Designation:C655M−18StandardSpecificationforReinforcedConcreteD-LoadCulvert,StormDrain,andSewerPipe(Metric)1ThisstandardisissuedunderthefixeddesignationC655M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversreinforcedconcretepipede-signedforspecificD-loadsandintendedtobeusedfortheconveyanceofsewage,industrialwastes,andstormwaterandfortheconstructionofculverts.1.2ThisspecificationistheSIcompaniontoSpecificationC655;therefore,noinch-poundequivalentsarepresentedinthisspecification.ReinforcedconcretepipethatconformtotherequirementsofC655areacceptableunderthisSpecificationC655MunlessprohibitedbytheOwner.NOTE1—Experiencehasshownthatthesuccessfulperformanceofthisproductdependsupontheproperselectionofthepipestrength,thetypeofbeddingandbackfill,thecarethattheinstallationconformstotheconstructionspecifications,andprovisionforadequateinspectionattheconstructionsite.Thisspecificationdoesnotincluderequirementsforbedding,backfill,therelationshipbetweenfieldloadconditionsandthestrengthdesignationofpipe,ordurabilityunderunusualenvironmentalconditions.Theserequirementsshouldbeincludedintheprojectspecifi-cation.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A36/A36MSpecificationforCarbonStructuralSteelA615/A615MSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcementA706/A706MSpecificationforDeformedandPlainLow-AlloySteelBarsforConcreteReinforcementA1064/A1064MSpecificationforCarbon-...
