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:EVALUATION OFSELECTEDFIREDOORANDDOORFRAMEASSEMBLIES (SUPPLEMENT 1)BySamuelM.KnightPreparedfor:Pennsylvania PowerandLightCompany"Susquehanna SteamElectricStation"RoutellSalemTownship, Pennsylvania 15635August1985ApprovedBy~a-g(]~~P.H.DobsonSeniorEngineerFMRC,850904-85090b021i", ~000g87.., PDRAgQC5.',...PDR~FactoryMutualResearch1151Boston-Providence TurnpikeNorwood,Massachusetts 02062 11l11 FACTORYMUTUALRESEARCHCORPORATION TABLEOFCONTENTSSectionTitle~PaePURPOSESUMMARYANDCONCLUSIONS INTRODUCTION FIREDOORANDFRAMEEVALUATION RECOMMENDATIONS 12

FACTORYMUTUALRESEARCHCORPORATION PURPOSEAnevaluation ofselectedfiredoorsprotecting safetyrelatedareaswasconducted forthePennsylvania, PowerandLightCo.(PP&L)atSusquehanna SteamElectricStation,Units1&,2.Thepurposeoftheevaluation wastoexaminecertainunlabeled doorsandcomparethemwithlabeleddoorconstructions torenderanopinionontheirexpectedfireresistance. Thisevaluation wasrequested byPP&Lasasupplement totheoriginal'evaluation inaFactoryMutualreportdatedJanuary1985. 0 FACTORYMUTUALRESEARCHCORPORATION SUMMARYANDCONCLUSIONS 1.DoorNo.279onLevel676,hada3hourlabelattached. Thedoormaybeexpectedtoprovidethatlevelofprotection. 2.DoorNo.421onLevel719,hada3hourlabelattached. Thedoormaybe,expected toprovidethatlevelofprotection. 3.DoorNos.111and201,werecomparedtoDoorNo.279andfoundtobeofthesameconstruction andofthesamematerials, andwerejudgedtobeequivalent, hence,maybeexpectedtoprovideupto3hoursoffireresistance. 4.DoorNo.515onLevel749,wascomparedtoDoorNo.421andfoundtobeofthesameconstruction andofthesamematerials andwasjudgedtobeequivalent, hence,maybeexpectedtoprovideupto3hoursoffireresistance. 5.TomeetFMrecommendations, thelouverinDoorNo.606onElevation 779,shouldberemovedandtheopeningprotected. ThedoorwascomparedtoDoorNo.421,andifprotected asnotedinparagraph 2.3,maybeexpectedtoprovideuptol-l/2hour'sfireresistance. 6.Shoulditbenecessary tohaveadditional doorsatthissiteanalyzedastotheirexpectedfireresistance rating,thismaybeaccomplished byoneofthefollowing procedures: a.Fordoorsneedinguptoal-l/2hourequivalency; contactthemanufacturer andobtainwrittenconfirmation thatthedoorsinquestionandatleastonesimilardoorpreviously examinedbythewriterandqualified for1-1/2hourratingwerefabricated totheappropriate PP&Lspecification. Thisshouldbecorroborated bydetermining thatsizes,facesheetthickness andhingereinforcement thickness arethesame.Installation shallconformtotherequirements ofNFPAStandard80,"FireDoorsandWindows." b.Fordoorsneedinguptoa3hourequivalency; requestanadditional visitbythewritertodetermine thatperipheral channelframingandlatchreinforcements arethesameandthatinternalstiffener quantityandlocations arethesame. FACTORYMUTUALRESEARCHCORPORATION INTRODUCTION TheplantwasvisitedonMay7,1985.Thewriterwasaccompanied byMr.D.KohnofPP&L.Fourdoorsandframeswereexaminedduringthisvisit.Theassemblies werelocatedinUnit1and2ReactorBuildings. ThewriterisaProjectEngineerwith20years'xperience attheFactoryMutualResearchCorporation (FMRC).ThewriterhasservedontheNationalFireProtection Association "FireDoorsandWindows"Committee (NFPA80)for18years.Hisprimaryresponsibilities are:1)Testinganddetermination offireratingsforfiredoors;and2)Examination ofinstalled unlabeled doorstodetermine theirfireresistance ratingforbuildingauthorities. ~4fFACTORYMUTUALRESEARCHCORPORATION FIREDOORANDFRAMEEVALUATION Twolabeledfiredoorsandframes,andtwounlabeled firedoorsandframes,wereexaminedduringthisvisittotheSusquehanna SteamElectricStationattherequestofthePennsylvania PowerandLightCompany(PPGL).2.1DoorFrameAssemblies Allframeswerefoundtobefabricated inaccordance withtheAmericanNationalStandards Institute, StandardA155.1,andmaybeexpectedtoprovideupto3hoursfireresistance. 2.2FireDoorsUnlabeled firedoorswereexaminedbycomparing theirconstruction featureswithlabeledfiredoors.2.2.1DoorNos.111and201'IDoorNos.111and201werere-evaluated duringthisvisit.Theywerepreviously coveredintheFMRCreportdatedJanuary1985.Atthattime,thosedoorswerecomparedagainstal-l/2hourlabeleddoor(No.110atLevel670)and.ouropinionwasthatthesedoorscouldbeexpectedtoprovideatleastal-l/2hourfireresistance. DoorNo.279on'Level676.bears alabelindicating a3hourfireresistance. Theconstruction detailsofDoorNo.279werecomparedtoDoorNo.110withthefollowing results:1)Alldoorshadthesamedimensions (height,widthandthickness). 2)Internal'stiffeners weredetermined tobeapproximately 6in.to8in.oncenter.Thiswasdonebymeansofastethescope. 3)Facesheet,hingereinforcement andperipheral channelframingwerefoundtobeessentially thesame.Thiswasdonebymeansofaspecially adaptedmicrometer. I FACTORYMUTUALRESEARCHCORPORATION 2.2.2DoorNo.515DoorNo.515,onLevel749,wasnotlabeledandwasexaminedtocompareitsconstruction detailsagainstDoorNo.421usingthecriteriaoutlinedinParagraph 2.2.1.Door421hasa3hourlabel.Bothdoorshaveessentially thesameconstruction details.2.2.3DoorNo606DoorNo.606,onLevel779,wasexaminedtocompareitsconstruction againstDoorNo.421.DoorNo.606contained alouver(6in.x8in.)whichprecludes thedoorframehavinganyfireresistance, unlessmodified. AllotherdetailsasoutlinedinParagraph 2.2.1wereessentially thesamebetweenthesetwodoors.DoorNo.421isa3hourratedfiredoor.IfDoorNo.606ismodified, itcanprovideatleast1-1/2hour'sfireresistance. Themodification shouldconsistofattaching one18gagesteelplatetoeachdoorface.Theplateshouldbelargeenoughtooverlapthelouverby2in.onallsides.Fasteners shouldbesheetmetalscrews,spacednomorethan6in.oncenter. 4 FACTORYMUTUALRESEARCHCORPORATION IIIRECOMMENDATIONS 1.Ifafireresistance ratingofupto1-1/2hoursforDoorNo.606,onLevel779,isdesired,thelouvershouldbecoveredonbothfacesby18gagesteelplates,overlapping allsidesby2in.,fastenedbysheetmetalscrewsspacednomorethan6in.oncenter. I&~~E APPENDIXREXEMPTION REUESTWRAPAROUND AREAREQUESTNO.4REASONFOREXEMPTION REUEST:A66footwideWraparound Areaisprovidedbetweenredundant safeshutdownpathsonthenorthandsouthsidesoftheReactorBuildingonthreespecificelevations. ThisWraparound Areafunctions toseparatethenorthandsouth.portionsofthefirezonesontheseelevations byproviding spatialseparation. WithintheWraparound Areabothdivisionareprotected. Inaddition, duetothefireprotection featuresorlackofsignificant combustibles intheseareas,itisassumedthatfirespreadisconfinedtoa50'istance. FIREZONESAFFECTED: Allfirezonesareprovidedwithfiredetection. TheWraparound Areaisasubsetofafirezoneandislocatedeastofthecontainment withinthefirezone(seeFigures3.0,4.0and5.0inAppendixB).TheTablebelowprovidesadescription offireprotection featuresandcombustible loadingintheaffectedfirezones.FireZoneProtection ProvidedEssential RacewayCombustible Loading1-3B1-3C1-4A1-5A2-3B2-3C2-4A2-5A1hour/AS3hours1hour/AS3hours1hour/AS3hours1hour/AS1hour/AS20min9min15min19min16minllmin15min18minNotes:The1houror3hourreferstothefireratingoftheracewaywrapforessential safeshutdowncables."AS"indicates automatic sprinkler protection isprovided. Zone1-3Cand2-3Chaveacalculated in-situcombustible loadingof9and11minutes,andduetothecongestion andhighradiation, transient combustible loadingisexpectedtobeverylow.Therefore automatic sprinkler protection hasnotbeenprovided. Theareasnorthandsouthofthesewraparound areashavedifferent safeshutdownpathavailable. (i.e.Div.Ivs.Div.II).Withinthewraparound area,bothpathsareavailable sincea)eithercomponents ofbothpathsdonotexistorb)components ofbothpathsareprotected with mIl4I'mpIHiltI,VPN REQUESTNO.4PAGE2eithera3hourfireratedwrapora1hourfireratedwrapwithautomatic sprinklers. Toensurea50footwideseparation a66footwideareawaschosensinceconduitlocations havea+8foottolerance fromthelocationshownonthedrawing.JUSTIFICATION: Inordertodamageredundant shutdownpathsfiredamagemustspreadoveradistancegreaterthan50footwide.Suchdamageisnotconsidered

feasible, considering thegeneralarrangement, fireprotection, firedetection, andlowcombustible loadingsintheseareas.EXEMPTIONS REUEST:A66footwideWraparound AreaprovidedinFireZones1-3B,1-3C,1-4A,1-5A,2-3B,2-3C,2-4A,and2-5Aprovidesufficient protection toseparateredundant safeshutdownpaths,and,therefore, fireratedbarriersarenotrequired.

djk/h188c3:del ~~ pyI4IIII,I"'l'VfPaPIC,nIVN'I'KtI+4IIpIIp'>,IJJIIfp,'hAa'1e'Iilu' APPENDIXREXEMPTION REUESTPARTIALRATINGOFWALLSANDFLOOR/CEILING REQUESTNO.5REASONFOREXEMPTION REUEST:Classical fireprotection practiceprovidescompletewalls,orfloor/ceiling assemblies thatarefireratedasbarriersbetweenadjacentfireareas.TheReactorBuildingFireAreasvaryinsizeandshapefromthosetypically foundinnormalpractice, andtheneedforfireratedfireareaboundaries isbasedontheneedtoseparateredundant paths.Whenfireratingisrequired, onlytheportionoftheboundarycommontothefireareaswithdifferent safeshutdownpathsisfirerated(reference Figures1.0through11.0inAppendixB).FIREZONESAFFECTED: FortheeffectedfirezonesseeTable5-1.JUSTIFICATION: OurFireBarrierAnalysisusesacombination offireratedbarriersandspatialseparation (wraparound areas)toformfireratedfireareaboundaries. Theuseofpartialratingofwallsandfloor/ceilings isconsistent withouruseofspatialseparation andexplained inAppendixB.EXEMPTION: Fireboundaries whenanalyzedtoberequiredbetweenfireareasneedbeprotected onlyfortheportionsofthewallorfloor/ceilings commontothetwoareas.dgk/h187c3: de1 h*a LISTOFPARTIAL.RATINGOF'WALLSANDFLOOR/CEILING BARRIERSEPARATING FIREZONESReactorBuildinUnit/llFIREZONE/FIRE ZONE1-1E/1-3B-W 1-1F/1-3B-W 1-1E/1-3C-W 1-lF/1-3C-W 1-3A/1-4B 1-3A/1-4G1-4A-W/1-5A-S 1-4A-W/1-5A-W 1-4A-N/1-5A-W 1-5A-S/1-6A 1-5A-S/1-6I 1-5A-W/1-5E REF.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/CEILING BARRIERSEPARATING FIREZONESReactorBuildinUnit82FIREZONE/FIRE ZONEREF.FIG.INAPPENDIXB2-1E/2-3B-W 2-1F/2-3B-W 2-1E/2-3C-W 2-1F/2-3C-W 2-3B-N/2-4A-S 2-3B-N/2-40 2-4A-W/2-5A-N 2-4A-W/2-5A-W 2-4A-S/2-5A-W 2-6A/2-4G 2-5A-S/2-6A 2-5C/2-6A 2-5A-W/2-5E 2,3&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 APPENDIXREXEMPTION REUESTNONFIREPROOFED STRUCTURAL STEELREQUESTNO.6REASONFOREXEMPTION REUEST:WithintheUnit1and2ReactorBuildings andControlStructure afewfloor/ceiling assemblies aretobeupgradedtoa3hourfiierating,toseparateredundant safeshutdownequipment. Thestructural steelsupporting thesefloorsisnotprote'cted. FIREZONESAFFECTED: Thetablebelowprovidesalistoftheaffectedfirezones.For,detailsontheextentoftherequiredfireprotection, seeFigures1.0through11.0inAppendixB.FIREZONEBELOW/FIREZONEABOVEUnit81ReactorBuilding1-1E/1-3C-W 1-1E/1-3B-W 1-1F/1-3B-W 1-1F/1-3C-W 1-3A/1-4B 1-3A/1-4G 1-3B-W/1-4C 1-3B-W/1-4D 1-4A-N/1-5A-W 1-4A-W/1-5A-,S 1-4A-W/1-5A-W 1-4A-W/1-5E 1-4A-W/1-5F 1-4A-W/1-5G 1-5A-S/1-6A 1-5A>>S/1-6I SPRINKLER PROTECTION BELOWSTRUCTURAL STEELNoNoNoNoYesYesYesYesYesYes,"YesYesYesYesYesYesCOMBUSTIBLE LOADINGFORFIREZONEBELOWSTRUCTURAL STEEL12min12min18min18min25min25min20min20min15min15min15min15min15min15min19min19minUnit82-ReactorBuilding2-1E/2-3B-W 2-1E/2-3C-W 2-1F/2-3B-W 2-1F/2-3C-W NoNoNoNo13min13min18min18min IIdIPV'I~0Il1Alelf FIREZONEBELOW/'FIREZONEABOVESPRINKLER PROTECTION BELOWSTRUCTURAL STEELREQUESTNO.6PAGE2COMBUSTIBLE LOADINGUnit82-ReactorBuilding(Cont.)2-3B-N/2-4A-S ,2-3B-N/2-4G 2-3B-W/2-4C 2-3B-W/2-4D 2-4A-S/2-5A-W 2-4A-W/2-5A-N 2-4A-W/2-5A-W 2-4G/2-5B 2-4A-W/2-5E 2-4A-W/2-5F 2-4A-W/2-5G 2-5A-S/2-6A 2-5C/2-6A 2-6A/2-4G YesYesYesYesYesYesYesNoYesYesYesYesNoNo16min16min16min16min15min15min15min4min15min15min15min6min6min6minControlStructure Elevation'54'-0 SupportSteelJUSTIFICATION: Yes62minUnit81andf!2ReactorBuildings: Allfirezoneshavesprinkler protection belowtheexposedstructural steelexceptforFireZonesl-lE,1-1F,2-1E,2-1F2-4G,2-5Cand2-6A.Inthesefirezonesthemaximumcombustible ratingis18minutes,andminimaltransient combustibles areexpected. Finally,thein-situcombustibles inthesefirezonesaregenerally locatedneartheflooratadistancefromwherethestructural steelformingthefireareabarrierislocated.CONTROLSTRUCTURE: Automatic detection and,protection isprovidedbelowtheexposedstructural steel.Thema)orityofthecombustibles in,theareabelowtheexposedstructural steelarecables.'hemajorityofthecablesarelocatedeitherbelowtheraisedcomputerfloorintheControlRoomorin2hourfireratedcablechasesonthenorthandsouthwallsofthe,controlstructure whereonlyonestructural memberiseffected. 'Thereis'approximately 20feetbetweentheraisedcomputerfloorandtheexposedstructural steelsupporting elevation 754'-0.Finally,theControlRoomcomprises thema)orityoftheareabeneaththissteelanditiscontinually staffed.Exposedstructural steelsupporting theidentified fireareabarriersisacceptable anddoesnotrequirefireproofing. dgk/h188c3:del ~~4 '4APPENDIXREXEMPTION REUESTFIRESPREADLIMITATIONS REQUESTNO.7REASONFOREXEMPTION REUEST:Theanalysis.whichdetermined whichfirezoneboundaries requiredfireratingassumedthatafirestartinginagivenfirezonecoulddamageequipment inthenextad)acentfirezones(horizontally andvertically) unlessfireratedboundaries wereprovided. Damagebeyondtheadjacentzonesviaasecondnon-rated boundarywasnotconsidered. FIREZONEAFFECTED: Thisassumption wasusedgenerally throughout theFireBarrierAnalysis. JUSTIFICATION: Thenon-rated firezoneboundaries havesomenon-fireratedcomponents suchasstructural steel,doors,HVACpenetrations, pipepenetrations, andseismicgapsseals.Theboundaries themselves, however,areconstructed ofreinforced concreteinexcessof8inches,anduse3hourfireratedcablepenetrations. Thenatureofthefirezoneboundaries aresuchthattheywouldbeexpectedtocontainminorfires.TheNRCprovidedthefollowing guidanceinanApril18,1985lettertoPP8L:"Thereassessment ofnon-rated construction shouldbeinaccordance withguidancepresented atthesiteaudit.Thatis,toprovidereasonable assurance thatfirepropagation willnotoccurbeyondnon-fire-rated zoneboundaries, theboundaries shouldbeupgradedtobecontinuous barrierswithafireratingsufficient towithstand theeffectsofafireinvolving in-situandtransient combustibles, withconservative margin.Ifboundaryconstruction isnotupgraded, yourreassessment shouldassumethatfirespreadwilloccurintothenextmostimmediate firezone(horizontally and/orvertically)." EXEMPTION REUEST:Itmaybeassumedinthecaseofnon-rated fireboundaries thatfirespreadwillonlyoccurintothenextmostimmediate firezone(horizontally andvertically), andthatdamagebeyondtheadjacentzonesviaasecondnon-rated boundaryneednotbeconsidered. 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 SUSQUEHANNA STEAMELECTRICSTATION-UNITS182FIREPROTECTION PROGRAM-CONCERN81DOCKETSNO.50-38750-388APPENDIXB-SiQPLEDOCUMENTATION APPENDIXBUnratedFireZoneBoundaries inallsafetyrelatedstructures werereviewedtodetermine whethertheyfunctioned asafireareabarrierandassuchwererequiredtobeupgradedtofireratedstatusinaccordance withAppendixR.ForPurposesofthisAnalysisafireareawasdefinedasathreedimensional volumeboundedonallsideseitherbyfloors,wallsorceilingsusingfireratedconstruction orbya"buffer"firezonewhichprecludes thespreadofafire.A"buffer"firezonewasdefinedasafirezonewhichactsasasubdivision oftwoadjacentfireareasandwhich,duetotheprotection providedtotheessential cablesinthefirezoneorthelackofanyessential cablesinthefirezone,cansatisfythecriteriaforseparating onesafeshutdownpathinonefireareafromanotherinthead]acentfirearea.Asamplesetofdocumentation isprovidedinAttachment f/1,Figures1.0through11.0,fortheUnitfflandUnit82ReactorBuildings. TheFiguresinAttachment illshowthosewallswhicharecurrently ratedandrequiredtoberatedtosupportourAppendixRAnalysis, thosewallsandfloor/ceilings whichmustbeupgradedtosupportourAppendixRanalysis, theWraparound Areas,andforeachfirezone,thepathsavailable forachieving safeshutdownandthein-situcombustible loading.Inreviewing thesedrawingsitcanreadilybeseenhowthefireareasinAttachment /32areformedandthatthefireareaboundaries meetthecriteriadescribed above.Thereweretwotypesof"Buffer"firezonesusedthroughout theanalysis. ThefirsttypeistheWraparound Area.TheWraparound AreasareshownonFigures3.0,4.055.0.InUnit81theseWraparound AreasfunctiontoseparateFireAreaR-1A(UnitPl)fromFireAreaR-1B(Unitf!1).Exemption RequestNo.4inAppendixAprovidesthe)ustification fortheuseoftheseWraparound Areas.Thesecondtypeisbestdepictedbytheuseofanexample.RefertoFigure6.0.OnthisFigureitcanbeseenhowFireZone1-6D.Whichcontainsnoessential cablesand,therefore, hasallpathsavailable, functions asa"buffer"firezoneinseparating FireZone1-6CinFireAreaR-1BfromFireZones1-6Eand1-2CinFireAreaR-lA.Other"buffer"firezonesaredescribed inAttachment 2.Asdescribed abovespatialseparation isusedintwowaysthroughout theanalysis. Thisuseofspatialseparation dictatesthatonlyportionsofsomefireareaboundaries commontotwofireareasneedtobefirerated.OnesuchcaseisshownonFigure9.0,wheretheslabonElevation 683'-0isprotected onlyintheareaofWraparound Area1-3B-W.Protection onthisportionoftheslabisrequiredbecausethespatialseparation betweenFireZone1-1FinFireAreaR-1AandFireZone1-3B-NinFireAreaR-1Bislessthan50feet.Theuseofpartialratingisjustified inExemption RequestNo.5inAppendixB.sOurreanalysis wasbasedupontheconceptofusingvalidfireareastoassuretheavailability ofasafeshutdownpathtocoldshutdownintheeventofafireinanygivenfirearea.Alistingofthefireareasineachsafetyrelatedbuildingiscontained inAttachment 82.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', SUSQUEHANNA STEAMELECTRICSTATION-UNITSl52FIREPROTECTION PROGRAM-CONCERNf/1DOCKETSNO.50-38750-388APPENDIXB-SAMPLEDOCUMENTATION ATTACHMENT NO.1 fdf,lNIf1,lf"'I~lfIfIITIffgI/pf SUSQUEHANNA STEAMELECTRICSTATION-UNITS1&2FIREPROTECTION PROGRAM-CONCERNf!1DOCKETSNO.50-38750<<'388APPENDIXB-SAMPLEDOCUMENTATION eATTACHMENT NO.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, knownasWraparound Areas,functionasafireratedbarrierseparating fireareaR-lAfromR-lB.,**Thesefirezonescontainnosafe;,shutdown cablesandfunctionasa"buffer"firezone.***Thesefirezonesaretheprimarycontainment andhaveaninertedatmosphere. >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, knownasWraparound Areas,functionasafireratedbarrierseparating fireareaR-2AfromR-2B.&**Thesefirezonescontainnosafe-shutdowncablesandfunctionasa"buffer"firezone.***Thesefirezonesaretheprimarycontainment.

andhaveaninertedatmosphere. CONTROLSTRUCTURE FIREAREAFIREZONE(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'(Rooms C-611,C-612)0-28T0-28D0-28F0.-28B.Subzone II(RoomsC-605,C-606).0-28I0-28K0-28L029Bg,030Ag'B fg,'tl' DIESELGENERATOR FIREAREAD-1D-2D-3D-4FIREZONE(S)0-41A0-41B0-41C0-41DESSWPUMPHOUSE E-1E-20-510-52 SUSQUEHANNA STEAMELECTRICSTATION-UNITS1&2FIREPROTECTION PROGRAM-CONCERN81DOCKETSNO.50-38750-388APPENDIXC-FIREBARRIERSTOBEUPGRADED APPENDIXCLISTINGOFFIREZONEBOUNDARIES REUIRINGUPGRADEUNIT81-REACTORBUILDINGBARRIERBETWEENFIREZONE/FIRE ZONETYPECOMBUSTIBLE LOADINGFIREZONE/FIRE ZONE1-1A/1-1B 1-lE/1-3B-W 1-1E/1-3C-W 1-lE/1-1F 1-1F/1-3B-W 1-1F/1-3C-M 1-2A/1-2B 1-3A/1-3B-N 1-3A/1-4B 1-3A/1-4G 1-4A-W/1-5A-W 1-4A-N/1-5E 1-4A-M/1-5A-S 1-4A-S/1-4G 1-4G/1-5A-S 1-5A-M/1-5E 1-5A-S/1-5B 1-5A-S/1-6A 1-5A-S/1-6I 1-5D/1-5E 1-3B-W/1-4D 1-3B-M/1-4C 1-4A-N/1-5A-M 1-4A-W/1-5F 1>>4A-W/1-5G WallSlabSlabWallKlabSlabWallMallSlabSlabSlabSlabSlabWallMallWallWallSlabSlabWallSlabSlabSlabSlabSlab10/1012/2012/912/1818/2018/910/525/20-25/1625/415/1915/1015/1915/44/1919/1019/319/619/5,None/1020/18*20/20*15/1915/16*15/10**Structural Steelonly(Exemption Requestfiled).

APPENDIXC-Cont.UNITI/2-REACTORBUILDINGBARRIERBETWEENFIREZONE/FIRE ZONETYPECOMBUSTIBLE LOADINGFIREZONE/FIRE ZONE2-1A/2-1B 2-1E/2-1F 2<<1E/2-3B-W 2-1E/2-3C-W 2-1F/2-3B-W 2-1F/2-3C-W 2-2A/2-2B 2-3A/2-3B;N 2-3B-N/2-4A-S 2-3B-N/2-4G 2-3B-W/2-4C 2-3B-W/2-4D 2-4A-W/2-5A-N 2-4A-W/2-5A-W 2-4A-W/2-5E 2-4A-W/2-5F 2-4A-W/2-5G 2-4A-N/2-4G 2-4A-S/2-5A-W 2-4G/2-4B 2-4G/2-5A-N 2-4G/2-5B 2-4G/2-6A 2-5A-W/2-5E 2-5A-S/2-5B 2-5A-S/2-6A 2-5C/2-6A 2-5D/2-5E WallWallSlabSlabSlabSlab:,WallWallSlabSlabSlabSlabSlabSlabSlabSlabSlabWallSlabWallWallWall/Slab Wall/Slab WallWallSlabSlabWall7/1213/1813/1613/1118/1618/1113/530/1616/1516/416/29*16/24*15/1815/1815/915/16*15/10*15/415/184/164/184/34/618/918/318/66/61/9*Structural Steelonly(Exemption Requestfiled)tag/h253c3:del p'4Ih'lhhH SUSQUEHANNA STEAMELECTRICSTATION-UNITSl52FIREPROTECTION PROGRAM-CONCERNPlDOCKETSNO.50-38750-388APPENDIXD-CONDUIT5RACEWAYREQUIRING PROTECTION APPENDIXDTosupporttheFireBarrierAnalysis, insomecases,existingfirezoneswerereanalyzed becauseofconflicts withadjacentfirezones.Thisreanalysis resultedinadjacentfirezoneswhichcontained thesameshutdownpath.Intheprocessofperforming thisreanalysis, however,itwasdetermined thatcertainracewaysrequiredadditional protection inordertosupportthereanalysis. TableD.lprovidesalistingoftheseracewaysinthosefirezoneswhichwerereanalyzed. TheseracewayswillbewrappedperAppendixRcriteriaunlessadditional systemsanalysis,,can provethatth'eseracewaysareacceptable asis.Inaddition, threeadditional racewayswereidentified asrequiring protection inordertoprovidea.66footwidewraparound AreainFireZone1-5A.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/CSADDITIONAL RACEWAYREQUIRING PROTECTION TOSUPPORTTHEAVAILABILITY OFTHENEWPATHNoneF1KL12,13,14,15 F1KH14,15 F1M321F1K036F1KR21F1KJ01,02,03 F1K1181-4A-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,E1K954 C1P023,C1K057E1F137,C1F056NoneNoneNoneF2KH29,30,31,32 F2PH29,30,3 1,32NoneNoneTABLED-1tag/h253c3:del ~fIIl'l'tl-fla'I"I LEGENOX-XX-XFIREZONEIDENTIFICATION OXAVAILABLE SNUTOOBN'PATN: 01AOS/CSDIVISION.I 02RCICDIVISION03ADS/CSDIVISIONII04NPCIDIVISIONII~XCONBIISTIDLELOADING(INMINUTES~)INPIREZONEINDICATES LIMITOFWRAPAROUNDAREAFIRERATINGCDLORCODING:RED-INDICATES EXISTI.NG BARRIERORANGEINDICATES BARRIERTOBEUPGRADED~Ava8M)le0~4pertmeGeeTr~ZRYURlFCA~ER.REVISIONCH.BYAPPROVEDER-ER-SCALE-DATE-DRAWN-CHECKED-LEADER-APPR'D.APPR'D.I$509'o6DQ(/-a/PING)YLVAttlA POWDER6L1681':ONPANY ALLENTOWN, PA.APPROVEDDECIMALFRACTIONAL LOCATIONCODEDESCRIPTION 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'~eAvailable 0sQqpggggge 'CaIcdQI@O~0<~hi/A'jE~Pm'PURECAIE0.6P'FIGURE, >.Op609okc~//-cNO.DATEER.DECIMALREVISIONRIACTIONAL LOCATIONCODEiCH.BYAPPROVEDCHECKED-LEADER-APPR'D.APPR'D.PENNSYLVANIA POWER6LIGHT(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'v1FZZAUlhlC FLOORPLAU8E:L.&6'5'-0ER-ER-SCALE-DATE-DRAWN-g5Q9oca~ir-cp DATEER.REVISIONCH.BYAPPROVEDCHECKED-LEADER-APPR'D.APPR'D.PENH5VlVANIA POWER6I.IGHT(OMPANYALLENTOWN, PA.APPROVEDDECIMALFRACTIONAL LOCATIONCOOKDESCRIPTION

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