Designation:C506−18StandardSpecificationforReinforcedConcreteArchCulvert,StormDrain,andSewerPipe1ThisstandardisissuedunderthefixeddesignationC506;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversreinforcedarch-shapedcon-cretepipetobeusedfortheconveyanceofsewage,industrialwastes,stormwater,andfortheconstructionofculverts.1.2Thisspecificationistheinch-poundcompaniontoC506M;therefore,noSIequivalentsarepresentedinthespecification.ReinforcedconcretepipethatconformtotherequirementsofC506MareacceptableunderthisSpecificationC506unlessprohibitedbytheowner.NOTE1—Thisspecificationisamanufacturingandpurchasespecifica-tiononly,anddoesnotincluderequirementsforbedding,backfill,ortherelationshipbetweenfieldloadconditionandthestrengthclassificationofpipe.However,experiencehasshownthatthesuccessfulperformanceofthisproductdependsupontheproperselectionoftheclassofpipe,typeofbeddingandbackfill,andcarethattheinstallationconformstotheconstructionspecifications.Theownerofthereinforcedconcretepipespecifiedhereiniscautionedthathemustcorrelatethefieldrequirementswiththeclassofpipespecifiedandprovideinspectionattheconstructionsite.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A36/A36MSpecificationforCarbonStructuralSteelA615/A615MSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcementA706/A706MSpecificationforDeformedandPlainLow-AlloySteelBarsforConcreteReinforcementA1064/A1064MSpecification...
