Designation:C1091−03a(Reapproved2013)StandardTestMethodforHydrostaticInfiltrationTestingofVitrifiedClayPipeLines1ThisstandardisissuedunderthefixeddesignationC1091;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddefinesproceduresforhydrostaticinfiltrationtestingofnewinstallationsofvitrifiedclaypipelines,todemonstratethestructuralintegrityoftheinstalledline.RefertoPracticeC12.1.2Thistestmethodissuitablefortestinggravity-flowpipelinesconstructedofvitrifiedclaypipeorcombinationsofclaypipeandotherpipematerials.1.3Thistestmethodisapplicabletothetestingofthepipelinesonly.Manholesorotherstructuresshouldbetestedseparately.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C12PracticeforInstallingVitrifiedClayPipeLinesC828TestMethodforLow-PressureAirTestofVitrifiedClayPipeLinesC896TerminologyRelatingtoClayProducts3.Terminology3.1TerminologyC896canbeusedforclarificationsofterminologyinthistestmethod.4.SummaryofTestMethod4.1Thistestmethodshallbeperformedonlinesafterconnectionlaterals,ifany,havebeenpluggedandadequatelybracedtowithstandthetestpressure,andafterthetrencheshavebeenbackfilledandcompacted.5.SignificanceandUse5.1Thetestscalledforherein,fortheirresults,indicatetheacceptabilityofinstalledvitrifiedclaypipelines.6.PreparationoftheLine6.1Toensuretheproperseatingofthetestplugsandtheaccuracyofthetest,thelinesshouldbecleanedpriortotesting...
