Designation:C1644−06(Reapproved2011)StandardSpecificationforResilientConnectorsBetweenReinforcedConcreteOn-SiteWastewaterTanksandPipes1ThisstandardisissuedunderthefixeddesignationC1644;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstheminimumperformanceandmaterialrequirementsforresilientconnectorsusedforconnec-tionsbetweenreinforcedconcretetanksusedforsepticeffluenttreatment/detention,includingthosereferencedinSpecifica-tionsC913andC1227.1.1.1Theseconnectorsaredesignedtoeliminateleakagebetweenthepipe(s)andtank.1.2AcompletemetriccompaniontoSpecificationC1644hasbeendeveloped—C1644M;therefore,nometricequiva-lentsarepresentedinthisspecification.NOTE1—Thisspecificationcoversthedesign,material,andperfor-manceoftheresilientconnectiononly.Connectionscoveredbythisspecificationareadequateforhydrostaticpressuresupto5psi(11.5ft)withoutleakagewhentestedinaccordancewithSection7.Infiltrationorexfiltrationquantitiesforaninstalledsystemaredependentuponmanyfactorsotherthantheconnectorsbetweentanksandpipes,andallowablequantitiesmustbecoveredbyotherspecificationsandsuitabletestingoftheinstalledpipeandsystem.1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section7,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A240/A240MSpecificationforChromiumandChromium-NickelStainlessSteelPlate,Sheet,andStripforPressureVesselsandforGeneralApplicationsC822TerminologyRelatingtoConcretePipeandRelatedProductsC913SpecificationforPrecastConcreteWaterandWaste-waterStructuresC1227SpecificationforP...