Designation:F1947−10StandardPracticeforInstallationofFoldedPoly(VinylChloride)(PVC)PipeintoExistingSewersandConduits1ThisstandardisissuedunderthefixeddesignationF1947;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticedescribestheproceduresfortherehabili-tationofsewerlinesandconduits(4to15in.diameter)bytheinsertionofafoldedPVCpipe,whichisheated,pressurized,andexpandedagainsttheinteriorsurfaceofanexistingpipewitheitheramechanicalroundingdeviceorsteampressure.ThefinishedPVCpipewillbecontinuousandconformtotheexistingconduit.Thisrehabilitationprocesscanbeusedinavarietyofnon–pressureapplications,suchas:sanitarysewers,stormsewers,andprocesspiping.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D790TestMethodsforFlexuralPropertiesofUnreinforcedandReinforcedPlasticsandElectricalInsulatingMateri-alsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD1784SpecificationforRigidPoly(VinylChloride)(PVC)CompoundsandChlorinatedPoly(VinylChloride)(CPVC)CompoundsD2122TestMethodforDeterminingDimensionsofTher-moplasticPipeandFittingsF412TerminologyRelatingtoPlasticPipingSystemsF1417PracticeforInstallationAcceptanceofPlasticNon-pressureSewerLinesUsingLow-PressureAirF1504SpecificationforFoldedPoly(VinylChloride)(PVC)PipeforExistingSewerandConduitRehabilitation2.2NASSCOStandard:RecommendedSpecificationsforSewerCollectionSystemRehabilitation33.Term...