IL SEPTIC INSTALLERS GRADE A+
COMPLETE EXAM QUESTIONS AND
100% VERIFIED ANSWERS (2026/2027)
PASS GUARANTEE
PublicCSewerCConnectionC-
CCORRECTCANSWERPrivateCresidenceCmustCconnectCifCw/inC300'CorCforCanyCcommercialCbldg.Cw/in
C300'CthatChasCflowsClessCthanC1500Cgpd.CCommercialCw/CflowsC=CtoCorCgreaterCthanC1500CgpdCmus
tCconnectCifCsewerCisCw/inC1000'.C
UnlessCphysicalCbarrier,Cordinance,CorCcannotCbeCdoneCw/CindividualClineC(4"Cline)-
thenCPSDCsystemCisCOK.
AcceptableCPipeCMaterialsC-CCORRECTCANSWERVitrifiedCclay,CductileCiron,CorCplastic.C
AnythingCafterCtheCtankCorCfromCdistributionCboxChasCtoCbeCvitrifiedCclayCorCplastic.
ScheduleC40CorCGreaterC-CCORRECTCANSWERunderCroads,Cdriveways,CorCparkingCareas
GravityCSlopeC-CCORRECTCANSWERDiameter:C4"CpipeC+Cmin.CslopeCofC12"CperC100'
BuildingCsewersCinCexcessCofC50'CshouldChaveCwhat?C-
CCORRECTCANSWERACC/OC@CleastCeveryC50'Cfrom CbuildingCtoCtank,CdistributionCbox,CorCATU
CrevicedCLimestoneCFormationC-
CCORRECTCANSWERSSCsystemCcannotCbeCinstalledCwhereCbottomCofCsystemCisClessCthanC4'CfromCto
pCofClimestone
,IfClimestoneCisCknownCtoCbeCpresentCaCsoilCtestCmustCbeCdoneC@CleastC4'CdeeperCthanCwhereCtheCb
ottomCofCtheCtrenchCwillCbe
HowCfarCawayCcanCquickCdisconnectCbe?C-
CCORRECTCANSWERnoCmoreCthanC50'CawayCfromCtheCdeviceC&Cw/inCsightCof
ExperimentalCUseCPermitsC-
CCORRECTCANSWERmin.CofC10CexperimentalCsystemsCinstalledCb4CunconditionalCapprovalCgranted
.CPermitCvalidCforC2CyrsC&CevaluatedC@CendCofC2Cyrs.
2CoptionsCforCgarbageCgrindersC-
CCORRECTCANSWER1.CsolidsCretentionCtankCbtwnCWWCsourceC&CsepticCtk.CforCkitchenCwasteConly.C
NeedsCtoCbeC50%CofCtheCsizeCofCtheCdesignedCsepticCtankCw/CaCmin.CofC500Cgals.
2.CACsepticCtankCreceivingCallCflowsCsizedCasC50%CofCtheCsepticCtankCsizeC+CsepticCtankCsize.Ci.e.,Csept
icCtkC=C1500Cgals.C/2C=C750C+C1500C=C2250C(wouldCneedC2500CgalCtk)
HowClongCshouldCaChomeownerCkeepCmaint.CrecordsCforCtheirCsystem?C-
CCORRECTCANSWERtheClifeCofCtheCsystem
WhenCshouldCtheC1stCmaintenanceCofCaCsepticCtankCafterCinstallationCbeCcompletedCforCaCresidenc
e?C-
CCORRECTCANSWERPriorCtoCorCwithinC3Cyrs.CAfterCinitialCinspectionCitCcanCbeCdoneConceCeveryC5Cyr
s.CCanCbeCdoneCbyCeveryoneC+Chomeowner
IfCsludgeClayerC/suspendedCsolidsCareCgreaterCthanC33%C.C.C.C-
CCORRECTCANSWERMustCpumpCtankCandCperformCmaintenance
WhenCshouldCaCsepticCsystemCbeCevaluatedCinitiallyCafterCinstallationCforCaCnon-residentialCbldg?C-
CCORRECTCANSWERpriorCtoCorCw/inC3Cyrs.CAfterCthatCitCshouldCbeCdoneC@CleastCeveryC3Cyrs.C
, OwnerCcannotCdo.ChasCtoCbeCengineer,Cenv.ChealthCpractitioner,CmemberCofCdept,CHD,CorCsepticCco
ntractor
AerobicCTreatmentCUnitCEvaluationsC-
CCORRECTCANSWER1CeveryC6CmosC@CleastC(sameCppl)C+CHOMEOWNERCasClongCasCtheyCfollowCma
nufacturer'sCrequirementsC&CproperCmaintenance
WhatCisCtheCmaint.CscheduleCforCSFsC&CWSPsCw/CsurfaceCdischarges?C-
CCORRECTCANSWER@CleastC1CperCyr.C+CH.O.CifCrulesCrCfollowed.CPumpedCwhenCsolidsC&CscumCgreat
erCthanC33%
CanCaCH.O.CinstallC&CmaintainCaCsepticCsystemConChis/herCproperty?C-CCORRECTCANSWERYes
WhoCcanCperformCtheCexcavationCforCaCsepticCsystem?C-
CCORRECTCANSWERAClicensedCinstallerC(employeeCwhileCsupervised)CorCtheCpropertyCowner.
WhatCisCtheCmin.CsizeCtankCforCflowsCUPCTOC500Cgpd?C-CCORRECTCANSWER750Cgals.
IfCflowsCareCgreaterCthanC500Cgpd,ChowCdoCyouCsizeCtheCtank?C-
CCORRECTCANSWERTankCsizeCshouldCbeC=CtoC@CleastC1.5xCtheCestimatedCsewageCflow
HowCdoCyouCsizeCaCtank(s)CforCflowsCgreaterCthanC1350Cgpd?C-
CCORRECTCANSWERUCmustCuseCmultipleCtks.CinCaCseriesCorCmultipleCcompartmentCtks.CwhereCtheC
1stCtankCorCtheC1stCcomp.CinCaCmulticomp.Ctk.CisC1/2-
2/3CofCtheCtotalCrequiredCcapacity.CofCtheCtank(s)
HowCdoCyouCsizeCtheCtankCforCaCraisedCfilterCbedCforCaCresidence?C-
CCORRECTCANSWERItChasCtoCbeCanCNSFC40CbatchCtreatmentCsystem.CTheCaerationCtankChasCtoCbeC2
xCtheCdailyCflow
COMPLETE EXAM QUESTIONS AND
100% VERIFIED ANSWERS (2026/2027)
PASS GUARANTEE
PublicCSewerCConnectionC-
CCORRECTCANSWERPrivateCresidenceCmustCconnectCifCw/inC300'CorCforCanyCcommercialCbldg.Cw/in
C300'CthatChasCflowsClessCthanC1500Cgpd.CCommercialCw/CflowsC=CtoCorCgreaterCthanC1500CgpdCmus
tCconnectCifCsewerCisCw/inC1000'.C
UnlessCphysicalCbarrier,Cordinance,CorCcannotCbeCdoneCw/CindividualClineC(4"Cline)-
thenCPSDCsystemCisCOK.
AcceptableCPipeCMaterialsC-CCORRECTCANSWERVitrifiedCclay,CductileCiron,CorCplastic.C
AnythingCafterCtheCtankCorCfromCdistributionCboxChasCtoCbeCvitrifiedCclayCorCplastic.
ScheduleC40CorCGreaterC-CCORRECTCANSWERunderCroads,Cdriveways,CorCparkingCareas
GravityCSlopeC-CCORRECTCANSWERDiameter:C4"CpipeC+Cmin.CslopeCofC12"CperC100'
BuildingCsewersCinCexcessCofC50'CshouldChaveCwhat?C-
CCORRECTCANSWERACC/OC@CleastCeveryC50'Cfrom CbuildingCtoCtank,CdistributionCbox,CorCATU
CrevicedCLimestoneCFormationC-
CCORRECTCANSWERSSCsystemCcannotCbeCinstalledCwhereCbottomCofCsystemCisClessCthanC4'CfromCto
pCofClimestone
,IfClimestoneCisCknownCtoCbeCpresentCaCsoilCtestCmustCbeCdoneC@CleastC4'CdeeperCthanCwhereCtheCb
ottomCofCtheCtrenchCwillCbe
HowCfarCawayCcanCquickCdisconnectCbe?C-
CCORRECTCANSWERnoCmoreCthanC50'CawayCfromCtheCdeviceC&Cw/inCsightCof
ExperimentalCUseCPermitsC-
CCORRECTCANSWERmin.CofC10CexperimentalCsystemsCinstalledCb4CunconditionalCapprovalCgranted
.CPermitCvalidCforC2CyrsC&CevaluatedC@CendCofC2Cyrs.
2CoptionsCforCgarbageCgrindersC-
CCORRECTCANSWER1.CsolidsCretentionCtankCbtwnCWWCsourceC&CsepticCtk.CforCkitchenCwasteConly.C
NeedsCtoCbeC50%CofCtheCsizeCofCtheCdesignedCsepticCtankCw/CaCmin.CofC500Cgals.
2.CACsepticCtankCreceivingCallCflowsCsizedCasC50%CofCtheCsepticCtankCsizeC+CsepticCtankCsize.Ci.e.,Csept
icCtkC=C1500Cgals.C/2C=C750C+C1500C=C2250C(wouldCneedC2500CgalCtk)
HowClongCshouldCaChomeownerCkeepCmaint.CrecordsCforCtheirCsystem?C-
CCORRECTCANSWERtheClifeCofCtheCsystem
WhenCshouldCtheC1stCmaintenanceCofCaCsepticCtankCafterCinstallationCbeCcompletedCforCaCresidenc
e?C-
CCORRECTCANSWERPriorCtoCorCwithinC3Cyrs.CAfterCinitialCinspectionCitCcanCbeCdoneConceCeveryC5Cyr
s.CCanCbeCdoneCbyCeveryoneC+Chomeowner
IfCsludgeClayerC/suspendedCsolidsCareCgreaterCthanC33%C.C.C.C-
CCORRECTCANSWERMustCpumpCtankCandCperformCmaintenance
WhenCshouldCaCsepticCsystemCbeCevaluatedCinitiallyCafterCinstallationCforCaCnon-residentialCbldg?C-
CCORRECTCANSWERpriorCtoCorCw/inC3Cyrs.CAfterCthatCitCshouldCbeCdoneC@CleastCeveryC3Cyrs.C
, OwnerCcannotCdo.ChasCtoCbeCengineer,Cenv.ChealthCpractitioner,CmemberCofCdept,CHD,CorCsepticCco
ntractor
AerobicCTreatmentCUnitCEvaluationsC-
CCORRECTCANSWER1CeveryC6CmosC@CleastC(sameCppl)C+CHOMEOWNERCasClongCasCtheyCfollowCma
nufacturer'sCrequirementsC&CproperCmaintenance
WhatCisCtheCmaint.CscheduleCforCSFsC&CWSPsCw/CsurfaceCdischarges?C-
CCORRECTCANSWER@CleastC1CperCyr.C+CH.O.CifCrulesCrCfollowed.CPumpedCwhenCsolidsC&CscumCgreat
erCthanC33%
CanCaCH.O.CinstallC&CmaintainCaCsepticCsystemConChis/herCproperty?C-CCORRECTCANSWERYes
WhoCcanCperformCtheCexcavationCforCaCsepticCsystem?C-
CCORRECTCANSWERAClicensedCinstallerC(employeeCwhileCsupervised)CorCtheCpropertyCowner.
WhatCisCtheCmin.CsizeCtankCforCflowsCUPCTOC500Cgpd?C-CCORRECTCANSWER750Cgals.
IfCflowsCareCgreaterCthanC500Cgpd,ChowCdoCyouCsizeCtheCtank?C-
CCORRECTCANSWERTankCsizeCshouldCbeC=CtoC@CleastC1.5xCtheCestimatedCsewageCflow
HowCdoCyouCsizeCaCtank(s)CforCflowsCgreaterCthanC1350Cgpd?C-
CCORRECTCANSWERUCmustCuseCmultipleCtks.CinCaCseriesCorCmultipleCcompartmentCtks.CwhereCtheC
1stCtankCorCtheC1stCcomp.CinCaCmulticomp.Ctk.CisC1/2-
2/3CofCtheCtotalCrequiredCcapacity.CofCtheCtank(s)
HowCdoCyouCsizeCtheCtankCforCaCraisedCfilterCbedCforCaCresidence?C-
CCORRECTCANSWERItChasCtoCbeCanCNSFC40CbatchCtreatmentCsystem.CTheCaerationCtankChasCtoCbeC2
xCtheCdailyCflow