Designation:F2922−13(Reapproved2018)StandardSpecificationforPolyethylene(PE)CorrugatedWallStormwaterCollectionChambers1ThisstandardisissuedunderthefixeddesignationF2922;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversrequirements,testmethods,materials,andmarkingforpolyethylene(PE),openbottom,buriedarch-shapedchambersofcorrugatedwallconstructionusedforcollection,detention,andretentionofstormwaterrunoff.Applicationsincludecommercial,residential,agricultural,andhighwaydrainage,includinginstallationun-derparkinglotsandroadways.1.2Chambersareproducedinarchshapeswithdimensionsbasedonchamberrise,chamberspan,andwallstiffness.Chambersaremanufacturedwithintegralfeetthatprovidebasesupport.Chambersmayincludeperforationstoenhancewaterflow.Chambersmustmeettestrequirementsforarchstiffness,flattening,andacceleratedweathering.1.3Analysisandexperiencehaveshownthatthesuccessfulperformanceofthisproductdependsuponthetypeanddepthofbeddingandbackfill,andcareininstallation.Thisspecifi-cationincludesrequirementsforthemanufacturertoprovidechamberinstallationinstructionstothepurchaser.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section6,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrincipl...