1 '� 1 i { ' 1 I 1 1 1 ! 1 1 / !! /I/ / /1 ! /' 1 !1 1 I 4 �, I I I I I I I l I I I 1 I rr 1 1 1 r ! f N • \. • I 1' / !! r / / /// s • ,• BILL BARRETT CORPORATION 1099 18TH STREET, SUITE 2300 DENVER, CO 80202 FILE: SITE DFT. TAB CK. JAK DATE: 6/13/1 3 NOTICE: ( IN FEET ) 1 inch = 10 ft. TO COLORADO LAW, YOU MUST COMMENCE ANY LEGAL ACTION BASED UPON IN THIS SURVEY WITHIN THREE YEARS AFTER YOU FIRST DISCOVER SUCH NO EVENT MAY ANY ACTON BASED ON ANY DEFECT IN THIS SURVEY BE MORE THAN TEN YEARS FORM THE DATE OF CERTIFICATION SHOWN HEREON. PROJECT NO. CB LAYDWN SHEET 8 OF 8 ACCORDING ANY DEFECT DEFECT. IN COMMENCED Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD SE%4 SW%4 , SECTION 23, T. 6 S., R. 92 W. OF THE 6TH. P.M. GARFIELD COUNTY, COLORADO SMITH RECEPTION# 747018 S 88°42'42" E 1327.33' REMAINING PARCEL 5.057 ac. . �� � J � ,\ OVERHEAD ELECTRIC 20' WIDE HOLY CROSS ELECTRIC R.O.W. BOOK: 712 PAGE: 21 BOOK: 719 PAGE: 203 BOOK: 911 PAGE 273 FENCE u— - MEMO MEMO GRAVEL ROAD /, Il BARN I I I I I I III 2 -TRACK ROAD I I IIII NEW PARCEL 35.01% ac. III II 1327.09' — — Il 1327.09' //i Ill II 0 ,�1 N 88°46'31" W 4012 SQ. FT. R.O.W. BOOK:1676 PAGE:698 BLM NES'4NW1/4 SECTION 26 ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. DATE: SCALE: 1"=250' DATE: 2/28/ 13 SHEET: 1 OF 1 PROJECT: laydown yard DFT: JAO Bill Barrett Corporation CIRCLE B LAND LAYDOWN YARD EXHIBIT Bill Barrett Corporation EMEBGENCY RESPONSE - MANAGE ME NT PLAN 1099 18th Street, Suite 2300 Denver, CO 80202 December 2009 Revised May 2013 Table of Contents I. Introduction Support II. Injury / Illness Alert Procedure III. Spill Procedure IV. Other Incidents V. Emergency Levels VI. Communication / Evidence VII. HAZWOPER VIII. H2S Contingency Plan (if applicable) IX. General Telephone Numbers, Including Area Specific Telephone Numbers -Including Hospital and Emergency Responders 1. Introduction Serious incident situations, unless properly controlled, can result in loss of life and damage to public or private property. Situations resulting from spills can generate complex technical, legal and public relations problems. It cannot be overemphasized that the best way to handle emergency situations is to prevent their occurrence. This Plan is designed to help Bill Barrett Corporation (BBC) respond quickly and effectively to the problems presented by serious incidents when they do occur. The Plan's primary goal is to help the company prevent, as far as practical, any loss of life or damage to property, wildlife, or the ecology. Within this Response Plan you will find descriptions of the duties that must be accomplished when a serious incident occurs. It provides personnel with procedures for handling such incidents effectively. The Plan is prepared: 1. To serve as the basis for an organized action plan in dealing with emergencies and spills of all magnitudes. 2. To spell out responsibility, priority and importance in countering an emergency situation or major spill. 3. To provide information on the means of handling serious incidents and identify the organizations that are involved. 4. To tabulate the personnel and agencies that must be notified. Prompt action is mandatory. For this reason, the content of this Plan must be understood by the persons who may have need of it. All involved employees should be informed to take quick action to protect life and property and to immediately report the incident. The plan will require modification from time to time, as personnel change, as technologies advance, and as experience indicates improvements. The plan is to be reviewed annually by the EH&S staff to assure that it is up to date. This plan is not intended to replace existing Spill Prevention Control & Countermeasures (SPCC) Plans or other required Plans, but rather its purpose is to be a supplement providing general guidelines for emergency situations. Bill Barrett Corporation Incident Leader Appropriate VP and Emergency Response (ER) Facilitator EH&S On Site Incident Leader Operations Field Operations Legal Logistics Communications Security Finance EH&S Human Resources Note: Depending on the nature of the incident, multiple roles may be provided by one person. RESPONSE TEAM INCIDENT LEADER 1. Calls meeting of appropriate members to evaluate the incident. 2. Develops plan of action in conjunction with Team members. 3. Designates Field Response Team. 4. Implements Response Plan through delegation to appropriate members. 5. Monitors progress and ensures appropriate support activity. 6. Notifies Senior Vice President and EH&S Manager. ON-SITE INCIDENT LEADER 1. Leads Field Response Team and designates members and responsibilities. 2. Reports serious incident/spill to Incident Leader. 3. Preserves evidence at site. 4. Coordinates and directs contractor efforts. 5. Direct engineering efforts and acts in advisory capacity. 6. Sets priorities for onsite activities. 7. Keeps Incident Leader informed of status of operations. 8. Documents activities and personnel at incident site. 9. Coordinates efforts with other operational functions. FIELD OPERATIONS 1. Provides relief for the Field Superintendent. 2. Operations Support Technician may provide specific area EHS Technical Support and information. 3. Assists in non -associated daily operations. OPERATIONS 1. Establishes communications. 2. Ensures provisions for incident security. a. Incident site b. Field operations site c. Command center d. Staging areas e. Warehouses f. Other facilities as necessary 3. For contractor personnel injuries or fatalities, initiates and maintains contact with their employer in coordination with EH&S. 4. Claims and Right -of -Way Representative: (a) Responds to damage claims and obtains access and right-of-ways as necessary. 5. Operations Engineering: (a) Provides engineering support as needed. 6. Documentation Coordination: (a) Provides additional secretarial support as needed. (b) Collects and maintains incident information from all team members as appropriate. LOGISTICS 1. Schedules and provides for support needs to the response effort. 2. Alerts major service contractors of incident and activities as necessary to support needs. SECURITY 1. Establishes procedure to ensure authorized personnel vehicles access to secured facilities. 2. Arranges for security. 3. Coordinates security operations with local law enforcement and other government security agencies. 4. Maintains a record of all visitors to secured facilities. 5. Coordinates with EH&S and Legal Departments as appropriate. EH&S - Incidents 1. Investigates incident as appropriate. 2. Provides health and safety guidance to on-site employees. 3. For contractor personnel injuries or fatalities, initiates and maintains contact with their employer in coordination with Operations. 4. Develops a Site Safety Plan as necessary. 5. Provides necessary regulatory reporting. 6. Acts as liaison with regulatory agencies and Legal Dept.. 7. Coordinates operations conducted by Federal, State, Local agencies and contractors. 8. Prepares initial reports to agencies as required. 9. Advises the Incident Leader and Team of regulatory considerations. EH&S - Spills 1. Oversees all spill clean-up activities and implementing the overall clean-up strategy. Field personnel may direct actual onsite activities with coordination with EH&S. 2. Decides initial start-up strategy. 3. Obtains weather information as necessary. 4. Develops recommendations and plans with field personnel as necessary for keeping spilled materials away from sensitive areas. 5. Assists field personnel with availability of clean-up equipment and logistics. 6. Assists field personnel with transportation resources available. 7. Initiates Federal, State, and Local agency notifications. LEGAL 1. Review potential legal consequences. 2. Alert and instruct Incident Leader(s) of potential legal consequences. 3. Alert Senior Vice -President of potential legal consequences. 4. Work with Human Resources, EH&S and Operations on incident issues. 5. Notify insurance carriers as appropriate. HUMAN RESOURCES 1. In the event of personal injuries or fatalities with consultation from the Legal Department as appropriate: (a) For BBC employee, initiates and maintains family contact. (b) Maintains whereabouts and condition of injured personnel. FINANCE 1. Establishes necessary controls to validate labor, equipment, materials, consumables, etc. chargeable to the response. 2. Handles insurance filings. 3. Provides effective accounting, cost control, and office support functions for the response operations. Bill Barrett Corporation Emergency Response Incident Notification Procedure SPILL Employee (First Onsite or First Made Aware of Incident) TAKE NECESSARY STEPS TO SAFELY STOP SPILL SOURCE AND/OR PREVENT FURTHER_MIGRATION OF SPILL CONTACT ADDITIONAL SERVICES TO RESPOND AS NECESSARY SECURE SITE NOTIFY AREA SUPERINTENDENT OR DRILLING FOREMAN AS APPLICABLE AREA SUPERINTENDENT OR DRILLING FOREMAN (AS APPLICABLE) NOTIFY EH&S PERSONNEL AND TEAM LEADER OBTAIN ADDITIONAL INCIDENT INFORMATION AND PROVIDE INSTRUCTIONS TO ONSITE PERSONNEL AS QUALIFIED NOTIFY APPROPRIATE TEAM MEMBERS AND SENIOR MGT PERSONNEL DEPENDING ON INCIDENT LEVEL (1, 2, or 3) SEE INCIDENT LEVEL DEFINITIONS BELOW WORK WITH TEAM MEMBERS AND EH&S TO REMEDY INCIDENT EH&S NOTIFIES LEGAL DEPT. AND REGULATORY AGENCIES AS APPROPRIATE TEAM LEADER SERIOUS ACCIDENT, INJURY OR ILLNESS SAFELY ADMINISTER AID AS QUALIFIED AND CALL OR ASSIGN PERSONNEL TO CALL EMERGENCY SERVICES ENSURE THAT EMERGENCY SERVICES HAVE BEEN CONTACTED AND HAVE INCIDENT AND LOCATION INFO. SECURE SITE 1 NOTIFY EH&S PERSONNEL AND TEAM LEADER OBTAIN ADDITIONAL INCIDENT INFORMATION AND PROVIDE INSTRUCTIONS TO ONSITE PERSONNEL AS QUALIFIED NOTIFY APPROPRIATE TEAM MEMBERS AND SENIOR MGT PERSONNEL DEPENDING ON INCIDENT LEVEL (1, 2, or 3) SEE INCIDENT LEVEL DEFINITIONS BELOW 1 WORK WITH TEAM MEMBERS AND EH&S TO REMEDY INCIDENT 11. Injury/Illness Alert Procedure 1. The employee at the scene who is most qualified to do so will render first aid or assistance and assign personnel to call emergency services and notify the Area Foreman/Superintendent. 2. The Area Foreman/Superintendent will obtain details of the incident, assure that emergency services have been called, notify the Team Leader and EH&S Manager and direct further on-site activities. Notification will include, at a minimum, the following: • Date and time of incident. • Location of incident (with directions to site). • Description of incident and nature of injuries. • Location where injured employee was moved to. • Identity of emergency services present at site. • Other considerations (media attention, regulatory agencies at site, etc.) 3. The Team Leader will notify the appropriate Senior Management personnel and Response Team members. 4. The EH&S Manager will notify appropriate regulatory agencies and the Legal Department. If the EH&S Manager is unavailable, the Response Team person in charge of the incident will refer the reporting responsibility to the Legal Department. 5. If necessary, the Incident Leader will call a meeting of other appropriate members to assess the size and circumstances of the incident and develop a plan of action. 6. The Area Superintendent or his designee will act as on -scene coordinator, with action by Response Team members directed by the Team person in charge of the incident. See Section V for emergency level guidance. • In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. 0 Bill Barrett Corporation ON-THE-JOB INJURY OR ACCIDENT REPORT Provide the completed form to your local H&S Representative the EH&S Manager asap. 1. EMPLOYEE INFORMATION: ❑ BBC Employee ❑ Contractor Name of Injured Employee: (First) (Last) Company: Company Contact: Phone #: Injured Employee Address: (Street) (City) (State) (Zip) Date of Birth: Date Hired: ❑ Male ❑ Female 2. WORK INFORMATION: Work Location: 3. ACCIDENT DESCRIPTION: Exact Location of Accident: Job Description: Date of Accident: Time: a.m./p.m. Did the Accident Occur on BBC Property? ❑ Yes ❑ No Was Supervisor present when accident occurred? ❑ Yes ❑ No Supervisor's Name: How Many Hours Had Employee Been On Job? Working Shift: From a.m./p.m. To a.m./p.m. Date Injury First Reported to Employer: Name of Person Notified: Describe the injury/illness/accident in detail and indicate the part of the body and the side of the body affected: What was the employee doing when the accident occurred? BBC ON-THE-JOB INJURY OR ACCIDENT REPORT - Page 2 How did the accident occur? (Describe all activity leading up to the accident. Tell what material or tools were involved. Tell what happened just before, at the time of, and just after the accident.) What machine, tool, substance or object was most closely connected to the accident? Did Injury Occur Because of: Alcohol or drug use? Failure to use safety devices? Failure to obey rules? Unsafe act by injured or others? Unsafe Condition? Unsafe Personal Factors (attitude)? Was Weather a Factor? ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No If "yes" to any -explain: What personal protective equipment is required for the job? Was it Used? ❑ Yes ❑ No Name and contact info of witnesses: 4. MEDICAL TREATMENT INFORMATION: Did employee receive first aid at the scene: ❑ Yes n No If yes, describe first aid provided: Who provided the first aid?: Did employee receive professional medical attention? n Yes n No Doctor's Office n Yes n No Emergency Room/Clinic ❑ Yes ❑ No Admitted to Hospital? ❑ Yes ❑ No If yes, date of admission: Length of hospitalization (if) known: Did employee lose consciousness? ❑ Yes n No Did employee die? n Yes ❑ No Date of death: Name and address of medical provider: BBC ON-THE-JOB INJURY OR ACCIDENT REPORT - Page 3 Describe doctor's treatment and diagnosis (attach medical report if available): Date last worked: Has Employee Returned to Work? n Yes n No Date: If No, Estimate Number of Days Lost Other Info: Print Name: Signature: Date: Title: Phone #: III. SPILL ALERT PROCEDURE 1. The employee discovering the spill (or first at the spill site) will: A. Take actions to safely stop the release, contain it to the location, and prevent the spill from reaching surface water. B. Notify the Area Foreman/Superintendent and the EH&S Dept., giving details of estimated volume spilled, status of discharge, and other details that will facilitate response and clean-up. 2. The Area Foreman will: A. Mobilize material, equipment, and manpower to stop, contain, and clean up the discharge of the spill. B. Report spill to the Team Leader and EH&S Dept. (if EH&S not already notified). 3. The Team Leader will notify the Senior Management personnel and appropriate Response Team members. 4. EH&S will: A. Notify appropriate regulatory agencies, downstream Public Water Supply Systems and Legal Dept. B. Complete the appropriate incident reports. C. Provide remediation guidance. If EH&S is unavailable, the Response Team person in charge of the incident will notify the Legal Dept. for regulatory agency notifications. 5. If necessary, the Incident Leader will call a meeting of other appropriate members to assess the size and circumstances of the incident and develop a plan of action. 6. The Area Superintendent or his designee will act as on -scene coordinator, with action by Response Team members directed by the Team person in charge of the incident. * See Section V for emergency level guidance. Notes: a. For guidance of the proper handling and disposal of wastes, contact EH&S Dept. b. In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. c. All spills (crude oil, condensate, produced water, hazardous chemicals or E&P waste) > one barrel or any volume that affect surface water or ground water need to be reported to the Area Foreman and EH&S Dept. immediately. d. What is "surface water (Navigable Waters")? In addition to ponds, lakes, streams, and rivers, "surface water (or navigable waters)" can be defined as dry ditches, irrigation canals, wetlands, sloughs, and any other natural or man-made surface feature that contains water at least part of the time. e. No smoking shall be permitted within a minimum of 150 feet of free product, condensate or sources of natural gas. See Section V for emergency level guidance. Bill Barrett Spill Report Date Spill was Discovered: Time of Discovery: Well/Facility: Reporting Office: State: County: QrtQtr: Section: Twn: Rng: Meridian: Spill Discovered By: Company: Surface Ownership: (Check One) FEDERAL INDIAN FEE STATE Mineral Ownership: (Check One) FEDERAL INDIAN FEE STATE API# (Of Parent Well) Land owner Contacted: Y N_ Name: Number: Date and Time: Total Volume Spilled: (BBLs) Oil: Produced Water: Methanol: Other: (describe) Total Volume Recovered: (BBLs) Oil: Produced Water: Methanol: Other: (describe) Source and cause of the spill? Distance and direction the spill traveled? What is distance/direction to nearest surface water, water well or sensitive environment if less than 1/2 mile? Did the spill leave the location? Describe, include a diagram if needed. Did the spill reach any surface water feature or dry drainage? Describe, including noting any oil or sheen on water. Estimate: Area (sq ft): Max Depth. (ft) Soil Volume: (cubic yards) Describe spill cleanup and estimate spill cleanup schedule: Who was notified? By whom and at what time/date: Email to: sghan@a,billbarrettcorp.com, rfrishmuth@billbarrettcorp.com, chirtler@billbarrettcorp.com For immediate notification contact Scott Ghan at 970-744-8128 SPILLS NOTIFICATIONS The EH&S Dept. reports, as necessary, to the appropriate Government Agencies and obtains services from selected Contractors. REGULATORY AGENCIES OFFICE _ MOBILE OTHER COGCC 970-625-2497 303-809-2427 877-518-5608 Chenoweth & Assoc. (reclamation) 303-894-2100 Garfield County O&G Liaison 970-625-5905 970-309-5441 Custom Envir Svcs (24hr-ER) 970-625-5915 800-310-7445 (24 hr) Striegel Pipeline Construct. 970-625-5918 970-629-2940 City of Rifle — Utilities 970-625-6227 970-309-8548 970-379-6162 Town of Silt — Water/Wastewater 970-876-2353 Plant C D P H E 877-518-5608 National Reporting Center (NRC) 800-424-8802 EPA Region VIII 800-277-8917 BLM 970-947-2800 CONTRACTORS OFFICE MOBILE OTHER Kleinfelder (Air) 303-781-8211 303-809-2427 Chenoweth & Assoc. (reclamation) 303-833-1986 Olsson Assoc. (Remediation) 970- 263-7800 877-264-0123 (24 hr) Custom Envir Svcs (24hr-ER) 303-423-9949 800-310-7445 (24 hr) Striegel Pipeline Construct. 970-675-8444 970-629-2940 BLM: UNDESIRABLE EVENT REPORTING REQUIREMENTS Major Events: Must be reported orally to the appropriate District Engineer as soon as practical, but within a maximum of 24 hours. A written report must be submitted within 15 days. A. Oil, saltwater, and hazardous material spills or any combination thereof, which result in the discharge (spilling) of 100 or more barrels of liquid. B. Equipment failures or other accidents which result in the venting of 500 MCF or more of gas. C. Any fire which consumes the volumes specified in A and B above. D. Any spill, venting, or fire, regardless of the volume involved, which occurs in a sensitive area, e.g., parks, recreation sites, wildlife refuges, lakes, reservoirs, streams, and urban or suburban areas. E. Each accident which involves a fatal injury. F. Every blowout (loss of control of any well) that occurs. Other -Than -Major Events Written report must be submitted within 15 days. A. Oil, saltwater, and toxic liquid spills, or any combination thereof, which result in the discharge (spilling) of at least 10 but less than 100 barrels of liquid in non -sensitive areas. B. Equipment failures or other accidents which result in the venting of at least 50 but less than 500 MCF of gas in non -sensitive areas. C. Any fire which consumes volumes in the ranges specified in A and B above. D. Each accident involving a major or life-threatening injury. Spills or discharges in non -sensitive area involving less than 10 barrels of liquid or 50 MCF of gas do not require an oral or written report; however, the volumes discharged or vented as a result of all such minor incidents must be reported on the Monthly Report of Operations (Form 9-329). The Volume and value of such losses must also be reported in the Monthly Report of Sales and Royalty (Form 9-361). IV. Other Serious Incidents • Damage to company, contractor or general public property • Fires and Explosions • Business Interruption/Civil Disturbance • Government inspection with civil or criminal sanctions • Adverse publicity and media attention • Well blow out • Security Incident / Bomb Threat • Gaseous releases of hazardous materials • Severe Weather 1. The employee first aware of the incident or who is first on the scene will render assistance if necessary or call for emergency services if appropriate. Steps should then be taken to correct the problem or reduce the spread or magnitude of the situation only if it is safe to do so. The employee will then notify the Superintendent/Area Foreman. 2. The Superintendent/Area Foreman will obtain details of the incident, notify the Team Leader and EH&S Dept. and direct further on-site activities. Notification will consist of appropriate information to adequately convey the nature, size and circumstances of the incident and develop a plan of action. 3. The Team Leader will notify the Senior Management personnel and appropriate Response Team members. EH&S will notify the Legal Dept. 4. If necessary, the Incident Leader will call a meeting of other appropriate Team embers to assess the size and circumstances of the incident and develop a plan of action. 5. The Superintendent/Area Foreman and/or designee will act as on -scene coordinator(s), with action by Response Team members directed by the Team person in charge. * In the event that any of the above mentioned persons are unavailable, the normal next step in the chain of command should be contacted. * See Section V for emergency level guidance. 24 -Hour Reporting System In order to facilitate notification of staff functions, a 24-hour serious incident notification system is in place. The intent of the system is to provide for a timely and accurate notification of the staff divisions in the event of incidents which may put the Company at risk. It is designed to minimize the company's exposure and make sure all the necessary parties are informed. V. Emergency Levels Level 1 (Lowest Level): Incident which can be effectively managed within the region without activating the Emergency Response System. Notification to Sr. Vice President determined by the nature of the incident. 1. An incident without fire, recordable injuries, public involvement or adverse media involvement. 2. Spills to water equal to or Tess than reporting requirement. 3. An incidental release of a substance which can be absorbed, neutralized, or otherwise controlled at the time of a release by employees in the immediate area and that does not pose a potential safety or health hazard or threat to the environment and is not immediately reportable to any government agency. 4. Property Damage Less than $50,000. Emergency Levels (cont) Level 2 (Intermediate Level) Incidents which require notification to Sr. Vice President. Corporate notification determined by the nature of the incident. Emergency Response Teams may be activated depending on the nature of the incident. 1. Incidents involving recordable or serious injury to employees, dependents, contractors, or the public as a result of Company activities. 2. Any other incident or situation which may create a serious risk to life, property, or the environment. 3. Spills to water, releases, explosions, fires, or other incidents that are required to be immediately reported to any government agency. 4. Property Damage from $50,000 to $100,000. 5. Incidents that may expose the Company to significant liability whether employees are involved or not (e.g. vehicle accident). 6. Significant Notices of Violation, fines, penalties, administrative orders, etc., received from any government agency. 7. Fires which are controlled and immediately extinguished. 8. Any event that affects the public, or is likely to attract adverse media coverage. 9. Incidents that affect others which are a concern for the Company (e.g. helicopter, or facility incidents involving other operators) . 10. Natural Disasters. 11. Severe Weather Events. Emergency Levels (cont) Level 3 (Highest Level) Incidents which require notification to all levels of management. Emergency Response Teams may be activated depending on the nature of the incident. 1. Death or injury to any person which has a substantial risk of permanent disability or impairment. 2. Major spills, toxic gas releases, or other significant environmental damage. 3. Blowouts. 4. Fires not immediately controlled and extinguished. 5. Property damage greater than $100,000. 6. Incidents that have potential for national/international media coverage. 7. Incidents that could significantly impact the Company's cash flow and/ or financial performance. VI. Communication / Evidence It is important when an emergency is identified that notification to an employee's supervisor is made as soon as possible. It is mandatory that notices be given internally as soon as practical. Notification will follow the reporting hierarchy for BBC. The first person to identify the emergency will report it to his/her supervisor. If a person's supervisor cannot be immediately reached with the known contact (i.e. telephone numbers of home, office, portable phone, or pager) then the next person on the list must be notified. At each notification, instructions may be received to be implemented. Each person receiving notification then is responsible for contacting up the chain of command. Notification to regulatory authorities should be made only after discussion the situation with the Senior onsite BBC Supervisor. Communication Techniques 1. Communication must be through a two-way confirmed means. Use of messages on a voice recorder or answering machine does not constitute notification. A message may be left, but the next person up the chain of command must be contacted. 2. If a line is busy, advise the operator that you have an emergency and get the operator to interrupt the line. 3. Make sure the person you are communicating with understands you. This can be done by asking them to repeat key parts of your discussion. 4. If you are calling someone you do not frequently talk to, make sure you identify yourself and where you can be reached. 5. If working with a radio communication, call out the person you want to talk to followed by your name (E.G. "Kurt, this is Greg, do you read me?") Wait long enough for a response. The person may be away from the radio and may need some time to get back, 6. If calling by telephone, let the phone ring at least six times before hanging up. 7. Do not hesitate to call above your supervisor if your supervisor is unreachable. 8. Have relevant information available before starting notification. This does not mean a complete report of everything, but as a minimum the following: A. Location or facility and call back phone number B. Type of emergency. C. Time and date first noticed. D. Magnitude of emergency (e.g. size of fire or spill, number of people involved, injuries, if other properties or companies are involved). E. What you have done prior to making your notification. F. What your plans are in responding to the emergency. G. What are the weather conditions? H. What, if any, outside notifications have been made. I. What assistance you need. J. When you will call back with a subsequent report. Communication Equipment The primary means of communications will be by telephone and radio. Field operations that are Company operated will utilize two-way radio(s) communications and/or mobile telephones. Communications are designed to allow supervisors to be in contact with the Region office. Drillings rigs are usually equipped with either radio systems that communicate with the drilling contractor or mobile telephones. All drilling locations will have some means of two-way communications either onsite or within a 15 -minute drive (all types of weather). Community/Public Affairs Communication and public affairs are best handled by persons trained in dealing with the media. All media inquiries should be directed to the Regulatory/Public Relations and/or Legal Department unless specific direction is given by these groups to individual personnel. Estimates or speculations as to cause or size of the problem must never be made. Assume any camera or recorder in the area is ON at all times (it just may be). Encourage the media to speak with Public Relations or Legal Department personnel in the Denver office for any detailed information. Preserving the Evidence In the aftermath of a serious incident, it becomes necessary to investigate the incident in order to determine cause and corrective actions. Perhaps the most important aspect of this investigation is determining the facts, and as such, the preservation of the evidence is of great importance. With the assistance of personnel involved at the incident scene, the evidence can be preserved and a more beneficial investigation performed. The following are basic guidelines which should be followed: 1. Secure the Area Rope off or other control access into the incident site. Access by non - company personnel (including contractor personnel even if involved in the incident) is NOT allowed unless specific management approval has been obtained. The only exception being necessary access by emergency medical rescuers and fire fighters. 2. Preserve the Evidence As much as possible, don't disturb objects relating to the incident. If unavoidable, stake or mark its location and record what was there. Never allow evidence to leave the scene without approval. 3. Document the Evidence The Incident Leader is responsible for preserving all documentation until the investigator(s) arrive at the scene. 4. Identify Witnesses If persons who witnessed the incident cannot remain on the scene to be interviewed during the investigation, get their names and pertinent information so that they can be located later. VII. HAZWOPER INDEX • Introduction • HAZWOPER Plan Narrative A. Pre -Emergency Planning B. Personnel Roles and Line of Authority C. Evacuation, Safe Distances, and Places of Refuge D. Employee Safety During a Hazwoper Response E. Response Evaluation & Follow -Up HAZWOPER Introduction HAZWOPER stands for "Hazardous Waste Operations and Emergency Response". HAZWOPER is a regulation designed to establish a management plan for emergencies involving hazardous materials. It is applicable to oil field operations primarily through the regulations addressing emergency responses to hazardous substance releases. HAZWOPER defines an emergency response, or responding to emergencies, as a response effort by employees from outside the immediate release area or by other designated responders (e.g., local fire departments, mutual -aid groups, designated HAZMAT Team, etc.) to an occurrence which results or potentially results in an uncontrolled release of a hazardous substance. For the purposes of this plan, the term "immediate release area" has been defined as encompassing the Superintendent's/Area Foreman's geographical area; therefore, if an emergency situation can be mitigated by Company personnel, it is not a HAZWOPER Emergency. In the event that an uncontrolled release requires the response of specially trained emergency teams to stop or control the release (e.g. Fire Department, Department of Health Services, etc.), it is a HAZWOPER response and the procedures in this section of the "Response Manual" must be followed. The EH&S and Legal Departments must be immediately notified in this instance. HAZWOPER Plan Narrative A. Preplanning Response Actions Preplanning is the key to a successful emergency management plan. Planning is handled through the training of company employees, formulation of emergency response activities, and pre -planned coordination with outside emergency responders. The following items constitute BBC's preplanning actions. All field employees will be trained in Hazard Communication and Emergency Response. This includes hazardous material container labeling, access to, and understanding Material Safety Data sheets, and responding to emergencies involving hazardous materials. Specific emergency scenarios and appropriate responses will be discussed in these training sessions. In the event of a HAZWOPER emergency, response activities will be coordinated with contract companies trained to respond to HAZWOPER. The names of these companies and their emergency numbers can be found in Sections III and IV of this Plan. B. Personnel Roles and Lines of Authority If an incident is classified as a HAZWOPER response, the Superintendent/ Area Foreman responsible for the facility requiring the response shall supervise BBC personnel in emergency response activities and perform all reporting requirements pursuant to this Emergency Response Plan. He/she will continue to perform these duties until such time as the responding Emergency Response Team arrives. Upon the arrival of the trained Emergency Response (ER) Team, the ranking official of said team will coordinate with the BBC Incident Leader. After that point, all emergency response activities will be conducted under the direction of the ER and Incident Leader. C. Evacuation, Safe Distances, and Places of Refuge Evacuation - The open air nature of oil and gas operations generally permits numerous safe evacuation routes. In areas where this is not the case, employees are directed to attempt escape along a route that takes them upwind of an incident. Crosswind escape is suggested only until upwind escape is appropriate. Wind direction indicators are installed on all properties where H2S gas has been identified. Safe Distances - Prior to the arrival of the Incident Leader mentioned in Section B, the Superintendent/Area Foreman or designee shall be responsible for establishing the distance from the hazardous scene. After the Incident Leader arrives on the scene, safe distances will be established at his/her discretion. Places of Refuge should be established as appropriate for BBC operations. D. Employee Safety During a HAZWOPER Response All field employees will be trained to insure that they can operate certain equipment on the property during an emergency in order to bring the emergency condition under control. In the course of these operations the employee may be exposed to a hazardous environment, become injured, or have his/her clothing become contaminated with a hazardous material. The following items will address these issues. Personal Protection Equipment Specific (PPE) is available to every employee. The type of equipment available to the employee will vary depending on the hazards inherent in the subject work area. Selection, safe use, limitations, maintenance, care and storage will be covered in employee training. The Company's policies and procedures pertaining to PPE are found in the EH&S Manual located in each area office. Employees should only respond to an incident if the hazards are obvious and that employee is trained to respond to the specific hazards involved and the proper PPE is available. Emergency Medical Services will be provided by local hospitals, urgent care centers, and fire departments. Services have been identified in Section IX of this Plan and are listed by BBC operating area name. Decontamination of clothing equipment will be coordinated with BBC EH&S staff. The MSDS will be consulted for proper disposal of contaminated items. E. Response Evaluation & Follow -Up After a HAZWOPER response has occurred, the Emergency Response Review committee will submit a report to management discussing the emergency response as requested. A copy of this report will be kept in the files. The Emergency Response Review Committee: • Operations/Area Manager • Environmental, Health & Safety Manager • Superintendent/Area Foreman The report will identify: • Nature and Cause of emergency • Statistics pertaining to emergency (i.e. damage, injuries, etc.) • Effectiveness of Company Emergency Response Personnel • Corrective Measures taken to prevent recurrence of similar emergency at this location (considering applicability to other locations) VIII. H2S CONTINGENCY PLAN SCOPE The purpose of this Section is to provide an organized plan of action to protect the general public and employees in the event of an accidental release of a potentially hazardous volume of hydrogen sulfide (H2S), or other toxic/hazardous gas. PRESENTLY NO H2S LOCATIONS UNDER OPERATION IN COLORADO, UTAH LOCATION INFORMATION PREVAILING WIND - LINES UNDER DOT REGULATION - STATE/FEDERAL LEASES - FIELD FUEL - OTHER - SEE SECTION IX FOR AREA SPECIFIC INFORMATION. RESPONDING TO LEAKS CONTAINING H2S 1. A leak may be detected and/or reported by various individuals/the public, BBC personnel, public safety officials etc. 2. Once a leak has been determined to be from BBC's facilities, the following information shall be obtained and relayed to the Superintendent/Area Foreman/Designee: a. Type of leak. b. Personal injuries. c. Location and magnitude of leak. d. Direction and velocity of the wind. e. Residents, businesses, and highways located downwind of the leak. f. Your action and/or advice concerning evacuation of nearby residents and businesses or establishing roadblocks. g. Action being taken to alleviate the situation. h. Time emergency occurred, or was reported. i. Estimate of damage to date and potential future damage. 3. The Superintendent/Area Foreman or designee will be in charge of the actual on-site operations. 4. Superintendent/Area Foreman or designee will assign someone to monitor company radio frequency. Carry a 2 -way, or bring a company truck with a radio as close as possible and maintain communications with response personnel. 5. The ranking BBC employee will be in charge of all actions until the Superintendent/Area Foreman or designee arrives. Protective equipment should be used as appropriate. 6. Operating personnel will attempt to determine seriousness of situation, and a. Notify immediately other personnel in area. b. Gather all personnel, customers and visitors at the rendezvous point, depending on release location. c. Recall employees if the emergency happens off -hours. (Numbers listed in the Call Lists section of this manual.) d. Contact EH&S personnel. e. Maintain a log of all contacts with residents, regulatory and law enforcement agencies, other operators, etc. f. Determine whether assistance is needed from public safety officials. 7. Operating personnel should attempt (from a safe area) to shut in leak and be alert for chemical and/or liquid hydrocarbon run-off. If chemicals are involved in a fire, think of the consequences before you use water on the fire. It may be better to contain the fire and let the chemicals incinerate. Close off the area. If you do not have the necessary equipment, heavy equipment operators are listed in the Contractor Services and Equipment listing in the Appendix Section. 8. If injuries have been sustained, start first aid procedures and call for ambulance service if needed, organize search and rescue if anyone is still unaccounted for. 9. If gas escape cannot be safely shut-in, stopped, etc., and presents hazard to residents, personnel or property, the following steps should be taken: a. Determine if the sour gas being released should be ignited to protect residents. b. Initiate Evacuation Procedure. EVACUATION PROCEDURE 1. Review with personnel on scene what measures are being taken for evacuation and the urgency for immediate action. 2. Alert necessary personnel to activate all, or a portion of the Sections of this Plan. FACILITY Field Technician/Pumper Superintendent/Area Foreman Operations/Area Manager Environmental/Safety Specialist Contract Help Teams for: Notifying residents and school bus system Evacuating Residents Establishing and manning roadblocks Persons to: Man briefing area Man safe area Monitor H2S concentrations (if gas is sour) Maintain log of events and action taken 3. Locate area of release on map which shows location of lines, roads, dwelling, etc. 4. Determine best estimate of: a. Volume being released. b. H2S concentration. c. Wind velocity and direction. d. Future volumes and H2S concentrations. 5. Identify residents that should be notified and/or evacuated immediately. 6. Instruct resident notification team to make necessary contacts. 7. Advise the evacuation team of those residents that could not be contacted via telephone, or those that will need assistance. 8. Stay in contact with resident notification and evacuation teams as to whom has been notified, evacuated, etc., making sure a log, of those contacted, is maintained. RESPONSE TEAMS, MEMBERS, AND DUTIES H2S MONITORING/CLIMATIC CONDITIONS TEAM — Responsible for monitoring ambient air concentrations or hazardous gases near a leak area, calculating H2S radius of exposure, and monitoring climatic conditions (wind direction, wind velocity, etc.). The team coordinator will keep the Communications Team advised of the monitoring results and any changes that occur. ROAD BARRICADE — Responsible for establishing roadblocks in areas affected by a potentially hazardous leak. Team members may be assisted by the Sheriff's Department and/or Department of Public Safety. PUBLIC RELATIONS, COMMUNICATIONS, AND DOCUMENTATION TEAM — Responsible for coordinating teams, communications between team members, and coordinating duties of public safety officials. The team will document record of events, the safety and control measures taken during the incident. The Coordinator of this team will keep the Superintendent up to date on leak events relating to public relations with the news media, public, and various public safety/fire officers. Safe areas will be established as appropriate. EVACUATION TEAM (FIELD) — Team members will be responsible for notifying and evacuating residents from a hazardous area to a place of safety. Response Team Members and Duties Form will be completed by Operations personnel for all H2S operations activities. BBC RESPONSE TEAMS, MEMBERS AND DUTIES FORM TECHNICIAN EVACUATION TEAM H2S MONITORING CLIMATIC CONDITION TEAM ROAD BARRICADE TEAM OPERATOR AIR PAC'S ESCAPE LOCATION SEE SECTION IX FOR AREA SPECIFIC INFORMATION. NAME OTHER OPERATORS IN AREA LOCATIONS TELEPHONE SEE SECTION IX FOR AREA SPECIFIC INFORMATION. HEALTH EFFECTS OF HYDROGEN SULFIDE* CONCENTRATION PERCENT (%) PPM PHYSICAL EFFECT 0.000013 0.13 OBVIOUS AND UNPLEASANT ODOR. 0.001 10 SAFE FOR 8 HOURS EXPOSURE. 0.01 100 IMMEDIATELY DANGEROUS TO LIFE OR HEALTH. KILLS SMELL IN 3 TO 15 MINUTES; MAY STING THROAT. ALTERED RESPIRATION, PAIN IN EYES, DROWSINESS AFTER 15-20 MINUTES. 0.02 200 KILLS SMELL RAPIDLY; BURNS EYES AND THROAT. 0.05 500 DIZZINESS; UNCONSCIOUS AFTER SHORT EXPOSURE; NEEDS PROMPT ARTIFICIAL RESPIRATION. 0.07 700 UNCONSCIOUS QUICKLY; DEATH WILL RESULT IF NOT RESCUED PROMPTLY. 0.10 1000 UNCONSCIOUS AT ONCE; FOLLOWED BY DEATH WITHIN MINUTES. * AMERICAN PETROLEUM INSTITUTE DWELLINGS, OFFICES, ETC. LOCATION PHONE NUMBERS SEE SECTION IX FOR AREA SPECIFIC INFORMATION. IX. General Telephone Numbers BBC CONTACT LIST OFFICE MOBILE HOME _ Scot Woodall -CEO 303-312-8181 303-957-6329 Monty Shed — VP Production 303-312-8527 970-987-3826 Francis Barron —General Counsel -Legal 303-312-8515 303-520-7411 303-756-6335 - Tamara Duane Zavadil-VP Regulatory 303-312-8128 303-638-1265 303-660-1145 -Glenda Rusty Frishmuth-Mgr EH&S 303-312-8718 303-518-2290 303-424-9462 - Dena Scott Ghan-EHS Coordinator 970-876-1959 970-744-8128 Jim Felton — Public Relations 303-312-8103 303-881-0840 970-668-1624 - Janet Doug Dennison — Enviro./Gov. Affairs 970-876-1959 970-270-2853 970-245-5791 - Keri Johny Thayne-EHS Coordinator 435-725-3515 435-669-8108 435 -454 -3211 -Debbie Troy Schindler -Drilling Mgr 303-312-8156 303-249-8511 303-740-8507 - Kathryn Jay Bauer -Facilities 303-312-8115 303-324-6135 303-582-3263 - Jessica Jesse Merry- Field Superintendent 970-876-1959 970-230-0436 1-800-921-8252 (24 Hr.) Aaron Axelson — Production Foreman 970-876-1959 970-230-0926 COLORADO-PICEANCE - EMERGENCY PHONE NUMBERS ALL EMERGENCIES 911 Colorado State Patrol 970-824-6501 Garfield County Dispatch 970-625-8095 Garfield County Sheriff 970-945-0453 Rifle Fire Protection 970-625-1243 Rifle Police Dept. 970-665-6500 West Care (Silt) Ambulance 970-876-0510 Burning Mtns. (Silt) Fire Protection 970-876-5738 Silt Police Dept. 970-876-2735 Grand River Hospital, Rifle 970-625-1510 Valley View Hospital, Glenwood Sp 970-945-6535 National Poison Control Center 800-222-1222 Bill Barrett Corporation Circle B Laydown Yard Water Supply and Management Plan Section 4-203 M. Water Supply and Management Plan The Water Management Plan, Section 4-203(M) of the Garfield County Land Use and Development Code, is not applicable to the proposed use, a storage site. The proposed facility will not require water for personnel or water supplied to the site for operations. During operations, personnel will not be required to be manned at the site. Drinking water will be provided in the form of bottled water. Due to the minimal presence of personnel onsite, a water supply will not be required onsite. In addition, the site will not require water for irrigation. Water Supply and Management Plan Garfield County Limited Impact Review, 2014 Page 1 of 1 Bill Barrett Corporation Circle B Laydown Yard Wastewater Management and System Plan Section 4-203 N. Wastewater Management and System Plan The Circle B Laydown Yard (CBYL) is not served by an existing public collection system or treatment facility nor is an on-site wastewater treatment systems proposed. During operations, personnel will not be required to be manned at the site and will only access the site for the loading/unloading of equipment and materials. Due to the minimal presence of personnel onsite a portable toilet will be located on-site. Bill Barrett Corporation has an established contract with Redi Services LLC (Redi). The Bill Barrett Redi Contract is provided in the Maps and Plans tab. Redi will maintain the portable toilet at the CBYD. Waste from the site will be disposed of at the South Canyon Landfill in Glenwood Springs, Colorado. Application Narrative Garfield County Limited Impact Review, 2014 Page 1 of 1 Redi Services, LLC 2143 Airport Road Rifle, CO 81650 May 9, 2012 To whom it may concern This leiter is to confirm that Redi Services, LLC is contracted to Bill Barrett Corp to provide Portable Toilet Services, and Trash Disposal and various facilities. Waste streams are disposed of at South Canyon Landfill in Glenwood Springs, Colorado. Sincerely, Craig Abernathy Reginal Manager Red/Services, LL Bill Barrett Corporation Circle B Laydown Yard Standards Table of Contents 1. Division 1 2 3 Standards Narrative 2. Division 1001 Standards Narrative 3. 7-202 Wildlife Habitat Report 4. Garfield County 2030 Future Zone District Figure 5. On -Site Roadway Standards Figure 6. Access Roadway Assessment Report Standards — Table of Contents Garfield County Limited Impact Review, 2014 Page 1 of 1 Circle B Laydown Yard Bill Barrett Corporation General Approval Standards Narrative Article 7 Standards- Division 1 1.0 Introduction The following section addresses the requirements for the General Approval Standards under Article 7, Division 1 of the Garfield County Use and Development Code (LUDC). 2.0 Section 7-101. ZONE DISTRICT USE REGULATIONS. The Land Use Change shall comply with Article 3, Zoning, including any applicable zone district use restrictions and regulations. The proposed facility will comply with all zone district restrictions and regulations. The subject parcel is zoned Rural and is within the minimal setbacks. 2.1 SECTION 7-102. COMPLIANCE WITH COMPREHENSIVE PLAN AND INTERGOVERNMENTAL AGREEMENTS. The Land Use Change is in general conformance with the Garfield County Comprehensive Plan and complies with any applicable Intergovernmental Agreement. The applicant is not aware of any applicable Intergovernmental Agreement. The Circle B Laydown Yard (CBLY) is designed to conform with the Garfield County Comprehensive Plan. The CBLY meets the applicable goals and policies listed in by the Comprehensive Plan for Mineral Extraction. Applicable Goals: 1.Ensure that mineral extraction is regulated appropriately to promote responsible development and provide benefit to the general public. The proposed compression facility will comply with all Garfield County and Federal Aviation Agency regulations. The installation of the proposed storage area will benefit the general public by being located within Bill Barrett's operating area resulting in reduce road traffic. 2. Ensure that mineral extraction activities mitigate their effects on the natural environment, including air quality, water quality, wildlife habitat or important visual resources. In compliance with the Garfield County Comprehensive Plan (GCCP), the CBLY is designed to minimize any impact to adjacent land. The proposed compression facility will be located in a rural, non -populated area. Details on the design of the facility are located in the Application Narrative and figures are provided in the Maps and Plans tab. The Wildlife Habitat Report is located in the Standards tab. Applicable Policies: Page 1 of 15 3. Natural drainage patterns will be preserved or mitigated so the cumulative impact of mineral extraction activities will not cause storm drainage/ floodwater patterns to exceed the capacity of natural or constructed drainage ways, or to subject other areas to increased flooding, erosion or sedimentation or result in pollution to streams, rivers or other natural bodies of water. The proposed site will be graded to minimize any stormwater impacts. Grading and erosion control plans are located in the Grading and Drainage tab. No drainage patterns will be impacted by the installation of the proposed storage facility. There are no streams, areas subject to flooding, high ground water areas, and lakes within the project area. Floodplain and flood fringe delineations are depicted in the Hydrologic Features Figure located in the Grading and Drainage Tab. The 100 -year floodplain boundaries are well outside the immediate vicinity of the CBLY as shown on Garfield County maps. 4. Facilities that are appurtenances to oil/gas development activities (compressors, etc.) are considered appropriate in all land uses so long as they meet the respective mitigation requirements of the ULUR to maintain compatibility with surrounding land uses. The CBLY is a necessary accessory to natural resource extractions performed by BBC. The location of the storage site was designed to achieve optimal efficiency will minimizing impacts. The proposed storage site will meet the criteria for all Rural Zone District standards. 2.2 SECTION 7-103. COMPATIBILITY. The nature, scale, and intensity of the proposed use are compatible with adjacent land uses and will not result in an adverse impact to adjacent land. The proposed site will be located in an area with current natural gas exploration and production activities. The CBLY is designed to minimize any impact to adjacent land and is located within BBC's operating field. 2.3 Section 7-104. SOURCE OF WATER. All applications for Land Use Change Permits shall have an adequate, reliable, physical, long-term, and legal water supply to serve the use, except for land uses that do not require water, or that contain Temporary Facilities served by a licensed water hauler. The standard Source of Water, Section 7-104 of the Garfield County LUDC, is not applicable to the proposed use. The proposed facility will not require water for personnel or operations. During operations, the site will not be manned on a continuous basis with personnel only being present for loading/unloading of equipment. Due to the minimal presence of employees onsite, water use will not be required onsite during operations. A well will not be installed on site nor will irrigation be required for the proposed use. 2.4 SECTION 7-105. CENTRAL WATER DISTRIBUTION AND WASTEWATER SYSTEMS The Land Use Change shall be served by water distribution and wastewater systems that are adequate to serve the proposed use and density. The standard "Adequate Central Water Distribution and Wastewater Systems," Section 7-105 of the Garfield County LUDC, is not applicable to the proposed use. The proposed facility will not require water or have wastewater for personnel during operation for the site will not be manned on a continuous basis. A well will not be installed on site nor will irrigation be required for the proposed use. Page 2 of 15 2.5 SECTION 7-106. PUBLIC UTILITIES. Adequate Public Utilities shall be available to serve the Land Use Change. The proposed use does not require the use of any public utilities, not will have water or wastewater onsite. Section 7-107. ACCESS AND ROADWAYS. A. Access to Public Right -of -Way. All lots and parcels shall have legal and physical access to a public right-of-way. The proposed site has legal access from an existing primitive road on the parcel which is accessed by the Six Lazy K Road, a private road that serves other privately owned parcel in the area. The proposed site will use the existing access that was established when the site location was originally development. The Traffic Study and Access Road figure are located in the Impact Analysis tab. The Roadway Standards Figure detailing access roads is located in the Standards tab. B. Safe Access. Access to and from the use shall be safe and in conformance with applicable County, State, and Federal access regulations. Where the Land Use Change causes warrant(s) for improvements to State or Federal highways or County Roads, the developer shall be responsible for paying for those improvements. The subject site was designed to allow safe access to the site from the private gravel road. The width of the access is 20 feet, meeting the Garfield County requirement of Right -of -Way width of 15-30 feet for Primitive road standards. The subject site does not warrant improvements to County Roads, State, or Federal Highways. The site is accessed from an existing private access road and does not result in a significant increase to traffic on public roads. All roads located on the subject parcel are maintained by BBC to achieve optimal safety, including speed restrictions, regular road maintenance, and snow maintenance. The Traffic Study and Access Road figure are located in the Impact Analysis tab. The Roadway Standards Figure is located in the Standards tab. C. Adequate Capacity. Access serving the proposed use shall have the capacity to efficiently and safely service the additional traffic generated by the use. The use shall not cause traffic congestion or unsafe traffic conditions, impacts to the County, State, and Federal roadway system shall be mitigated through roadway improvements or impact fees, or both. Vehicles accessing the site will not result in an overall significant increase to current traffic. The proposed site will not cause congestion and unsafe conditions to the County, State, and Federal roadway systems. On average, 16 vehicles will access the site daily. Details on traffic statistics and recommendations are described in the Traffic Study, located in the Impact Analysis tab. The private road maintained and owned by BBC is classified as a primitive access road and meets the applicable roadway standards. The Roadway Standards Figure is located in the Standards tab. D. Road Dedications. All rights-of-way shall be dedicated to the public and so designated on the Final Plat. They will not, however, be accepted as County roads unless the BOCC specifically designates and accepts them as such. The proposed site is located on private land and is accessed by a private road owned by the applicant. The site will not allow public access. A right-of-way (ROW) road dedication is not applicable to the site. A ROW is established for the gravel private road that accesses the subject Page 3 of 15 parcel. The ROW is located in the Impact Analysis tab. The Roadway Standards Figure is located in the Standards tab. E. Impacts Mitigated. Impacts to County roads associated with hauling, truck traffic, and equipment use shall be mitigated through roadway improvements or impact fees, or both. Impacts to County roads are not anticipated. The site will not result in an overall significant increase to current traffic. Details on traffic statistics and recommendations are described in the Traffic Study, located in the Impact Analysis tab. The site will adhere to BBC's roadway management plan, located in the Impact Analysis tab. The Roadway Standards Figure is located in the Standards tab. F. Design Standards. Roadways, surfaces, curbs and gutters, and sidewalks shall be provided as follows to Table 7-107. The Average Daily Traffic (ADT) for the proposed site is 16 vehicles. The site was designed to meet the requirements of the Primitive road standards of Table 7-107 of the Garfield County LUDC. The Roadway Standards Figure is located in the Standards tab. Table 7-107: Roadway Standards Design Standards Primitive/ Driveway Standards CBLY Primitive Access Ft Design Capacity 0 — 20 16 (ADT) Minimum ROW Width 15 to 30' 20 (Feet) Lane Width (Feet) Single Lane Single Lane 12 14 Shoulder Width (Feet) 0 0 Ditch Width (Feet) 32 n/a—See Below Cross Slope 2% 2% Shoulder Slope n/a n/a Design Speed n/a n/a Minimum Radius (Feet) 40 Greater than 40 Maximum % Grade 12% 5.30% Surface Native Material Gravel 1 As determined adequate in an engineering review. Primitive road shall be dedicated ROW, driveway can be dedicated as either an easement or ROW. 2 If determined necessary for adequate drainage. Ditches have been determined unnecessary for adequate drainage and will not be installed at the site. The site has designed by Eclipse Survey with stormwater and drainage controls to be constructed on the site. The site will not require ditches along access roads; stormwater mitigations have been implemented in the overall design of the site. The drainage plan was designed to allow proper drainage for site features, including access roads, the water impoundment, and storage areas. The site plan is located in the Maps and Plans tab. 1. Circulation and Alignment. The road system shall provide adequate and efficient internal circulation within the development and provide reasonable access to public highways serving the development. Roads shall be designed so that alignments will join in a logical manner and combine with adjacent road systems to form a continuous route from 1 area to another. Page 4 of 15 The site will be accessed from a private road owned and maintained by the applicant. The access roads within the site were designed to allow adequate and efficient internal circulation for trucks hauling water. Access to the site will form a continuous route with the adjacent road and with other facilities on BBC's property. The Roadway Standards Figure detailing access roads is located in the Standards tab. 2. Intersections. No more than 2 streets shall intersect at 1 point, with a minimum of 200 feet between off -set intersections, unless otherwise approved by the County. No more than 2 streets will intersect at 1 point. The site access and the private lease road will be the only streets at the subject intersection. The Site Plan is located is the Maps and Plans tab. 3. Street Names. Street names shall be consistent with the names of existing streets in the same alignment. There shall be no duplication of street names in the County. A street name will not be given to the site access. The site is not accessed by a public road and the road does not allow public access to the site. The access will be classified at a Primitive Roadway within the site perimeter. The Roadway Standards Figure detailing access roads is located in the Standards tab. 4. Congestion and Safety. The road system shall be designed to minimize road congestion and unsafe conditions. The site has been designed to minimize road congestion and unsafe conditions. The site will be accessed from a private lease road and not a county or public road. The site will be accessed by 16 vehicles a day and will not result in a significant increase to traffic. The Traffic Analysis report is provided in the Impact Analysis tab. The Roadway Standards Figure detailing access roads is located in the Standards tab. 5. Continuation of Roads and Dead -End Roads. Roads shall be arranged to provide for the continuation of major roads between adjacent properties when appropriate and necessary for traffic movement, effective fire protection, or efficient provision of utilities. The site is located on private property and will be accessed by a private lease road owned and maintained by the applicant. The subject parcel is in the rural zone district and not a populated area. The 40 acre subject parcel is not located near any major roads. The site will not impede the traffic movement. The Access Route figure is located in the Impact Analysis tab. The Roadway Standards Figure detailing access roads is located in the Standards tab. 6. Relationship to Topography. Streets shall be designed to be compatible with the topography, creeks, wooded areas, and other natural features. Combinations of steep grades and curves should be avoided. When, due to topography, hazards or other design constraints, additional road width is necessary to provide for the public safety by cut and/or fill area, drainage area, or other road appurtenances along roadways, then dedication or right -of way in excess of the minimum standards set forth in this Code shall be required. The site has been previously graded and graveled. Steep slopes and curves are not present in the design of the site access. The site access has been designed to allow safe access to the site. Page 5 of 15 7. Erosion and Drainage. The road system shall minimize erosion and provide for efficient and maintainable drainage structures. Site access will minimize erosion and has been designed with drainage features throughout the site. The site has been designed by Eclipse Surveying with stormwater and drainage controls to be constructed on the site. Stormwater mitigations have been implemented in the overall design of the site. The drainage plan was designed to allow proper drainage for site features, including access roads, the water impoundment, and storage areas. The site plan is located in the Maps and Plans tab. Drainage features are detailed in the documents provided in the Grading and Drainage Plan tab. 8. Commercial and Industrial. The roads and access in commercial and industrial developments shall be designed to minimize conflict between vehicular and pedestrian traffic. The proposed industrial site will not create conflict between vehicular and pedestrian traffic. The site is located on private property and is access by a private road operated and maintained by the applicant. Personnel on the site will work in areas of traffic. The site was designed to eliminate potential hazards to personnel and will allow safe and efficient traffic flow. Access roads are detailed in the Site Plan, located in the Maps and Plans tab. 9. Emergency Access and Egress. Roads shall be designed so as to provide emergency access and egress for residents, occupants, and emergency equipment. Emergency access shall comply with provisions of the International Fire Code and requirements of applicable emergency services, such as fire protection, ambulance, and law enforcement. The site access has been designed to provide emergency access and egress for personnel and emergency equipment. Emergency responses and plans are detailed in the Emergency Response Plan, provided in the Maps and Plans tab. 10. Traffic Control and Street Lighting. Traffic control devices, street signs, street lighting, striping, and pedestrian crosswalks are to be provided as required by the County Road and Bridge Department or other referral agencies. The site will not require traffic control devices or street lighting. The site is located on private property and is access by a private road operated and maintained by the applicant. The subject parcel is in the rural zone district and not a populated area. The 40 acre subject parcel is not located near any major roads. 11. Drainage Structures. Site access has been designed with drainage features throughout the site. The site has been designed by Eclipse Surveying with stormwater and drainage controls to be constructed on the site. Stormwater mitigations have been implemented in the overall design of the site. The drainage plan was designed to allow proper drainage for site features, including access roads, the water impoundment, and storage areas. The site plan is located in the Maps and Plans tab. Drainage features are detailed in the documents provided in the Grading and Drainage Plan tab. 12. Roadside Ditches. Water flowing in roadside ditches shall be diverted away from the road as quickly as possible. In no case shall water travel in a roadside ditch for a distance greater than 800 feet or have a flow greater than 5 cubic feet per second during a 25 year, 24-hour storm event. Page 6 of 15 Ditches have been determined unnecessary for adequate drainage and will not be installed at the site. The site has been designed by Eclipse Surveying with stormwater and drainage controls to be constructed on the site. The site will not require ditches along access roads; stormwater mitigations have been implemented in the overall design of the site. The drainage plan was designed to allow proper drainage for site features, including access roads, the water impoundment, and storage areas. The site plan is located in the Maps and Plans tab. 2.7 SECTION 7-108. USE OF LAND SUBJECT TO NATURAL HAZARDS. Land subject to identified Natural and Geologic Hazards, such as falling rock, landslides, snow slides, mud flows, radiation, flooding, or high water tables, shall not be developed unless it has been designed to eliminate or mitigate the potential effects of hazardous site conditions as designed by a qualified professional engineer and as approved by the County. There are no landslides in the vicinity of the site and the hazards due to landslides and rockfalls are low. The site is located on an arid plateau. The site is located outside the Garfield County study area of slope hazards as depicted in the Slope Hazards Map located under the Grading and Drainage tab. The site is not located within a 100 -year floodplain. The Hydrologic Features Figure is located in the Grading and Drainage tab. 2.8 Section 7-109. FIRE PROTECTION. A. Adequate Fire Protection. Adequate fire protection will be provided for each land use change as required by the appropriate fire protection district. The proposed site is located within the Rifle Fire Protection District. The site was designed to meet all requirements of fire protection by the Rifle Fire Protection District. B. Subdivisions. All divisions of land must be reviewed and approved by the appropriate fire protection district for adequate primary and secondary access, fire lanes, water sources for fire protection, fire hydrants, and maintenance provisions. The standard "Fire Protection: Subdivisions", Section 7-109 B. of the Garfield County LUDC, is not applicable to the proposed use. The site will be an industrial use and no division of land will occur. Page 7 of 15 Article 7 Standards- Division 2 1.0 Introduction The following section addresses the requirements for the General Resource Protection Standards under Article 7, Division 2 of the Garfield County Land Use and Development Code (LUDC). 2.0 SECTION 7-201. AGRICULTURAL LANDS. No Adverse Affect to Agricultural Operations, Domestic Animal Controls, Fences, Roads, and Irrigation Ditches The proposed site is located within the rural zone district and will not cause an adverse impact to agricultural operations. Domestic animals are not allowed on the proposed site. The access road to the site does not border the subject property line. Irrigation ditches are not within close proximity to the site. The proposed site with not interfere with any ditch right-of-ways. 2.1 SECTION 7-202. WILDLIFE HABITAT AREAS. The Applicant shall consult with the Colorado Division of Wildlife or a qualified Wildlife biologist in determining how best to avoid or mitigate impacts to Wildlife Habitat areas. Pinyon -juniper woodlands and sagebrush surround the site. The biological survey conducted determined the proposed use will not impact wildlife. No native vegetation will be altered with the approval of the proposed CBLY since the site location was pre -disturbed and previously graveled. Domestic animals are not allowed on the proposed site. The Biological Survey is located in the Impact Analysis tab and Protection of Habitat Report is located in the Standards tab. 2.2 SECTION 7-203. PROTECTION OF WATERBODIES. There are no streams, areas subject to flooding, high ground water areas, and lakes within the project area. No streams exist within 1000 feet of the proposed site location. Floodplain and flood fringe delineations are depicted in the Hydrologic Features Figure located in the Grading and Drainage Plan Tab. The 100 -year floodplain boundaries are well outside the immediate vicinity of the storage site as shown on Garfield County maps. 2.3 SECTION 7-204. DRAINAGE AND EROSION. A. Erosion and Sedimentation. Excluding Grading activities for agricultural purposes, development disturbing 1 acre or more is subject to the CDPHE National Pollutant Discharge Elimination System Permit, unless otherwise exempted by CDPHE. The storage site adheres to the BBC Mamm Creek Field Stormwater plan. Mamm Creek field stormwater documents are provided in the Grading and Drainage Plan tab. B. Drainage. The proposed use will not require the use or storage of water on-site. Mamm Creek field stormwater documents are provided in the Grading and Drainage tab. The grading and drainage plan is located in the Grading and Drainage tab. C. Stormwater Run -Off. Page 8 of 15 These standards shall apply to any new development within 100 feet of a Waterbody and to any other development creating 10,000 square feet or more of impervious surface area The CBLY is not located within 100 feet of any water body and the development will not result in 10,000 square feet of impervious surface area. The surface of the proposed site is graveled. The Mamm Creek field stormwater documents are provided in the Grading and Drainage Plan tab. 2.4 SECTION 7-205. ENVIRONMENTAL QUALITY. A. Air Quality. Any Land Use Change shall not cause air quality to be reduced below acceptable levels established by the Colorado Air Pollution Control Division. The proposed use will not cause air quality to be reduced below acceptable levels established by the Colorado Air Pollution Control Division. No liquids, semi-solid, or solid waste will be stored or transferred at the proposed storage site. Equipment and supplies stored at the site will not emit fumes or odors. B. Water Quality. At a minimum, all hazardous materials shall be stored and used in compliance with applicable State and Federal hazardous materials regulations. No hazardous materials will be used, stored or transported at the proposed site. No liquids, semi- solid, or solid waste will be stored or transferred at the proposed storage site. 2.5 Section 7-206. WILDFIRE HAZARDS. The following standards apply to areas subject to wildfire hazards as identified on the County Wildfire Susceptibility Index Map as indicated in the County's Community Wildfire Protection Plan. A. Location Restrictions. Development associated with the Land Use Change shall not be located in any area designated as a severe wildfire hazard area with Slopes greater than 30% or within a fire chimney, as identified by the Colorado State Forest Service. The proposed site is located in a low wildfire hazard area as depicted in the Garfield County Wildfire Hazards Map. The proposed site is not located in a severe wildfire Hazard Area with Slopes greater than 30% or within a fire chimney. B. Development Does Not Increase Potential Hazard. The proposed Land Use Change shall be developed in a manner that does not increase the potential intensity or duration of a wildfire, or adversely affect wildfire behavior or fuel composition. The proposed facility will not increase the potential intensity or duration of a wildfire. Fuels will not be stored on site and the area around the site will be graveled to prevent wildfire from entering the site. C. Roof Materials and Design. Roof materials shall be made of noncombustible "Class A" materials, and roofs shall employ a design that is pitched. Page 9 of 15 An existing barn is located within the site perimeter and was constructed by previous owners for agricultural activities. The barn will not be used for the proposed storage site. No equipment, supplies, or materials will be stored within the barn. 2.6 SECTION 7-210. AREAS SUBJECT TO NATURAL HAZARDS AND GEOLOGIC HAZARDS. The Development shall be designed to eliminate or mitigate the potential effects of hazardous site conditions by a qualified professional geotechnical engineer. A. Utilities. Above -ground utility facilities located in hazard areas shall be protected by barriers or diversion techniques approved by a qualified professional engineer licensed by the State of Colorado. The determination to locate utility facilities above ground shall be based upon the recommendation and requirements of the utility service provider and approved by the County. The proposed site does not require any utilities. B. Development in Avalanche Hazard Areas. Development may be permitted to occur in Avalanche Hazard Areas if the Development complies with the following minimum requirements and standards, as certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and the plan approved by the County. The site location on an arid plateau and is not located in an Avalanche Hazard Area. The topographic site map is located in the Maps and Plans tab. The Slope Hazards figure is located in the Grading and Drainage Plan tab. C. Development in Landslide Hazard Areas. Development may be permitted to occur in Landslide Hazard Areas only if the development complies with the following minimum requirements and standards, as certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and approved by the County. There are no landslides in the vicinity of the site and the hazards due to landslides are low. The site is located on an arid plateau. The topographic site map is located in the Maps and Plans tab. The Slope Hazards figure is located in the Grading and Drainage Plan tab. D. Development in Rockfall Hazard Areas. Development shall be permitted to occur in rockfall hazard areas only if the Applicant demonstrates that the Development cannot avoid such areas and the Development complies with the following minimum requirements and standards, as certified by a qualified professional engineer licensed by the State of Colorado, or a qualified professional geologist, and approved by the County. The hazards due to landslides are moderate. The site is located on an arid plateau. The topographic site map is located in the Maps and Plans tab. The Slope Hazards figure is located in the Grading and Drainage Plan tab. E. Development in Alluvial Fan Hazard Area. Development shall only be permitted to occur in an alluvial fan if the Applicant demonstrates that the Development cannot avoid such areas, and the Development complies with the following minimum Page 10 of 15 requirements and standards, as certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and approved by the County: The site is not located within an alluvial fan. The proposed site is located on an arid plateau. The topographic site map is located in the Maps and Plans tab. The Slope Hazards figure is located in the Grading and Drainage Plan tab. F. Slope Development. Development on Slopes 20% or greater shall only be permitted to occur if the Applicant demonstrates that the Development complies with the following minimum requirements and standards, as certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and approved by the County. No slopes of 20% or greater exist within graveled area of the site. Pre-existing slopes greater than 20% exist along the site perimeter and are identified on site plan, located in the Maps and Plans tab. Areas with slopes 20% or greater will not be developed. G. Development on Corrosive or Expansive Soils and Rock. Development in areas with corrosive or expansive soils and rock shall be designed based upon an evaluation of the Development's effect on Slope stability and shrink -swell characteristics. Development shall be permitted only if the Applicant demonstrates that the Development cannot avoid such areas and the Development complies with design, construction stabilization, and maintenance measures certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and approved by the County. The site will be located on an arid plateau and not near corrosive cliffs. Expansive soils and rock is not anticipated. A vacant barn exists on the parcel and does not display any movement of soil. The site plans are located in the Maps and Plans tab and erosion controls figure is located in the Grading and Drainage Plan tab. H. Development in MudflowAreas. Development shall be permitted in a mudflow area only if the Applicant demonstrates that the Development cannot avoid such areas, and the Development complies with recommended mitigating design, construction stabilization, and maintenance measures as certified by a qualified professional engineer licensed by the State of Colorado, or qualified professional geologist, and approved by the County. The proposed site is not located within a mudflow area. The proposed site is located on an arid plateau. The topographic site map is located in the Maps and Plans tab. L Development Over Faults. Development shall be permitted over faults only if the Applicant demonstrates that such areas cannot be avoided and the development complies with mitigation measures based on geotechnical analysis and recommendations, as certified by a qualified professional engineer licensed by the State of Colorado, or by a qualified professional geologist, and approved by the County. The site will not be constructed over any faults. 2.7 SECTION 7-208. RECLAMATION. Page 11 of 15 Reclamation for the site shall apply these standards to the CBLY as directed in Section 7-208 of the Garfield County LUDC. The reclamation plan is detailed in the Weed Management Plan, located in the Impact Analysis Tab. A. Applicability. 1. Installation of ISDS. Installation of a new or replacement ISDS. An ISDS will not be installed on the CBLY. 2. Driveway Construction. Any driveway construction that requires a Garfield County Access Permit or a CDOT Access Permit. The site will be accessed using a pre-existing driveway established for the existing vacant residence on the parcel. At this time a driveway permit is not planned. Any driveway construction that requires a Garfield County Access Permit or a Colorado Department of Transportation Access Permit, the appropriate permit shall be obtained. 3. Preparation Area. All areas disturbed during Development that do not comprise the longer-term functional areas of the site but are those areas used for the short-term preparation of the site. A preparation area will not be required for construction of the proposed site. There are no plans for additional areas of disturbance for short-term preparation. B. Reclamation of Disturbed Areas Areas disturbed during development shall be restored as natural -appealing landforms that blend in with adjacent undisturbed slopes. 1. Contouring and Revegetation: Abrupt angular transitions and linear placement on visible Slopes shall be avoided. Areas disturbed by Grading shall be contoured so they can be revegetated, and shall be planted and have vegetation established and growing based on 70% coverage as compared with the original on-site vegetation within 2 growing seasons, using species with a diversity of native and/or desirable nonnative vegetation capable of supporting the post -disturbance land use. To the maximum extent feasible, disturbed areas shall be revegetated to a desired plant community with composition of weed free species and plant cover typical to that site. Any disturbances, including final reclamation will be completed in accordance with the reclamation plan, detailed in the Weed Management Plan, located in the Impact Analysis Tab. 2. Application of Top Soil. Top soil shall be stockpiled and placed on disturbed areas. The site was previously disturbed and the proposed site will be located within the footprint of the gravel area. The site was graded prior to the submittal of the subject application. No soil is anticipated on the previously disturbed ground. 3. Retaining Walls. Retaining walls made of wood, stone, vegetation or other materials that blend with the natural landscape shall be used to reduce the steepness of cut slopes and to provide planting pockets conducive to revegetation. Not Applicable- Retaining walls are not located on the proposed site. Page 12 of 15 4. Slash Around Homes. To avoid insects, diseases and wildfire hazards all vegetative residue, slushiness, branches, limbs, stumps, roots, or other such flammable lot -clearing debris shall be removed from all areas of the lot in which such materials are generated or deposited, prior to final building inspection approval. No slash will be left on-site. 5. Removal of Debris. Within six months of substantial completion of soil disturbance all brush, stumps and other debris shall be removed from the site Any debris will be removed from the site during the construction phrase. 6. Time Line Plan. Every area disturbed shall have a time line approved for the reclamation of the site approved by the County. At this time, there are no foreseen plans to fully reclaim this facility. Page 13 of 15 Article 7 Standards- Division 3 1.0 INTRODUCTION The following section addresses the requirements for the Site Planning and Development Standards under Article 7, Division 3 of the Garfield County Land Use and Development Code. 2.0 SECTION 7-301. COMPATIBLE DESIGN. The design of Development associated with the Land Use Change shall be compatible with and enhance the existing character of adjacent uses. A. Site Organization. The site shall be organized in a way that considers the relationship to streets and lots, solar access, parking, pedestrian access, and access to common areas. The proposed site is located in an unpopulated area on a 40 acre parcel and not adjacent to public streets, parking, pedestrian access, and common areas. The site will not impede solar access to adjacent parcels. The site plan is located in the Maps and Plans tab. The vicinity map is located in the Impact Analysis tab. B. Operational Characteristics. The operations of activities on the site shall be managed to avoid nuisances to adjacent uses relating to hours of operations, parking, service delivery, and location of service areas and docks. 1. Dust, odors, gas, fumes, and glare shall not be emitted at levels that are objectionable to adjacent property. The site will not produce nuisances that are objectionable to adjacent property. Lighting will not be installed or required at the CBLY. Odors, gas, and fumes are not anticipated at the proposed site. 2. Noise. Noise shall not exceed state noise standards pursuant to C.R.S., Article 12 of Title 25, as amended, unless the use is regulated by the COGCC. In this case, the use shall be subject to COGCC Rule 802, Noise Abatement. Construction is not anticipated for the storage site. During normal operation, minimal noise levels will be produced from mobile welding equipment. 3. Hours of Operation. Hours of operation shall be established to minimize impacts to adjacent land uses. The proposed site will not be manned on a continuous basis with personnel only being present during unloading and loading of equipment and infrequent welding activities. Site activities will only occur during the business hours of 7AM -5PM, Monday thru Friday. C. Buffering. Buffering shall be installed to mitigate visual, noise, or similar impacts to adjacent property whenever adjacent uses are in a different zoning district. The subject parcel and adjacent parcels are zoned rural or public lands. The site will be located on a 40 acre parcel and not within close proximity to other residents or businesses. Page 14 of 15 D. Materials. Exterior facades shall be constructed with materials that do not detract from adjacent buildings or uses. A pre-existing barn will not be used for storage is located within the site perimeter. The barn was constructed by previous owners for agricultural activities and will not be included for the proposed use. The exterior facade matches that of buildings in the surrounding agricultural area. Site photos are located in the Impact Analysis tab. 2.1 Section 7-302. OFF-STREET PARKING AND LOADING STANDARDS. The Off -Street Parking and Loading Standards, Section 7-302 of the Garfield County LUDC, is not applicable to the proposed use. The proposed site location does not have a designated parking area due to the minimal presence of personal onsite. The site is located on private property and prohibits public access. 2.2 Section 7-303. LANDSCAPING STANDARDS The Landscaping Standards, Section 7-303 of the Garfield County LUDC, is not applicable to the proposed industrial use, a Storage Site. 2.3 Section 7-304. LIGHTING STANDARDS. Lighting Standards, Section 7-304 of the Garfield County LUDC, is not applicable. No lighting will be used or installed at the proposed site 2.4 Section 7-305. SNOW STORAGE STANDARDS. The standard Snow Storage Standards, Section 7-305 of the Garfield County LUDC, is not applicable to the proposed use. Due to the minimal presence of employees onsite and arid climate, snow storage will not be required. 2.5 Section 7-306. TRAIL AND WALKWAY STANDARDS. A. Recreational and Community Facility Access. A multi -modal connection, such as a trail or sidewalk, shall be provided in a development where links to schools, shopping areas, parks, trails, greenbelts, and other public facilities are feasible. The standard Trail and Walkway Standards, Section 7-306 of the Garfield County LUDC, is not applicable to the proposed use. Public access is prohibited and the site is located on private property. Page 15 of 15 Circle B Laydown Yard Bill Barrett Corporation Additional Standards for Industrials Uses Narrative Article 7 Standards- Division 10, Section 7-1001 1.0 Introduction The following section addresses the requirements for the Additional Standards for Industrial Uses under Article 7, Division 10 of the Garfield County Land Use and Development Code (LUDC). These standards shall apply to all industrial uses: 2.0 A. Residential Subdivisions. Industrial Uses shall not occupy a lot in a platted residential Subdivision. The proposed site will not be located in a platted residential subdivision. The Circle B Laydown Yard (CBLY) will be located on a 40 acre rural parcel with current oil and gas activities in the surrounding area. 2.1 B. Setbacks. All activity associated with these uses shall be a minimum of 100 feet from an adjacent residential property line, unless the use is on an industrially zoned property. The CBLY will be located more than 100 feet from adjacent property line. The proposed facility will comply with all zone district restrictions and regulations. The proposed site is located within the rural zone district and meets the required setbacks. 2.2 C. Concealing and Screening. All storage facilities, including outdoor storage, fabrication, service, and repair operations shall be conducted within an enclosed building or have adequate provision to conceal and screen the facility and/or operations from adjacent property(s). Screening shall be at least 8 feet in height and obscure the facility and/or operation from view at the same elevation. All screening shall be maintained. The natural topography and berms surrounding the site conceal the site from adjacent parcels. Juniper woodland vegetation surrounds the site and acts as a natural screen. Berms have been designed to mitigate sound and visual impacts to adjacent properties. The location of the site is not in a high visibility area. The site will be centrally located on a 40 acre parcel. There are no homes within a close proximity to the site. The site location is remote and rural and the site will not be visible to the public. The land surrounding the site is currently used for oil and gas natural production, agriculture activities, and public lands. Site photos are located in the Impact Analysis tab and the site plan is provided in the Maps and Plans tab. D. Storing. 1. Materials shall be stored on the property in a form or manner that will not be transferred off the property by any reasonably foreseeable natural cause or force. All equipment and materials will be secured on the site. Waste will not be stored on the property. 2. All products shall be stored in compliance with all national, State, and local codes. Page 1 of 3 All materials stored will be in compliance with any applicable national, State, and local codes. No liquids, petroleum, and hazardous products will be stored at the proposed site. 3. Shall be a minimum of 100 feet from an adjacent property line. The CBLY will be located more than 100 feet from adjacent property line. 4. Petroleum and hazardous products shall be stored in an impervious spill containment area(s). Liquids, petroleum, and hazardous products will not be stored at the proposed site. Hazardous Materials will not be stored at the Circle B Laydown Yard. A list of materials and equipment to be stored on site is provided in the Application Narrative, located in the Application Materials tab. E. Industrial Wastes. All industrial wastes shall be disposed of in a manner consistent with Federal and State statutes and requirements of CDPHE. Flammable or explosive solids or gases and other hazardous materials including wastes shall be stored according to the manufacturer's standards and shall comply with the national, State, and local fire codes and written recommendations from the appropriate local fire protection district. Industrial or any types of wastes will not be stored at the CBLY. Flammable and explosive solids or gases, liquids, petroleum, and hazardous products will not be stored at the proposed site. F. Noise. Noise shall not exceed State noise standards pursuant to C.R.S., Article 12, Title 25, unless the use is regulated by the COGCC. In this case, the use shall be subject to COGCC rules in regard to noise abatement. All activities on-site will normally be conducted between the hours of 7AM and 5 PM, Monday thru Friday. Noise will not exceed the State noise standards and impact to adjacent parcels is not anticipated. G. Ground Vibration. Every use shall be operated so that the ground vibration inherently and recurrently generated is not perceptible without instruments at any point of any boundary line of the property. Ground vibration will not be perceptible without instruments at any point on the property boundary line. H. Hours of Operation. Any activity that will generate noise, odors, or glare beyond the property boundaries will be conducted between the hours of 7:00 a.m .to 7:00 p.m. Monday through Saturday, or as approved by the decision- making authority. All activities involving personnel will be held between 7:00 a.m. to 7:00 p.m. except in the case of emergency. The proposed site will be located on a 40 acre parcel in a non -populated rural area. Hazards, nuisance, or interference to adjacent parcels is not anticipated. Current oil and gas activities exist in the surrounding area. The site is designed to minimize impacts. Page 2 of 3 I. Interference, Nuisance, or Hazard. Every use shall be so operated that it does not emit heat, glare, radiation, or fumes that substantially interfere with the existing use of adjoining property or that constitutes a public nuisance or hazard. Flaring of gases, aircraft warning signal, and reflective painting of storage tanks, or other legal requirements for safety or air pollution control measures, shall be exempted from this provision. The proposed site will be centrally located on a 40 acre parcel in a non -populated rural area. The natural topography and vegetation of the parcel will act as a screen and mitigate any potential impacts to adjacent properties. Hazards, nuisance, or interference to adjacent parcels is not anticipated as minimal activity will occur at the site. Equipment and materials stored at the site will not cause fumes or odors. No liquids, petroleum, and hazardous products will be stored at the proposed site. Current oil and gas activities exist in the surrounding area. Page 3 of 3 BILL BARRETT CORPORATION EPPERLY LAYDOWN YARD Section 7-202 Protection of Wildlife Habitat Areas Garfield County Land Use and Development Code WILDLIFE Raptors Activities associated with the project have minimal potential to impact raptor populations as no high quality raptor nesting habitat exists immediately adjacent to the site, nor do any raptor nests occur within 0.25 miles of the project area. Indirect impacts would be related to displacement of foraging activities and the effect would be very small given the abundance of foraging habitat available. Due to these factors, in addition to a high ongoing level of human activity in the general project area, it is unlikely that the laydown yard contributes significantly to any negative impacts. American Elk, Mule Deer, and Black Bear Implementation of the integrated vegetation and noxious weed management plan (WestWater 2013) would help reduce impacts from habitat loss and alteration of native plant communities. A reclamation plan should be implemented to reduce the establishment of noxious weeds in disturbed areas. Reclamation of disturbed areas not utilized as part of the laydown yard would provide forage for mule deer and elk and decrease the presence of noxious weeds. Low speed limits on area roads mitigate potential road kill. Facility fencing should be consistent with published standards that reduce potential harm to wildlife (Hanophy 2009). Black bear may occasionally be found near the site. Personnel may be unfamiliar with wildlife in the area and should be informed of the potential for bear interactions. Personnel should not feed bears at any time and potential food items should be stored in bear -proof receptacles and/or removed from the site on a daily basis to prevent attracting bears to the site. Negative human/bear interactions may result in euthanasia of problem bears. Bears should not be approached if encountered in the project area. Birds, Small Mammals, and Reptiles Removal of native vegetation has contributed to cumulative effects of habitat conversion and fragmentation in the general project area. The placement of the laydown yard in a previously disturbed area has reduced this impact. Structures or equipment that are stored at the laydown yard may provide hunting perches for raptors that prey on smaller animals in the area and may contribute to increased predation if deterrent devices are not installed. Low speed limits on area roads mitigate potential road kill. PRESERVATION OF NATIVE VEGETATION Application of the integrated vegetation and noxious weed management plan (WestWater 2013) would provide a basis for appropriate mitigation for the approximately 5.01 acres of native vegetation that has been or will be removed. Reducing the amount of bare ground to only the area needed for utilization and maintenance of the laydown yard will help reduce the effect of the project on native vegetation and wildlife habitat. The best method to mitigate loss of wildlife habitat is to increase the availability of native forage in the form of grasses and shrubs. Revegetation with native species would provide the greatest benefit for wildlife. Subsequent to soil disturbances, vegetation communities can be susceptible to infestations of invasive or exotic weed species. Vegetation removal and soil disturbance during construction can create optimal conditions for the establishment of invasive, non-native species. Construction equipment traveling from weed -infested areas into weed -free areas could disperse noxious or invasive weed seeds and propagates, resulting in the establishment of these weeds in previously weed -free areas. WestWater Engineering Page 1 of 2 September 2013 Several simple practices should be employed to prevent most weed infestations. The following practices should be adopted for any activity to reduce the costs of noxious weed control through prevention. The practices include: • Prior to delivery to the site, equipment should be thoroughly cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds. • If working in sites with weed -seed contaminated soil, equipment should be cleaned of potentially seed -bearing soils and vegetative debris at the infested area prior to moving to uncontaminated terrain. • All maintenance vehicles should be regularly cleaned of soil. • Avoid driving vehicles through areas where weed infestations exist. REFERENCES Hanophy, W. 2009. Fencing with Wildlife in Mind. Colorado Division of Wildlife. Denver. Available online: http://wildlife. state.co.us/SiteCollectionDocuments/DOW/LandWater/PrivateLandPrograms/DO WFencingWithWildlifeInMind.pdf WestWater Engineering. 2013. Integrated Vegetation and Noxious Weed Management Plan for Bill Barrett Corporation's Epperly Laydown Yard. Grand Junction, CO. WestWater Engineering Page 2 of 2 September 2013 z:\land projects 2013\bill barrett corp west\epperly\dwg\cb-epperly stockyard future land use map.dwg 6/6/2013 2:31 PM CIRCLE B LAND LA YDO WN YARD SITE GARFIELD COUNTY COMPREHENSIVE PLAN 2030 FUTURE LAND USE MAP Future Land Use Map Garfield County Comprehensive Plan 2030 • Greenway Trail Urban Growth Area j ▪ Floadptain Industria! Open Space/Public Land Mixed Use Conservation Easement Commercial © Unincorporated Community Res fl [12 10 2 Ac/Dur kleafer6 SeederServrce Area MI Res MH {2 TO r8 AVOW CI Area o1Influence (3 miles) Res M (6 TO ,10 Ac/Ou) Res L {10+ Adnu) Agrtcutturat Produclio,vN I rel (35*MA%) Garfield County w*61[1,11Y.1•011.4.21033.........a, a 1..a4: Reginnal Emptn ynw nr Center ibwn Center Rural Employment Cerner Neighborhood Canter 1..1.11:61 7.05 arod., a a. ..M..,... I..MM, ,..» . .. . aur....♦MGIS .nel En, Ina PYnny Vp.1w�tl. [e:rM .rnl. [n.n or In In ...AN .-.N •.4 w 11.4 Gln. nr..�ne rm1..., u.a ...-. e• x....4 elE*Yry noel eras aurpaneam ECLIPSE Surveying, Inc. 111 E. THIRD ST., SUITE 208, RIFLE, CO 81650 (970) 625-3048 REV. SCALE: SCALE: N.T.S. DATE: 6/ 4/ 13 SHEET: 1 OF 1 PROJECT: EPPERLY DFT: TAB Bill Barrett Corporation CIRCLE B LAND SITE GARFIELD COUNTY COMPREHENSIVE PLAN 2030 FUTURE LAND USE MAP -Ecaps -BIII BarreaWwg\DRE DesIgn.ewg, Access Flgmet, 42720147:35:28 AM Garfield County Design Standard Primitive/Driveway Standards* Actual Project Minimum Exceeds or Meets Standards , LEGEND Design Capacity (ADT) 0-20 16 Meets a��+ Circle B Property Boundary Min. ROW width (feet) 15 to 30 20 Meets Lane Width (feet) Single Lane, 12 14 Meets ' Site Driveway Access Road Shoulder Width (feet) 0 0 Meets Ditch Width (feet) 3 n/a Meets Existing Building Cross Slope 2% 2% Meets n N, Fence Line ShoulderSlope n/a n/a Meets ° i,m' e,, . _ >' >, x—><-- Design Speed n/a n/a MeetsFi \-:, �-11 Minimum Radius 40 Greaterthan40 Meets 1, i. 1 t " `_� ..61,-;.,'�' I Maximum % Grade 12% 5.30% Meets C = g, ,A _ '^ _! " * See Section 7-107 of the Garfield County Land Use and Development Code 6l -El — —` ' 1�� ..,*I_ a —- A )r l f' I F 4 v,i i_-® `_� w J rI '� 1 M �� 'S gg I•I Nil I b � 62)13 . . 036 592 59tiQ 5.30 ° 6 IBI � ____4_,02k .: I• . 41 O0 6 I 3 ' .. � PL •• i r� J . ` r'I r gi _ _�� ii , pi 11 ILA d . ''' Damn - Ir� moi - ^ •1 III e t N i J s._ ` I I 1101,4, REQ,S I' a 41... r` i0 r ter,E ' l _, ac# ...----= . io `'0579 q� -O /"; , ... ...,..•\.45'. s I. 37.51 0' 75' � ( , COLORADO PO Box 1301 � }Access Road Layout y Figure: 1 i ri, Bill Ba Corp. 1 �; ' ' Rifle, CO 81650 tett _ r __, Graphic Scale in Feet , 11 . �.���� ;� +�ENGINEERING Tel 970-625-4933 Pile Name: CREDesign.dwg Job No: 1043.1 Client: — N I , �'-1 1?� i_ 1`° a INCORPORATED Drawn by: CB Approved by: CM Date: 4/17/14 1 Eclipse Surveying O LSSO N ASSOCIATES ROAD ASSESSMENT BILL BARRETT CORP CIRCLE B LAYDOWN YARD The following road assessment is to address Garfield County's Policy 04-01 waivers for roads and demonstration of compliance. The purpose of the road assessment is to assess the subject road for the Garfield County roadway standards listed within Table 7-107 of the Land Use Development Code. The Bill Barrett Corp (BBC) Circle B Laydown Yard Road Assessment begins where the road turns off of County Road (CR) 326 (Chipperfield Lane) in the NENE quarter of Section 35, Township 6 South, Range 92 West of the 6th P.M. and terminates in the SESW quarter of Section 23, Township 6 South, Range 92 West of the 6th P.M. at the BBC Circle B Laydown Yard Access Road. This road assessment is approximately 1.6 miles in length from CR 326 to the Laydown Yard access road. Included in the road assessment is the "Community Road", a Home Owners Association (HOA) road shared between BBC and the ranches and residents located along the road, which is approximately 1.5 miles in length and terminates at a locked gate. The remaining 0.1 miles is on Circle B Land Company property. BBC does most of the maintenance on the entire road. Field observations and data gathering were performed on July 14, 2014. The observations are summarized as an attachment to this assessment. Statement of Adequacy This road is typical of roads providing access to natural gas production facilities in Garfield County. The roadway is adequate for the intended use. Geometry of Road The following table compares this road to the Garfield County roadway standards found in Table 7-107 of the Land Use and Development Code for Semi -Primitive Roads. 760 Horizon Drive, Suite 102 Grand Junction, CO 81506 TEL 970.263.7800 FAX 970.263.7456 www.olssonassociates.com Table 7-107: Roadway Standards Design Standards Semi-Primiti r Road Assessm Design Capacity (ADT) 21-100 40 Minimum ROW Width (Feet) 40 30 Lane Width (Feet) 8 6.65 to 8 Shoulder Width (Feet) 2 0 to 3.8 Ditch Width (Feet) 4 0 to 6.4 Cross Slope 2% Chip/Seal 3% Gravel 0% to 2.2% Gravel Shoulder Slope 5% 0% to 2.2% 760 Horizon Drive, Suite 102 Grand Junction, CO 81506 TEL 970.263.7800 FAX 970.263.7456 www.olssonassociates.com Circle B Laydown Yard Bill Barrett Corp July 17, 2014 Table 7-107: Roadway Standards Design Standards Design Speed Minimum Radius (Feet) Maximum % Grade Surface Semi -Primitive n/a 50 12% Gravel n/a • Assessment 36 to 251 0.4% to 15.6% Gravel The road assessment does not meet the minimum right-of-way (ROW) width of 40 feet. The available ROW Agreement and Easement specifies the ROW as 30 feet. The lane width varies between 6.65 and 8.0 feet. Generally, the areas that do not meet the standard are at the crest of a hill where the road was cut through the hill without ditches or shoulders. The road does not have any shoulders at these locations. Where ditches are present, they range in width from 3 to 6.4 feet. The ditches are fairly shallow. Where discernible ditches exist, they are on one side only. The cross slope varies between 0% and 2.2%. In some places, the road slopes toward the side of the road without a ditch. The posted speed limit on the road is 15 mph. The horizontal radii range from 36 feet to 251 feet. All but one turn meet the minimum 50 foot standard radius. The grade for the road varies between 0.4% and 15.6%. The areas where the grade is greater than 12% occur in short sections. The road is surfaced with gravel. The road geometry changes occasionally with maintenance activities. Cross slopes change during maintenance operations. The road was built to follow the general topography of the area with minimal change to the natural grade. Safety/Structural Issues A significant drop off adjacent to the road was observed within approximately 1,000 feet of the road from the intersection of CR 326. Evidence of erosion was observed along the road edge that will require monitoring for maintenance. "Jersey barriers" were observed to mitigate safety concerns in the area. Additional mitigation methods should be evaluated during maintenance operations. Overall the roadway did not exhibit obvious safety or structural issues during the date of the field observation, July 14, 2014. Maintenance BBC does most of the maintenance on the Community Road. The road is inspected on a regular basis for maintenance issues. Maintenance includes grading as needed to remove washboard and repair potholes. The road surface is graveled as needed to maintain the road base with attention to dust control. Speeds are low to promote safety and reduce road damage. Travel Demand Average Daily Traffic (ADT) for the proposed project is expected to be equal to or less than 20 vehicles per day (VPD) as shown in the Basic Traffic Study prepared by Olsson Associates, Access Road Assessment Page 2 Circle B Laydown Yard July 17, 2014 Bill Barrett Corp dated April 2014 (study). Other users of the Community Road are expected to add an additional 20 vpd based upon conservative estimations provided by BBC. As a result, this roadway is being assessed according to the standards for a Semi -Primitive Road. As mentioned within the study, traffic associated with the use as a storage facility at the site includes primarily pickup trucks, 16 trips per day. Additionally, a medium width truck will access the site one time per week for 2 trips per week. Approximately five heavy trucks (10 trips) will access the site monthly to make equipment and material deliveries. Typical daily volumes will be approximately 16 trips per day with the potential for 20 trips. There will be a three-week construction phase wherein the graveled agricultural use area will be expanded. During this phase, there will be an increase in traffic as supplies and equipment is delivered to the site. Trips will generally include low -boy multi -unit trucks, approximately one to three per day, and pickups to transport staff, approximately two to three per day. Other Evidence of Compliance Section 7-107.A Access to Public Right -of -Way Legal access is provided via the ROW and Easement Agreement between John and Elena Legg and Bill Barrett Corporation, recorded April 20, 2005, Reception number 672556. Section 7-107.B Safe Access Access to the site is consistent with other similar uses. Section 7-107.0 Adequate Capacity Traffic congestion is not anticipated as a result of the proposed use. The roadway capacity is expected to be sufficient for the intended use. Section 7-107.D Road Dedications The road assessment is of a private road and the road is expected to remain private. Section 7-107.E Impacts Mitigated Based on the expected trip generation rates discussed in the Basic Traffic Study, the increase in average daily traffic is not expected to increase on County Roads such that a modification of the existing access permit would be required. The total traffic volumes are expected to remain very low and are anticipated to be accommodated by the existing roadway. Conclusions The road assessment identified areas that deviate from the Design Standards in Table 7-107 for ROW width, lane width, shoulder width, ditch width, cross slope, shoulder slope, and maximum grade. The ROW width is specified in the ROW Agreement and Easement to be 30 feet. The width is adequate for the types and volume of vehicles using the road. The lane width varies with the topography of the road. The narrowest areas are short distances at the crest of a hill where the road is cut through the hill without ditches or shoulders. Specifically, locations 2, 3 and 9 have lane widths less than 8 feet. Portions of the road have a fence line within the road ROW. Widening the road to meet the minimum lane width could require the removal of fences and Access Road Assessment Page 3 Circle B Laydown Yard July 17, 2014 Bill Barrett Corp additional disturbance through hill sides. The amount of traffic on the road does not warrant additional disturbance. On the majority of the road, the sight distances are such that drivers can see oncoming traffic and stop if necessary for the two vehicles to pass. Where there are discernible ditches along the road, the ditch width varies. Locations 3, 4, and 5 have ditch widths less than 3 feet. The majority of the road has ditches on one side only. In some areas, the cross slope inclines toward the side of the road where there is no ditch. As a result, areas were observed to have ponding water that could lead to the need for additional maintenance over time. There are no defined shoulders on the road. Areas of the roadway are wide enough to consider shoulders as an extension of the lane width. One turn between locations 3 and 4 has a turning radius of 36 feet. The turn is at a T - intersection where there appears to be sufficient room and sight distance for a large truck to maneuver around the corner. The road functions adequately for its intended use and is typical of existing roads providing access to natural gas production in Garfield County. (4),(474, Wyatt E. Popp, PE Access Road Assessment Page 4 0 z w z J z J w z_ w w = - > U 0 il. o ter' Cu0 0 0_co w� w 0Q 0 0 NOTE: INFORMATION SHOWN ON EXHIBIT IS APPROXIMATE. DATA REFLECTED WITHIN THE TABLE IS NOT BASED ON A TOPOGRAPHIC SURVEY. INFORMATION SHOWN IS BASED UPON MEASUREMENTS TAKEN DURING A SITE VISIT ON JULY 14, 2014. LOCATION STATION 1 4+00 2 12+00 CROSS SLOPE GRADE ROAD WIDTH LEFT DITCH RIGHT DITCH 1.1% —0.4% 18.9' 3.3' NONE 2.0% +8.4% 13.3' 5.0' NONE N 0' 100' 200' 400' SCALE IN FEET D DD OD: 1 a18D5 D EAD D DD: D00 D ADD: 315/201111 ❑L❑ ❑A❑❑❑❑❑ ❑❑❑❑A❑❑ ❑EL❑ ❑❑A❑❑ All A❑❑❑❑❑ ❑A❑❑®❑❑❑❑❑❑❑❑❑ ❑❑ O\OLSSON ASSOCIATES 060 Dorizon 0ri[P ❑rite 102 ❑ rand miction mo 81506 000 0E0.263.1600 CAE E50.263.0E56 EMCEED] 1oL5 CD 0 z LJ 2E z CD J to z J 0 J z EE / J �= 0 U 0 J 6 L (n 03 ,J) LC) zz o rmrrir rmm 09 CD w 0 0 CL / r, 6+55.64 6+04.08 6=36'• �m 0LJ 0 0 NOTE: INFORMATION SHOWN ON EXHIBIT IS APPROXIMATE. DATA REFLECTED WITHIN THE TABLE IS NOT BASED ON A TOPOGRAPHIC SURVEY. INFORMATION SHOWN IS BASED UPON MEASUREMENTS TAKEN DURING A SITE VISIT ON JULY 14, 2014. LOCATION STATION CROSS SLOPE GRADE ROAD WIDTH LEFT DITCH RIGHT DITCH 3 24+00 1.9% —12.3% 15.0' NONE NONE 0' 100' 200' 400' 4 42+00 2.2% —15.6% 22.0' NONE NONE SCALE IN FEET -N DDDmDD DD: 10-1805 ❑DAD D DD: ODD ❑ADD: 415/201 ❑ ❑ EL❑ ❑A❑ ❑ ❑ ❑❑ ❑ ❑❑ ❑A❑ ❑ ❑ U❑ ❑❑A❑❑ A❑A❑❑❑❑❑ ❑A❑❑®❑EIDE❑❑❑❑❑ ❑❑ [60 oorizon ori[6 O\OLSSON ite 102 rand nction00o 81506 0.263.E800 ASSOCIATES LAO 000.263. 66 DDD®® 2 OCb 0 H z w z 0 z J 0 J z L� J / J CZ = i LO aD I EL O N 7` W3 • o ico 6_r, 0W • Q 0 0 • • P7.54+10.80 • 4+44.89 • PT: 56+58.28 • . 1 .ai• 4 • P1 NOTE: INFORMATION SHOWN ON EXHIBIT IS APPROXIMATE. DATA REFLECTED WITHIN THE TABLE IS NOT BASED ON A TOPOGRAPHIC SURVEY. INFORMATION SHOWN IS BASED UPON MEASUREMENTS TAKEN DURING A SITE VISIT ON JULY 14, 2014. N LOCATION STATION CROSS SLOPE GRADE ROAD WIDTH LEFT DITCH RIGHT DITCH 0' 100' 200' 400' 5 50+00 1.5% -10.1% 23.6' NONE NONE SCALE IN FEET O 00moo oo: 1 o -18L15 ▪ 0A0 0 00: 000 0A00: [115/2010 ❑ El ❑A❑❑❑❑❑ ❑❑❑ ❑A❑ ❑ ❑®❑ ❑❑A❑❑ A❑A❑❑❑❑❑ A❑❑®❑❑❑❑❑❑❑❑❑ ❑❑ O\OLSSON Orad 1 nctonon M Fite 102 rand nction000 81506 0.263. X00 ASSOCIATES oAo 000.263.uI56 I0zz 3 o15 0 H z w z J U) z J 0_ J z iJ >° 0 iLj cn co o — u -)r`' 0W 0_CO t�r (3 Q 5. ow.: Y. , J _ ' 1 y ' i. • 'rir • • 4 'Apr .4.0 4 • 4, •+�►�': . • +`j 1r _. •yam, , ,. • �0• 114r orleipo ▪ „; P • 1• v♦' • • PC: 74+82.69 ▪ — •"k• • P y.' • 'al • f 11,• . 6'.0+, 71° ,,#• T: .T4+82.64 -PC: 58+94.97' - • PC: 61+21.34 a • • 7F-;-- 00 �• . a • ♦ • •• •• • i� .S + 1••R=143 J •, 111;•'P os •..i 63+75.44 '62+.,35.35 PT: 70+97.63 i I „/ ir �� , �• • PC: 68+J;.b.71• ; . . ` ; • •T•1-' • • f A • sr, s y •, • :es iL. NOTE: INFORMATION SHOWN ON EXHIBIT IS APPROXIMATE. DATA REFLECTED WITHIN THE TABLE IS NOT BASED ON A TOPOGRAPHIC SURVEY. INFORMATION SHOWN IS BASED UPON MEASUREMENTS TAKEN DURING A SITE VISIT ON JULY 14, 2014. LOCATION STATION 6 60+00 7 68+00 8 76+00 CROSS SLOPE 0.1 0.8% 0.3% GRADE ROAD WIDTH LEFT DITCH RIGHT DITCH +12.9% 19.0' —8.0% 21.0' +1.3% 18.2' 3.0' 3.7' 3.5' NONE NONE NONE 0' 100' 200' SCALE IN FEET 400' 000moi 1111: 11-1815 MAD D DD: 000 oADo: 415/201/ ❑ EL❑ ❑A❑ ❑ ❑ ❑❑ ❑ ❑❑ ❑A❑ ❑ ❑ U❑ ❑❑A❑❑ AO A1100110 ❑A❑❑E❑❑❑❑❑❑❑❑❑ ❑❑ OkOLSSON ASSOCIATES 160 oorizon ori[e lite 102 rand miction00o 81506 oo0.263. X00 340 m0.263. m56 DDD®® ❑O❑5 0 0 H z W z 0 0 z J 0 J z W >� 0 (n O 00 O � � N U - W O N CL CO Wr �1— (I O NOTE: INFORMATION SHOWN ON EXHIBIT IS APPROXIMATE. DATA REFLECTED WITHIN THE TABLE IS NOT BASED ON A TOPOGRAPHIC SURVEY. INFORMATION SHOWN IS BASED UPON MEASUREMENTS TAKEN DURING A SITE VISIT ON JULY 14, 2014. LOCATION STATION 9 82+00 10 86+00 11 88+00 CROSS SLOPE GRADE ROAD WIDTH LEFT DITCH RIGHT DITCH 1.0% +6.8% 15.0' 3.9' NONE 0.0% 8.6% 21.6' NONE 4.6' 1.7% 1.8% 22.0' 6.4' NONE 0' 100' 200' 400' SCALE IN FEET o lio moo oo: 10-18❑5 ❑ DAD 0 00: 000 0A00: 415/201 ❑ ❑®❑❑A❑❑❑❑❑ ❑❑❑❑A❑❑ ❑®❑ ❑❑A❑❑ A❑A❑❑❑❑❑ ❑A❑❑E❑❑❑❑❑❑❑❑❑ ❑❑ O\OLSSON ASSOCIATES O 60 Dorizon Ori E8 O 1te 102 ❑ rand mictionmo 81506 DD❑ 1700.263.6600 040 x.263.0 56 000®0 5oL5