UL-1709

ULI709COPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServicesCOPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServices@UnderwritersLaboratoriesInc.,Northbrwk,Illinois(847)272-8800MeMlle,NewYork.[phone]SantaClara,California(408)985-2400ResearchTrianglePark,NorthCarolina(919)549-1400Camas,Washington.[phone]UnderwritersLaboratoriesInc.,foundedin1894,ischarteredasanot-for-profitorganizationwithoutcapitalstock,underthelawsoftheStateofDelaware,toestablish,maintain,andoperatelaboratoriesfortheexaminationandtestingofdevices,systemsandmaterialstodeterminetheirrelationtohazardstolifeandproperty,andtoascertain,defineandpublishstandards,classificationsandspecificationsformaterials,devices,products,equipment,constructions,methods,andsystemsaffectingsuchhazards.ULStandardsforSafetyaredevelopedunderaprocedurewhichprovidesforparticipationandcommentfromtheaffectedpublicaswellasindustry.Theproceduretakesintoconsiderationasurveyofknownexistingstandardsandtheneedsandopinionsofawidevarietyofinterestsconcernedwiththesubjectmatterofthestandard.Thusmanufacturers,consumers,individualsassociatedwithconsumer-orientedorganizations,academicians,governmentofficials,industrialandcommercialusers,inspectionauthorities,insuranceinterestsandothersprovideinputtoULintheformulatingofULStandardsforSafeh.tokeepthemconsonantwithsocialandtechnologicaladvances.Anot-for-profltorganlzationdedicatedtopublicsafetyandcommittedtoqualityservlceCOPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServicesCOPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServicesMay21,1998-UL1709trlUnderwritersLaboratoriesInc.(UL)333PfingstenRoadNorthbrook,IL60062-2096ULStandardforSafetyRapidRiseFireTestsofProtectionMaterialsforStructuralSteel,UL1709forSecondEdition,DatedFebruary15,1994Revisions:ThisStandardcontainsrevisionsthroughandincludingMay21,1998.TherevisionsdatedMay21,1998includeareprintedtitlepage(page1)forthisStandardTherevisionsdatedMay21,1998wereissuedtocorrectthestyleformatforcertainfiguresandequations.Asindicatedonthetitlepage(pageI),thisULStandardforSafetyisanAmericanNationalStandard.AttentionisdirectedtothenoteonthetitlepageofthisStandardoutliningtheprocedurestobefollowedtoretaintheapprovedtextofthisANSI/ULStandard.ThemasterforthisStandardatUL’sNorthbrookOfficeistheofficialdocumentinsofarasitrelatestoaULserviceandthecomplianceofaproductwithrespecttotherequirementsforthatproductandservice,oriftherearequestionsregardingtheaccuracyofthisStandard.UL’sStandardsforSafetyarecopyrightedbyUL.NeitheraprintedcopyofaStandard,northedistributiondisketteforaStandard-on-DisketteandthefilefortheStandardonthedistributiondisketteshouldbealteredinanyway.AllofUL’sStandardsandallcopyrights,ownerships,andrightsregardingthoseStandardsshallremainthesoleandexclusivepropertyofUL.Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformbyanymeans,electronic,mechanicalphotocopying,recording,orotherwisewithoutpriorpermissionofUL.RevisionsofULStandardsforSafetyareissuedfromtimetotime.AULStandardforSafetyiscurrentonlyifitincorporatesthemostrecentlyadoptedrevisions.ULprovidesthisStandard“asis”withoutwarrantyofanykind,eitherexpressedorimplied,includingbutnotlimitedto,theimpliedwarrantiesofmerchantabilityorfitnessforanypurpose.InnoeventwillULbeliableforanyspecial,incidental,consequential,indirectorsimilardamages,includinglossofprofits,lostsavings,lossofdata,oranyotherdamagesarisingoutoftheuseofortheinabilitytousethisStandard,evenifULoranauthorizedULrepresentativehasbeenadvisedofthepossibilityofsuchdamage.InnoeventshallUL’sliabilityforanydamageeverexceedthepricepaidforthisStandard,regardlessoftheformoftheclaim.ULwillattempttoanswersupportrequestsconcerningWordperfect,Envoy,and.Standards-on-Diskette.However,thissupportserviceisofferedonareasonableeffortsbasisonly,andULmaynotbeabletoresolveeverysupportrequest.ULsupportsaStandards-on-Disketteonlyifitisusedundertheconditionsandoperatingsystemsforwhichitisintended.UL’ssupportpoliciesmaychangefromtime-to-timewithoutnotification.COPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServicesCOPYRIGHTUnderwritersLaboratoriesInc.LicensedbyInformationHandlingServicestr2May21,1998-UL1709ULreservestherighttochangetheformat,presentation,filetypesandformats,deliverymethodsandformats,andthelikeofbothitsprintedandelectronicStandardswithoutpriornotice.Standards-on-Diskettepurchasersagreetodefend,indemnify,andholdULharmlessfromandagainstanyloss,expense,liability,damage,claim,orjudgement(includingreasonableattorney'sfees)resultingfromanyerrorordeviationintroducedwhilepurchaserisstoringaStandard-on-Disketteonthepurchaser'scomputersystem.Ifasingle-userversionStandards-on-Diskettewaspurchased,onecopyofthisStandardmaybestoredontheharddiskofasinglepersonalcomputer,oronasingleLANfile-serverorthepermanentstoragedeviceofamultiple-usercomputerinsuchamannerthatthisStandardmayonlybeaccessedbyoneuseratatimeandforwhichthereisnopossibilityofmul