Designation:F3110−14StandardPracticeforProperUseofMechanicalTrenchlessPointRepairSleevewithLockingGearMechanismforPipesofVaryingInnerDiameterandOffsetJoints1ThisstandardisissuedunderthefixeddesignationF3110;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeestablishesminimumrequirementsforgoodpracticesforthematerialsandinstallationofmechanicaltrenchlessrepairsleevewithalockinggearmechanismforpipesofvaryinginnerdiameterandoffsetjointsintherangeof6to72in.(150to1800mm).1.2Thispracticeappliestostorm,potablewater,wastewaterandindustrialpipes,conduitsanddrainageculverts.1.3Whenthespecifiedmaterialsareusedinmanufacturingthesleeveandinstalledinaccordancewiththispractice,thesleeveshallextendoverapredeterminedlengthofthehostpipeasacontinuous,tightfitting,corrosionresistantandverifiablenon-leakingpiperepairedusingoneormorepiecesoftherepairsleevemechanism.Themaximuminternalpressurethissleevecancarrydependsonthediameterandthewallthickness,rangingfrom10to15bars;theexternalpressureshallnotexceed1.5bars.1.4AllmaterialsincontactwithpotablewatershallbecertifiedtomeetNSF/ANSI61/372.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Particularattentionisdrawntothosesafetyregulationsandrequirementsinvolvingenteringintoandworkinginconfinedspaces.2.ReferencedDocuments2.1ASTMStandards:2A240SpecificationforChromiumandChromium-NickelStainlessSteelPlate,Sheet,andStripforPressureVesselsandforGener...
