Designation:C12−16aStandardPracticeforInstallingVitrifiedClayPipeLines1ThisstandardisissuedunderthefixeddesignationC12;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thispracticecoversthepropermethodsofinstallingvitrifiedclaypipelinesbyopentrenchconstructionmethodsinordertofullyutilizethestructuralpropertiesofsuchpipe.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C301TestMethodsforVitrifiedClayPipeC403/C403MTestMethodforTimeofSettingofConcreteMixturesbyPenetrationResistanceC425SpecificationforCompressionJointsforVitrifiedClayPipeandFittingsC700SpecificationforVitrifiedClayPipe,ExtraStrength,StandardStrength,andPerforatedC828TestMethodforLow-PressureAirTestofVitrifiedClayPipeLinesC896TerminologyRelatingtoClayProductsC923SpecificationforResilientConnectorsBetweenRein-forcedConcreteManholeStructures,Pipes,andLateralsC1091TestMethodforHydrostaticInfiltrationTestingofVitrifiedClayPipeLinesD2487PracticeforClassificationofSoilsforEngineeringPurposes(UnifiedSoilClassificationSystem)D2488PracticeforDescriptionandIdentificationofSoils(Visual-ManualProcedure)D4832TestMethodforPreparationandTestingofCon-trolledLowStrengthMaterial(CLSM)TestCylindersD5821TestMethodforDeterminingthePercentageofFracturedParticlesinCoarseAggregateD6103TestMethodforFlowConsistencyofControlledLowStre...
