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Septic Plan-Gillis-258 Old Wilson. REV2 10.6.21 pdfATTENTIONINSTALLER!!CALLDIGSAFEBEFOREYOUDIG!!MASSACHUSETTSSTATELAWCHAPTER82SECTIONS40-40EREQUIRETHATPREMARKINGOFGAS,ELECTRIC,WATER,TELEPHONEANDCABLET.V.UTILITYLINESBEMADEAMINIMUMOF72HOURSPRIORTOGROUNDBREAKFORANYEXCAVATION.NOTE:INSTALLERMUSTCONTACTENGINEER/BDOFHEALTH48HOURSPRIORTOSUBGRADEINSPECTION.INSTALLERMUSTHAVEALLBREAKOUTFILLONSITEANDINPLACEPRIORTOSIGNOFFBYENGINEERATTIMEOFFINALINSPECTIONORAPPROVALWILLNOTBEGIVENTOBACKFILL.MIN.6"SUMP2"PLACEREBAR&MAGNETICTAPEOVERCOVER.USEPVCTOSURFACEFORINSP.PORT3"OUTLETINLETFIRST2'OFOUTLETPIPESTOBELEVEL-PLACEONSTABLE6"BASEOF3/4"TO1-1/2"D.W.STONE-USECONCRETEBOXWITH2"MINIMUMWALLTHICKNESS.-FILLWITHWATERFORFINALINSPECTION.TYPICALD.BOX(WATERTIGHT)-USE(6OUTLETMINIMUM)d.box(UndergoundSupplyorEquiv.)0'30'60'90'DESIGNNOTESANDCALCULATIONS:1.)4(BEDROOMHOME)=440x150%660+GPD.REQUIRED,-UseTWOTRENCHES:3.'WIDEX75'LONGWITH18"OF34"TO112"DBLWASHEDSTONEBELOWINVERT-BOTTOMAREA:2TRENCHESX(3.'WX75'L)=450SF.-SIDEAREA:2TRENCHESX(1.50.'HTX75'L)X2SIDES=450SF-ENDAREA:2ENDSX1.50'HTX3.'W)X2ENDS=18SF.-TOTALAREA:918SFX.74GAL/SF=679GPD3.GARBAGEDISPOSALALLOWED,****....4.NOOTHERPRIVATEWELLSWITHIN100FEETOFSAS.CITYWATER5.NOOTHERWETLANDSORRESOURCESWITHIN100FEETOFSAS,6.USENEW1,500GAL2CHAMBERSEPTICTANKASNOTED&MAINTAIN0.02PITCHFROMSILLTOS.TANK-INSTALL&INSPECTSCH.40TEES/BAFFLES(10"INLET,14"OUTLET),NOTE:-ALLCOMPONENTSOFNEWSYSTEMMUSTBEMARKEDWITHMAGNETICTAPE.BESURETOMAINTAIN3"CLEARANCEFROMTOPOFTEESTOBOTTOMOFTANKCOVERS&BOXES.7.USELARGESTYLE(6OUTLET)D.BOXONLY.7AALLD.BOXOUTLETPIPESLEVELFORFIRST2'.BOXESMUSTHAVE2"+CONC.WALLSNOTE:-D.BOXESWITHMORETHAN9"OFCOVERSOILMUSTHAVERISERSTO6"OFSURFACE.7BALLPLASTICRISERSMUSTBESECUREDWITHSTAINLESSSTEELSCREWS.8.USEAPPROVED(.75"-11/2")DBL.WASHEDSTONEUNDERTANK&D.BOXFOR6".-CONFIRMSTONEPROPERLYDOUBLEWASHEDPRIORTOPLACEMENT.9.USEPROPERSCH.40PVCTEESASSHOWN.10.PRE&POSTCONTOURSNOTEDASNECESSARY,RESERVEASNOTED.11.SLOPECALCS(SEECONTOURS).SUBGRADEINSP.REQ'D.13.USETRENCHESDUETOTOPOGRAPHYANDSPACEOFLOTWITHRESPECTTOLOCATIONANDELEVATIONOFRESIDENCE(310CMR15.240)14.USE2%MIN.SLOPEOVERSAS-CLEARTOPANDSUBTOseenote(INSPECTIONREQUIRED).-CLEARPASTA&BTOSUBGRADE&SCARIFYUNDERTRENCHPRIORTOTITLEVSAND/STONEPLACEMENT.-EXCAVATEEXISTINGLOAM,SUBANDANYEXISTINGDEBRIS,DIRTYFILLORPRIORSYSTEMIFPRESENT.15.SOILEVALUATIONBYAWEISS,RSANDC.KANIECKIBOHAGENT,(09.21.2021).-DEPTHOFPERC.40&42"-PERCRATE=3&<2MIN/IN,-CLASS1,C1:SANDSOILRATING16.NOTREESWITHIN10FT.OFNEWLEACHAREA.17.ENGINEER&TOWNTOINSPECTSUBGRADE,TOWNANDENGINEERINSPECTATFINAL.18.TBM1a=258.14'(SPIKEIN26"CONIFERBYBDG.,asnoted),CONFIRMPROPERPIPESLOPES-USE/INSPECTSCH.40PIPEFORPIPEFROMHOUSETONEWOREXISTINGTANK19.GRADEMULCHANDSEEDOVERSASASNOTED.20.INSTALLATIONINLOWGROUNDWATERSEASONRECOMMENDED.21.USEOBSERVATIONPORTNEARCENTEROFSTONEBEDHAVE4"PERFORATED,PVCINSPECTIONPORTALSTOBOTTOMOFSTONEBED,WITHRISERTO3"OFSURFACE&THREADEDCAP&MARKWITHRE-BAR..NOTANACTUALSURVEY!!LINESDRAWNFORSEPTICLOCATIONPURPOSESONLY!9'BA2'TRENCHPLANLAYOUTusevent(3',w/scrn.)-USETEEONINLET-RUNPIPESLEVEL2'OUT-PLACEWATERIND.BOXFORFINALINSPECTIONOBS.PORT4"PVCPERFUSETHREADCAP&REBARTIE.D.BOXRESERVEBETWEENTRENCHESNOTETOINSTALLER:TOWNINSPECTORANDSYSTEMDESIGNERMUSTBECALLED48HRSGASBAFFLE2CHAMBER(1000G&500G.)S.TANKUSEWATERTIGHTRISERONALLOPEINENGSGREATERTHAN9"BURIED&OVEROUTLETFILTER(I FPRESENT)GASBAFFLE(3"drop,UndergoundSupplyorEquivilentTank)(3"drop,UndergoundSupplyorEquivil entTank)Sch40PVCTEESREQUIRED(4)BETWEENCHAMBERS126"X66"TOS.TANK..02'/Ft.PITCHFROMSILLCONTRACTORTOCONFIRMTYPICALNEW1500G.SEPTICTANK(WATERTIGHT)OREQUIVALENT.USE6"OF3/4"TO1-1/2"STONEBENEATHTANK.OUTIN3"+6"10"14"3'LotlinesandtopofromBerksireDesignGroup(SEPT.2021BaseMap),W-1FROM:BERKSHIREDESIGNTESTPITLOG:SOILEVALUATOR:DATEOFEVALUATION:AWEISS&C.KANIECKITP-1&3:254.'TP-2:253.0'DEPTH:HORIZ:TEXTURE:MATERIAL:DEPTH:HORIZ:TEXTURE:MATERIAL:COLOR(MUNSELL):COLOR(MUNSELL):EHWT:STANDINGH2O:WEEPING:BEDROCK:OXIDES:EHWT:STANDINGH2O:WEEPING:BEDROCK:0-8"FSL10YR3.280"NOTNOT136"+126"+80"09.21.202180"NOTNOTSUBJECTSITELOCATIONTP-1P1SCALE:1"=30'MEADOWLOTPEASTONE4"I.D.SDR35PVCPERF.PIPEUSE18"COVER18"3'18"3'9'USE2"LAYEROF1/8TO1/2"PEASTONEOVERPIPESBackfilltobefreeofstonesgreaterthan6"indiameter75'use73'ofperforatedpipe.1'1'20-108"C12.5y.4.3MSAND,LOOSEGRANULARMSINTERLAYERED5%GRAVELGRAVITYSLOPESEPTICSYSTEMOPERATIONANDMAINTENANCENOTESFORHOMEOWNER.1.)HAVETANKPUMPEDEVERY2YEARS.2.)MAINTAINAREAOVERSEPTICSYSTEMASGRASSYORSIMILARGROUNDCOVER.3.)DONOTPLANTANYTREESORDEEPROOTINGSHRUBSWITHIN10FEETOFSYSTEM.4.)USEONLYLIQUIDDETERGENTS&LOWFLOWWASHERS.5.)CLEANTANKOUTLETFILTERANNUALLY(IFEQUIPED)6.)NOWATERSOFTENERORBACKWASHPIPINGALLOWED.7.)NOPERMANANTSTRUCTURESTOBEPLACEDONTHESYSTEMORRESERVE8.)ALLSANITARYHOUSEHOLDPIPINGMUSTGOINTOSEWERPIPEINBASEMENT.2.88+/-AcresSCALEINFEET15'+(REVISEDFLAGLOT)OXIDES:80"MSAND,LOOSEGRANULARINTERLAYERED5%GRAVEL1'T-5sand1'T-5sand3:1slopeA8-20"B10YR5.6FSLC22.5y.4.2FSL108-136"5't5sand5't5sandDENSE,LAYEREDF.SANDANDSILTMASSIVETOPSOILROOTSSANDY0-8"FSL10YR3.220-80"C12.5y.4.3MSA8-20"B10YR5.6FSLC22.5y.4.2FSL80-126"DENSE,LAYEREDF.SANDANDSILTMASSIVETOPSOILROOTSSANDY2.5y.4.22.5y.4.2255250/ 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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////257.0+257.5+1"=30'ALANWEISSe-Mail:AEWEISS@charter.netFAX:(413)323-4916PHONE:(413)323-5957Belchertown,MA.01007ColdSpringEnvironmentalConsultantsInc.SCALE:DATE:DRAWNBY:DRAWINGNUMBER:REVISED:350OldEnfieldRoadNORTHAMTPTON,MAGILLISRESIDENCE258OLDWILSONROADSEPTICSYSTEMPLANFORMEADOWLOT,AKA"FLAGLOT"121-6268-100510.4.2021USE2TRENCHES:75'LX3'WX1.50'DVentlinesPresbyartificialstonerecommendedTP-2NEW2C-1500GSEPTICTANKPROPOSED4BRDWELLING254OLDWILSONROAD20'+S33°55'38"E287.36'S79°40'26"E280.41'N79°52'02"W555.53'NOTETOHOMEOWNERANDCONTRACTOR:CONNECTIONSFROMHEATINGSYSTEM,AIRCONDITIONERS,SUMPPUMPS,WATERWELLFILTRATIONUNITSANDHEATPUMPSARENOTALLOWED,SANITARYSYSTEMCONNECTIONSONLYPERMITTED.TRENCHPIPEEND:TRENCHPIPEINV.IN:BOTPIPEAELEV.=254.25'BOTPIPEBELEV.=253.25'GASBAFFLEGASBAFFLE5.+ftoffsetESHGWNEWSEWERPIPETOBEPLUMBED2%pitchUSE2"LAYEROF1/8TO1/2"PEASTONEOVERPIPES2'+outlevelFINALGRADEOVER2TRENCHES:75'Lx3'W=255.75-254.75BOTPIPEAELEV.253.85'BOTPIPEBELEV.=252.85'BOTA.W.STONEELEV.=252.35'BOT.B.W.STONEELEV.=251.35'(5+FT.OFFSETTOESHGW)MIN.1'75'52'12'18"2"OF1/8TO1/2"W.PEASTONE18"MINCOVERGLUEENDCAPSDIST.BOXW/6"W.STONEBASE1.5TIMESAREAOFBOXOBS.PORT4"PVCPERFUSETHREADCAP&REBARTIETEEATBOTTOM1'T-5sandUnderstone3:1slopescarifybeforestoneplacement15'+5't5sandRESERVEBETWEENTRENCHES3'9'10'+10.6.2021RES.RES.