Designation:E2394−11StandardPracticeforMaintenance,Renovation,andRepairofInstalledAsbestosCementProducts1ThisstandardisissuedunderthefixeddesignationE2394;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesworkpracticesforasbestos-cementproductswhenmaintenance,renovation,andrepairarerequired.Thisincludescommontaskssuchasdrillingandcuttingholesinroofing,siding,pipes,etc.thatcanresultinexposuretoasbestosfibersifnotdonecarefully.Theseworkpracticesaresupplementedandfacilitatedbytheregulatory,contractual,training,andsupervisoryprovisionsofthisprac-tice.1.2Materialscoveredincludethoseinstalledinoronbuildingsandfacilitiesandthoseusedinexternalinfrastructuresuchaswater,wastewater,andelectricaldistributionsystems.Alsoincludedispavementmadefromasbestos-cementmanu-facturingwaste.1.3Theworkpracticesdescribedhereinareintendedforuseonlywithasbestos-cementproductsalreadyinstalledinbuildings,facilities,andexternalinfrastructure.Theyarenotintendedforuseinconstructionorrenovationinvolvingtheinstallationofnewasbestos-cementproducts.1.4Theworkpracticesareprimarilyintendedtobeusedinsituationswheresmallamountsofasbestos-cementproductsmustberemovedordisturbedinordertoperformmaintenance,renovation,orrepairnecessaryforoperationofthebuilding,facility,orinfrastructure.1.5Theworkpracticesdescribedhereinarealsoapplicableforusewheretheprimaryobjectiveistheremovalofasbestos-cementproductsfromthebuildingorotherlocation,particu-larlytheuseofwetmethodsandothermeansofdustandfibercontrol.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Warning—Asbestosfibersareacknowledgedcarcino-gens.Breathingasbestosfiberscanresultindiseaseoft...