ML18040A852

Suppl 4 to Evaluation of Selected Fire Door & Door Frame Assemblies, Technical Rept

ML18040A852
Person / Time
Site:	Susquehanna
Issue date:	08/31/1987
From:	DOBSON P H, GOULD J E, SHIELD W F FACTORY MUTUAL RESEARCH CORP.
To:
Shared Package
ML17146B007	List: ML17146B009 ML17146B010 ML18040A852 PLA-2917, Forwards Rev to App R Deviation Request 3, Fire Doors - Nonrated, in Response to Enforcement Action 85-112.Encl Rev Addresses Water Tight Doors in Fire Barriers Separating Listed Fire Zones
References
NUDOCS 8710230365
Download: ML18040A852 (7)

Text

TECHNICALREPORTEUALUATIONOFSELECTEDFIREDOORANDDOORFRAMEASSEMBLIES(SUPPLEMENT4)byJeffreyE.GouldPreparedforPennsylvaniaPowerandLightCompanySusquehannaSteamElectricStationRoutellSalemTownship,Pennsylvania15635August1987Reviewedby:W.F.Shield,AssistantManagerMaterialsSection(Codes/Ratings}FMRCArovedby:87102303658710210,.Paw.AaOCV.-'0S000387.,','8...',,"PDR,fP.H.DobsonSeniorEngineerFMRCFactoryMutualResearch1151Boston-P~idenceTurnpikeNorwood,Massachusetts02062 00'L'4~J',rP

'leiA.)sACTORYMUTUALRESEARCHCORPORATABLEOFCONTENTSSectionTitle~PaeTABLEOFCONTENTSSUMMARYANDCONCLUSIONSIINTRODUCTIONIIFIREDOORASSEMBLYEVALUATIONiii12 TORYMUTUALRESEARCHCORPORATIOSUMMARYANDCONCLUSIONSAnevaluationofselectedfiredoorsandframesprotectingsafetyrelatedareaswasconductedforthePennsylvaniaPowerandLightCo.(PP&L)atSusquehannaSteamElectricStation,Units1&2.ThepurposeoftheevaluationwastoexaminecertainunlabeleddoorassembliesandrenderanopinionontheirfireresistanceratingThisevaluationwasrequestedbyPP&LasasupplementtotheoriginalevaluationcontainedinaPactoryMutualreportdatedJanuary1985,Supplement1datedAugust1985,Supplement2datedJune1986andSupplement3datedMay1987.Itwasconcludedthatthespecialpurpose(watertight)doorassembliesidentifiedasDoors14,23and24shouldprovideaminimumofl-l/2hoursfireresistance.

I'l<>p~iACTORYMUTUALRESEARCHCORPORAIINTRODUCTIONTheplantwasvisitedinJuly1987byL.J.Mattern,PMEA,LossPreventionSpecialist.Threedoorsandframeswereexaminedduringthisvisit.TheinformationgatheredduringthisexaminationwasthenforwardedtotheFMRCfApprovalsDivisionforevaluation.TheassembliesarelocatedinUnit1and2ReactorBuildings.ThewriterisanEngineerintheApprovalsDivisionofFactoryMutualandhas7yearsofexperience,primarilyinthenuclearindustry.Hisprimaryresponsibilityistestinganddeterminationoffireresistanceofbuildingmaterialsandfireratedassemblies.

(I(),t~lCTORYMUTUALRESEARCHCORPORATIIIFIREDOORASSEMBLYEVAULATIONSThreeunlabeledspecialpurpose(watertight)firedoorassemblieswereexaminedduringthisvisittotheSusquehannaSteamElectricStationattherequestofthePennsylvaniaPower.andLightCompany(PPSL)2.1FIREDOORASSEMBLIES2.1.1LocationThedoorsexaminedwerelocatedatElevation645andwereidentifiedasDoors14,23and24.Door14separatesUnit2,AandB,CoreSprayPumpRooms;Door23separatesUnit1,AandB,RHRPumpRoomsandDoor24separatesUnit2,AandB,RHRPumpRooms.2.1.2ConstructionThethreedoorswereinspectedandfoundtobeidenticaltooneanother.Theymeasure3ftwidex7fthighandconsistofa1/4in.steelplatewith1in.x2in.x3/16in.steelchannel.Thereare2hingesweldedtothedoyzandframeprovidedwith5/8in.diameterpins.Eachdoorisequippedwith'C!twelvesteelbarlatchesoperatedbyacentermountedwheeltypeoperator.Thelatchthrowsarel-l/4in.longandengagethe5/8in.thicksteelframeonthetop,bottomandsides.Thedoorsarerubbergasketedtomakeawaterproofsealwiththe5/8in.thicksteelframe.Doors23and24aremountedin36in.thickreinforcedconcretewalls.Door14ismountedina30in.thickreinforcedconcretewall.2.1.3EvaluationThese3doorswerefoundtobeidenticaltoadoorwhichhadbeenpreviouslyevaluatedbySamuelM.KnightofFactoryMutualResearchCorporationwithconclusioncontainedinareportentitled"EvaluationofSelectedFireDoorandDoorFrameAssemblies"datedJanuary1985.ThedoorpreviouslyevaluatedisidentifiedasDoor13andreferencedinSection2.2,SpecialPurposeDoor,intheabovenotedreport.TheconclusioninthatreportisthatDoor13wouldprovideaminimumof1-1/2hoursoffireresistance2.1.4ConclusionDoors14,23and24wouldprovideaminimumofl-l/2hoursfireresistance.

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