Designation:C12−17StandardPracticeforInstallingVitrifiedClayPipeLines1ThisstandardisissuedunderthefixeddesignationC12;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thispracticecoversthepropermethodsofinstallingvitrifiedclaypipelinesbyopentrenchconstructionmethodsinordertofullyutilizethestructuralpropertiesofsuchpipe.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C301TestMethodsforVitrifiedClayPipeC403/C403MTestMethodforTimeofSettingofConcreteMixturesbyPenetrationResistanceC425SpecificationforCompressionJointsforVitrifiedClayPipeandFittingsC700SpecificationforVitrifiedClayPipe,ExtraStrength,StandardStrength,andPerforatedC828TestMethodforLow-PressureAirTestofVitrifiedClayPipeLinesC896TerminologyRelatingtoClayProductsC923SpecificationforResilientConnectorsBetweenRein-forcedConcreteManholeStructures,Pipes,andLateralsC1091TestMethodforHydrostaticInfiltrationTestingofVitrifiedClayPipeLinesD1586TestMethodforStandardPenetrationTest(SPT)andSplit-BarrelSamplingofSoilsD2487Practice...
