HomeMy WebLinkAboutWorksheetmg 54{44-
1iiFNFRAI NOTFS:
I. ALL ITEMS SHOWN ON THE PLANS AS EXISTING ARE SHOWN IN APPROXIMATE LOCATIONS ONLY. THE ACTUAL
LOCATIONS MAY VARY FROM THE PLANS, ESPECIALLY IN THE CASE OF UNDERGROUND UTILITIES. CONTRACTOR
IS REQUIRED TO PERFORM UTILITY LOCATES BEFORE START OF CONSTRUCTION WHENEVER CONTRACTOR
DISCOVERS A DISCREPANCY IN LOCATIONS, HE SHALL CONTACT THE ENGINEER IMMEDIATELY.
7 THE CONTRACTOR SHALL OBTAIN, AT TIIEIR EXPENSE. ALL PERMITS THAT ARE NECESSARY TO PERFORM THE
PROPOSED WORK.
{I3. !THESE PLANS WERE PREPARED WITHOUT THE BENEFIT OF A GEOTECHNICAL STUDY OR A SITE SPECIFIC SOIL
f`V SURVEY.
4, ENTIRE SITE IS LOCATED WITHIN ZONE C, WHICH IS DEFINED AS AREAS OF MINIMAL F LOODINO. IHE SI IE
APPEARS ON FIRM MAP 0802051880 0, DATED JANUARY 3, 1986.
5 ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, COUNTY, AND
()CAL REGULATIONS
IRRIGA'O#LCIJLVERT NOIFS:
1. IRRIGATION CULVERTS IRR -1 AND IRR -2 ARE TO CONVEY FLOW RATES NO GREATER THAN 5 CUBIC FEET PER
SECOND.
2. IRRIGATION CULVERT IRR -3 I5 TO CONVEY FLOW RATES NO GREATER THAN 45 CUBIC FEET PER SECOND.
3. IRRIGATION CULVERTS IRR -1 AND IRR -2 ARE TO BE COMPOSED OF 18 INCH DIAMETER, CORRUGATED, SMOOTH
WALL, HIGH DENSITY POLYETHYLENE (HDPE).
4. IRRIGATION CULVERT IRR -3 I5 TO TO BE COMPOSED OF 48 INCH DIAMETER, CORRUGATED, SMOOTH WALL, HIGH
DENSITY POLYETHYLENE (HOPE).
5. ALL HIGH DENSITY POLYETHYLENE (HDPE) CULVERTS SHALL HAVE A MANNING'S ROUGHNESS COEFFICIENT OF
0.012 AND SHALL BE MANUFACTURED IN ACCORDANCE WITH ASTM F2619 AND ASTM D3350 STANDARDS.
6 HIGH DENSITY POLYETHYLENE (HOPE) JUNCTION STRUCTURE SHALL BE PREFABRICATED W1TH WATERTIGHT
FUSION WELD CONNECTION JOINTS.
7. ALL CULVERTS AND FLARED END SECTIONS SHALL BE BEDDED IN 3" OF LOOSE C.D.O,T. CLASS 1 STRUCTURAL
BACKFILL MATERIAL.
8, ALL CORRUGATED CULVERTS SEGMENTS AND FLARED END SECTIONS SHALL BE JOINED TOGETHER USING
WATERTIGHT COUPLING BANDS AND GASKETS, IN ACCORDANCE WITH MANUFACTURES INSTALLATION GUIDEUNES.
9. ALL HIGH DENSITY POLYETHYLENE (HOPE) CULVERTS SHALL BE INSTALLED WITH APPROPRIATE ANTI BUOYANCY
ANCHORING IN ACCORDANCE WITH MANUFACTURERS GUIDELINES,
10. ALL STEEL FLARED END SECTIONS (FES) SHALL BE MANUFACTURED IN ACCORDANCE WITH AASHTO M36
STANDARDS.
11. ADEQUATE COVER SHALL BE PLACED ABOVE ALL CULVERTS DURING CONSTRUCTION TO PREVENT DAMAGE,
12. ALL CULVERTS AND FLARED END SECTIONS SHALL BE BACK FILLED WITH SCREENED NATIVE SOIL AND SHALL
BE COMPACTED IN ACCORDANCE WITH APPLICABLE SITE-SPECIFIC GEOTECHNICAL ENGINEERING REQUIREMENTS.
DATUM;
ACCORDING TO THE THE "PARTIAL TOPOGRAPHIC SURVEY"
OF THE SITE PREPARED BY TRUE NORTH COLORADO,
DATED AUGUST 18, 2017: "ELEVATIONS SHOWN HEREON ARE
BASED ON NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVDBB)
BASED ON NATIONAL GEODETIC SURVEY STATION DESIGNATION
"WIESHAAR" HAVE AN ELEVATION OF 6205.05 FEET".
UNCC
CALL BEFORE
YOU DIG
1-800-922-1987
Utility Notification
Center of Colorado
Adminie0eeve Office 301-232-1991
12600 W. Cottee Ave , Suite B-310
Lakewood, Ca 80215
CALL 2 -BUSINESS DAYS IN ADVANCE
BEFORE YOU DIG, GRADE. OR EXCAVATE
FOR THE MARKING OF UNDERGROUND
MEMBER UTILITIES
ROARING FORK RANCH
16704 HIGHWAY 82
GRADING AND IRRIGATION IMPROVEMENT PLANS
SECTION 32, TOWNSHIP 7 SOUTH, RANGE 87 WEST OF THE 6TH P.M.
GARFIELD COUNTY, STATE OF COLORADO
PARCEL ID: 2391-293-00-082
I. •
Cad 111310111111
mialva ALI ifiti
VICINITY MAP
SCALE: 1' - 1,000'
SHEET INDEX
SHEET NUMBER
C1 T1-01
C2 GR 01
C3 PP -01-
C4 PP -02
C5 DT -01
C6 DT -02
TITLE
COVER SHEET
GRADING AND EROSION CONTROL PLAN
IRRIGATION PIPE PLAN AND PROFILE
IRRIGATION PIPE PLAN AND PROFILE
IRRIGATION DETAILS
STANDARD EROSION CONTROL DETAILS
ENGINEER:
HIGI-I COUNTRY ENGINEERING. INC.
CONSULTING ENGINEERS AND SURVEYORS
1517 BLAKE AVENUE, STE 101
GLENWOOD SPRINGS, COLORADO 81601
(970) 945-8676
ptAo
//)85, 69
GRADING NOTES:
1 ALL STRUCTURES, CONCRETE, TREES (DESIGNATED), BRUSH AND RUBBISH SHALL BE REMOVED AND ACCEPTABLY
-DISPOSED OF PER GARFIELD COUNTY STANDARDS
2. ALL ORGANIC MATTER SHALL BE REMOVED FROM FILL AREAS
3. ALL FILL AREAS SHALL BE COMPACTED IN ACCORDANCE WITH A GEOTECHNICAL ENGINEER'S RECOMMENDATIONS.
4. ALL SLOPES STEEPER THAN 2:1 SHALL BE TREATED WITH SEED AND MULCH AND EROSION CONTROL BLANKET
NORTH AMERICAN GREEN SC150 OR EQUIVALENT.
5. EROSION CONTROL BALES OR SILT FENCE SHALL BE PLACED AT THE TOE AND DRAINAGE OUTFALL POINTS OF
ALL SLOPES 2:1 OR STEEPER TO PREVENT SILTATION ON STREETS REFER TO GRAOING AND EROSION CONTROL
PLAN FOR DETAIL AND LOCATION OF EROSION CONTROL MEASURES.
6. 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 AND PROTECTED FROM EROSIVE ELEMENTS,
INCLUDING EROSION CONTROL AROUND THE PERIMETER OF SAID STOCKPILES,
7. AT ALL TIMES, THE PROPERTY SHALL BE MAINTAINED AND/OR WATERED TO PREVENT WIND -CAUSED EROSION.
EARTHWORK 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 OWNER/DEVELOPER SHALL IMMEDIATELY INSTITUTE MITIGATIVE MEASURES AND SHALL CORRECT
DAMAGE TO ADJACENT PROPERTIES
8. CONTRACTOR SHALL COMPLY WITH ALL LOCAL, COUNTY AND STATE REGULATIONS PERTAINING TO SHORING,
GRADING. TRAFFIC CONTROL, NOISE CONTROL DUST CONTROL AND EROSION CONTROL
9. THE CONTRACTOR SHALL INSTALL ALL EROSION AND SEDIMENTATION BEST MANAGEMENT PRACTICE (BMPs)
MITIGATION DEVICES PRIOR TO COMMENCEMENT OF WORK.
10. THE CONTRACTOR SHALL IMPLEMENT ALL FUGITIVE DUST CONTROL BEST MANAGEMENT PRACTICE (BMPs)
PROCEDURES PRIOR TO COMMENCEMENT OF WORK.
11. THE CONTRACTOR SHALL PERIODICALLY INSPECT AND MAINTAIN ALL EROSION AND SEDIMENTATION EROSION
CONTROL BEST MANAGEMENT PRACTICE (BMPs) MITIGATION DEVICES THROUGH OUT THE DURATION OF THE
PROJECT.
12. 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 AREA REQUIRED FOR
IMMEDIATE CONSTRUCTION OPERATIONS AND FOR THE SHORTEST PRACTICAL PERIOD OF TIME
13. THE OWNER SHALL RESEARCH AND IDENTIFY THE ADJUDICATED WATER RIGHTS AND MAXIMUM FLOW RATES
ASSOCIATED WITH THE EXISTING IRRIGATION DITCHES AND VERIFY THE STATED CAPACITIES OF THE PROPOSED
IRRIGATION CULVERTS. PRIOR TO CONSTRUCTION.
14. THE PROPOSED EARTHEN BERMS SHALL BE PROPERLY COMPACTED AND EQUIPPED 8114 ADEQUATE
STABILIZATION MEASURES TO PREVENT SOIL FAILURE OF THE SIDE SLOPES FROM OCCURRING, IN ACCORDANCE
WITH A GEOTECHNICAL ENGINEER'S RECOMMENDATIONS
DISTURBED EARTHEN SURFACES SHALL BE STABILIZED. DRESSED WITH TOPSOIL. BLANKETED, FINE GRADED,
SEEDED AND MULCHED, IN ACCORDANCE WITH ALL APPLICABLE GARFIELD COUNTY REVEGETETION REQUIREMENTS.
16. ALL EXISTING UTILITY LINE LOCATIONS MUST BE VERIFIED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. UNDER
GROUND UTIUTIES DO NOT APPEAR ON THIS PLAN. THE CONTRACTOR SHALL CONTACT THE UTILITY
NOTIFICATION CENTER OF COLORADO (U.N.C.C.) TO ARRANGE FOR MARKING OF UNDER GROUND UTILITIES, AT
LEAST 48 HOURS PRIOR TO COMMENCEMENT OF WORK
17, THE CONTRACTOR SHALL OBTAIN ALL NECESSARY UTILITY PERMITS FROM AFFECTED PUBLIC AND PRIVATE UTILITY
PROVIDERS PRIOR TO COMMENCEMENT OF WORK. AND SCHEDULE ALL NECESSARY UTILITY RELOCATIONS,
GRADING, TRENCHING, TAPPING AND INSPECTIONS 48 HOURS IN ADVANCE.
ALL GRADING W11HIN BLACK HILLS ENERGY NATURAL GAS EASEMENTS SHALL PER PERFORMED ONLY WHEN A
REPRESENTATIVE OF BLACK HILLS ENERGY IS PRESENT AT THE SITE TO OBSERVE THE WORK.
19. THE CONTRACTOR SHALL MAINTAIN CONTINUOUS OPERATION OF ALL UTILITY SERVICES DURING CONSTRUCTION AT
ALL TIMES
20 THE CONTRACTOR SHALL OBTAIN ALL NECESSARY IRRIGATION PERMITS FROM THE BASIN DITCH COMPANY PRIOR
TO COMMENCEMENT OF WORK, AND PERFORM WORK IN ACCORDANCE W11H THE BASIN DITCH COMPANY
STANDARDS.
21. THE SURVEYED TOPOGRAPHIC AND BOUNDARY INFORMATION SHOWN HEREON WAS OBTAINED FROM THE "PARTIAL
TOPOGRAPHIC SURVEY" OF THE SITE PREPARED BY TRUE NORTH COLORADO, DATED AUGUST 18, 2017.
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ENGINEER'S CERAF1CA11ON
PREPARED UNDER MY SUPERVISION
THOMAS J. SCOTT, P.E
COLORADO NO. 39393
FOR AND ON BEHALF OF HIGH
COUNTRY ENGINEERING. INC
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HUNTER CREEK GROUP
GARFIELD COUNTY, CO.
16704 HIGHWAY 82
ROARING FORK RANCH
GRADING PLAN
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HIGH COUNTRY ENGINEERING, INC
1517 BLAKE AVENUE, STE 101,
GLENWOOD SPRINGS, CO 81601
PHONE (970) 9458676 - FAX (970) 9452555
W W W.HCENG.COM
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DATE
REVISION
6Y
CALLNTE8 O NO LORATION
-80 -922-1987
1 SOD 922-1967
1-800-922-1987
OR 536.06700 INpMETRO DEN JER
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HCE
(0/30/17
IRR CULVERT SIZES AND AIATEMAL
HCE
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