HomeMy WebLinkAbout17.1_SEPTIC & PUMP TANK DETAILSSCALE: N.T.S.7LIQUID LEVEL(MAX DEPTH= 80% OF TOTALDEPTH)SURFACE ELEV.2" RIGID INSULATIONAPPROVED FOR BURY,AS NECESSARYINV. OUT ELEV.4" DIA. SCH. 40 PVC PIPING W/ 4"TEE INSIDE OF TANK. OUTLET TODOSE TANK AS REQ'D PERPROJECT PLANS.BOTTOM ELEV.RISER 1INV. IN ELEV.4" DIA. SDR 26 PVC INLETPIPING.6" OF 34 MINUS CRUSHED GRAVELCOMPACTED TO 95% OF MAX.PROCTOR DENSITY. BASE COURSESHALL BE FLAT AND ON LEVEL PLANESURFACE PRIOR TO PLACEMENT OFTANK.TYPICAL SEPTIC TANK DETAIL (NON-TRAFFIC RATED)SCALE: N.T.S.ON-SITE WASTEWATER SYSTEM SCHEDULESEPTIC LOT 11,500TRAFFICRATEDSIZE(GAL.)NMFGRSURFACE ELEV.*INVERT INELEV. (FT)INVERT OUTELEV. (FT)PUMP(S) SCHEDULEGPMTDH (FT)MODELNO./TYPETHREE FORKS PRECASTTANKDOSE (GAL)PUMP FLOATS (FROM BOTTOM)(c)LWA/REDUNDANTPUMP OFFPUMP ONHWA/REDUNDANT*FIELDVERIFYLOT #1 & 2MANUFACTURER E-ONETYPE/MODEL #SINGLECOMPARTMENTSEPTIC TANK NOTES:1.CONTRACTOR TO INSTALL DISCHARGE PIPING ABOVE THE BOTTOM OF THE TANK AND RUN THE PIPE THROUGH THE RISER.CONTRACTOR TO INSTALL DISCHARGE PIPING DIRECTLY ALONG SIDE OF (OUTSIDE) TANK TO A DEPTH OF 6' AND INSTALLTRANSPORT LINES W/ 6' MIN. COVER.2.THE SEPTIC TANK TO BE AS MANUFACTURED BY THREE FORK PRECAST OR AN ENGINEER APPROVED EQUAL.3.CONTRACTOR TO PLACE 6" THICK LAYER OF COMPACTED 34" MINUS CRUSHED GRAVEL FOR BEDDING UNDER TANK.4.TANKS SHALL HAVE STANDARD SEPTIC TANK FINISH. ALL FORM TIES, AIR POCKETS, AND OTHER SURFACE DEFECTS SHALLBE REPAIRED AT SITE. ALL SURFACES SHALL BE TRUE, EVEN AND FREE FROM ALL POCKETS, DEPRESSIONS ORPROJECTIONS.5.INLET BLOCK-OUTS SHALL BE CAST-IN PLACE 'A-LOK' GASKETS AND SHALL BE INSTALLED FOR PIPE INSTALLATION FROMTHE EXTERIOR.6.INLET TEES SHALL BE OPEN - TYPICAL.7.TANK(S) SHALL BE SET LEVEL - TYPICAL.8.TANK SHALL NOT BE BACKFILLED WITH STONES IN EXCESS OF 4" DIA. ALL OVERSIZE MATERIAL SHALL BE REMOVED FROMBACK FILL A MIN. OF 1' FROM TANK EDGE.9.INTERNAL PIPING AND FITTINGS TO BE 4" DIAMETER SCH. 40 PVC PIPING, U.N.O..10.CONTRACTOR TO PROVIDE POSITIVE DRAINAGE AWAY FROM ACCESS RISERS AND LIDS.11.DESIGN CRITERIA: CONCRETE: F'C = 4000 PSI AT 28 DAYS, NORMAL WEIGHT, CONSTRUCTION TO BE IN ACCORDANCE WITHACI-318 AND SECTION 03210, 03300 AND 03310 OF THE MONTANA PUBLIC WORKS STANDARD SPECIFICATION, SEVENTHEDITION, APRIL, 2021, AND CITY OF BOZEMAN MODIFICATIONS TO MPWSS. LOCATION OF CONSTRUCTION OR POUR JOINTSMUST BE APPROVED BY THE ENGINEER IF DIFFERENT FROM THOSE SHOWN ON THE DRAWINGS. CONCRETE SHALL HAVE4-6% AIR-ENTRAINMENT FOR DURABILITY. CEMENT SHALL BE TYPE II OR V. CONCRETE SLUMP SHALL BE 2"-4".REINFORCING STEEL: ASTM A615 - GRADE 40 FOR #3. GRADE 60 FOR #4 AND LARGER. PROVIDE CLEAR EMBEDMENT OFREBAR.12.ALL ELEVATIONS ARE TO BE VERIFIED BY THE ENGINEER FOLLOWING FINAL SITE DESIGN AND PRIOR TO COMMENCINGCONSTRUCTION.13.ALL TANKS SHALL BE LEAK TESTED PRIOR TO PLACE TANK INTO SERVICE.PUMP LOT 1N/ANE-ONE4844.054839.494839.24NA0156P014843.454838.7225"17"13"N/ASPD GRINDER PUMP14.3531RISER 1RISER 2LENGTHTYPE3.66'3.17'RISER LENGTHSRISER 2#PUMPS1 EA.ON-SITE WASTEWATER SYSTEM SCHEDULE AND NOTES92-PART EPOXY POUR (TYP.)(SEE SCHEDULES)(SEE SCHEDULES)(SEE SCHEDULES)(SEE SCHEDULES)RIBBED PVCRIBBED PVCOSI MODEL FL2414 WATERTIGHTINSULATED FIBERGLASS COVERRIBBED PVC RISER, EPOXYRISER TO CONC. TANKCONTROL PANEL SCHEDULEMANUFACTURERTYPE/MODEL #E-ONESENTRY PROTECT PLUSNOTES:1.) CONTROL PANEL TO BE MOUNTED ON HOUSE PER ENGINEER/OWNER APPROVAL OF LOCATION WITH: -ELAPSED TIME METER (ETM) -EVENT COUNTER (CT) - AUDIO AND VISUAL ALARMSCALE: N.T.S.8E-ONE EJECTOR PUMP BASINSLOPE GROUND AWAYFROM LIDCONDUIT TO CONTROLPANEL MOUNTED ONENGINEER APPROVEDLOCATIONPVC HOSE/VALVE ASSEMBLYW/ UNIONS & BALL VALVESPLICE BOXDISCHARGE 1.5" DIA.FLEXIBLE HOSE(12" LONG W/ FITTINGS)TEE ONTO DISCHARGE LINEHWA/REDUNDANT ONONOFFSCH. 40, 4" INLET PIPINGW/ 4" SANITARY TEECONCRETE ANTI-FLOATATION BASE,EXTEND 12" BEYOND BASIN WITH ATHICKNESS OF 12"EJECTOR PUMPS (DUPLEXARRANGEMENT) W/ POWER CABLE.INSTALL CHECK VALVE AT PUMPDISCHARGENOTES:1.PUMP SIZING (EACH): TDH = 20' @ 60 GPM. MUST BE CAPABLE OF PASSING UP TO 2 14"DIAMETER SPHERE.2.PROVIDE DUPLEX PUMPS WITH REMOVAL SYSTEM, DUPLEX CONTROL PANEL WITHALTERNATION PUMP STARTERS.3.DISCHARGE PIPING SHALL HAVE A MINIMUM OF 6.5 FEET OF COVER.4.CONTRACTOR TO PLACE 2"x4'x6' LONG PIECE OF RIGID INSULATION (APPROVED FOR BURY)OVER ALL DISCHARGE PIPING NOT MEETING MINIMUM BURY DEPTH.5.START-UP AND TESTING OF THE EJECTOR PUMP TO BE COORDINATED WITH THE ENGINEER.6.TANK WATER TIGHTNESS TO BE TESTED BY MANUFACTURER.7.BASIN BASE TO BEAR ON SUITABLE STONE FREE NATIVE BEARING SOIL OR ON 6" MINIMUMOF 1 12" MATERIAL OVER SUITABLE BEARING SOIL.8.CONTROL SYSTEM SHALL INCLUDE A 4-FLOAT ARRAY, HAND-OFF-AUTO CONTROL, HIGHWATER ALARM AND 2ND PUMP ENABLE. CONTROL SYSTEM SHALL ALARM ON OPERATION OFTHE 2ND PUMP.48" DIA. X 9' PUMP BASINCEDAR CHIPBED4" PVC VENTPERF. PVC LATERALSFOR CEDAR BEDVENTING (SEE PLAN)ALUMINUM LOCKABLE LIDWITH HINGED ACCESS DOOR4838.64SEPTIC LOT 2NTHREE FORKS PRECASTPUMP LOT 2N/ANE-ONE4843.944839.494839.24NA0156P014843.394838.724838.64SINGLECOMPARTMENTN/AAS NOTEDTGSEPTIC & PUMP TANKDETAILSHEC Nov 12, 2025 - 2:32pmCAD FILE: M:\213596\Drawings\_Subdivision Review\2 - SEWER DETAILS.dwg
REVISIONSDATEPROJECT NUMBERHYALITE Engineers, PLLC161 W. Haley Springs RoadBozeman, MT 59715Tel: (406) 587.2781w w w . hyaliteeng. comFax: (406) 522.92252021705 SOUTH BOZEMAN, MT8.7.202521359622x34 ORIGINALS CHURCH AVENUESCALESHEET TITLEDESIGN BYSte. 101MONTANABRETT C.No. 29106 PEMEGAARDPEFORSOILNASREN
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ENEC1.6HEC Nov 12, 2025 - 2:32pmCAD FILE: M:\213596\Drawings\_Subdivision Review\2 - SEWER DETAILS.dwg
REVISIONSDATEPROJECT NUMBERHYALITE Engineers, PLLC161 W. Haley Springs RoadBozeman, MT 59715Tel: (406) 587.2781w w w . hyaliteeng. comFax: (406) 522.92252021705 SOUTH BOZEMAN, MT8.7.202521359622x34 ORIGINALS CHURCH AVENUESCALESHEET TITLEDESIGN BYSte. 101MONTANABRETT C.No. 29106 PEMEGAARDPEFORSOILNASREN
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