Designation:C1478M−19StandardSpecificationforStormDrainResilientConnectorsBetweenReinforcedConcreteStormSewerStructures,Pipes,andLaterals(Metric)1ThisstandardisissuedunderthefixeddesignationC1478M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstheminimumperformanceandmaterialrequirementsforresilientconnectorsusedforconnec-tionsbetweenprecastreinforcedconcretestormsewerstruc-turesconformingtoSpecificationC478andpipes,andbetweenprecastreinforcedconcretepipeandlateralsforstormdrainagesystems.1.1.1Theseconnectorsaredesignedtopreventsoilmigra-tionbetweenthepipeandstormsewerstructure,andbetweenthepipeandlateral.1.2ThisspecificationistheSIcompaniontoC1478.NOTE1—Thisspecificationcoversthedesign,material,andperfor-manceoftheresilientconnectiononly.Connectionscoveredbythisspecificationareadequateforhydrostaticpressuresupto41kPa(4.3m)withoutleakagewhentestedinaccordancewithSection7.Infiltrationquantitiesforaninstalledsystemaredependentuponmanyfactorsotherthantheconnectionsbetweenstormsewerstructuresandpipe,andallowablequantitiesmustbecoveredbyotherspecificationsandsuitabletestingoftheinstalledpipelineandsystem.NOTE2—Forinstallationsthatexceed41kPa(4.3m),theuseriscautionedtoverifytheamountofhydrostaticheadpressuretheconnectorwillexperience.Ifthetotalpressureappliedtotheconnectorexceedsthe41kPalimitsofthespecification,theuserisadvisedtocontacttheconnectormanufacturerforalternativemethodsofconnectingthepipe,orapplicablealternativestandards.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see7.2.4.1.4Thi...