Designation:F571−87(Reapproved2008)StandardPracticeforInstallationofExitDevicesinSecurityAreas1ThisstandardisissuedunderthefixeddesignationF571;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticeprovidesinformationfortheinstallationofexitdevicesusedinareasofsecuritytoachievethegreatestsecuritypossiblewithoutviolatingtherequirementsandspiritofNFPA101.1.2Securityofahighlevelisnotalwayspossiblewiththeseproductsbuttheuseofcertaintypesandfunctionsofexitdeviceswillaffordamuchhigherdegreeofsecuritythantheuseofothertypesandfunctions.1.3Thevaluesasstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2F476TestMethodsforSecurityofSwingingDoorAssem-blies(Withdrawn2011)32.2BuildersHardwareManufacturersAssociationStan-dards:BHMAA156.3ExitDevices4BHMAA156.5AuxiliaryLocksandAssociatedProducts42.3NationalFireProtectionAgencyStandards:NFPA80FireDoorsandWindows5NFPA101CodeforSafetytoLifefromFireinBuildingsandStructures52.4UnderwritersLaboratoriesStandards:UL305PanicHardware6UL1034BurglaryResistantElectricLockingMecha-nisms63.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1astragal—averticalmoldingattachedtothemeetingedgeofaleaforbothleavesofapairofdoors.3.1.2coordinator—adevicethatholdstheactivedoorofapairopenuntiltheinactivedoorhasprecededitintheclosingcycle.3.1.3exitdevice—alockingdevicealwaysoperablefromtheinside(egressside)bypushingonanactivatingmechanismusuallycalledapushpadorcrossbar.3.1.4mortisedevice—alockmechanismthatisinstalledintoacavityprovidedintheedgeofadoor.3.1.5mullion—averticalmemberinanopeningfortwodoorspermittingeachdoortobeoperatedindependentlyfromtheother.3.1.6rimdevice—asinglelockmechanismappliedtothesurfaceofadoor.3.1.7verticalrodde...
