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Home My WebLink AboutOWTS As-Built DesignX XXXXXXXXXXXXXXXXXXXX X X X X X X X X>>>>>>>>>>>>>>>LYONS D ITCH100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YR100-YRUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEUEDYH12+0013+0014+0015+0016+006100 FMFMFMFMFMFMFMFMFMFMFMFMFMFMFMC/ORIM NORTH: 6101.50' ABRIM SOUTH: 6101.29' ABFG: 6100.09' ABAS BUILT EVENTCENTER4"Ø PERF PVC VENT4"Ø PERF PVC VENT610261056105610761032"Ø POLY PIPEFORCE MAINCDPHE APPROVED WATERTIGHT 2,000-GALPRECAST CONCRETE DUAL 1,000-GAL CHAMBERSEPTIC TANK WITH DOSING PUMP PACKAGE(SEE DETAIL). 18" MINIMUM COVERMOUNDED ABSORPTION FIELD AREAByRevisionNo.Date 923 Cooper AvenueSuite 201Glenwood Springs, CO 81601tele: 970.945.5252fax: 970.384.2833Engineer or Surveyor SealSheetClient Information:PROJECT NO.FILE NAME:Designer:Drafter:Date:N:\PROJECTS\2012\12021-Gianinetti Carbondale Parcel\dwg\12021-C_As_Built.dwg 6/26/2019 1:45 PM NORTH9. 8. 7. 6. 5. 4. 3. 2.6/7/19APLBDL12021-c_as_built.dwg12021000.000.0000CARBONDALE, CO 81623592 COWEN DRGIANINETTI FAMILY PARTNERSHIPCARBONDALE, CO 1. ---- OWTS As Built Gianinetti Ranch Event Center V.10030'60'Scale: 1" = 30'ROCTCURTSN ONOI FTON PRELIMATTACH REMOVABLE CAP ORTHREADED CLEANOUT ASSEMBLY.INSTALL MARKER IF CAP IS TOBE BURIED.FLOWFINISH GRADE4" OR 6" ØPVC RISER4" OR 6"Ø45° BEND4" OR 6" PVC WYE4" OR 6"Ø PVC SEWER LINENORTHCOVER WITH 6" MIN OFTOPSOIL AND REVEGETATE12' WIDE BED (MAX)SELECT MEDIUM SANDREPLACE ALL TOPSOIL MATERIALDOWN TO EXISTING GRAVELS WITHSELECT MEDIUM SANDEXISTING GRAVELScale: N.T.S.Cleanout3Water &Wastewater·Systems·Products·Service(719) 395-6764Fax: (719) 395-3727Website: www.valleyprecast.comEmail: frontdesk@valleyprecast.com28005 Co. Rd. 317P.O. Box 925Buena Vista, CO 81211Item #2000T-2CP2000 Gallon Top Seam TwoCompartment with High Head PumpTop ViewSection View162"20" Clear Access78"ALLOWABLE BURY(Based on Water Table)WATER TABLEALLOWABLE EARTHFILL0' - 0"3' - 0"1' - 0 "3' - 0"2' - 0"4' - 0"3' - 0"4' - 0"DRY4' - 0"DESIGN NOTES·Design per performance test per ASTM C1227·Top surface area 87.75 ft²·f'c @ 28 days; concrete = 6,000 PSI Min.Installation:·Tank to be set on 5" min. sand bed or peagravel·Tank to be backfilled uniformly on all sides inlifts less than 24" and mechanically compacted·Excavated material may be used for backfill,provided large stones are removed·Excavation should be dewatered and tank filledwith water prior to being put in service forinstallation with water table less than 2' belowgrade·Meets C1644-06 for resilient connectors·Inlet and Outlet identified above pipe·Delivered complete with internal piping·PVC or concrete risers available·Secondary safety screen available with PVCriserTANKID15' Long x 8' Wide Inlet Outlet Length Width Height Inlet Side Outlet Side Total56" below inlet invert 56" 73" 162" 78" 92" 1559 gallons 507 gallons 2066 gallonsDigging Specs Invert Dimensions Net Capacity Net WeightLid Tank Total5,420 lbs 15,530 lbs 21,150 lbs156.642555.749767.752973.089218.644418.971548.7528Flexible BootButyl RubberSealantWires to Panel24" Min. HeightQuick DisconnectBall Valve5"4"1,000 GALCHAMBER1,000 GALCHAMBERORENCO PF3005 PUMP30 GPM, 1/2HPSET PUMP TIMER FOR 10 MINDURATION @ 2 HOURINTERVAL, SET CUTOFFFLOAT AT 500 GAL (50%)REMAINING IN CHAMBERScale: N.T.S.Mounded Pressure Dosing Bed1SITE EVALUATION1.SITE AND SOIL EVALUATIONS WERE PERFORMED BY:BRUCE D LEWIS, PEBOUNDARIES UNLIMITED INC.923 COOPER AVE. STE 201GLENWOOD SPRINGS, CO 81601970.945.52522.EVALUATION DATE(S): OCTOBER 11, 2017.3.PERCOLATION (PH) TESTS RESULTS:PERC HOLE #1 - 6.7 MPIPERC HOLE #2 - 15.0 MPIPERC HOLE #3 - 8.6 MPIPERC HOLE #4 - 7.5 MPIPERC HOLE #5 - 8.6 MPIPERC HOLE #6 - 6.7 MPI AVG = 8.9 MPI4.SOIL TYPE = 1 (TABLE 10-1) BASED ON PERCOLATION TEST & SOIL EVALUATION.TREATMENT LEVEL 1 LTAR= 0.80 gals/day/sq.ft.5.SETBACK REQUIREMENTS FOR A TREATMENT LEVEL 1 STA TRENCH/BED, UNLINEDSAND FILTER OR SEEPAGE PIT (PER TABLE 7-1) AND AN EFFECTIVE TOTALADWF=1,700 GPD:5.A.SPRING OR WELL=100'5.B.POTABLE WATER SUPPLY LINE=25'5.C.POTABLE WATER SUPPLY CISTERN=25'5.D.DWELLING=20'5.E.PROPERTY LINE, PIPE OR LINED IRRIGATION DITCH=10'5.F.INTERMITTENT IRRIGATION LATERAL, INFILTRATION STRUCTURE=25'5.G.LAKE, WATER COURSE, IRRIGATION DITCH, STREAM OR WETLAND=50'.(DISTANCE REDUCED WITH PVC LINER BARRIER)5.H.DRY GULCH, CUT BANK OR FILL AREA=25'5.I.SEPTIC TANK=5'5.J.RESTRICTIVE LAYER OR GROUNDWATER (VERTICAL): 3' (TREATMENT LEVEL 1,PRESSURE DOSING)3.SETBACK REQUIREMENTS FOR THE SEPTIC TANK SHALL BE (PER TABLE 7-1):3.A.SPRING OR WELL=50'3.B.POTABLE WATER SUPPLY LINE=10'3.C.POTABLE WATER SUPPLY CISTERN=25'3.D.DWELLING=5'3.E.PROPERTY LINE, PIPE OR LINED IRRIGATION DITCH=10'3.F.INTERMITTENT IRRIGATION LATERAL, INFILTRATION STRUCTURE=10'3.G.LAKE WATER COURSE, IRRIGATION DITCH, STREAM OR WETLAND=50'3.H.DRY GULCH, CUT BANK OR FILL AREA=10'3.I.STA TRENCH/BED, UNLINED SAND FILTER OR SEEPAGE PIT=5'4.SEPTIC TANKS & RISERS (AND ALL JOINTS)MUST BE WATERTIGHT TO PREVENTGROUNDWATER INFILTRATION DUE TO HIGH GROUNDWATER AND FLOOD PLAIN ELEVATIONSURFACETOPSOILScale: N.T.S.Site & Soils Evaluation41.5'6.5'SILTY SANDYGRAVELSWITHCOBBLESTEST HOLE 1TOPSOIL1.5'6.5'SILTY SANDYGRAVELSWITHCOBBLESGRD WATER5.2 FT DEPTHEXISTING GROUND ELEVATIONXXBOUNDARY LINELEGENDEXISTING WETLAND BOUNDARYOEOEEXISTING OVERHEAD ELECTRICFEMA FLOOD PLAIN ELEVATION100-YR100-YREXISTING FENCEAPPROXIMATE LIMITS OF100 YEAR FLOODWAY (PER FEMA)APPROXIMATE LIMITS OF100 YEAR FLOODPLAIN (PER FEMA)EXISTING DRIVEWAYEDGE OF GRAVEL DRIVEFMFMAS BUILT FORCED MAIN>>>FLOW LINE OF DITCHMOUND PLAN VIEW(N.T.S.)3' MIN PIPE LATERAL LAYOUT(N.T.S.)GENERAL ABSORPTION AREA NOTES1.INSTALL CHAMBER UNITS IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS.2.ABSORPTION BEDS SHALL NOT EXCEED 12-FEET' WIDE BY 100-FEET IN LENGTH, SHALL PARALLEL THETOPOGRAPHY AND SHALL BE INSTALLED IN A RECTANGULAR PATTERN WHENEVER POSSIBLE. SIX (6)FEET MINIMUM SEPARATION DISTANCE BETWEEN BEDS3.THE BOTTOM OF THE ABSORPTION BED SHALL BE LEVEL AND THE BOTTOM AND SIDEWALLS MUST BERAKED TO REMOVE ANY SOIL SMEARS INCURRED DURING THE EXCAVATION. FAILURE TO DO SO MAYREQUIRE THE CONTRACTOR TO REPLACE THE ABSORPTION FIELD AT HIS/HER OWN EXPENSE.4.DRAINAGE SWALES ARE TO BE PROVIDED ABOVE AND AROUND THE FIELD, AS NECESSARY, TO PREVENTSURFACE RUNOFF FROM ENTERING ABSORPTION AREA.5.NO EXCAVATION OF THE ABSORPTION FIELD IS TO BE DONE DURING WET WEATHER AND USE OFRUBBER TIRE VEHICLES OVER THE ABSORPTION AREA IS STRICTLY PROHIBITED.6.UNSUITABLE MATERIAL EXISTING WITHIN THE FIELD SHALL BE EXCAVATED AND BACKFILL SHALLCONSIST OF IMPORTED LOAMY SAND OR SANDY GRAVEL. THE ENGINEER SHALL BE CONTACTED IFBEDROCK OR GROUNDWATER IS ENCOUNTERED IN THE OVEREXCAVATION.7.TOPSOIL COVER MAY BE VARIED (1-FOOT MINIMUM, 2-FOOT MAXIMUM) TO ALLOW FOR LANDSCAPING.MOUND SECTION DETAIL(N.T.S.)COMBINATION AIR VENT &INSPECTION PORT DETAIL(N.T.S.)GROUNDWATER ORFLOOD PLAIN ELEVATION(WHICHEVER IS HIGHER)34" OR 112" SCREEN ROCK6"2"3' MIN3' MINFILTER FABRICOVER GRAVELSURVEY-BASIS OF ELEVATIONTHE COLORADO RIVER AND TRIBUTARIES FLOOD PLAIN STUDY PREPAREDFOR GARFIELD & MESA COUNTIES, COLORADO, DATED DECEMBER 1982UTILIZED BENCHMARK D-156 WITH AN ELEVATION OF 6192.284. THEBENCHMARK UTILIZED ON THE EAST BRIDGE ABUTMENT ON COLORADO 133AT COLORADO 82 HAS BEEN LOST.THE NGS DATA SHEET FOR D-156 SHOWS THE NGVD 29 ELEVATION AS6192.28. IT SHOWS THE NAVD 88 ELEVATION AS 6196.72. NAVD 88 TO NGVD29 DATUM EQUALS MINUS (-) 4.44. COLORADO DEPT OF TRANSPORTATION(CDOT) UTILIZED NAVD 88. BOUNDARIES UNLTD (BUI) TIED INTO CDOTCONTROL POINTS 9.14' HIGHER, THEREFORE BOUNDARIES ORIGINALVERTICAL DATUM WAS 13.58 (9.14+4.44) HIGHER THAN FIRM MAPS. BUIDATUM ADJUSTED -13.58 FEET EQUALS NGVD 29 FIRM MAPPING.DISTRIBUTION LATERALOWTS NOTES1.ALL CONSTRUCTION SHALL BE IN A ACCORDANCE WITH CDPHE REGULATION #43 ONSITE WASTEWATER TREATMENT SYSTEMREGULATION (OTWS), MOST CURRENT EDITION, POLICY NUMBER 6: MULTIPLE INDIVIDUAL SEWAGE DISPOSAL SYSTEMS, AND LOCAL AGENCYREQUIREMENTS WHICH MAY OR MAY NOT SPECIFICALLY BE NOTED ON THE DRAWINGS. THIS DRAWING IS NOT AN OWTS PERMIT. A PERMITMUST BE OBTAINED FROM THE APPROPRIATE LOCAL AGENCY. THE ENGINEER MUST OBSERVE THE CONSTRUCTED SYSTEM BEFORE BACKFILLAND PROVIDE A LETTER OF INSPECTION AS REQUIRED BY THE LOCAL GOVERNING AGENCY. THE CONTRACTOR SHALL REQUEST FOR INSPECTIONAT LEAST 48-HOURS PRIOR TO THE SCHEDULED TIME OF BACKFILLING.200-PERSON EVENT CENTER DEMAND CALCULATIONS (SEC.43.6.A.4.(1))2.A.200-PERSON EVENT CENTER W/RESTROOMS WITH MOUNDED DOSING AND TREATMENT LEVEL 1 (TL1)2.B.AVERAGE DAILY WASTEWATER FLOW (ADWF):2.B.1.200-PERSON EVENT CENTER INCLUDES RESTROOMS AND PREP KITCHEN; INCLUDES NO DISPOSAL, LAUNDRY OR DISHWASHER; PRIMARYUSAGE- WEEK END WEDDINGS TABLE 6.2 - CHURCH OR FACILITIES WITH SHORT-TERM OR TRANSIENT VISITORS: 5 gpdcTOTAL ADWF = 5 gpdc * 200 PERSONS = 1,000 gpd3.SEPTIC TANK (SEC.43.9.B.2.b)3.A.200-PERSON EVENT CENTERTANK SIZED TO PERMIT DETENTION OF WASTEWATER DESIGN FLOW FOR A MIN OF 48 HOURS3.B.1.48 HR DENTENTION VOL = 1,000 gpd * 2 DAYS (48 HRS) = 2000 GALS.FIRST COMPARTMENT/TANK MIN. VOL = 50% * 48 HR DENT. VOL = 50% * 2,000 GALS = 1,000 GALS(USE 1,000 GAL SINGLE COMPARTMENT TANK - FIRST TANK IN SERIES)SECOND COMPARTMENT/TANK MIN VOL = 48 HR DENT VOL TANK - FIRST TANK VOL =2,000 GALS - 1,000 GALS = 1000 GALSUSE 2,000 GAL 2-COMPARMENT TANK - (USE 1,000-GAL SINGLE COMPARTMENT TANK EQUIPED WITH EQUIPED A DOSING PUMP STATION -SECOND TANK IN SERIES)4.ABSORPTION AREA CALCULATIONS4.A.GROUNDWATER WAS ENCOUNTERED 5.2 FEET BELOW GROUND; FLOOD PLAIN ELEVATION OF 6,102' IS APPROXIMATELY 24“ BELOWEXISTING GROUND SURFACE; GOUND SURFACE IS A FLAT 4% DOWN SLOPE TO WEST; THEREFORE, THE ABSORPTION FIELD SYSTEM SHALL BE APRESSURE DOSED GRAVEL BED CONFIGURATION. SOILS REVIEWED BY BOUNDARIES UNLIMITED, INC ON. AND HP-KUMAR, INC, WERE FOUNDTO BE TO BE SLIGHTLY SILTY SANDS & GRAVELS WITH PERCOLATION RATES RANGING BETWEEN 6.7 AND 15 MINS PER INCH. PERCOLATIONTESTS WERE ALSO COMPLETED IN TWO 10 FT X 10 FT X 3 FT TEST MOUNDED FILL AREAS (LIGHTLY COMPACTED) USING NEARBY EXCAVATEDSILTY SANDS FOR THE FILTER MATERIAL RESULTING PERCOLATION RATES OF 9.5 AND 14.6 MINS PER INCH. THE MOUNDED MODERATELYCOMPACTED FILTER MATERIAL PERCOLATION TEST RATES RANGED FROM 5.1 TO 12.4 MINS PER INCH. THE ABSOPRTION FIELD AREA DESIGNEDFOR A TREATMENT LEVEL 1 LONG TERM ACCEPTANCE RATE (LTAR) OF 0.80 gpd/SF (PER TABLE 10-1)4.B.MINIMUM SOIL TREATMENT AREA A: (SEC.43.10.C.4)AREA = EFFECTIVE TOTAL ADWF = 1,000 gpd = 1,250 SF LTAR 0.80 gpd/SFSIZE ADJUSTMENT FACTORS: PRESSURE DOSING = 1.0; GRAVEL BED = 1.0 (PER TABLE 10-2 & 10-3)AREA (adj) = 1,250 SF * 1.0 * 1.0 = 1,250 SF, ABSORPTION GRAVEL BED IS 12-FT WIDE BY 104-FT LONGTEST HOLE 2