ML18040B119

Suppl 1 to Evaluation of Selected Fire Door & Door Frame Assemblies.

ML18040B119
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Site:	Susquehanna
Issue date:	08/31/1985
From:	DOBSON P H, KNIGHT S M FACTORY MUTUAL RESEARCH CORP.
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{{#Wiki_filter:EVALUATIONOFSELECTEDFIREDOORANDDOORFRAMEASSEMBLIES(SUPPLEMENT1)BySamuelM.KnightPreparedfor:PennsylvaniaPowerandLightCompany"SusquehannaSteamElectricStation"RoutellSalemTownship,Pennsylvania15635August1985ApprovedBy~a-g(]~~P.H.DobsonSeniorEngineerFMRC,850904-85090b021i",~000g87..,PDRAgQC5.',...PDR~FactoryMutualResearch1151Boston-ProvidenceTurnpikeNorwood,Massachusetts02062 11l11 FACTORYMUTUALRESEARCHCORPORATIONTABLEOFCONTENTSSectionTitle~PaePURPOSESUMMARYANDCONCLUSIONSINTRODUCTIONFIREDOORANDFRAMEEVALUATIONRECOMMENDATIONS12

FACTORYMUTUALRESEARCHCORPORATIONPURPOSEAnevaluationofselectedfiredoorsprotectingsafetyrelatedareaswasconductedforthePennsylvania,PowerandLightCo.(PP&L)atSusquehannaSteamElectricStation,Units1&,2.Thepurposeoftheevaluationwastoexaminecertainunlabeleddoorsandcomparethemwithlabeleddoorconstructionstorenderanopinionontheirexpectedfireresistance.ThisevaluationwasrequestedbyPP&Lasasupplementtotheoriginal'evaluationinaFactoryMutualreportdatedJanuary1985. 0 FACTORYMUTUALRESEARCHCORPORATIONSUMMARYANDCONCLUSIONS1.DoorNo.279onLevel676,hada3hourlabelattached.Thedoormaybeexpectedtoprovidethatlevelofprotection.2.DoorNo.421onLevel719,hada3hourlabelattached.Thedoormaybe,expectedtoprovidethatlevelofprotection.3.DoorNos.111and201,werecomparedtoDoorNo.279andfoundtobeofthesameconstructionandofthesamematerials,andwerejudgedtobeequivalent,hence,maybeexpectedtoprovideupto3hoursoffireresistance.4.DoorNo.515onLevel749,wascomparedtoDoorNo.421andfoundtobeofthesameconstructionandofthesamematerialsandwasjudgedtobeequivalent,hence,maybeexpectedtoprovideupto3hoursoffireresistance.5.TomeetFMrecommendations,thelouverinDoorNo.606onElevation779,shouldberemovedandtheopeningprotected.ThedoorwascomparedtoDoorNo.421,andifprotectedasnotedinparagraph2.3,maybeexpectedtoprovideuptol-l/2hour'sfireresistance.6.Shoulditbenecessarytohaveadditionaldoorsatthissiteanalyzedastotheirexpectedfireresistancerating,thismaybeaccomplishedbyoneofthefollowingprocedures:a.Fordoorsneedinguptoal-l/2hourequivalency;contactthemanufacturerandobtainwrittenconfirmationthatthedoorsinquestionandatleastonesimilardoorpreviouslyexaminedbythewriterandqualifiedfor1-1/2hourratingwerefabricatedtotheappropriatePP&Lspecification.Thisshouldbecorroboratedbydeterminingthatsizes,facesheetthicknessandhingereinforcementthicknessarethesame.InstallationshallconformtotherequirementsofNFPAStandard80,"FireDoorsandWindows."b.Fordoorsneedinguptoa3hourequivalency;requestanadditionalvisitbythewritertodeterminethatperipheralchannelframingandlatchreinforcementsarethesameandthatinternalstiffenerquantityandlocationsarethesame. FACTORYMUTUALRESEARCHCORPORATIONINTRODUCTIONTheplantwasvisitedonMay7,1985.ThewriterwasaccompaniedbyMr.D.KohnofPP&L.Fourdoorsandframeswereexaminedduringthisvisit.TheassemblieswerelocatedinUnit1and2ReactorBuildings.ThewriterisaProjectEngineerwith20years'xperienceattheFactoryMutualResearchCorporation(FMRC).ThewriterhasservedontheNationalFireProtectionAssociation"FireDoorsandWindows"Committee(NFPA80)for18years.Hisprimaryresponsibilitiesare:1)Testinganddeterminationoffireratingsforfiredoors;and2)Examinationofinstalledunlabeleddoorstodeterminetheirfireresistanceratingforbuildingauthorities. ~4fFACTORYMUTUALRESEARCHCORPORATIONFIREDOORANDFRAMEEVALUATIONTwolabeledfiredoorsandframes,andtwounlabeledfiredoorsandframes,wereexaminedduringthisvisittotheSusquehannaSteamElectricStationattherequestofthePennsylvaniaPowerandLightCompany(PPGL).2.1DoorFrameAssembliesAllframeswerefoundtobefabricatedinaccordancewiththeAmericanNationalStandardsInstitute,StandardA155.1,andmaybeexpectedtoprovideupto3hoursfireresistance.2.2FireDoorsUnlabeledfiredoorswereexaminedbycomparingtheirconstructionfeatureswithlabeledfiredoors.2.2.1DoorNos.111and201'IDoorNos.111and201werere-evaluatedduringthisvisit.TheywerepreviouslycoveredintheFMRCreportdatedJanuary1985.Atthattime,thosedoorswerecomparedagainstal-l/2hourlabeleddoor(No.110atLevel670)and.ouropinionwasthatthesedoorscouldbeexpectedtoprovideatleastal-l/2hourfireresistance.DoorNo.279on'Level676.bearsalabelindicatinga3hourfireresistance.TheconstructiondetailsofDoorNo.279werecomparedtoDoorNo.110withthefollowingresults:1)Alldoorshadthesamedimensions(height,widthandthickness).2)Internal'stiffenersweredeterminedtobeapproximately6in.to8in.oncenter.Thiswasdonebymeansofastethescope.3)Facesheet,hingereinforcementandperipheralchannelframingwerefoundtobeessentiallythesame.Thiswasdonebymeansofaspeciallyadaptedmicrometer. I FACTORYMUTUALRESEARCHCORPORATION2.2.2DoorNo.515DoorNo.515,onLevel749,wasnotlabeledandwasexaminedtocompareitsconstructiondetailsagainstDoorNo.421usingthecriteriaoutlinedinParagraph2.2.1.Door421hasa3hourlabel.Bothdoorshaveessentiallythesameconstructiondetails.2.2.3DoorNo606DoorNo.606,onLevel779,wasexaminedtocompareitsconstructionagainstDoorNo.421.DoorNo.606containedalouver(6in.x8in.)whichprecludesthedoorframehavinganyfireresistance,unlessmodified.AllotherdetailsasoutlinedinParagraph2.2.1wereessentiallythesamebetweenthesetwodoors.DoorNo.421isa3hourratedfiredoor.IfDoorNo.606ismodified,itcanprovideatleast1-1/2hour'sfireresistance.Themodificationshouldconsistofattachingone18gagesteelplatetoeachdoorface.Theplateshouldbelargeenoughtooverlapthelouverby2in.onallsides.Fastenersshouldbesheetmetalscrews,spacednomorethan6in.oncenter. 4 FACTORYMUTUALRESEARCHCORPORATIONIIIRECOMMENDATIONS1.Ifafireresistanceratingofupto1-1/2hoursforDoorNo.606,onLevel779,isdesired,thelouvershouldbecoveredonbothfacesby18gagesteelplates,overlappingallsidesby2in.,fastenedbysheetmetalscrewsspacednomorethan6in.oncenter. I&~~E APPENDIXREXEMPTIONREUESTWRAPAROUNDAREAREQUESTNO.4REASONFOREXEMPTIONREUEST:A66footwideWraparoundAreaisprovidedbetweenredundantsafeshutdownpathsonthenorthandsouthsidesoftheReactorBuildingonthreespecificelevations.ThisWraparoundAreafunctionstoseparatethenorthandsouth.portionsofthefirezonesontheseelevationsbyprovidingspatialseparation.WithintheWraparoundAreabothdivisionareprotected.Inaddition,duetothefireprotectionfeaturesorlackofsignificantcombustiblesintheseareas,itisassumedthatfirespreadisconfinedtoa50'istance.FIREZONESAFFECTED:Allfirezonesareprovidedwithfiredetection.TheWraparoundAreaisasubsetofafirezoneandislocatedeastofthecontainmentwithinthefirezone(seeFigures3.0,4.0and5.0inAppendixB).TheTablebelowprovidesadescriptionoffireprotectionfeaturesandcombustibleloadingintheaffectedfirezones.FireZoneProtectionProvidedEssentialRacewayCombustibleLoading1-3B1-3C1-4A1-5A2-3B2-3C2-4A2-5A1hour/AS3hours1hour/AS3hours1hour/AS3hours1hour/AS1hour/AS20min9min15min19min16minllmin15min18minNotes:The1houror3hourreferstothefireratingoftheracewaywrapforessentialsafeshutdowncables."AS"indicatesautomaticsprinklerprotectionisprovided.Zone1-3Cand2-3Chaveacalculatedin-situcombustibleloadingof9and11minutes,andduetothecongestionandhighradiation,transientcombustibleloadingisexpectedtobeverylow.Thereforeautomaticsprinklerprotectionhasnotbeenprovided.Theareasnorthandsouthofthesewraparoundareashavedifferentsafeshutdownpathavailable.(i.e.Div.Ivs.Div.II).Withinthewraparoundarea,bothpathsareavailablesincea)eithercomponentsofbothpathsdonotexistorb)componentsofbothpathsareprotectedwith mIl4I'mpIHiltI,VPN REQUESTNO.4PAGE2eithera3hourfireratedwrapora1hourfireratedwrapwithautomaticsprinklers.Toensurea50footwideseparationa66footwideareawaschosensinceconduitlocationshavea+8foottolerancefromthelocationshownonthedrawing.JUSTIFICATION:Inordertodamageredundantshutdownpathsfiredamagemustspreadoveradistancegreaterthan50footwide.Suchdamageisnotconsideredfeasible,consideringthegeneralarrangement,fireprotection,firedetection,andlowcombustibleloadingsintheseareas.EXEMPTIONSREUEST:A66footwideWraparoundAreaprovidedinFireZones1-3B,1-3C,1-4A,1-5A,2-3B,2-3C,2-4A,and2-5Aprovidesufficientprotectiontoseparateredundantsafeshutdownpaths,and,therefore,fireratedbarriersarenotrequired.djk/h188c3:del~~ pyI4IIII,I"'l'VfPaPIC,nIVN'I'KtI+4IIpIIp'>,IJJIIfp,'hAa'1e'Iilu' APPENDIXREXEMPTIONREUESTPARTIALRATINGOFWALLSANDFLOOR/CEILINGREQUESTNO.5REASONFOREXEMPTIONREUEST:Classicalfireprotectionpracticeprovidescompletewalls,orfloor/ceilingassembliesthatarefireratedasbarriersbetweenadjacentfireareas.TheReactorBuildingFireAreasvaryinsizeandshapefromthosetypicallyfoundinnormalpractice,andtheneedforfireratedfireareaboundariesisbasedontheneedtoseparateredundantpaths.Whenfireratingisrequired,onlytheportionoftheboundarycommontothefireareaswithdifferentsafeshutdownpathsisfirerated(referenceFigures1.0through11.0inAppendixB).FIREZONESAFFECTED:FortheeffectedfirezonesseeTable5-1.JUSTIFICATION:OurFireBarrierAnalysisusesacombinationoffireratedbarriersandspatialseparation(wraparoundareas)toformfireratedfireareaboundaries.Theuseofpartialratingofwallsandfloor/ceilingsisconsistentwithouruseofspatialseparationandexplainedinAppendixB.EXEMPTION:Fireboundarieswhenanalyzedtoberequiredbetweenfireareasneedbeprotectedonlyfortheportionsofthewallorfloor/ceilingscommontothetwoareas.dgk/h187c3:de1 h*a LISTOFPARTIAL.RATINGOF'WALLSANDFLOOR/CEILINGBARRIERSEPARATINGFIREZONESReactorBuildinUnit/llFIREZONE/FIREZONE1-1E/1-3B-W1-1F/1-3B-W1-1E/1-3C-W1-lF/1-3C-W1-3A/1-4B1-3A/1-4G1-4A-W/1-5A-S1-4A-W/1-5A-W1-4A-N/1-5A-W1-5A-S/1-6A1-5A-S/1-6I1-5A-W/1-5EREF.FIG.INAPPENDIXB2,3892,3892,38102,3&103,4&113,4&114,5&104,5&94,5&105,6&115,6&115&10TABLE5-1dgk/hl87c3:del IIl~4II/Jh~PP1IIII'f'I~IILIrjfkL'IfclLII,I,Ifhh'fpg'"I'I'III'I LISTOFPARTIALRATINGOFWALLSANDFLOOR/CEILINGBARRIERSEPARATINGFIREZONESReactorBuildinUnit82FIREZONE/FIREZONEREF.FIG.INAPPENDIXB2-1E/2-3B-W2-1F/2-3B-W2-1E/2-3C-W2-1F/2-3C-W2-3B-N/2-4A-S2-3B-N/2-402-4A-W/2-5A-N2-4A-W/2-5A-W2-4A-S/2-5A-W2-6A/2-4G2-5A-S/2-6A2-5C/2-6A2-5A-W/2-5E2,3&92,3&92,3&92,3&93,4&113,4&ll4,5,9&104,5&94,5&97&115,6&115,6&ll5&10TABLE5-1dgk/h187c3:del P~4,"u APPENDIXREXEMPTIONREUESTNONFIREPROOFEDSTRUCTURALSTEELREQUESTNO.6REASONFOREXEMPTIONREUEST:WithintheUnit1and2ReactorBuildingsandControlStructureafewfloor/ceilingassembliesaretobeupgradedtoa3hourfiierating,toseparateredundantsafeshutdownequipment.Thestructuralsteelsupportingthesefloorsisnotprote'cted.FIREZONESAFFECTED:Thetablebelowprovidesalistoftheaffectedfirezones.For,detailsontheextentoftherequiredfireprotection,seeFigures1.0through11.0inAppendixB.FIREZONEBELOW/FIREZONEABOVEUnit81ReactorBuilding1-1E/1-3C-W1-1E/1-3B-W1-1F/1-3B-W1-1F/1-3C-W1-3A/1-4B1-3A/1-4G1-3B-W/1-4C1-3B-W/1-4D1-4A-N/1-5A-W1-4A-W/1-5A-,S1-4A-W/1-5A-W1-4A-W/1-5E1-4A-W/1-5F1-4A-W/1-5G1-5A-S/1-6A1-5A>>S/1-6ISPRINKLERPROTECTIONBELOWSTRUCTURALSTEELNoNoNoNoYesYesYesYesYesYes,"YesYesYesYesYesYesCOMBUSTIBLELOADINGFORFIREZONEBELOWSTRUCTURALSTEEL12min12min18min18min25min25min20min20min15min15min15min15min15min15min19min19minUnit82-ReactorBuilding2-1E/2-3B-W2-1E/2-3C-W2-1F/2-3B-W2-1F/2-3C-WNoNoNoNo13min13min18min18min IIdIPV'I~0Il1Alelf FIREZONEBELOW/'FIREZONEABOVESPRINKLERPROTECTIONBELOWSTRUCTURALSTEELREQUESTNO.6PAGE2COMBUSTIBLELOADINGUnit82-ReactorBuilding(Cont.)2-3B-N/2-4A-S,2-3B-N/2-4G2-3B-W/2-4C2-3B-W/2-4D2-4A-S/2-5A-W2-4A-W/2-5A-N2-4A-W/2-5A-W2-4G/2-5B2-4A-W/2-5E2-4A-W/2-5F2-4A-W/2-5G2-5A-S/2-6A2-5C/2-6A2-6A/2-4GYesYesYesYesYesYesYesNoYesYesYesYesNoNo16min16min16min16min15min15min15min4min15min15min15min6min6min6minControlStructureElevation'54'-0SupportSteelJUSTIFICATION:Yes62minUnit81andf!2ReactorBuildings:AllfirezoneshavesprinklerprotectionbelowtheexposedstructuralsteelexceptforFireZonesl-lE,1-1F,2-1E,2-1F2-4G,2-5Cand2-6A.Inthesefirezonesthemaximumcombustibleratingis18minutes,andminimaltransientcombustiblesareexpected.Finally,thein-situcombustiblesinthesefirezonesaregenerallylocatedneartheflooratadistancefromwherethestructuralsteelformingthefireareabarrierislocated.CONTROLSTRUCTURE:Automaticdetectionand,protectionisprovidedbelowtheexposedstructuralsteel.Thema)orityofthecombustiblesin,theareabelowtheexposedstructuralsteelarecables.'hemajorityofthecablesarelocatedeitherbelowtheraisedcomputerfloorintheControlRoomorin2hourfireratedcablechasesonthenorthandsouthwallsofthe,controlstructurewhereonlyonestructuralmemberiseffected.'Thereis'approximately20feetbetweentheraisedcomputerfloorandtheexposedstructuralsteelsupportingelevation754'-0.Finally,theControlRoomcomprisesthema)orityoftheareabeneaththissteelanditiscontinuallystaffed.Exposedstructuralsteelsupportingtheidentifiedfireareabarriersisacceptableanddoesnotrequirefireproofing.dgk/h188c3:del ~~4 '4APPENDIXREXEMPTIONREUESTFIRESPREADLIMITATIONSREQUESTNO.7REASONFOREXEMPTIONREUEST:Theanalysis.whichdeterminedwhichfirezoneboundariesrequiredfireratingassumedthatafirestartinginagivenfirezonecoulddamageequipmentinthenextad)acentfirezones(horizontallyandvertically)unlessfireratedboundarieswereprovided.Damagebeyondtheadjacentzonesviaasecondnon-ratedboundarywasnotconsidered.FIREZONEAFFECTED:ThisassumptionwasusedgenerallythroughouttheFireBarrierAnalysis.JUSTIFICATION:Thenon-ratedfirezoneboundarieshavesomenon-fireratedcomponentssuchasstructuralsteel,doors,HVACpenetrations,pipepenetrations,andseismicgapsseals.Theboundariesthemselves,however,areconstructedofreinforcedconcreteinexcessof8inches,anduse3hourfireratedcablepenetrations.Thenatureofthefirezoneboundariesaresuchthattheywouldbeexpectedtocontainminorfires.TheNRCprovidedthefollowingguidanceinanApril18,1985lettertoPP8L:"Thereassessmentofnon-ratedconstructionshouldbeinaccordancewithguidancepresentedatthesiteaudit.Thatis,toprovidereasonableassurancethatfirepropagationwillnotoccurbeyondnon-fire-ratedzoneboundaries,theboundariesshouldbeupgradedtobecontinuousbarrierswithafireratingsufficienttowithstandtheeffectsofafireinvolvingin-situandtransientcombustibles,withconservativemargin.Ifboundaryconstructionisnotupgraded,yourreassessmentshouldassumethatfirespreadwilloccurintothenextmostimmediatefirezone(horizontallyand/orvertically)."EXEMPTIONREUEST:Itmaybeassumedinthecaseofnon-ratedfireboundariesthatfirespreadwillonlyoccurintothenextmostimmediatefirezone(horizontallyandvertically),andthatdamagebeyondtheadjacentzonesviaasecondnon-ratedboundaryneednotbeconsidered.dgk/hl88c3:del Irv,b).,P4JIPbI~Ib)I)p>>It'J),)$~'r'4{<),IbIt~Vltl1I"'hII~{I))iI.~npI,{4kv)"I...t{)Ii'{,vr))>>A)4II).)VII{,~p{t)I)p,>>rq)ll,)IIJ))Ib)4~h4IX4'I4I>>4fIIh.~{44))II{)))g{'<)')i>>I'",'i1>{{jhippyIb>>L){jtjb~4I0I'*llil>>pbIh4II'II>>1~ll>>III'I14i'VVv4b,4')b41 SUSQUEHANNASTEAMELECTRICSTATION-UNITS182FIREPROTECTIONPROGRAM-CONCERN81DOCKETSNO.50-38750-388APPENDIXB-SiQPLEDOCUMENTATION APPENDIXBUnratedFireZoneBoundariesinallsafetyrelatedstructureswerereviewedtodeterminewhethertheyfunctionedasafireareabarrierandassuchwererequiredtobeupgradedtofireratedstatusinaccordancewithAppendixR.ForPurposesofthisAnalysisafireareawasdefinedasathreedimensionalvolumeboundedonallsideseitherbyfloors,wallsorceilingsusingfireratedconstructionorbya"buffer"firezonewhichprecludesthespreadofafire.A"buffer"firezonewasdefinedasafirezonewhichactsasasubdivisionoftwoadjacentfireareasandwhich,duetotheprotectionprovidedtotheessentialcablesinthefirezoneorthelackofanyessentialcablesinthefirezone,cansatisfythecriteriaforseparatingonesafeshutdownpathinonefireareafromanotherinthead]acentfirearea.AsamplesetofdocumentationisprovidedinAttachmentf/1,Figures1.0through11.0,fortheUnitfflandUnit82ReactorBuildings.TheFiguresinAttachmentillshowthosewallswhicharecurrentlyratedandrequiredtoberatedtosupportourAppendixRAnalysis,thosewallsandfloor/ceilingswhichmustbeupgradedtosupportourAppendixRanalysis,theWraparoundAreas,andforeachfirezone,thepathsavailableforachievingsafeshutdownandthein-situcombustibleloading.InreviewingthesedrawingsitcanreadilybeseenhowthefireareasinAttachment/32areformedandthatthefireareaboundariesmeetthecriteriadescribedabove.Thereweretwotypesof"Buffer"firezonesusedthroughouttheanalysis.ThefirsttypeistheWraparoundArea.TheWraparoundAreasareshownonFigures3.0,4.055.0.InUnit81theseWraparoundAreasfunctiontoseparateFireAreaR-1A(UnitPl)fromFireAreaR-1B(Unitf!1).ExemptionRequestNo.4inAppendixAprovidesthe)ustificationfortheuseoftheseWraparoundAreas.Thesecondtypeisbestdepictedbytheuseofanexample.RefertoFigure6.0.OnthisFigureitcanbeseenhowFireZone1-6D.Whichcontainsnoessentialcablesand,therefore,hasallpathsavailable,functionsasa"buffer"firezoneinseparatingFireZone1-6CinFireAreaR-1BfromFireZones1-6Eand1-2CinFireAreaR-lA.Other"buffer"firezonesaredescribedinAttachment2.Asdescribedabovespatialseparationisusedintwowaysthroughouttheanalysis.Thisuseofspatialseparationdictatesthatonlyportionsofsomefireareaboundariescommontotwofireareasneedtobefirerated.OnesuchcaseisshownonFigure9.0,wheretheslabonElevation683'-0isprotectedonlyintheareaofWraparoundArea1-3B-W.ProtectiononthisportionoftheslabisrequiredbecausethespatialseparationbetweenFireZone1-1FinFireAreaR-1AandFireZone1-3B-NinFireAreaR-1Bislessthan50feet.TheuseofpartialratingisjustifiedinExemptionRequestNo.5inAppendixB.sOurreanalysiswasbasedupontheconceptofusingvalidfireareastoassuretheavailabilityofasafeshutdownpathtocoldshutdownintheeventofafireinanygivenfirearea.AlistingofthefireareasineachsafetyrelatedbuildingiscontainedinAttachment82.tag/h253c3:del' g<<-4<<h)g~1I,h~31'I43rh'~<<.~Sr<<r)p~,SI,,hKK<<h3I,4~rgS<<f(Il<<3V'll."rJr)1,".S<<V-14I4~r1IIr'4I)II,KK~VEt<<4)II,Vgl44I'S.IVIV44~I~~.rT44I'I1>>.)I,lt,'I'I4>>'I<<I~~gI,)<<VI~4I~44"~41V"4<<,S)VTII3II314')S)3Ih'3l4344'4II4IV(4II<<4Ip,<<VP'I~~'3Irh4<<3I>>)r~'3ll~'111kg/JYIrSlI<<=I4<<F.<<I4', SUSQUEHANNASTEAMELECTRICSTATION-UNITSl52FIREPROTECTIONPROGRAM-CONCERNf/1DOCKETSNO.50-38750-388APPENDIXB-SAMPLEDOCUMENTATIONATTACHMENTNO.1 fdf,lNIf1,lf"'I~lfIfIITIffgI/pf SUSQUEHANNASTEAMELECTRICSTATION-UNITS1&2FIREPROTECTIONPROGRAM-CONCERNf!1DOCKETSNO.50-38750<<'388APPENDIXB-SAMPLEDOCUMENTATIONeATTACHMENTNO.2 ~-Ip~'g,Pi'rj LISTINGOFFIREZONESINEACHFIREAREAREACTORBUILDINGUNITglFIREAREAR-lAFIREAREAR-1B,FIREAREA'R-lC1-lA1-1F1-lG1-2A1-2C1-3A'.1-3B-S1-3B-W*1-3C-S1-3CM*1-4A-S1-4A-W',*1-4D1-4E1-5A-S1-5A-W*1-5E1-5G1-5H**1-6E6F**0-6H**7A**B**0-SA**1-lB1-lc1-1D1-1E.1-1I1-lJ1-2B1-2D1-3B-N1-3B-W*1-3C-N1-3C-W*1-4A-N1-4A-W'1-4B1-'4C1-4G1-5A-N1-5A-W.*1-5B1-5C1-5D1-5F1-6A**1-6C**6F**1-6I06G**0-SA*****4F****Thesefirezonesub-divisions,knownasWraparoundAreas,functionasafireratedbarrierseparatingfireareaR-lAfromR-lB.,**Thesefirezonescontainnosafe;,shutdowncablesandfunctionasa"buffer"firezone.***Thesefirezonesaretheprimarycontainmentandhaveaninertedatmosphere. >lAfff, REACTORBUILDINGUNIT52FIREAREAR-2AFIREAREAR-2BFIREAREAR-2C2-1B2-lF2-1G,2-1I2-2A2-2C2-3A2-3B-W*2-'3B-S2-3C-W*2-3C-S2-4A-W*2-4A-S2-4D2-4E2-4G~,2-,5A-W*2-5A-S2-5C2-5D2-5G2-5H2-6B**2-6E6F**2-7A**P8A**2-lA2-1C2-lD2-1E2-lJ2-3B-N2-3B-W*2-3C-N2-3C-W*2-4A-N2-4A-W*2-4B2-4C2-5A-N2-5A-W*2-5B2-5E'2-5F2-6A2-6C26D**6F**,27A**PBA**2c'2BH***4F*4**Thesefirezonesub-divisions,knownasWraparoundAreas,functionasafireratedbarrierseparatingfireareaR-2AfromR-2B.&**Thesefirezonescontainnosafe-shutdowncablesandfunctionasa"buffer"firezone.***Thesefirezonesaretheprimarycontainment.andhaveaninertedatmosphere. CONTROLSTRUCTUREFIREAREAFIREZONE(S)CS-1CS-2CS-3CS-4CS-6CS-7CS-8CS-9CS-10CS-llCS-12CS-13CS-14CS-15CS-16CS-17CS-18CS-19CS-20CS-21CS-22CS-23CS-24CS-25CS-26CS-27CS-280-21B,0-29A022Bg029CgD021Ag022Ag022C~023J024AGJ025AJE0-24I,Lc0-24K024J~025Bg026BgSg027Fg028P024LJM/'25CJDJ026C/D~026T/V027GgHg028Q~R0-28S026AgENgPgR0-27A-E0-28ASubzoneI(RoomC-613);.0-28C0-28E0-28G0-28H0-28J0-28BSubzoneI(RoomC-604)0-28M0-28N0-28ASubzoneII'(RoomsC-611,C-612)0-28T0-28D0-28F0.-28B.SubzoneII(RoomsC-605,C-606).0-28I0-28K0-28L029Bg,030Ag'B fg,'tl' DIESELGENERATORFIREAREAD-1D-2D-3D-4FIREZONE(S)0-41A0-41B0-41C0-41DESSWPUMPHOUSEE-1E-20-510-52 SUSQUEHANNASTEAMELECTRICSTATION-UNITS1&2FIREPROTECTIONPROGRAM-CONCERN81DOCKETSNO.50-38750-388APPENDIXC-FIREBARRIERSTOBEUPGRADED APPENDIXCLISTINGOFFIREZONEBOUNDARIESREUIRINGUPGRADEUNIT81-REACTORBUILDINGBARRIERBETWEENFIREZONE/FIREZONETYPECOMBUSTIBLELOADINGFIREZONE/FIREZONE1-1A/1-1B1-lE/1-3B-W1-1E/1-3C-W1-lE/1-1F1-1F/1-3B-W1-1F/1-3C-M1-2A/1-2B1-3A/1-3B-N1-3A/1-4B1-3A/1-4G1-4A-W/1-5A-W1-4A-N/1-5E1-4A-M/1-5A-S1-4A-S/1-4G1-4G/1-5A-S1-5A-M/1-5E1-5A-S/1-5B1-5A-S/1-6A1-5A-S/1-6I1-5D/1-5E1-3B-W/1-4D1-3B-M/1-4C1-4A-N/1-5A-M1-4A-W/1-5F1>>4A-W/1-5GWallSlabSlabWallKlabSlabWallMallSlabSlabSlabSlabSlabWallMallWallWallSlabSlabWallSlabSlabSlabSlabSlab10/1012/2012/912/1818/2018/910/525/20-25/1625/415/1915/1015/1915/44/1919/1019/319/619/5,None/1020/18*20/20*15/1915/16*15/10**StructuralSteelonly(ExemptionRequestfiled).

APPENDIXC-Cont.UNITI/2-REACTORBUILDINGBARRIERBETWEENFIREZONE/FIREZONETYPECOMBUSTIBLELOADINGFIREZONE/FIREZONE2-1A/2-1B2-1E/2-1F2<<1E/2-3B-W2-1E/2-3C-W2-1F/2-3B-W2-1F/2-3C-W2-2A/2-2B2-3A/2-3B;N2-3B-N/2-4A-S2-3B-N/2-4G2-3B-W/2-4C2-3B-W/2-4D2-4A-W/2-5A-N2-4A-W/2-5A-W2-4A-W/2-5E2-4A-W/2-5F2-4A-W/2-5G2-4A-N/2-4G2-4A-S/2-5A-W2-4G/2-4B2-4G/2-5A-N2-4G/2-5B2-4G/2-6A2-5A-W/2-5E2-5A-S/2-5B2-5A-S/2-6A2-5C/2-6A2-5D/2-5EWallWallSlabSlabSlabSlab:,WallWallSlabSlabSlabSlabSlabSlabSlabSlabSlabWallSlabWallWallWall/SlabWall/SlabWallWallSlabSlabWall7/1213/1813/1613/1118/1618/1113/530/1616/1516/416/29*16/24*15/1815/1815/915/16*15/10*15/415/184/164/184/34/618/918/318/66/61/9*StructuralSteelonly(ExemptionRequestfiled)tag/h253c3:del p'4Ih'lhhH SUSQUEHANNASTEAMELECTRICSTATION-UNITSl52FIREPROTECTIONPROGRAM-CONCERNPlDOCKETSNO.50-38750-388APPENDIXD-CONDUIT5RACEWAYREQUIRINGPROTECTION APPENDIXDTosupporttheFireBarrierAnalysis,insomecases,existingfirezoneswerereanalyzedbecauseofconflictswithadjacentfirezones.Thisreanalysisresultedinadjacentfirezoneswhichcontainedthesameshutdownpath.Intheprocessofperformingthisreanalysis,however,itwasdeterminedthatcertainracewaysrequiredadditionalprotectioninordertosupportthereanalysis.TableD.lprovidesalistingoftheseracewaysinthosefirezoneswhichwerereanalyzed.TheseracewayswillbewrappedperAppendixRcriteriaunlessadditionalsystemsanalysis,,canprovethatth'eseracewaysareacceptableasis.Inaddition,threeadditionalracewayswereidentifiedasrequiringprotectioninordertoprovidea.66footwidewraparoundAreainFireZone1-5A.TheseracewayswillbewrappedperAppendixRcriteriaandarelistedbelow:D1K010B1K009D1P025 hF),~r,,t*'I4IL'1I~)HH)IKHK'w4HrrK~F~rII44',F~f4,"IrI,Il~~4S\I(I"HF~)444~~4(HIPIg>>~FgI'Iqf4r APPENDIXD(Cont.)FIREZONE1-1D1-3A1-4A-S,EXISTINGPATHDiv.IIADS/CSDiv.IIHPCIDiv.IIHPCINEWPATHANALYZEDFORDiv.IADS/CSDiv.IIADS/CSDiv.IIADS/CSADDITIONALRACEWAYREQUIRINGPROTECTIONTOSUPPORTTHEAVAILABILITYOFTHENEWPATHNoneF1KL12,13,14,15F1KH14,15F1M321F1K036F1KR21F1KJ01,02,03F1K1181-4A-WDiv.IADS/CSDiv.IIHPCIDiv.IIADS/CSNone1-3B-N1-3B-W1-3B-S1-6A2-1D2-3B-W2-3B-S2-6DDiv.IRCICDiv.IRCICDiv.IRCICDiv.IRCICDiv.IIADS/CSDiv.IADS/CSDiv.IADS/CSDiv.IADS/CSDiv.IADS/CSDiv.IADS/CSDiv.IIADS/CSDiv.IIADS/CSDiv.IADS/CSDiv.IADS/CSDiv.IIADS/CSDiv.IIADS/CSDiv.IIADS/CSA1P019,E1K954C1P023,C1K057E1F137,C1F056NoneNoneNoneF2KH29,30,31,32F2PH29,30,31,32NoneNoneTABLED-1tag/h253c3:del ~fIIl'l'tl-fla'I"I LEGENOX-XX-XFIREZONEIDENTIFICATIONOXAVAILABLESNUTOOBN'PATN:01AOS/CSDIVISION.I02RCICDIVISION03ADS/CSDIVISIONII04NPCIDIVISIONII~XCONBIISTIDLELOADING(INMINUTES~)INPIREZONEINDICATESLIMITOFWRAPAROUNDAREAFIRERATINGCDLORCODING:RED-INDICATESEXISTI.NGBARRIERORANGEINDICATESBARRIERTOBEUPGRADED~Ava8M)le0~4pertmeGeeTr~ZRYURlFCA~ER.REVISIONCH.BYAPPROVEDER-ER-SCALE-DATE-DRAWN-CHECKED-LEADER-APPR'D.APPR'D.I$509'o6DQ(/-a/PING)YLVAttlAPOWDER6L1681':ONPANYALLENTOWN,PA.APPROVEDDECIMALFRACTIONALLOCATIONCODEDESCRIPTION 1k44JltpP5p~, mLA0032-IIQl0~0~04~M/A2-)HQlQ2OsQ4g~u/A~2-l40~O~;~7~l-lA0~0~~laM/A'~l-l8:g~loIIl~l-leQi~la,Cl-lI@OzO~O~~el~FL.ELG48'-0".:FL.L'o46'-0QlA~2-lV0>04~lS2-IFQlQ2O~Q~O~O~~280~0<~l8QlQzQl~CPe-0CQl.'z~i5CL.Q57A2k'->"2-13O~O~IOBAYS827-0=270'"Z6.53t.530.Z7.5I1FLOOF2PLAKI;iE'L.Q4~'-D25ER-ER-SCALE-DATE-DRAWN-222-t'~eAvailable0sQqpggggge'CaIcdQI@O~0<~hi/A'jE~Pm'PURECAIE0.6P'FIGURE,>.Op609okc~//-cNO.DATEER.DECIMALREVISIONRIACTIONALLOCATIONCODEiCH.BYAPPROVEDCHECKED-LEADER-APPR'D.APPR'D.PENNSYLVANIAPOWER6LIGHT(ONPAlIVALLENTOWN,PA.APPROVEDDESCRIPTION Il tc2-LT-QIIQ~O~~maE:L.GS9'-~e(gQzQsQa2-3k'~O4~soEL.703'-II"~2-II4OIO~'/A~2-3C-I4~2-'ll-II(g/[~<<~i@O~Q~EL.703ll"-IQecgQL-XgO>OI~e~mw~.'+gr1I.U~.Q>.QlQ2~coAlsoAvaggbleOmApertureQg4'DAPER%~CA]RD/r/r///0Q~a[1~2-3s-3~2-3'lb.y'<IrOsg'IWrrr/r/I-3I3%./'3ErINÃ'I/i-.ag~20g20gI-'lid0>0<O~04'35-0HO~2-1zgtO2osg43'5'-033'-0Z&'-Co"WRkPAROUND10BAAL82'7-0"=2'70-0kV,OUZOM'-&QoZ3.027.626.P3.ZOI=/GORE'v1FZZAUlhlCFLOORPLAU8E:L.&6'5'-0ER-ER-SCALE-DATE-DRAWN-g5Q9oca~ir-cpDATEER.REVISIONCH.BYAPPROVEDCHECKED-LEADER-APPR'D.APPR'D.PENH5VlVANIAPOWER6I.IGHT(OMPANYALLENTOWN,PA.APPROVEDDECIMALFRACTIONALLOCATIONCOOKDESCRIPTION

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