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HomeMy WebLinkAboutConstruction Design Plansn a 0 i rV 1Je.32 7'100"4v ') J^°r IGT pc ist T v Nock you �- 1 242.74' - - l._ Ccnc i S Btak yarr rco Itg eN�4�x W O f J Voodc and $taY �l 11 i � 1 „. 5" 3� -Cir Gvef "� I I I Pa pa r141179 - Aria Found Spike ver 0 §� Utiitty Pole -1- Overhead Utility Lines -Indica to Apparent -�, Fa 5 enient.CO - 0 0 Southwest rorner of tilt 2 / per deed record fixation %Rrbar V/Atun Cap, PELS\5933 >/Ut,i'ty Po!e xecdr- _ 244 l Found BLN Mon. Cap Centar 1/4 Corner \\ Ser Uwt 2 weaftAP191CLICALE 20 10 20 40 207 50' soundid/Mega:no -_etr-_s\ Plnstfc Cop.i 6" MIN. 4" 4° f_ N.TS. ORAGGR ARDS AVEDSURFACEFACE EXCAVATED MATERIALCOMPACTED TO 90%STANDARD PROCTOR SUITABLE BACKFILL OR CLASS 6 ROAD BASE (IN FEET) 1 inch = 20 ft. 7 =11=14= -II=11=1=F-IT-11-11- . I II=11=11=1=, - , F= - If=II. Liquid Level _ UNDISTURBED EARTH SCREENED BACKFILL NATIVE SOIL CROWN FIELD TRENCH TO DIVERT SURFACE WATER DOSING GRADE TOPSOIL Pump Basin Assembly See EDW -TD -17 CONNECT TRANSPORT LINE T01.25" PRESSURE MANIFOLD. TRANSPORT PIPE INVERT MIN. 2" HIGHER THAN INVERT OF MANIFOLD TEE CONNECTION. USE 45°OR 22.5° FITTINGS. / " 1.25" SCHD-40 PVC PRESSURE MANIFOLD W/ INDIVIDUAL 1.25" TEES OR ELBOWS TO 1.25" CUSTOM PERFORATED DISTRIBUTION PIPE / CHAMBER END CAP SEED AND MULCH FINISH SURFACE MAINTAIN SUITABLE VEGETATIVE COVER 1.25" SCHD-40 PVC DISTRIBUTION 1‘.1ANIPr) O I 12" -_ 8" MIN. MAX. 24" // QUICK -4 INFILTRATOR / OR EQUAL BIO DIFFUSER SPRAY SHIELDS PRESSURE DISTRIBUTION / PIPE CONNECTED THROUGH END CAP TO CUSTOM PERFORATED DISTRIBUTION LATERAL PIPE SCARIFY/TILL BOTTOM SURFACE AND EXCAVATION SIDE WALLS SC{t)Rt PLPE wirf PUSH :steles 36" i - LCS E PERFORATED PRESSURE PIPE WITI'' ORIFICE C AT 17 O'CLOCK INTE 0.25- 61 MN WITH UNIFORM. COEF T SAND FILTER LAYER EFFECTIVE < 01 SIZE USE >7/';,> j1 ;/ \/\/„i\/j�/ V \</ WASHED CONCRETE SAND -ASTM -33 (PRIMARY) �}y((/� /�\ /� /�\/\ /\ ,;\ \/ \\/ \ \/ \ \:/\.\\C �\ \ ( MACHINE COMPACT AND LEVEL TOP SURFACE 12' -MIN. NOTE: THE INTERMITTENT SAND FILTER BED MUST BE LEVEL. INSTALL CHAMBERS WITH INLET AND END CAPS OVER SAND LAYER FOR USE AS SPRAY SHEILDS. INSTALL INDIVIDUAL DISTRIBUTION LATERALS TO THE HAD OF EACH CHAMBER ROW FROM A MAINIFOLD CONNECTING EACH CHAMBER ROW. CUSTOM PERFORATED PIPE TO BE LAID ON TOP OF THE SAND LAYER WITH ORIFICES ORIENTED UPWARD EXCEPT THE FIRST AND LAST ORIFICES TO BE ORIENTED DOWNWARD. INSTALL A 4" VERTICAL INSPECTION RISER FROM THE MOLDED CUT OUT ON THE LAST CHAMBER IN EACH ROW. INSTALL A BALL VALVE AT THE END OF THE DISTRIBUTION LINE ACCESSIBLE FROM THE INSPECTION PORT TO ALLOW FLUSHING OF THE LINE. THE VALVE IS CLOSED FOR NORMAL OPERATION. NATIVE GRAVELLY SANDY LOAM SOIL WITH COBBLES AND BOULDERS PRF„SSURE DO,S'FD INTFRMITTFNT SAND FILTER SYSTEM WITH CHAMBER SPRAY SHEILDS VICINITY MAP NO NAME gi Nzo SUBJECT PARCEL E CHL TIT A, LEGAL DESCRIPTION: NO NAME I-)0 REST AREA That part of Lot 2, Section 2, Tp 65., R. 89W., 6th P.M. described as follows: Beginning at the SW comer of said Lot 2; thence 5 88°27' E 207.5' along the South line of said Lot 2 to a point on the West line of a deeded lane; thence N 14°13'E 153.18' along said West line; thence N 88°27' W 242.74' to a point on the West line of said Lot 2; thence S 00°55' W 149.46' along said line to point of beginning. Pump SeMclon foraPm=L SYnem. "Pe ee eR.wu.'" wq.a nan CR 1.29 Helaanstein 'Pres to`,.=“ne 0 Se Ofl SO uae n< ov: Mmenun Rums ldwuoenens �wTrwnRM.B anw"Km.au !M EMIL •11�1 q ■111111■ \11111111 .n Net DiccN9e IgPal Design Calculations OWTS Installation of an OWLS with a minimum 3 -bedroom capacity. From the State Regulation 43: Minimum population based on 3 bedrooms = 6 persons. Gallons per day per person =75 gal/person/day, No peaking factor Max. Design flow (Qd)gallons/day = (It of people) x (avg. flow)gaVperson/day. Design flow Qd = 6`75=450 gpd Septic Tank Design: Use a 1000 gallon, two compartment reinforced plastic septic tank and a detached 30 -inch diameter ribbed PVC riser pump basin assembly with bio -tube high head pump dosing assembly installed in series with the septic tank. Sub Surface Conditions and Testing: Subsurface soil investigations and USDA soil texture method tests were performed by Sopris Engineering. The soils in the area of the proposed absorption field were sampled and characterized by application of the USDA soil texture method test. The soils were tested to determine the native soils hydraulic loading rate and to analyze soil/rock content for installation of an intermittent sand filter treatment system. The soils below 3 to 8 inches of topsoil consist of medium dense gravelly sandy loam material to 1.5 to 5 feet below the surface with 25% rock content and scattered boulders . No limiting soil conditions were encountered. The soil appears to be consistent across the site. The native soils sampled from 2-3 feet below the surface are characterized as a soil type 2 consisting of sandy loam texture with moderate granular structure. This soil has an effective loading rate for conventional soil treatment of 0.6 GaVS.F./day for a level 1 conventional treatment system. Due to limited area and to provide optimal treatment an intermittent sand filter is recommended to provide for level 3 treatment. No free water was encountered in excavations on site. Groundwater levels are expected to be below 30 feet from the existing surface grades. The sand filter treatment bed system that will be fully pressure dosed. performed during construction to vers the sails in the proposed field An additional soil evaluation will be pe g ty p p excavation. Intermittent Sand Filter Treatment Unit/Absorption System Design: The treatment/absorption field is designed based on utilizing the effective Long Term Acceptancetance Rate LTAR for an intermittent sand filter treatment system utilizing pressure dosed distribution laterals and gravelless chamber units as spray shields providing level 3 treatment prior to infiltration into the native soils. The new treatment system will consist of a fully pressure dosed sand filter -Treatment bed System with a 36 -inch layer of filter sand (ASTM -33, "washed Concrete sand"). Long Term Acceptance Rate (LTAR) Considering the application of the new state regulation 43: Receiving Wastewater Treatment Level 1; loading rate for sand filter is (1.0 gal./S.F./day) for the minimum 36" depth of primary treatment media; Loading factors; (Table 10-2, pressure dosed application bed = 1.0 ) A(sf) = Qd .: A = Area; LTAR LTAR = 1.0 Gal/S.F./day for ASTM -33, " washed Concrete sand" Qd = flow (gal/day) = 450 gpd L.F.1=1.0 pressure dosing A(sf) = 450 gpd x 1.0 = 450 S.F. 1.0 Ga1/S.F./day Install two 19' by 12' sand filter beds. Excavate the bed to a maximum 4.5 depth below finish grade. Scarify surface and backfill with 36 -inches of ASTM -33, "Washed Concrete sand" Typical for each bed, install 3 runs of custom perforated distribution laterals on top of sand layer and cover with 36 Quick -4 chambers in 3rows with 4 chamber units per row for use as pressure dose spray shields, as delineated on the plan. The beds will be dosed from the simplex high head distribution pump system installed in the dosing pump basin. GENERAL NOTES: 1. THE OWTS AS SHOWN ON THE PLAN AND THE DETAILS WERE DESIGNED BY SOPRIS ENGINEERING. 2. THE PROPOSED LOT CONDITIONS AND SURVEY INFORMATION BASED ON DEED AND AERIAL MAPPING BY SOPRIS ENGINEERING. ADDI710NAL SURVEY INFORMA710N PENDING 3. PRIMARY OWNER NAME AND ADDRESS: HELFFENSTEIN, DENNIS A. & DIANA M. 18425 SUNBURST DRIVE MONUMENT, COLORADO 80132 4. Legal Summary Quarter, SECTION: 2 TOWNSHIP: 6 RANGE: 89 SUBDIVISION: M RB TRACT IN LOT: 2 LO ACRES, AS RECORDED IN SPECIAL WARRANTY DEED, EXHIBIT A, RECEPTION #899285,10/30/17. 5. SITE ADDRESS: 1475 COUNTY ROAD 129, GLENWOOD SPRINGS, CO 81623 6. Parcel Number: 2185-021-00-008 7. GARFIELD COUNTY PERMIT it: ISSUED 8. CONTRACTOR: _WAYNE TREADWELL, NO NAME CUSTOM CARPENTRY PH 970 379 2267 OWTS SYSTEM NOTES 1. ALL MATERIALS AND INSTALLATION SHALL CONFORM TO STATE AND COUNTY ONSITE WASTEWATER TREATMENT SYSTEM (OWTS) REGULATIONS. 2. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO CONTACT ALL UTILITY COMPANIES FOR FIELD LOCATIONS OF UTILITIES PRIOR TO CONSTRUCTION AND EXCAVATION. 3. ALL SEWER LINES TO BE SDR -35 BEDDED IN CLASS 6, SDR -26 BEDDED IN SCREENED NATIVE OR SCHEDULE 40 P.V.C. PIPE BEDDED IN SCREENED NATIVE MATERIAL UNLESS NOTED OTHERWISE. 4. INSTALL A TWO-WAY CLAN OUT ON THE SERVICE LINE FROM THE HOUSE. 5. THE CONTRACTOR SHALL ENSURE ALL SEWER LINES AND SEPTIC TANKS ARE WATERTIGHT. ANY POTENTIAL PLUMBING LEAKS SHALL BE REPAIRED TO AVOID EXCESSIVE WATER ENTERING THE SEPTIC SYSTEM. 6. THE SEPTIC TANK SHALL BE INSTALLED LEVEL ON COMPACTED EARTH. INSTALL WATERTIGHT RISERS AS NECESSARY TO BRING ALL REQUIRED ACCESS POINTS TO THE FINISHED SURFACE GRADE. 7. A SANITARY BAFFLE TEE IS REQUIRED ON THE SEPTIC TANK INLET AND OUTLET. INSTALL THE INLET AND OUTLET TEES PLUMB AND IN A POSITION TO ALLOW EASY INSPECTION AND MAINTENANCE OF TANK FROM THE TANK RISERS. 8. AN EFFLUENT FILTER IS REQUIRED. INSTALL A 4" EFFLUENT FILTER WITH THE TANK OUTLET SANITARY TEE OF THE SEPTIC TANK OR APPROPRIATE FILTER SYSTEM WITH A DISCHARGE PUMP ASSEMBLY. THE GRAVITY OR PUMP SYSTEM FILTER SHOULD BE INSPECTED EVERY SIX MONTHS. THE EFFLUENT FILTER SHALL BE MAINTAINED AND CLEANED WHEN THE TANK IS PERIODICALLY PUMPED OR AS NECESSARY. INSTALL A SUITABLE EXTENSION ON THE FILTER WITH A HANDLE TO BE WITHIN 6" BELOW THE ACCESS LID. 9. THE TREATMENT BED MUST BE MARKED AND PROTECTED 70 PREVENT DAMAGE FROM VEHICULAR AND LIVESTOCK TRAFFIC. 10. THE ENTIRE TREATMENT BED SURFACE MUST BE SODDED OR RE -VEGETATED WITH GROUND COVER. 11. THE TREATMENT BED SURFACE MUST BE CROWNED TO DIVERT SURFACE DRAINAGE AWAY FROM THE BED. 12. THE DIMENSIONS SHOWN ON THE PAN INDICATE MINIMUM AREA AND SEPARATION DISTANCES FOR THE O WS COMPONENTS. 13. THE BED SHALL BE LEVEL WITH DISTRIBUTION PIPES INSTALLED FOR EQUAL PRESSURE DISTRIBUTION. 14. THE BED SHALL BE OVER EXCAVATED TO ALLOW PACEMENT OF THE SPECIFIED SAND FILTER TREATMENT MEDIA LAYER. THE BOTTOM SURFACE AND SIDEWALLS OF THE TRENCH TO BE SCARIFIED AND RAKED AS NECESSARY PRIOR TO PLACEMENT OF THE LEVELING SAND. 15. THE TREATMENT BED SHALL BE CONSTRUCTED WITH CHAMBER UNITS PACED OVER THE SPECIFIED SAND LAYER FOR USE AS SPRAY SHEILDS. THE CHAMBERS, SAND AND DISTRIBUTION PIPES SHALL BE COVERED WITH FILTER FABRIC TO THE SIDES OF THE EXCAVATION. 16. THE MINIMUM COVER OVER THE TOP OF THE CHAMBER SPRAY SHIELD UNITS SHALL BE 12 INCHES NOT TO EXCEED 18". 17. THE BED CHAMBERS WILL BE BACKFILLED TO THE SURFACE WITH EXCAVATED MATERIAL VOID OF ROCKS. THE BACKFILL MATERIAL SHALL NOT EXCEED 3" DIAMETER. A MINIMUM 4" DEPTH OF TOPSOIL IS TO BE PLACED ABOVE. THE BACKFILL TO THE FINISH SURFACE GRADE. 18. BALL VALVES (SIZE PER PLAN) SHALL BE INSTALLED ON THE TERMINAL ENDS OF THE PERFORATED DISTRIBUTION PIPE JUST BELOW THE 4" INSPECTION PORTS. 19. ALL INSTALLATION OF THE CHAMBER UNITS SHALL BE IN CONFORMANCE WITH THE MANUFACTURES INSTALLATION INSTRUCTIONS. THE ABSORPTION FIELD SHALL BE INSTALLED PER THE REQUIRED SETBACK DISTANCES: SO feet from any property line. 25 feet from any potable water supply line. 20 feet from any occupied dwelling. 100 feet from any well, spring or cistern. 25 feet from drainage swale or ditches DISTRIBUTION SYSTEM NOTES: 1. EFFLUENT FROM THE SECONDARY SEPTIC TANK COMPARTMENT WILL FLOW TO THE DETACHED DOSING PUMP VAULT THAT HAS A BIO TUBE DOSING BASIN WITH A SIMPLEX HIGH HAD EFFLUENT PUMP ASSEMBLY. EFFLUENT WILL BE EQUALLY DISTRIBUTED TO THE TREATMENT BED VIA THE SPECIFIED INDIVIDUAL TRANSPORT LINE TO THE PRESSURE MANIFOLD AT THE HAD OF THE BEDS. (SEE PLAN CALLOUTS NOTES) 2. THE SPECIFIED CUSTOM PERFORATED PRESSURE DISTRIBUTION LATERALS WILL BE INSTALLED BELOW THE CENTER OF THE SPRAY SHIELD CHAMBER ROWS ON THE SAND LAYER SURFACE. THE DISTRIBUTION PIPES WILL HAVE 3/16" ORIFICES DRILLED AS SPECIFIED AT EQUAL INCREMENTS ALONG THE PIPE. (SEE PAN CALLOUTS) 3. THE DISTRIBUTION SYSTEM SHALL DISTRIBUTE FLOW EVENLY ACROSS THE INTERMITTENT SAND FILTER BED. THE MINIMUM SLOPE OF THE TRANSPORT PIPE FROM THE DOSING TANK TO 7HE PRESSURE MANIFOLD SHALL SHALL BE A MINIMUM 2.0% TO ALLOW FOR DRAIN BACK. ALL DISTRIBUTION PIPING, CONNECTIONS AND FITTINGS SHALL BE WATERTIGHT AND INSTALLED TO INSURE EQUAL DISTRIBUTION THROUGH THE SYSTEM. ELECTRICAL NOTES 1. AN ORENCO SYSTEMS CONTROL PANEL SHALL BE INSTALLED BYAQ UALIFIED INSTALLER IN COORDINATION WITH THE ELECTRICIAN. WE RECOMMEND 110 VOLT ELECTRIC SERVICE BE PROVIDED TO THE PUMP. THE POWER SUPPLY FOR THE PUMPS AND CONTROLS SHALL CONSIST OF (1) 20 AMP DOUBLE POLE CIRCUITS FOR THE PUMP AND 10 AMP SINGLE POLE CIRCUITS FOR CONTROLS. PANELS TO BE INSTALLED IN LINE OF SITE WITH TANK AND OR PUMP BASINS. 2. THE CONTRACTOR SHALL INSTALL ELECTRICAL SUPPLY WIRE IN CONDUIT FROM THE SERVICE PANEL TO THE WALL MOUNTED CONTROL PANEL. 3. THE SYSTEM QUALIFIED INSTALLER SHALL INSTALL ELECTRICAL DIRECT BURY WIRES OR WIRES IN CONDUIT FROM THE CONTROL PANELS) TO THE DISCHARGE PUMP ASSEMBLY'S JUNCDON BOX ON THE RESPECTIVE RISERS OVER THE TANK OR BASINS. INSTALL CODED WIRES PER CONTROL PANEL DIAGRAM. INSTALL ALL WIRES FOR PUMP AND CONTROLS WITH CONDUIT SEAL NEAR SPLICE BOX. ELECTRICIAN TO COORDINATE IN/ SYSTEM INSTALLER. INSTALLATION CONSULTATION BY VALLEY PRECAST, INC. TESTING, INSPECTIONS AND CONSTRUCTION MANAGEMENT 1. ADDITIONAL INSPECTIONS AND RECOMMENDATION WILL BE MADE BY THE ENGINEER DURING CONSTRUCTION TO APPROVE THE LAYOUT OF THE TREATMENT FIELD SYSTEM, VERIFY INSTALLATION OF SPECIFIED MATERIALS AND OWTS COMPONENTS. 2. PRIOR TO CONSTRUCTION OF THE PERMITTED SYSTEM THE ENGINEER SHOULD BE CONTACTED BY THE PROJECT MANAGER/CONTRACTOR WELL IN ADVANCE TO PROVIDE ADEQUATE TIME TO DISCUSS THE SYSTEM COMPONENTS WITH THE CONTRACTOR, ANSWER QUESTIONS, RESOLVE ANY CONFLICT ISSUES AND SCHEDULE INSPECTION S1TE VISITS BASED ON CONSTRUCTION PROGRESS. A PRE-OWS CONSTRUCTION MEETING WITH THE ENGINEER, THE CONTRACTOR, ELECTRICIAN AND THE QUALIFIED INSTALLER IS REQUIRED PRIOR TO INSTALLATION OF THE OWTS COMPONENTS. 3. REGULATIONS REQUIRE THAT THE DESIGN ENGINEER OF RECORD PERFORM SITE INSPECTIONS OF THE PERMITTED SYSTEM DURING CONSTRUCTION AND PROVIDE "AS -BUILT' DOCUMENTATION OF THE INSTALLED SYSTEM TO THE THE COUNTY AFTER CONSTRUCTION IS COMPLETE. WE RECOMMEND THAT INSTALLED OWS COMPONENTS BE SURVEYED TO OBTAIN REQUIRED AS -BUILT INFORMATION. 4. CONTRACTOR SHOULD DISCUSS ISSUES REGARDING SPECIFICATIONS, INSTALLATION AND OPERATION OF OWTS MECHANICAL SYSTEMS AND CONTROLS WITH THE SUPPLIER/INSTALLER AND/OR THE ENGINEER. 5. OUR DESIGN AND RECOMMENDATIONS ARE BASED UPON OUR EVALUATION OF THE EXISTING AND PROPOSED SITE CONDITIONS AND INFORMATION SUPPLIED TO US BY OTHERS. IF SITE CONDITIONS ARE FOUND TO BE DIFFERENT FROM CONDITIONS ASSUMED OR INDICATED, WE SHOULD BE NOTIFIED TO EVALUATE ANY EFFECT ON THE PROPOSED OWTS. Know what's below. Call before you dig. CALL 2 -BUSINESS DAYS IN ADVANCE BEFORE YW DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER U11U71E5 ASSESSOR PARCEL 2185021-00-008A S OPRIS E NGINEERING, LLC. CIVIL CONSULTANTS 502 MAIN STREET CARBONDALE, CO 81623 (970) 769-0311 FAX: (970)-709-0313 DESIGNED BY1 PERI 02-07-19 DRAWN BY PER 02/19/19 CHECKED BY PER 03/07/19 DATE: 2019-03-07 JOB NO. 19033.01 HELFFENSTEIN PROPERTY 0 0 V '^Z EE a. V J 0 0 0 Z J C� N rA�r' 5 Y Ncr N 0 0 LL 0_ OWTS CONSTRUCTION PERMIT APPLICATION DATE REVISION 00/00/00 XXX TITLE OV TS DESIGN CONSTRUCTION PLAN DRAWING NO. C-1.0 Item # 1060 Gallon Two Compartment IM 1060-2CP Infiltrator® Poly Tank 1r- Top �°/{t ���:. i� ir� 1 1 , r �� y'r `�F��J"�si�° View Midi ,'., - �� o rAxx roe _ "Air I� II@.T.-i.-t,..,. :r cuP C.%. a � 1 o i , I!l ,:i nti AuE 7)iw.mR r II g=GOMM . Seam 'ri Mid-Height Section arACCEOaaPeaw Section �� ©� = -- ■ . 10 View i 19" Tank Includes 5€15 54.7" 4r w xmE 1 v I`r+ Ir� wr 5.7 EXTERIOR G iv: t wiU CSA and IAPMo StandardsPVCr'seafely screen owilable with PVC riser 1f KALI 1:01.1triiiiillI�+I11IR�n1111111 Maximum burial depth is 48" Minumum INTRA S burial de th is 6'STRAP- �-•-,- "� t Tank is not rated fa vehicular traffic loading (IYRdL) Exterior of manhole cover ei dee the following End ming: 'DANGER DO NOT ENTER: PgSON GASES' View Digging Specs Invert Dimensions Net Weight Capacity 12' Long x 7' Wide Inlet Outlet Length Width Height INFILTRATOR' septic 47" 44' 127' 62.2- 54.7" 1094 gal 320 lbs IflaCRr" Waller 8 29006 Ca Rd 317 walabwater 019) 38587N P.O. BoX925 • SYsterns IodlldFat (119)3953727 BtlenaMala,0081211 NI/Or/VALLEY •products O PRECAST, inc. • service Web,: www.velleype(asiwin 6" MIN. 4" 4° f_ N.TS. ORAGGR ARDS AVEDSURFACEFACE EXCAVATED MATERIALCOMPACTED TO 90%STANDARD PROCTOR SUITABLE BACKFILL OR CLASS 6 ROAD BASE (IN FEET) 1 inch = 20 ft. 7 =11=14= -II=11=1=F-IT-11-11- . I II=11=11=1=, - , F= - If=II. Liquid Level _ UNDISTURBED EARTH SCREENED BACKFILL NATIVE SOIL CROWN FIELD TRENCH TO DIVERT SURFACE WATER DOSING GRADE TOPSOIL Pump Basin Assembly See EDW -TD -17 CONNECT TRANSPORT LINE T01.25" PRESSURE MANIFOLD. TRANSPORT PIPE INVERT MIN. 2" HIGHER THAN INVERT OF MANIFOLD TEE CONNECTION. USE 45°OR 22.5° FITTINGS. / " 1.25" SCHD-40 PVC PRESSURE MANIFOLD W/ INDIVIDUAL 1.25" TEES OR ELBOWS TO 1.25" CUSTOM PERFORATED DISTRIBUTION PIPE / CHAMBER END CAP SEED AND MULCH FINISH SURFACE MAINTAIN SUITABLE VEGETATIVE COVER 1.25" SCHD-40 PVC DISTRIBUTION 1‘.1ANIPr) O I 12" -_ 8" MIN. MAX. 24" // QUICK -4 INFILTRATOR / OR EQUAL BIO DIFFUSER SPRAY SHIELDS PRESSURE DISTRIBUTION / PIPE CONNECTED THROUGH END CAP TO CUSTOM PERFORATED DISTRIBUTION LATERAL PIPE SCARIFY/TILL BOTTOM SURFACE AND EXCAVATION SIDE WALLS SC{t)Rt PLPE wirf PUSH :steles 36" i - LCS E PERFORATED PRESSURE PIPE WITI'' ORIFICE C AT 17 O'CLOCK INTE 0.25- 61 MN WITH UNIFORM. COEF T SAND FILTER LAYER EFFECTIVE < 01 SIZE USE >7/';,> j1 ;/ \/\/„i\/j�/ V \</ WASHED CONCRETE SAND -ASTM -33 (PRIMARY) �}y((/� /�\ /� /�\/\ /\ ,;\ \/ \\/ \ \/ \ \:/\.\\C �\ \ ( MACHINE COMPACT AND LEVEL TOP SURFACE 12' -MIN. NOTE: THE INTERMITTENT SAND FILTER BED MUST BE LEVEL. INSTALL CHAMBERS WITH INLET AND END CAPS OVER SAND LAYER FOR USE AS SPRAY SHEILDS. INSTALL INDIVIDUAL DISTRIBUTION LATERALS TO THE HAD OF EACH CHAMBER ROW FROM A MAINIFOLD CONNECTING EACH CHAMBER ROW. CUSTOM PERFORATED PIPE TO BE LAID ON TOP OF THE SAND LAYER WITH ORIFICES ORIENTED UPWARD EXCEPT THE FIRST AND LAST ORIFICES TO BE ORIENTED DOWNWARD. INSTALL A 4" VERTICAL INSPECTION RISER FROM THE MOLDED CUT OUT ON THE LAST CHAMBER IN EACH ROW. INSTALL A BALL VALVE AT THE END OF THE DISTRIBUTION LINE ACCESSIBLE FROM THE INSPECTION PORT TO ALLOW FLUSHING OF THE LINE. THE VALVE IS CLOSED FOR NORMAL OPERATION. NATIVE GRAVELLY SANDY LOAM SOIL WITH COBBLES AND BOULDERS PRF„SSURE DO,S'FD INTFRMITTFNT SAND FILTER SYSTEM WITH CHAMBER SPRAY SHEILDS VICINITY MAP NO NAME gi Nzo SUBJECT PARCEL E CHL TIT A, LEGAL DESCRIPTION: NO NAME I-)0 REST AREA That part of Lot 2, Section 2, Tp 65., R. 89W., 6th P.M. described as follows: Beginning at the SW comer of said Lot 2; thence 5 88°27' E 207.5' along the South line of said Lot 2 to a point on the West line of a deeded lane; thence N 14°13'E 153.18' along said West line; thence N 88°27' W 242.74' to a point on the West line of said Lot 2; thence S 00°55' W 149.46' along said line to point of beginning. Pump SeMclon foraPm=L SYnem. "Pe ee eR.wu.'" wq.a nan CR 1.29 Helaanstein 'Pres to`,.=“ne 0 Se Ofl SO uae n< ov: Mmenun Rums ldwuoenens �wTrwnRM.B anw"Km.au !M EMIL •11�1 q ■111111■ \11111111 .n Net DiccN9e IgPal Design Calculations OWTS Installation of an OWLS with a minimum 3 -bedroom capacity. From the State Regulation 43: Minimum population based on 3 bedrooms = 6 persons. Gallons per day per person =75 gal/person/day, No peaking factor Max. Design flow (Qd)gallons/day = (It of people) x (avg. flow)gaVperson/day. Design flow Qd = 6`75=450 gpd Septic Tank Design: Use a 1000 gallon, two compartment reinforced plastic septic tank and a detached 30 -inch diameter ribbed PVC riser pump basin assembly with bio -tube high head pump dosing assembly installed in series with the septic tank. Sub Surface Conditions and Testing: Subsurface soil investigations and USDA soil texture method tests were performed by Sopris Engineering. The soils in the area of the proposed absorption field were sampled and characterized by application of the USDA soil texture method test. The soils were tested to determine the native soils hydraulic loading rate and to analyze soil/rock content for installation of an intermittent sand filter treatment system. The soils below 3 to 8 inches of topsoil consist of medium dense gravelly sandy loam material to 1.5 to 5 feet below the surface with 25% rock content and scattered boulders . No limiting soil conditions were encountered. The soil appears to be consistent across the site. The native soils sampled from 2-3 feet below the surface are characterized as a soil type 2 consisting of sandy loam texture with moderate granular structure. This soil has an effective loading rate for conventional soil treatment of 0.6 GaVS.F./day for a level 1 conventional treatment system. Due to limited area and to provide optimal treatment an intermittent sand filter is recommended to provide for level 3 treatment. No free water was encountered in excavations on site. Groundwater levels are expected to be below 30 feet from the existing surface grades. The sand filter treatment bed system that will be fully pressure dosed. performed during construction to vers the sails in the proposed field An additional soil evaluation will be pe g ty p p excavation. Intermittent Sand Filter Treatment Unit/Absorption System Design: The treatment/absorption field is designed based on utilizing the effective Long Term Acceptancetance Rate LTAR for an intermittent sand filter treatment system utilizing pressure dosed distribution laterals and gravelless chamber units as spray shields providing level 3 treatment prior to infiltration into the native soils. The new treatment system will consist of a fully pressure dosed sand filter -Treatment bed System with a 36 -inch layer of filter sand (ASTM -33, "washed Concrete sand"). Long Term Acceptance Rate (LTAR) Considering the application of the new state regulation 43: Receiving Wastewater Treatment Level 1; loading rate for sand filter is (1.0 gal./S.F./day) for the minimum 36" depth of primary treatment media; Loading factors; (Table 10-2, pressure dosed application bed = 1.0 ) A(sf) = Qd .: A = Area; LTAR LTAR = 1.0 Gal/S.F./day for ASTM -33, " washed Concrete sand" Qd = flow (gal/day) = 450 gpd L.F.1=1.0 pressure dosing A(sf) = 450 gpd x 1.0 = 450 S.F. 1.0 Ga1/S.F./day Install two 19' by 12' sand filter beds. Excavate the bed to a maximum 4.5 depth below finish grade. Scarify surface and backfill with 36 -inches of ASTM -33, "Washed Concrete sand" Typical for each bed, install 3 runs of custom perforated distribution laterals on top of sand layer and cover with 36 Quick -4 chambers in 3rows with 4 chamber units per row for use as pressure dose spray shields, as delineated on the plan. The beds will be dosed from the simplex high head distribution pump system installed in the dosing pump basin. GENERAL NOTES: 1. THE OWTS AS SHOWN ON THE PLAN AND THE DETAILS WERE DESIGNED BY SOPRIS ENGINEERING. 2. THE PROPOSED LOT CONDITIONS AND SURVEY INFORMATION BASED ON DEED AND AERIAL MAPPING BY SOPRIS ENGINEERING. ADDI710NAL SURVEY INFORMA710N PENDING 3. PRIMARY OWNER NAME AND ADDRESS: HELFFENSTEIN, DENNIS A. & DIANA M. 18425 SUNBURST DRIVE MONUMENT, COLORADO 80132 4. Legal Summary Quarter, SECTION: 2 TOWNSHIP: 6 RANGE: 89 SUBDIVISION: M RB TRACT IN LOT: 2 LO ACRES, AS RECORDED IN SPECIAL WARRANTY DEED, EXHIBIT A, RECEPTION #899285,10/30/17. 5. SITE ADDRESS: 1475 COUNTY ROAD 129, GLENWOOD SPRINGS, CO 81623 6. Parcel Number: 2185-021-00-008 7. GARFIELD COUNTY PERMIT it: ISSUED 8. CONTRACTOR: _WAYNE TREADWELL, NO NAME CUSTOM CARPENTRY PH 970 379 2267 OWTS SYSTEM NOTES 1. ALL MATERIALS AND INSTALLATION SHALL CONFORM TO STATE AND COUNTY ONSITE WASTEWATER TREATMENT SYSTEM (OWTS) REGULATIONS. 2. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO CONTACT ALL UTILITY COMPANIES FOR FIELD LOCATIONS OF UTILITIES PRIOR TO CONSTRUCTION AND EXCAVATION. 3. ALL SEWER LINES TO BE SDR -35 BEDDED IN CLASS 6, SDR -26 BEDDED IN SCREENED NATIVE OR SCHEDULE 40 P.V.C. PIPE BEDDED IN SCREENED NATIVE MATERIAL UNLESS NOTED OTHERWISE. 4. INSTALL A TWO-WAY CLAN OUT ON THE SERVICE LINE FROM THE HOUSE. 5. THE CONTRACTOR SHALL ENSURE ALL SEWER LINES AND SEPTIC TANKS ARE WATERTIGHT. ANY POTENTIAL PLUMBING LEAKS SHALL BE REPAIRED TO AVOID EXCESSIVE WATER ENTERING THE SEPTIC SYSTEM. 6. THE SEPTIC TANK SHALL BE INSTALLED LEVEL ON COMPACTED EARTH. INSTALL WATERTIGHT RISERS AS NECESSARY TO BRING ALL REQUIRED ACCESS POINTS TO THE FINISHED SURFACE GRADE. 7. A SANITARY BAFFLE TEE IS REQUIRED ON THE SEPTIC TANK INLET AND OUTLET. INSTALL THE INLET AND OUTLET TEES PLUMB AND IN A POSITION TO ALLOW EASY INSPECTION AND MAINTENANCE OF TANK FROM THE TANK RISERS. 8. AN EFFLUENT FILTER IS REQUIRED. INSTALL A 4" EFFLUENT FILTER WITH THE TANK OUTLET SANITARY TEE OF THE SEPTIC TANK OR APPROPRIATE FILTER SYSTEM WITH A DISCHARGE PUMP ASSEMBLY. THE GRAVITY OR PUMP SYSTEM FILTER SHOULD BE INSPECTED EVERY SIX MONTHS. THE EFFLUENT FILTER SHALL BE MAINTAINED AND CLEANED WHEN THE TANK IS PERIODICALLY PUMPED OR AS NECESSARY. INSTALL A SUITABLE EXTENSION ON THE FILTER WITH A HANDLE TO BE WITHIN 6" BELOW THE ACCESS LID. 9. THE TREATMENT BED MUST BE MARKED AND PROTECTED 70 PREVENT DAMAGE FROM VEHICULAR AND LIVESTOCK TRAFFIC. 10. THE ENTIRE TREATMENT BED SURFACE MUST BE SODDED OR RE -VEGETATED WITH GROUND COVER. 11. THE TREATMENT BED SURFACE MUST BE CROWNED TO DIVERT SURFACE DRAINAGE AWAY FROM THE BED. 12. THE DIMENSIONS SHOWN ON THE PAN INDICATE MINIMUM AREA AND SEPARATION DISTANCES FOR THE O WS COMPONENTS. 13. THE BED SHALL BE LEVEL WITH DISTRIBUTION PIPES INSTALLED FOR EQUAL PRESSURE DISTRIBUTION. 14. THE BED SHALL BE OVER EXCAVATED TO ALLOW PACEMENT OF THE SPECIFIED SAND FILTER TREATMENT MEDIA LAYER. THE BOTTOM SURFACE AND SIDEWALLS OF THE TRENCH TO BE SCARIFIED AND RAKED AS NECESSARY PRIOR TO PLACEMENT OF THE LEVELING SAND. 15. THE TREATMENT BED SHALL BE CONSTRUCTED WITH CHAMBER UNITS PACED OVER THE SPECIFIED SAND LAYER FOR USE AS SPRAY SHEILDS. THE CHAMBERS, SAND AND DISTRIBUTION PIPES SHALL BE COVERED WITH FILTER FABRIC TO THE SIDES OF THE EXCAVATION. 16. THE MINIMUM COVER OVER THE TOP OF THE CHAMBER SPRAY SHIELD UNITS SHALL BE 12 INCHES NOT TO EXCEED 18". 17. THE BED CHAMBERS WILL BE BACKFILLED TO THE SURFACE WITH EXCAVATED MATERIAL VOID OF ROCKS. THE BACKFILL MATERIAL SHALL NOT EXCEED 3" DIAMETER. A MINIMUM 4" DEPTH OF TOPSOIL IS TO BE PLACED ABOVE. THE BACKFILL TO THE FINISH SURFACE GRADE. 18. BALL VALVES (SIZE PER PLAN) SHALL BE INSTALLED ON THE TERMINAL ENDS OF THE PERFORATED DISTRIBUTION PIPE JUST BELOW THE 4" INSPECTION PORTS. 19. ALL INSTALLATION OF THE CHAMBER UNITS SHALL BE IN CONFORMANCE WITH THE MANUFACTURES INSTALLATION INSTRUCTIONS. THE ABSORPTION FIELD SHALL BE INSTALLED PER THE REQUIRED SETBACK DISTANCES: SO feet from any property line. 25 feet from any potable water supply line. 20 feet from any occupied dwelling. 100 feet from any well, spring or cistern. 25 feet from drainage swale or ditches DISTRIBUTION SYSTEM NOTES: 1. EFFLUENT FROM THE SECONDARY SEPTIC TANK COMPARTMENT WILL FLOW TO THE DETACHED DOSING PUMP VAULT THAT HAS A BIO TUBE DOSING BASIN WITH A SIMPLEX HIGH HAD EFFLUENT PUMP ASSEMBLY. EFFLUENT WILL BE EQUALLY DISTRIBUTED TO THE TREATMENT BED VIA THE SPECIFIED INDIVIDUAL TRANSPORT LINE TO THE PRESSURE MANIFOLD AT THE HAD OF THE BEDS. (SEE PLAN CALLOUTS NOTES) 2. THE SPECIFIED CUSTOM PERFORATED PRESSURE DISTRIBUTION LATERALS WILL BE INSTALLED BELOW THE CENTER OF THE SPRAY SHIELD CHAMBER ROWS ON THE SAND LAYER SURFACE. THE DISTRIBUTION PIPES WILL HAVE 3/16" ORIFICES DRILLED AS SPECIFIED AT EQUAL INCREMENTS ALONG THE PIPE. (SEE PAN CALLOUTS) 3. THE DISTRIBUTION SYSTEM SHALL DISTRIBUTE FLOW EVENLY ACROSS THE INTERMITTENT SAND FILTER BED. THE MINIMUM SLOPE OF THE TRANSPORT PIPE FROM THE DOSING TANK TO 7HE PRESSURE MANIFOLD SHALL SHALL BE A MINIMUM 2.0% TO ALLOW FOR DRAIN BACK. ALL DISTRIBUTION PIPING, CONNECTIONS AND FITTINGS SHALL BE WATERTIGHT AND INSTALLED TO INSURE EQUAL DISTRIBUTION THROUGH THE SYSTEM. ELECTRICAL NOTES 1. AN ORENCO SYSTEMS CONTROL PANEL SHALL BE INSTALLED BYAQ UALIFIED INSTALLER IN COORDINATION WITH THE ELECTRICIAN. WE RECOMMEND 110 VOLT ELECTRIC SERVICE BE PROVIDED TO THE PUMP. THE POWER SUPPLY FOR THE PUMPS AND CONTROLS SHALL CONSIST OF (1) 20 AMP DOUBLE POLE CIRCUITS FOR THE PUMP AND 10 AMP SINGLE POLE CIRCUITS FOR CONTROLS. PANELS TO BE INSTALLED IN LINE OF SITE WITH TANK AND OR PUMP BASINS. 2. THE CONTRACTOR SHALL INSTALL ELECTRICAL SUPPLY WIRE IN CONDUIT FROM THE SERVICE PANEL TO THE WALL MOUNTED CONTROL PANEL. 3. THE SYSTEM QUALIFIED INSTALLER SHALL INSTALL ELECTRICAL DIRECT BURY WIRES OR WIRES IN CONDUIT FROM THE CONTROL PANELS) TO THE DISCHARGE PUMP ASSEMBLY'S JUNCDON BOX ON THE RESPECTIVE RISERS OVER THE TANK OR BASINS. INSTALL CODED WIRES PER CONTROL PANEL DIAGRAM. INSTALL ALL WIRES FOR PUMP AND CONTROLS WITH CONDUIT SEAL NEAR SPLICE BOX. ELECTRICIAN TO COORDINATE IN/ SYSTEM INSTALLER. INSTALLATION CONSULTATION BY VALLEY PRECAST, INC. TESTING, INSPECTIONS AND CONSTRUCTION MANAGEMENT 1. ADDITIONAL INSPECTIONS AND RECOMMENDATION WILL BE MADE BY THE ENGINEER DURING CONSTRUCTION TO APPROVE THE LAYOUT OF THE TREATMENT FIELD SYSTEM, VERIFY INSTALLATION OF SPECIFIED MATERIALS AND OWTS COMPONENTS. 2. PRIOR TO CONSTRUCTION OF THE PERMITTED SYSTEM THE ENGINEER SHOULD BE CONTACTED BY THE PROJECT MANAGER/CONTRACTOR WELL IN ADVANCE TO PROVIDE ADEQUATE TIME TO DISCUSS THE SYSTEM COMPONENTS WITH THE CONTRACTOR, ANSWER QUESTIONS, RESOLVE ANY CONFLICT ISSUES AND SCHEDULE INSPECTION S1TE VISITS BASED ON CONSTRUCTION PROGRESS. A PRE-OWS CONSTRUCTION MEETING WITH THE ENGINEER, THE CONTRACTOR, ELECTRICIAN AND THE QUALIFIED INSTALLER IS REQUIRED PRIOR TO INSTALLATION OF THE OWTS COMPONENTS. 3. REGULATIONS REQUIRE THAT THE DESIGN ENGINEER OF RECORD PERFORM SITE INSPECTIONS OF THE PERMITTED SYSTEM DURING CONSTRUCTION AND PROVIDE "AS -BUILT' DOCUMENTATION OF THE INSTALLED SYSTEM TO THE THE COUNTY AFTER CONSTRUCTION IS COMPLETE. WE RECOMMEND THAT INSTALLED OWS COMPONENTS BE SURVEYED TO OBTAIN REQUIRED AS -BUILT INFORMATION. 4. CONTRACTOR SHOULD DISCUSS ISSUES REGARDING SPECIFICATIONS, INSTALLATION AND OPERATION OF OWTS MECHANICAL SYSTEMS AND CONTROLS WITH THE SUPPLIER/INSTALLER AND/OR THE ENGINEER. 5. OUR DESIGN AND RECOMMENDATIONS ARE BASED UPON OUR EVALUATION OF THE EXISTING AND PROPOSED SITE CONDITIONS AND INFORMATION SUPPLIED TO US BY OTHERS. IF SITE CONDITIONS ARE FOUND TO BE DIFFERENT FROM CONDITIONS ASSUMED OR INDICATED, WE SHOULD BE NOTIFIED TO EVALUATE ANY EFFECT ON THE PROPOSED OWTS. Know what's below. Call before you dig. CALL 2 -BUSINESS DAYS IN ADVANCE BEFORE YW DIG, GRADE, OR EXCAVATE FOR THE MARKING OF UNDERGROUND MEMBER U11U71E5 ASSESSOR PARCEL 2185021-00-008A S OPRIS E NGINEERING, LLC. CIVIL CONSULTANTS 502 MAIN STREET CARBONDALE, CO 81623 (970) 769-0311 FAX: (970)-709-0313 DESIGNED BY1 PERI 02-07-19 DRAWN BY PER 02/19/19 CHECKED BY PER 03/07/19 DATE: 2019-03-07 JOB NO. 19033.01 HELFFENSTEIN PROPERTY 0 0 V '^Z EE a. V J 0 0 0 Z J C� N rA�r' 5 Y Ncr N 0 0 LL 0_ OWTS CONSTRUCTION PERMIT APPLICATION DATE REVISION 00/00/00 XXX TITLE OV TS DESIGN CONSTRUCTION PLAN DRAWING NO. C-1.0