Designation:F2304−10StandardPracticeforSealingofSewersUsingChemicalGrouting1ThisstandardisissuedunderthefixeddesignationF2304;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribestheproceduresfortestingandsealingindividualsewerpipejointswithappropriatechemicalgroutsusingthepackermethod.Sewersystemsshallincludesanitary,storm,andcombinedandtheirappurtenances.Chemi-calgroutingisasoilsealingprocess,whichsealsthevoidswithinthesoilsurroundingtheexteriorofthepipeatthepointofleakage.Chemicalgroutingisnotconsideredastructuralrepair.1.2Thispracticeappliestosewers6to42in.(18to107cm)indiameter.Largerdiameterpipemaybegroutedwithspe-cializedpackersormanentrymethods.Hostpipeinteriorsurfacesmustbeadequatetocreateaneffectivesealforthepackerelements.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Workersafetytrainingshouldincludereviewingthehazardsassociatedwithhoses,pumps,tanks,couplers,compressors,bottles,motors,andallotherrelatedapplicationapparatus.Additionalsafetyconsiderationsincludingsafelyhandling,mixing,andtransportingofchemicalgroutsshouldbeprovidedbythechemicalgroutmanufacturerorsupplierorboth.Theirsafeoperatingpracticesandproceduresshoulddescribeindetailappropriatepersonalprotectiveequipment(PPE)forthevariousgroutingoperations.Operationscoveredshouldincludetheproperstorage,transportation,mixing,anddisposalofchemicalgrouts,additives,andtheirassociatedcontainers.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.R...
