Designation:E2074–00AnAmericanNationalStandardStandardTestMethodforFireTestsofDoorAssemblies,IncludingPositivePressureTestingofSide-HingedandPivotedSwingingDoorAssemblies1ThisstandardisissuedunderthefixeddesignationE2074;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisfire-test-responsestandardreplacesE152,StandardMethodsofFireTestsofDoorAssemblies,whichwasformerlyunderthejurisdictionofCommitteeE-5onFireStandards.TheE152standardwaswithdrawnonJanuary1,1995inaccordancewithSection10.5.3.1oftheRegulationsGoverningASTMTechnicalCommittee,whichrequiresthatstandardsshallbeupdatedbytheendoftheeighthyearsincelastapprovaldate.1.Scope1.1Thisfire-test-responsestandardisapplicabletodoorassembliesforuseinwallstoretardthepassageoffire(seeX1.1-X1.3.).1.2Thisfire-test-responsestandarddeterminestheabilityofdoorassembliestofunctionasafire-resistivebarrierduringastandardfireendurancetest.Suchatestmethshallnotbeconstruedasdeterminingthesuitabilityofdoorassembliesforcontinueduseaftertheirexposuretofire.1.3Thisfire-test-responsestandardisintendedtoevaluatetheabilityofadoorassemblytoremaininanopeningduringapredeterminedtestexposure,whichwhenrequiredby12.10isthenfollowedbytheapplicationofahosestream(seeX1.4andX1.5).1.4Thehosestreamtestusedinthistestmethodisnotdesignedtoberepresentativeofanactualhosestreamusedbyafiredepartmentduringfiresuppressionefforts.1.5Thefireexposureisnotrepresentativeofallfireconditions,whichvarywithchangesintheamount,nature,anddistributionofthefireloading,ventilation,compartmentsizeandconfiguration,andheatcharacteristicsofthecompartment.Itdoes,however,providearelativemeasureoffireenduranceofdoorassembliesunderspecifiedfireexposureconditions.1.6Anyvariationfromthetestedconstructionortestconditionswillpossiblychangetheperformancecharacteristicsof...