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{{#Wiki_filter:REQULORYINFOR~)1ATIONDISTRIBUTEBYBTEN(RIDB)'CCESSIONNBR:8607070388DQC.DATE:86/06/26NOTARIZED:YEBDOCKET0FACIL:50-410NineNilePointNuclearStation>Unit2>Niagaraaloha05000410AUTH.NANEAUTHORAFFILIATIONNANGAN>C.V.NiagavaNohawl:PowerCovp.RECIPNANERECIPIENTAFFILIATIONADENSAN>E.Q.BllRPvobjectDivectovate3
{{#Wiki_filter:REQULORYINFOR~)1ATION DISTRIBUTE BYBTEN(RIDB)'CCESSION NBR:8607070388 DQC.DATE:86/06/26NOTARIZED:
YEBDOCKET0FACIL:50-410NineNilePointNuclearStation>Unit2>Niagaraaloha05000410AUTH.NANEAUTHORAFFILIATIONNANGAN>C.V.NiagavaNohawl:PowerCovp.RECIPNANERECIPIENT AFFILIATION ADENSAN>E.Q.BllRPvobjectDivectovate3


==SUBJECT:==
==SUBJECT:==
ForwardschangestoFBARSections9.5.18c9A.3v'efivepvotectionpvogv'amcavbondioxidesos>fovapploYal.ChangesvemovecommitmenttouseCQ2innonsafet'-relatedav'eas.FBARwillbeamendedinfuture.lJ/threeoversizeencls.DISTRIBUTIONCODE:B002DCOPIESRECEIVED:LTRENCLSIZE:TITLE:IicensingSubmittal:FireProtectionNOTES:RECIPlENTIDCODE/MANEBWRADTS0/JRPD3PDCQPIEBLTTRENCL11RECIPIENTIDCODE/NANEBWRPD3LAHAUQHEY>N01COPIESLTTRENCL1011INTERNAL:ACRBELD/HDB3100466101ADN/LFNBNRRSTANQ>JRQNi10331EXTERNALLPDRNSIC03051'RCPDR1102TOTALNUNBEROFCOPIESREQUIRED:LTTR20ENCL17 0Sf1il NIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVARDWEST,SYRACUSE.N,Y.13202/TELEPHONE(315)474-1511tJune25,1986(NMP2L0758)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorateNo.3U.S.NuclearRegulatoryCommission7920NorfolkAvenueWashington,DC20555
ForwardschangestoFBARSections9.5.18c9A.3v'efivepvotectionpvogv'amcavbondioxidesos>fovapploYal.ChangesvemovecommitmenttouseCQ2innonsafet'-related av'eas.FBARwillbeamendedinfuture.lJ/threeoversizeencls.DISTRIBUTION CODE:B002DCOPIESRECEIVED:
LTRENCLSIZE:TITLE:IicensingSubmittal:
FireProtection NOTES:RECIPlENTIDCODE/MANE BWRADTS0/JRPD3PDCQPIEBLTTRENCL11RECIPIENTIDCODE/NANE BWRPD3LAHAUQHEY>N01COPIESLTTRENCL1011INTERNAL:
ACRBELD/HDB3100466101ADN/LFNBNRRSTANQ>JRQNi10331EXTERNALLPDRNSIC03051'RCPDR1102TOTALNUNBEROFCOPIESREQUIRED:
LTTR20ENCL17 0Sf1il NIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE.
N,Y.13202/TELEPHONE (315)474-1511tJune25,1986(NMP2L0758)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorate No.3U.S.NuclearRegulatory Commission 7920NorfolkAvenueWashington, DC20555


==DearMs.Adensam:==
==DearMs.Adensam:==
Re:NineMilePointUnit2DocketNo.50-410TheNineMilePointUnit2FinalSafetyAnalysisReportdescribestheFireProtectionProgram.CarbondioxidesystemsareinstalledinbothsafetyrelatedandnonsafetyrelatedareasasdescribedinSections9.5.1.and9A.3.CarbondioxidesystemswillcomplywithNFPAStandard12forsafetyrelatedareas.PreoperationaltestingofthefourC02systemsinsafetyrelatedswitchgearroomsiscompleteandaccepted.Thesafetyrelatedroomsarepouredinplaceconcretestructures,whilethenonsafetyrelatedroomsusemasonarywalls.DuringthetestingofC02systemsinthesafetyrelatedareas,asexpected,apositivepressureoccurredintheroomsinordertomeetNFPA12concentrations.Thesepressuresmayexceedthedesignallowablevaluesforthenonsafetyrelatedmasonarywalls.Atthistime,weareevaluatingthesedesigns.TheuseoftheC02systeminthesenonsafetyrelatedareaswillbeunderstrictadministrativecontrolsunderthedirectcontroloftheStationShiftSupervisor.Intheinterim,weplantousebackuphosestreamsandportableextinguishersforprotectionofthesenonsafetyrelatedareas.NiagaraMohawkiscontinuingtopursuearesolution;however,weanticipatethatthedesignsolutioncouldgobeyondfuelload.Baseduponthisschedule,aFinalSafetyAnalysischangetoSections9.5.1and9A.3isprovidedinAttachment1forNuclearRegulatoryCommissionreviewandapproval.ThechangeremovesthecommitmenttouseC02inthenonsafetyrelatedareas,whichisstillconsistentwiththeStandardReviewPlan.Further,thischangedoesnotaffecttheTechnicalSpecifications.8b07070388860Ei261PDRADOCK05000410FPDR
Re:NineMilePointUnit2DocketNo.50-410TheNineMilePointUnit2FinalSafetyAnalysisReportdescribes theFireProtection Program.Carbondioxidesystemsareinstalled inbothsafetyrelatedandnonsafety relatedareasasdescribed inSections9.5.1.and9A.3.CarbondioxidesystemswillcomplywithNFPAStandard12forsafetyrelatedareas.Preoperational testingofthefourC02systemsinsafetyrelatedswitchgear roomsiscompleteandaccepted.
~~r4,~*IIII,tl4~~~I~~4444,I44IrCIIC~'4I Ms.ElinorG.AdensamPage2Assoonasthedesignsolutionisimplementedandtestingcomplete,theFinalSafetyAnalysisReportwillbeamendedtoreflecttheinstallationoftheC02protectionfornonsafetyrelatedareas.Verytrulyyours,C.V.MangaSeniorVicePresidentNLR:ja1737GAttachmentxc:R.A.Gramm,NRCResidentInspectorProjectFile(2) mIIkf'I(fC1L~~
Thesafetyrelatedroomsarepouredinplaceconcretestructures, whilethenonsafety relatedroomsusemasonarywalls.DuringthetestingofC02systemsinthesafetyrelatedareas,asexpected, apositivepressureoccurredintheroomsinordertomeetNFPA12concentrations.
UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterofNiagaraMohawkPowerCorporation)(NineMilePointUnit2)DocketNo.50-410AFFIDAVITC.V.Manan,beingdulysworn,statesthatheisSeniorVicePresidentofNiagaraMohawkPowerCorporation;thatheisauthorizedonthepartofsaidCorporationtosignandfilewiththeNuclearRegulatoryCommissionthedocumentsattachedhereto;andthatallsuchdocumentsaretrueandcorrecttothebestofhisknowledge,informationandbelief.Subscribedandsworn'obeforeme,aNotaryPgblicinandfortheStateofNewYorkandCountyofa.,thisg5'ayofC1986.Qlz5isNotaryPublicinandforaCounty,NewYorkyCo"'iIiSlNfkMIIip-'"HohePublicintheStateofHewYorfralifiedinOnondagaCo.No.47876&g.yCommissionExtnreaMarch30,1R!c VdTZN3H)YEN'kgAaYe:Hloei:QoQniaiHrQgdcHVNT8'CDail.o3agabnaa0nlb~l>>lcvgMl,06dowUtouqQo."~u;m:no3yM ATTACHMENT19.5.1.2.9CarbondioxidesystemsareprovidedforCategoryIequipmentroomsandwillcomplywithNFPAStandard12.Thelowpressurecarbondioxidesystemconsistsoftwo13-tonstoragetanks(300psigO'),refrigerationunit,valves,andpipingthatconveysC02tofixednozzlesatindividualhazards.Totalfloodingcarbondioxidesystemsareautomaticallyactuatedbycross-zonedsmokedetectors.Totalfloodingsystemsareprovidedfor:1.StandbyswitchgearroomsAandBandHPCSswitchgearroominthecontrolbuilding.2.600Vswitchgearroominthereactorbuilding.9A.3.6.5C02SuppressionSystems(NFPAStandard12)C02systemsareusedinallsafetyrelatedswitchgearrooms.C02systemscomplywithNFPAStandard12andtherequirementsofBTPCMEB9.5-1,SectionC.G.e.DisarmingofC02suppressionsystemswillcomplywiththerequirementsofBTPCMEB9.5-1,SectionC.2.j.  
Thesepressures mayexceedthedesignallowable valuesforthenonsafety relatedmasonarywalls.Atthistime,weareevaluating thesedesigns.TheuseoftheC02systeminthesenonsafety relatedareaswillbeunderstrictadministrative controlsunderthedirectcontroloftheStationShiftSupervisor.
Intheinterim,weplantousebackuphosestreamsandportableextinguishers forprotection ofthesenonsafety relatedareas.NiagaraMohawkiscontinuing topursuearesolution; however,weanticipate thatthedesignsolutioncouldgobeyondfuelload.Baseduponthisschedule, aFinalSafetyAnalysischangetoSections9.5.1and9A.3isprovidedinAttachment 1forNuclearRegulatory Commission reviewandapproval.
Thechangeremovesthecommitment touseC02inthenonsafety relatedareas,whichisstillconsistent withtheStandardReviewPlan.Further,thischangedoesnotaffecttheTechnical Specifications.
8b07070388 860Ei261PDRADOCK05000410FPDR
~~r4,~*IIII,tl4~~~I~~4444,I44IrCIIC~'4I Ms.ElinorG.AdensamPage2Assoonasthedesignsolutionisimplemented andtestingcomplete, theFinalSafetyAnalysisReportwillbeamendedtoreflecttheinstallation oftheC02protection fornonsafety relatedareas.Verytrulyyours,C.V.MangaSeniorVicePresident NLR:ja1737GAttachment xc:R.A.Gramm,NRCResidentInspector ProjectFile(2) mIIkf'I(fC1L~~
UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterofNiagaraMohawkPowerCorporation
)(NineMilePointUnit2)DocketNo.50-410AFFIDAVIT C.V.Manan,beingdulysworn,statesthatheisSeniorVicePresident ofNiagaraMohawkPowerCorporation; thatheisauthorized onthepartofsaidCorporation tosignandfilewiththeNuclearRegulatory Commission thedocuments attachedhereto;andthatallsuchdocuments aretrueandcorrecttothebestofhisknowledge, information andbelief.Subscribed andsworn'obeforeme,aNotaryPgblicinandfortheStateofNewYorkandCountyofa.,thisg5'ayofC1986.Qlz5isNotaryPublicinandforaCounty,NewYorkyCo"'iIiSlNfkMIIip-'"
HohePublicintheStateofHewYorfralifiedinOnondagaCo.No.47876&g.yCommission ExtnreaMarch30,1R!c VdTZN3H)YEN'kg AaYe:Hloei:QoQniaiHrQgdcHVNT8'CDail.o3agabnaa0nlb~l>>lcvgMl,06dowUtouqQo."~u;m:no3 yM ATTACHMENT 19.5.1.2.9 CarbondioxidesystemsareprovidedforCategoryIequipment roomsandwillcomplywithNFPAStandard12.Thelowpressurecarbondioxidesystemconsistsoftwo13-tonstoragetanks(300psigO'),refrigeration unit,valves,andpipingthatconveysC02tofixednozzlesatindividual hazards.Totalfloodingcarbondioxidesystemsareautomatically actuatedbycross-zoned smokedetectors.
Totalfloodingsystemsareprovidedfor:1.Standbyswitchgear roomsAandBandHPCSswitchgear roominthecontrolbuilding.
2.600Vswitchgear roominthereactorbuilding.
9A.3.6.5C02Suppression Systems(NFPAStandard12)C02systemsareusedinallsafetyrelatedswitchgear rooms.C02systemscomplywithNFPAStandard12andtherequirements ofBTPCMEB9.5-1,SectionC.G.e.Disarming ofC02suppression systemswillcomplywiththerequirements ofBTPCMEB9.5-1,SectionC.2.j.  
~1~4I~~~~~I4~  
~1~4I~~~~~I4~  
~~NineMilePointUnit2FSARmaximumallowable..Inanycase,cabletraywatersprinkler'ystemsareprovidedfortheseareas.Incalculatingfireloadingforthedieselgeneratorroom,afueloilpiperupturehasbeenassumedwiththeentirecontentsofthefueloildaytankspilledonthefloor.Itwasalsoconsideredthatallofthelubeoilcontainedinthecrankcaseoftheenginewouldleakout.Theseassumptionsresultedinafireloadingof2hr24min,whichisstilllessthanthe3-hrwallsthathavebeen.provided.Automaticpre-actionwatersprinklersystemshavebeenprovidedforthedieselgeneratorbuilding.Thenormalswitchgearbuildingalsohasahighfireloading,butitisJ.essthanthe3-brfirewallsthathavebeenprovide.d.Fireloadingforallotherareasisapproximately2hrorless.Inspiteofthelowfireloading,3-hrfirewallshavebeenprovidedwhereverseparationisrequiredordesirable.9A.3.1.2.5QetailedFireHazardsAnalysisbyBuildingThefollowingsectionsprovidethedetailedfirehazardsanalysisandasummar'yoftheeffectsoffiresinfirezones.Thissummaryshowsthatthefireprotectionsystemwillprovideadequateabilitytodetect,prevent,andsuppresspostulatedfireoutbreaksinandaroundtheplant.9A.3.1.2.5.1StandbyGasTreatmentBuildingIntroductionThestandbygastreatment(SGT)buildingisadjacenttothereactorbuilding.IthousestheSGTSunits,reactorbuildingventilationsupplyunit,andrailroadaccessbay,allofwhichareseparatedfromeachotherby3-hrfirewallsandfloors.ConstructionoftheSGTbuildingisdetailedinSection3.8.4.1.9.Safet-RelatedSstemsTheSGTSunitsaretheonlysafety-relatedequipmentinthisbuilding.Amendment9A.3-8  
~~NineMilePointUnit2FSARmaximumallowable
..Inanycase,cabletraywatersprinkler
'ystemsareprovidedfortheseareas.Incalculating fireloadingforthedieselgenerator room,afueloilpiperupturehasbeenassumedwiththeentirecontentsofthefueloildaytankspilledonthefloor.Itwasalsoconsidered thatallofthelubeoilcontained inthecrankcase oftheenginewouldleakout.Theseassumptions resultedinafireloadingof2hr24min,whichisstilllessthanthe3-hrwallsthathavebeen.provided.
Automatic pre-action watersprinkler systemshavebeenprovidedforthedieselgenerator building.
Thenormalswitchgear buildingalsohasahighfireloading,butitisJ.essthanthe3-brfirewallsthathavebeenprovide.d.
Fireloadingforallotherareasisapproximately 2hrorless.Inspiteofthelowfireloading,3-hrfirewallshavebeenprovidedwhereverseparation isrequiredordesirable.
9A.3.1.2.5 QetailedFireHazardsAnalysisbyBuildingThefollowing sectionsprovidethedetailedfirehazardsanalysisandasummar'yoftheeffectsoffiresinfirezones.Thissummaryshowsthatthefireprotection systemwillprovideadequateabilitytodetect,prevent,andsuppresspostulated fireoutbreaks inandaroundtheplant.9A.3.1.2.5.1StandbyGasTreatment BuildingIntroduction Thestandbygastreatment (SGT)buildingisadjacenttothereactorbuilding.
IthousestheSGTSunits,reactorbuildingventilation supplyunit,andrailroadaccessbay,allofwhichareseparated fromeachotherby3-hrfirewallsandfloors.Construction oftheSGTbuildingisdetailedinSection3.8.4.1.9.
Safet-RelatedSstemsTheSGTSunitsaretheonlysafety-related equipment inthisbuilding.
Amendment 9A.3-8  


NineMilePointUnit2FSARDuringnormaloperation,theopeningofoneheatventdoesnotresultinareleaseofradioactivitybecausetheexhaustfanmaintainstheturbinebuildingatanegativepressure.Intheeventofafirewithmultipleoperationoftheheatvents,thedesignobjectivesof10CFR100wouldnotbeexceeded.FireDetectionandSuressionSstemsEachareaoftheturbinebuildingisprotectedbyazoned,earlywarningsmokedetectionsystemarrangedtoalarmlocallyandinthecontrolroom.Automaticwet-pipesprinklersystemsareprovidedforprotectionofgeneralareasatel250ft0inand277ft6in.Asystemofsixautomaticallyoperatedfoamwatersprinklersystems(foaminjectionismanuallycontrolled)coverstheareaundertheturbinegeneratorbelowel306ft0in.Thesesystemswouldlayablanketoffoamonthefloorundertheturbinegeneratoratel277ft6intocoveranyaccumulationofburningorunburnedoilbeingdischargedfromaleakonthemachineandtoflowdownthesidesofthemachine'ndlayablanketoffoaminthecondenserpit,atel239ft4in.Thefoamwatersprinklersystemsutilizeopenfoamwatersprinklerheadsspacedtoachieveareacoverage,andthewaterphaseisactuatedautomaticallybyheatdetectors.Thewatersupplytothesystemsiscontrolledbyautomaticflowcontrolvalves.Thefoamconcentratepumpismanuallystarted.Twoequalcapacityfoampumpsareprovidedforthefoamwatersprinklersystems.Oneisonautomaticstandby.Twofoamconcentratetanksareprovidedforfoamwatersprinkersystemsandfoamhosereels.Toassistmanualfirefightingaroundtheturbinege'nerator,thewaterhosestationsinthevicinityoftheunitareprovidedwithpipedfoamconcentratesothateitherwaterorfoam'streamsareavailableatthesestations.CO<hosereelsarealsoprovided.Carbondioxidetotal-floodingsystemsare,'providedforthealternatorexciterenclosure,andthelubeoilreservoir.ManuallocalapplicationCO<systemsareprovidedforturbinebearingsandturbinelubeoilpiping.ManualwaterAmendment9A.3-15  
NineMilePointUnit2FSARDuringnormaloperation, theopeningofoneheatventdoesnotresultinareleaseofradioactivity becausetheexhaustfanmaintains theturbinebuildingatanegativepressure.
Intheeventofafirewithmultipleoperation oftheheatvents,thedesignobjectives of10CFR100wouldnotbeexceeded.
FireDetection andSuressionSstemsEachareaoftheturbinebuildingisprotected byazoned,earlywarningsmokedetection systemarrangedtoalarmlocallyandinthecontrolroom.Automatic wet-pipesprinkler systemsareprovidedforprotection ofgeneralareasatel250ft0inand277ft6in.Asystemofsixautomatically operatedfoamwatersprinkler systems(foaminjection ismanuallycontrolled) coverstheareaundertheturbinegenerator belowel306ft0in.Thesesystemswouldlayablanketoffoamonthefloorundertheturbinegenerator atel277ft6intocoveranyaccumulation ofburningorunburnedoilbeingdischarged fromaleakonthemachineandtoflowdownthesidesofthemachine'nd layablanketoffoaminthecondenser pit,atel239ft4in.Thefoamwatersprinkler systemsutilizeopenfoamwatersprinkler headsspacedtoachieveareacoverage, andthewaterphaseisactuatedautomatically byheatdetectors.
Thewatersupplytothesystemsiscontrolled byautomatic flowcontrolvalves.Thefoamconcentrate pumpismanuallystarted.Twoequalcapacityfoampumpsareprovidedforthefoamwatersprinkler systems.Oneisonautomatic standby.Twofoamconcentrate tanksareprovidedforfoamwatersprinkersystemsandfoamhosereels.Toassistmanualfirefighting aroundtheturbinege'nerator, thewaterhosestationsinthevicinityoftheunitareprovidedwithpipedfoamconcentrate sothateitherwaterorfoam'streamsareavailable atthesestations.
CO<hosereelsarealsoprovided.
Carbondioxidetotal-floodingsystemsare,'provided forthealternator exciterenclosure, andthelubeoilreservoir.
Manuallocalapplication CO<systemsareprovidedforturbinebearingsandturbinelubeoilpiping.ManualwaterAmendment 9A.3-15  


NineMilePointUnit2CESARManualwaterandCO~hosereelsandportableextinguiehersareprovidedforbackupprotection.Drainsarediscuss'edinSection9A.3.5.1.12.9A.3.1,2.5.9AuxiliaryBoilerBuildingYntroductianTheauxiliaryboilerbuildingisasingle-storystructurewithmetalsidingwalls,I.thousestwoelectricboilerswhichareutilizedduringstartupandshutdown,Ithasnointeriorwallsandcontainsonly5mallamountsofcombustibles,Theventilationsystemconsistsofoutsideaix'ntakelouversandpowerroofexhaustfans.Safet-RelatedEimentTheauxiliaryboilerbuildingdoesnotcontainanysafety-relatedequipment.PostFireAnalsisThereisnoequipmentinthisbuildingrequiredforsafeplantshutdown.RadioactiveReleaseAnalsisAfireintheaukiliaryboilerbuildingwillnotresultinexcessiveleakageofairborneradioactivity;thedesfgnobjectivesof10CFR100wouldnotbeexceeded.PireDetectionandSuressionThebuildingispxotectedbyanearlywaxning,smokedetectionsystemaxxangedtoalarmand..annunciateinthecontrolroom.Sincethefixehazardsanalysisindicatesavexylowquantityofcombustib'lesandsincetheareaiseasilyaccessibleformanualfirefighting,fixedprotectionhasnotbeenprovided.Materhosexeelsandportableextinguishersareprovidedforcompletebuildingcoverage.O'A.322~Ofgty<igloo0~~llf)1%'tIV+~~Sl~  
NineMilePointUnit2CESARManualwaterandCO~hosereelsandportableextinguiehers areprovidedforbackupprotection.
Drainsarediscuss'ed inSection9A.3.5.1.12.
9A.3.1,2.5.9Auxiliary BoilerBuildingYntroductian Theauxiliary boilerbuildingisasingle-story structure withmetalsidingwalls,I.thousestwoelectricboilerswhichareutilizedduringstartupandshutdown, Ithasnointeriorwallsandcontainsonly5mallamountsofcombustibles,Theventilation systemconsistsofoutsideaix'ntake louversandpowerroofexhaustfans.Safet-RelatedEimentTheauxiliary boilerbuildingdoesnotcontainanysafety-related equipment.
PostFireAnalsisThereisnoequipment inthisbuildingrequiredforsafeplantshutdown.
Radioactive ReleaseAnalsisAfireintheaukiliary boilerbuildingwillnotresultinexcessive leakageofairborneradioactivity; thedesfgnobjectives of10CFR100wouldnotbeexceeded.
PireDetection andSuressionThebuildingispxotectedbyanearlywaxning,smokedetection systemaxxangedtoalarmand..annunciate inthecontrolroom.Sincethefixehazardsanalysisindicates avexylowquantityofcombustib'les andsincetheareaiseasilyaccessible formanualfirefighting, fixedprotection hasnotbeenprovided.
Materhosexeelsandportableextinguishers areprovidedforcompletebuildingcoverage.
O'A.322~Ofgty<igloo0~~llf)1%'tIV+~~Sl~  


'NineMilePointUnit2FSAR9A.3.7.4PlantComputerRoomTheplantcomputerisnotsafetyrelated;itisnotrequiredtoshutdownthereactororlimitthe~releaseofradioactivitytotheenvironment.Thecomputerroomislocatedwithinthecontrolroompressureboundaryontherelayroomelevation.Thecomputerroomwallshaveglasspanelsandarenotfirerated.Therelayroomelevationofthecontrolroompressureboundaryisseparatedfromallotherareasby3-hrbarriers.Asmokedetectionsystemthatalarmsinthecontrolroomandanautomatictotal-floodingHalonsuppressionsystemhavebeenprovidedinthecomputerroom.ManualCOzandwaterhosereelsandportableextinguishersareavailableforbackup.9A.3.7.5SwitchgearRoomsRoomswithsafetyre'latedswitchgearareprotectedwithautomatictotal-flooding-COzextinguishingsystems.ManualCOzandwaterhosereelsandportableextinguishersareavailableforbackupprotection.Detectionsystemsannunciateinthecontrolroomandalarmlocally,Three-hourwallsseparateswitchgearroomsfromeachotherandfromtheremainderoftheplant.Manuallyactuatedsmokeremovalcapabilityisprovidedfornormalswitchgearbuildingandthecontrolbuildingswitchgearrooms.Forfurtherdetails,refertoSection9.4.Smokeremoval.capabilitywouldbeprovidedthroughtheuseofportablefansifrequiredforotherswitchgearrooms.9A.3.7.6RemoteSafety-RelatedPanelsUnit2hastworemoteshutdownroomsseparatedfromeachotherandotherplantareasby3-hrbarriers.Anautomaticfiredetectionsystemannunciatesinthecontrolroomandalarmslocally.;ManualCOzandwaterhosereelsandportableextinguishershavebeenprovidedoutsidethisroom.9A'.3.7.7Safety-RelatedBatteryRoomsBatteryroomsareseparatedfromeachotherandfromtheremainderoftheplantby3-hrfirewalls,whichareinexcessofthefireloadcalculated=inthefirehazardsanalysis.Allpenetrationshavea3-hrrating.Separateventilationsystemshavebeenprovidedforbatteryroomstolimithydrogenbuildupto2percentmaximum.Fanfailureisannunciatedinthecontrolroom.Rossofflowinitiatestheredundantfanandprintsoutonthecomputer.Amendment9A.3-56 04 NineNilePointVnit2PSARTABLE9A.3-6THNBINEBBILDINGFigureNom9A.3-6FA84PireArea(FA)orPireSubArea(FSA)Number740XLPireZoneEl277r-6<<TurbinebuildingnormalswitchgearroomwestArea1,720safety-RelatedEquipmentinAreaNoneNameNisceguipCabletraysInsul.Insul.70625,346FireHazardCombus-QuantitvtibleLbGalBtu/Lb12,00012,000TotalBtu(thousands'I0,472304152L=-312,624FireLoadingPireBarrier8equired220,3702.3hrDetectionSvstemSmokedetectionCrerSzonedExtinguishingSystem9A.3-6FA83726XLEl277'-6>>Turbinebuildingnormalswitchgearroomeast2,300NoneNiscequipNotorcontcolcentersCabletraysInsul.Fiber.Insul.97940248,01012,00010,00012,00011,7407,236576120595,104258,7403.2hrSmokedetectionccoss-zoned9A3-6FA50725NZEl288'-6>>Ventilationcoom5,160NoneBiseequipMotorsl'ablelray"Insu1.Insul.lnsul..1563610,45712,00010,00012,0001,072360125rl04L.127,71624,75219minSmokodetectiqn,9A.3-6FA509A.3-6FA509A.3-6FA50722NZ721NZ723HZ(A)724HZ(8)725NZ(C)El277'-6>>Condensatedemin-eralizerEl280'-6<<Off-gasroomEl277r-6>>HeaterbayAroom(similarforheaterhays8andC)2,345None4,0504,0504050Ncne4,840NoneNotorsCabletraysNotorsBiseequipCabletraysNotocsCabletraysInsul.Insul.Insul.Insul.Insul.Insul.Insul.726,37232085r06214,15210,00012,00010,00012,00012,00010,00012,000302,4966074463,270104982449,03472076464L-77,10415,94712min26,90020min12,3QQ10minSmokedetectionsmokedetoctionsmokedetection1of5 NineNilePointUnit2PSARTABLE9A.3-9(Cont)FigureNo.FireArea(Fh)orFireSubbrea(FSAB)PireZoneAreaNameSafety-BelatedEquipmentinArea<<vNameCombus-tibleFireHazardOuantitvLbGalBtu/LbTotalBtus(thousands'IFireLoadingfB~tuftvLFireBarrierBequiredDetectionSystemErtingujshingSvstem9A.3-7PA59951NMEl309'-0"6,535Truckloading6MSSstorageNoneMotorsInsul.1010,00010015NegligibleSmokedetectionAutomaticsprinklersystem9A.3-5PA70905NMEl261'uDeconarea6dirtyvorkshop4,750NoneMotorsInsul.10,000204NegligibleSmokedetectionAutomaticsprinklersystem9A.3-6PA70395XLEl279'-0"Radvastesvitch-gearroom2,250NoneCablesInsul.843612,0001012324499234minSmokedetection9A.3-6PA70390XG8El279~-Ou907NZBadvastecontrolroomand2,500NoneCablesInsul.1035012,0001242004968038minSmokeTotalfloodlnndetectionUnion9A.3-7FA70903NZEl306'OuDeconbldgHVACequipmentroom4,750NoneMiscequipInsul.2110,000210NegligibleSmokedetection9A.3-6PA58904NZEl287'uLMSevaporators650NoneNocombus-tiblesSmokedetection)TI5LPERmaZ,CABDAmendment3of3 NineNilePointUnit2FSARTABLE9A.3-10NORNALSMITCHGEARBUILDINGFigureNo.9A.3-4FA51PireArea(PA)orPireSubAreagFSA)NumberPireZoneAreaName601XLEl237',715GeneralareavestSafety-BelatedEquipmentinAreaNoneNameNisc.equip.CabletraysCombus-tibleInsul.Insul.FireHazardOuantitvLhGal79724,281Btu/Lb12,00012,000TotalBtutthousandsl9,564291372L300,936110,842FireLoadinggBt~uft~zPireBarrierRequiredfhrgmin1.4hpDetectionSystemSmokedetectioncross-zonedExtinguishingSstemI9A3-4PA529A-3-4FA53603NZEl237'-0<<1Abatteryroom830.None602XLEl23710<<4,590NoneGeneralareaeastCabletraysNisc.equip.NotorsBatteriesCabletraysInsul.Insul.Insul.StyreneInsul.39,83834171,9644,77312,00012,00012,00018,00012,000478,0564,09270482,21835,3525727692,628105,060111,6001.3hr1.4hrSmokedetectioncross-zonedSmokedetection9A3-4FA53603NZEl237'-0<<18batteryroom830NoneBatteriesCabletraysStyreneInsul.1,9645,86718,00012,00035,35270404-L105,756127,4201.6hrSmokedetection9A.3-4FA53603NZEl23710<<Room4A220NoneCabletraysInsul.1,73612,00020,83294,6951.2hrSmokedetectxon9A.3-4FA539A35PA789A.3-5PA79603NZEl237'-0<<Room4B220None613XLEl261'-0<<4,590NoneGeneralareaeast612XLEl261'-0<<4,820NoneGeneralareavestCabletraysBise.equip.CabletraysNotorcontrolcentersBise.equip.NotcrcontrolcentersCabletraysInsul.Insul.Insul.Piher.Insul.Fiber.Insul.1,7366,52258,8702334,31529758,05312,00012,000782,264706,44018,000194L788,89812,00051,78018,00012,0005,346696636753,76212,00020,83294,6951.2hr163,6752.1hr164,2202.1hrSaokedetectionSmokedetectioncross-zonedSmokedetectioncross-zonedTotalfloodingCOzTotalflooding~COxAmendment1of2~gg-c33}}
'NineMilePointUnit2FSAR9A.3.7.4PlantComputerRoomTheplantcomputerisnotsafetyrelated;itisnotrequiredtoshutdownthereactororlimitthe~releaseofradioactivity totheenvironment.
Thecomputerroomislocatedwithinthecontrolroompressureboundaryontherelayroomelevation.
Thecomputerroomwallshaveglasspanelsandarenotfirerated.Therelayroomelevation ofthecontrolroompressureboundaryisseparated fromallotherareasby3-hrbarriers.
Asmokedetection systemthatalarmsinthecontrolroomandanautomatic total-flooding Halonsuppression systemhavebeenprovidedinthecomputerroom.ManualCOzandwaterhosereelsandportableextinguishers areavailable forbackup.9A.3.7.5Switchgear RoomsRoomswithsafetyre'latedswitchgear areprotected withautomatic total-flooding-COzextinguishing systems.ManualCOzandwaterhosereelsandportableextinguishers areavailable forbackupprotection.
Detection systemsannunciate inthecontrolroomandalarmlocally,Three-hourwallsseparateswitchgear roomsfromeachotherandfromtheremainder oftheplant.Manuallyactuatedsmokeremovalcapability isprovidedfornormalswitchgear buildingandthecontrolbuildingswitchgear rooms.Forfurtherdetails,refertoSection9.4.Smokeremoval.capability wouldbeprovidedthroughtheuseofportablefansifrequiredforotherswitchgear rooms.9A.3.7.6RemoteSafety-Related PanelsUnit2hastworemoteshutdownroomsseparated fromeachotherandotherplantareasby3-hrbarriers.
Anautomatic firedetection systemannunciates inthecontrolroomandalarmslocally.;
ManualCOzandwaterhosereelsandportableextinguishers havebeenprovidedoutsidethisroom.9A'.3.7.7 Safety-Related BatteryRoomsBatteryroomsareseparated fromeachotherandfromtheremainder oftheplantby3-hrfirewalls,whichareinexcessofthefireloadcalculated
=inthefirehazardsanalysis.
Allpenetrations havea3-hrrating.Separateventilation systemshavebeenprovidedforbatteryroomstolimithydrogenbuildupto2percentmaximum.Fanfailureisannunciated inthecontrolroom.Rossofflowinitiates theredundant fanandprintsoutonthecomputer.
Amendment 9A.3-56 04 NineNilePointVnit2PSARTABLE9A.3-6THNBINEBBILDINGFigureNom9A.3-6FA84PireArea(FA)orPireSubArea(FSA)Number740XLPireZoneEl277r-6<<Turbinebuildingnormalswitchgear roomwestArea1,720safety-RelatedEquipment inAreaNoneNameNisceguipCabletraysInsul.Insul.70625,346FireHazardCombus-QuantitvtibleLbGalBtu/Lb12,00012,000TotalBtu(thousands'I 0,472304152L=-312,624FireLoadingPireBarrier8equired220,3702.3hrDetection SvstemSmokedetection CrerSzonedExtinguishing System9A.3-6FA83726XLEl277'-6>>Turbinebuildingnormalswitchgear roomeast2,300NoneNiscequipNotorcontcolcentersCabletraysInsul.Fiber.Insul.97940248,01012,00010,00012,00011,7407,236576120595,104258,7403.2hrSmokedetection ccoss-zoned9A3-6FA50725NZEl288'-6>>Ventilation coom5,160NoneBiseequipMotorsl'ablelray"Insu1.Insul.lnsul..1563610,45712,00010,00012,0001,072360125rl04L.127,71624,75219minSmokodetectiqn
,9A.3-6FA509A.3-6FA509A.3-6FA50722NZ721NZ723HZ(A)724HZ(8)725NZ(C)El277'-6>>Condensate demin-eralizerEl280'-6<<Off-gasroomEl277r-6>>HeaterbayAroom(similarforheaterhays8andC)2,345None4,0504,0504050Ncne4,840NoneNotorsCabletraysNotorsBiseequipCabletraysNotocsCabletraysInsul.Insul.Insul.Insul.Insul.Insul.Insul.726,37232085r06214,15210,00012,00010,00012,00012,00010,00012,000302,4966074463,270104982449,03472076464L-77,10415,94712min26,90020min12,3QQ10minSmokedetection smokedetoction smokedetection 1of5 NineNilePointUnit2PSARTABLE9A.3-9(Cont)FigureNo.FireArea(Fh)orFireSubbrea(FSAB)PireZoneAreaNameSafety-BelatedEquipment inArea<<vNameCombus-tibleFireHazardOuantitvLbGalBtu/LbTotalBtus(thousands'I FireLoadingfB~tuftvLFireBarrierBequiredDetection SystemErtingujshingSvstem9A.3-7PA59951NMEl309'-0"6,535Truckloading6MSSstorageNoneMotorsInsul.1010,00010015NegligibleSmokedetection Automatic sprinkler system9A.3-5PA70905NMEl261'uDeconarea6dirtyvorkshop4,750NoneMotorsInsul.10,000204Negligible SmokedetectionAutomatic sprinkler system9A.3-6PA70395XLEl279'-0"Radvastesvitch-gearroom2,250NoneCablesInsul.843612,0001012324499234minSmokedetection 9A.3-6PA70390XG8El279~-Ou907NZBadvastecontrolroomand2,500NoneCablesInsul.1035012,0001242004968038minSmokeTotalfloodlnndetection Union9A.3-7FA70903NZEl306'OuDeconbldgHVACequipment room4,750NoneMiscequipInsul.2110,000210Negligible Smokedetection 9A.3-6PA58904NZEl287'uLMSevaporators 650NoneNocombus-tiblesSmokedetection
)TI5LPERmaZ,CABDAmendment 3of3 NineNilePointUnit2FSARTABLE9A.3-10NORNALSMITCHGEAR BUILDINGFigureNo.9A.3-4FA51PireArea(PA)orPireSubAreagFSA)NumberPireZoneAreaName601XLEl237',715GeneralareavestSafety-BelatedEquipment inAreaNoneNameNisc.equip.CabletraysCombus-tibleInsul.Insul.FireHazardOuantitvLhGal79724,281Btu/Lb12,00012,000TotalBtutthousandsl 9,564291372L300,936110,842FireLoadinggBt~uft~z PireBarrierRequiredfhrgmin1.4hpDetection SystemSmokedetection cross-zoned Extinguishing SstemI9A3-4PA529A-3-4FA53603NZEl237'-0<<1Abatteryroom830.None602XLEl23710<<4,590NoneGeneralareaeastCabletraysNisc.equip.NotorsBatteries CabletraysInsul.Insul.Insul.StyreneInsul.39,83834171,9644,77312,00012,00012,00018,00012,000478,0564,09270482,21835,3525727692,628105,060111,6001.3hr1.4hrSmokedetection cross-zonedSmokedetection 9A3-4FA53603NZEl237'-0<<18batteryroom830NoneBatteries CabletraysStyreneInsul.1,9645,86718,00012,00035,35270404-L105,756127,4201.6hrSmokedetection 9A.3-4FA53603NZEl23710<<Room4A220NoneCabletraysInsul.1,73612,00020,83294,6951.2hrSmokedetectxon 9A.3-4FA539A35PA789A.3-5PA79603NZEl237'-0<<Room4B220None613XLEl261'-0<<4,590NoneGeneralareaeast612XLEl261'-0<<4,820NoneGeneralareavestCabletraysBise.equip.CabletraysNotorcontrolcentersBise.equip.NotcrcontrolcentersCabletraysInsul.Insul.Insul.Piher.Insul.Fiber.Insul.1,7366,52258,8702334,31529758,05312,00012,000782,264706,44018,000194L788,89812,00051,78018,00012,0005,346696636753,76212,00020,83294,6951.2hr163,6752.1hr164,2202.1hrSaokedetection Smokedetection cross-zonedSmokedetection cross-zonedTotalfloodingCOzTotalflooding~COxAmendment 1of2~gg-c33}}

Revision as of 02:47, 29 June 2018

Forwards Changes to FSAR Sections 9.5.1 & 9A.3 Re Fire Protection Program Carbon Dioxide Sys,For Approval.Changes Remove Commitment to Use CO2 in nonsafety-related Areas.Fsar Will Be Amended in Future.W/Three Oversize Encls
ML18038A176
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 06/26/1986
From: MANGAN C V
NIAGARA MOHAWK POWER CORP.
To: ADENSAM E G
Office of Nuclear Reactor Regulation
References
(NMP2L-0758), (NMP2L-758), NUDOCS 8607070388
Download: ML18038A176 (21)
v • d • e


Text

REQULORYINFOR~)1ATION DISTRIBUTE BYBTEN(RIDB)'CCESSION NBR:8607070388 DQC.DATE:86/06/26NOTARIZED:

YEBDOCKET0FACIL:50-410NineNilePointNuclearStation>Unit2>Niagaraaloha05000410AUTH.NANEAUTHORAFFILIATIONNANGAN>C.V.NiagavaNohawl:PowerCovp.RECIPNANERECIPIENT AFFILIATION ADENSAN>E.Q.BllRPvobjectDivectovate3

SUBJECT:

ForwardschangestoFBARSections9.5.18c9A.3v'efivepvotectionpvogv'amcavbondioxidesos>fovapploYal.ChangesvemovecommitmenttouseCQ2innonsafet'-related av'eas.FBARwillbeamendedinfuture.lJ/threeoversizeencls.DISTRIBUTION CODE:B002DCOPIESRECEIVED:

LTRENCLSIZE:TITLE:IicensingSubmittal:

FireProtection NOTES:RECIPlENTIDCODE/MANE BWRADTS0/JRPD3PDCQPIEBLTTRENCL11RECIPIENTIDCODE/NANE BWRPD3LAHAUQHEY>N01COPIESLTTRENCL1011INTERNAL:

ACRBELD/HDB3100466101ADN/LFNBNRRSTANQ>JRQNi10331EXTERNALLPDRNSIC03051'RCPDR1102TOTALNUNBEROFCOPIESREQUIRED:

LTTR20ENCL17 0Sf1il NIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE.

N,Y.13202/TELEPHONE (315)474-1511tJune25,1986(NMP2L0758)Ms.ElinorG.Adensam,DirectorBWRProjectDirectorate No.3U.S.NuclearRegulatory Commission 7920NorfolkAvenueWashington, DC20555

DearMs.Adensam:

Re:NineMilePointUnit2DocketNo.50-410TheNineMilePointUnit2FinalSafetyAnalysisReportdescribes theFireProtection Program.Carbondioxidesystemsareinstalled inbothsafetyrelatedandnonsafety relatedareasasdescribed inSections9.5.1.and9A.3.CarbondioxidesystemswillcomplywithNFPAStandard12forsafetyrelatedareas.Preoperational testingofthefourC02systemsinsafetyrelatedswitchgear roomsiscompleteandaccepted.

Thesafetyrelatedroomsarepouredinplaceconcretestructures, whilethenonsafety relatedroomsusemasonarywalls.DuringthetestingofC02systemsinthesafetyrelatedareas,asexpected, apositivepressureoccurredintheroomsinordertomeetNFPA12concentrations.

Thesepressures mayexceedthedesignallowable valuesforthenonsafety relatedmasonarywalls.Atthistime,weareevaluating thesedesigns.TheuseoftheC02systeminthesenonsafety relatedareaswillbeunderstrictadministrative controlsunderthedirectcontroloftheStationShiftSupervisor.

Intheinterim,weplantousebackuphosestreamsandportableextinguishers forprotection ofthesenonsafety relatedareas.NiagaraMohawkiscontinuing topursuearesolution; however,weanticipate thatthedesignsolutioncouldgobeyondfuelload.Baseduponthisschedule, aFinalSafetyAnalysischangetoSections9.5.1and9A.3isprovidedinAttachment 1forNuclearRegulatory Commission reviewandapproval.

Thechangeremovesthecommitment touseC02inthenonsafety relatedareas,whichisstillconsistent withtheStandardReviewPlan.Further,thischangedoesnotaffecttheTechnical Specifications.

8b07070388 860Ei261PDRADOCK05000410FPDR

~~r4,~*IIII,tl4~~~I~~4444,I44IrCIIC~'4I Ms.ElinorG.AdensamPage2Assoonasthedesignsolutionisimplemented andtestingcomplete, theFinalSafetyAnalysisReportwillbeamendedtoreflecttheinstallation oftheC02protection fornonsafety relatedareas.Verytrulyyours,C.V.MangaSeniorVicePresident NLR:ja1737GAttachment xc:R.A.Gramm,NRCResidentInspector ProjectFile(2) mIIkf'I(fC1L~~

UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterofNiagaraMohawkPowerCorporation

)(NineMilePointUnit2)DocketNo.50-410AFFIDAVIT C.V.Manan,beingdulysworn,statesthatheisSeniorVicePresident ofNiagaraMohawkPowerCorporation; thatheisauthorized onthepartofsaidCorporation tosignandfilewiththeNuclearRegulatory Commission thedocuments attachedhereto;andthatallsuchdocuments aretrueandcorrecttothebestofhisknowledge, information andbelief.Subscribed andsworn'obeforeme,aNotaryPgblicinandfortheStateofNewYorkandCountyofa.,thisg5'ayofC1986.Qlz5isNotaryPublicinandforaCounty,NewYorkyCo"'iIiSlNfkMIIip-'"

HohePublicintheStateofHewYorfralifiedinOnondagaCo.No.47876&g.yCommission ExtnreaMarch30,1R!c VdTZN3H)YEN'kg AaYe:Hloei:QoQniaiHrQgdcHVNT8'CDail.o3agabnaa0nlb~l>>lcvgMl,06dowUtouqQo."~u;m:no3 yM ATTACHMENT 19.5.1.2.9 CarbondioxidesystemsareprovidedforCategoryIequipment roomsandwillcomplywithNFPAStandard12.Thelowpressurecarbondioxidesystemconsistsoftwo13-tonstoragetanks(300psigO'),refrigeration unit,valves,andpipingthatconveysC02tofixednozzlesatindividual hazards.Totalfloodingcarbondioxidesystemsareautomatically actuatedbycross-zoned smokedetectors.

Totalfloodingsystemsareprovidedfor:1.Standbyswitchgear roomsAandBandHPCSswitchgear roominthecontrolbuilding.

2.600Vswitchgear roominthereactorbuilding.

9A.3.6.5C02Suppression Systems(NFPAStandard12)C02systemsareusedinallsafetyrelatedswitchgear rooms.C02systemscomplywithNFPAStandard12andtherequirements ofBTPCMEB9.5-1,SectionC.G.e.Disarming ofC02suppression systemswillcomplywiththerequirements ofBTPCMEB9.5-1,SectionC.2.j.

~1~4I~~~~~I4~

~~NineMilePointUnit2FSARmaximumallowable

..Inanycase,cabletraywatersprinkler

'ystemsareprovidedfortheseareas.Incalculating fireloadingforthedieselgenerator room,afueloilpiperupturehasbeenassumedwiththeentirecontentsofthefueloildaytankspilledonthefloor.Itwasalsoconsidered thatallofthelubeoilcontained inthecrankcase oftheenginewouldleakout.Theseassumptions resultedinafireloadingof2hr24min,whichisstilllessthanthe3-hrwallsthathavebeen.provided.

Automatic pre-action watersprinkler systemshavebeenprovidedforthedieselgenerator building.

Thenormalswitchgear buildingalsohasahighfireloading,butitisJ.essthanthe3-brfirewallsthathavebeenprovide.d.

Fireloadingforallotherareasisapproximately 2hrorless.Inspiteofthelowfireloading,3-hrfirewallshavebeenprovidedwhereverseparation isrequiredordesirable.

9A.3.1.2.5 QetailedFireHazardsAnalysisbyBuildingThefollowing sectionsprovidethedetailedfirehazardsanalysisandasummar'yoftheeffectsoffiresinfirezones.Thissummaryshowsthatthefireprotection systemwillprovideadequateabilitytodetect,prevent,andsuppresspostulated fireoutbreaks inandaroundtheplant.9A.3.1.2.5.1StandbyGasTreatment BuildingIntroduction Thestandbygastreatment (SGT)buildingisadjacenttothereactorbuilding.

IthousestheSGTSunits,reactorbuildingventilation supplyunit,andrailroadaccessbay,allofwhichareseparated fromeachotherby3-hrfirewallsandfloors.Construction oftheSGTbuildingisdetailedinSection3.8.4.1.9.

Safet-RelatedSstemsTheSGTSunitsaretheonlysafety-related equipment inthisbuilding.

Amendment 9A.3-8

NineMilePointUnit2FSARDuringnormaloperation, theopeningofoneheatventdoesnotresultinareleaseofradioactivity becausetheexhaustfanmaintains theturbinebuildingatanegativepressure.

Intheeventofafirewithmultipleoperation oftheheatvents,thedesignobjectives of10CFR100wouldnotbeexceeded.

FireDetection andSuressionSstemsEachareaoftheturbinebuildingisprotected byazoned,earlywarningsmokedetection systemarrangedtoalarmlocallyandinthecontrolroom.Automatic wet-pipesprinkler systemsareprovidedforprotection ofgeneralareasatel250ft0inand277ft6in.Asystemofsixautomatically operatedfoamwatersprinkler systems(foaminjection ismanuallycontrolled) coverstheareaundertheturbinegenerator belowel306ft0in.Thesesystemswouldlayablanketoffoamonthefloorundertheturbinegenerator atel277ft6intocoveranyaccumulation ofburningorunburnedoilbeingdischarged fromaleakonthemachineandtoflowdownthesidesofthemachine'nd layablanketoffoaminthecondenser pit,atel239ft4in.Thefoamwatersprinkler systemsutilizeopenfoamwatersprinkler headsspacedtoachieveareacoverage, andthewaterphaseisactuatedautomatically byheatdetectors.

Thewatersupplytothesystemsiscontrolled byautomatic flowcontrolvalves.Thefoamconcentrate pumpismanuallystarted.Twoequalcapacityfoampumpsareprovidedforthefoamwatersprinkler systems.Oneisonautomatic standby.Twofoamconcentrate tanksareprovidedforfoamwatersprinkersystemsandfoamhosereels.Toassistmanualfirefighting aroundtheturbinege'nerator, thewaterhosestationsinthevicinityoftheunitareprovidedwithpipedfoamconcentrate sothateitherwaterorfoam'streamsareavailable atthesestations.

CO<hosereelsarealsoprovided.

Carbondioxidetotal-floodingsystemsare,'provided forthealternator exciterenclosure, andthelubeoilreservoir.

Manuallocalapplication CO<systemsareprovidedforturbinebearingsandturbinelubeoilpiping.ManualwaterAmendment 9A.3-15

NineMilePointUnit2CESARManualwaterandCO~hosereelsandportableextinguiehers areprovidedforbackupprotection.

Drainsarediscuss'ed inSection9A.3.5.1.12.

9A.3.1,2.5.9Auxiliary BoilerBuildingYntroductian Theauxiliary boilerbuildingisasingle-story structure withmetalsidingwalls,I.thousestwoelectricboilerswhichareutilizedduringstartupandshutdown, Ithasnointeriorwallsandcontainsonly5mallamountsofcombustibles,Theventilation systemconsistsofoutsideaix'ntake louversandpowerroofexhaustfans.Safet-RelatedEimentTheauxiliary boilerbuildingdoesnotcontainanysafety-related equipment.

PostFireAnalsisThereisnoequipment inthisbuildingrequiredforsafeplantshutdown.

Radioactive ReleaseAnalsisAfireintheaukiliary boilerbuildingwillnotresultinexcessive leakageofairborneradioactivity; thedesfgnobjectives of10CFR100wouldnotbeexceeded.

PireDetection andSuressionThebuildingispxotectedbyanearlywaxning,smokedetection systemaxxangedtoalarmand..annunciate inthecontrolroom.Sincethefixehazardsanalysisindicates avexylowquantityofcombustib'les andsincetheareaiseasilyaccessible formanualfirefighting, fixedprotection hasnotbeenprovided.

Materhosexeelsandportableextinguishers areprovidedforcompletebuildingcoverage.

O'A.322~Ofgty<igloo0~~llf)1%'tIV+~~Sl~

'NineMilePointUnit2FSAR9A.3.7.4PlantComputerRoomTheplantcomputerisnotsafetyrelated;itisnotrequiredtoshutdownthereactororlimitthe~releaseofradioactivity totheenvironment.

Thecomputerroomislocatedwithinthecontrolroompressureboundaryontherelayroomelevation.

Thecomputerroomwallshaveglasspanelsandarenotfirerated.Therelayroomelevation ofthecontrolroompressureboundaryisseparated fromallotherareasby3-hrbarriers.

Asmokedetection systemthatalarmsinthecontrolroomandanautomatic total-flooding Halonsuppression systemhavebeenprovidedinthecomputerroom.ManualCOzandwaterhosereelsandportableextinguishers areavailable forbackup.9A.3.7.5Switchgear RoomsRoomswithsafetyre'latedswitchgear areprotected withautomatic total-flooding-COzextinguishing systems.ManualCOzandwaterhosereelsandportableextinguishers areavailable forbackupprotection.

Detection systemsannunciate inthecontrolroomandalarmlocally,Three-hourwallsseparateswitchgear roomsfromeachotherandfromtheremainder oftheplant.Manuallyactuatedsmokeremovalcapability isprovidedfornormalswitchgear buildingandthecontrolbuildingswitchgear rooms.Forfurtherdetails,refertoSection9.4.Smokeremoval.capability wouldbeprovidedthroughtheuseofportablefansifrequiredforotherswitchgear rooms.9A.3.7.6RemoteSafety-Related PanelsUnit2hastworemoteshutdownroomsseparated fromeachotherandotherplantareasby3-hrbarriers.

Anautomatic firedetection systemannunciates inthecontrolroomandalarmslocally.;

ManualCOzandwaterhosereelsandportableextinguishers havebeenprovidedoutsidethisroom.9A'.3.7.7 Safety-Related BatteryRoomsBatteryroomsareseparated fromeachotherandfromtheremainder oftheplantby3-hrfirewalls,whichareinexcessofthefireloadcalculated

=inthefirehazardsanalysis.

Allpenetrations havea3-hrrating.Separateventilation systemshavebeenprovidedforbatteryroomstolimithydrogenbuildupto2percentmaximum.Fanfailureisannunciated inthecontrolroom.Rossofflowinitiates theredundant fanandprintsoutonthecomputer.

Amendment 9A.3-56 04 NineNilePointVnit2PSARTABLE9A.3-6THNBINEBBILDINGFigureNom9A.3-6FA84PireArea(FA)orPireSubArea(FSA)Number740XLPireZoneEl277r-6<<Turbinebuildingnormalswitchgear roomwestArea1,720safety-RelatedEquipment inAreaNoneNameNisceguipCabletraysInsul.Insul.70625,346FireHazardCombus-QuantitvtibleLbGalBtu/Lb12,00012,000TotalBtu(thousands'I 0,472304152L=-312,624FireLoadingPireBarrier8equired220,3702.3hrDetection SvstemSmokedetection CrerSzonedExtinguishing System9A.3-6FA83726XLEl277'-6>>Turbinebuildingnormalswitchgear roomeast2,300NoneNiscequipNotorcontcolcentersCabletraysInsul.Fiber.Insul.97940248,01012,00010,00012,00011,7407,236576120595,104258,7403.2hrSmokedetection ccoss-zoned9A3-6FA50725NZEl288'-6>>Ventilation coom5,160NoneBiseequipMotorsl'ablelray"Insu1.Insul.lnsul..1563610,45712,00010,00012,0001,072360125rl04L.127,71624,75219minSmokodetectiqn

,9A.3-6FA509A.3-6FA509A.3-6FA50722NZ721NZ723HZ(A)724HZ(8)725NZ(C)El277'-6>>Condensate demin-eralizerEl280'-6<<Off-gasroomEl277r-6>>HeaterbayAroom(similarforheaterhays8andC)2,345None4,0504,0504050Ncne4,840NoneNotorsCabletraysNotorsBiseequipCabletraysNotocsCabletraysInsul.Insul.Insul.Insul.Insul.Insul.Insul.726,37232085r06214,15210,00012,00010,00012,00012,00010,00012,000302,4966074463,270104982449,03472076464L-77,10415,94712min26,90020min12,3QQ10minSmokedetection smokedetoction smokedetection 1of5 NineNilePointUnit2PSARTABLE9A.3-9(Cont)FigureNo.FireArea(Fh)orFireSubbrea(FSAB)PireZoneAreaNameSafety-BelatedEquipment inArea<<vNameCombus-tibleFireHazardOuantitvLbGalBtu/LbTotalBtus(thousands'I FireLoadingfB~tuftvLFireBarrierBequiredDetection SystemErtingujshingSvstem9A.3-7PA59951NMEl309'-0"6,535Truckloading6MSSstorageNoneMotorsInsul.1010,00010015NegligibleSmokedetection Automatic sprinkler system9A.3-5PA70905NMEl261'uDeconarea6dirtyvorkshop4,750NoneMotorsInsul.10,000204Negligible SmokedetectionAutomatic sprinkler system9A.3-6PA70395XLEl279'-0"Radvastesvitch-gearroom2,250NoneCablesInsul.843612,0001012324499234minSmokedetection 9A.3-6PA70390XG8El279~-Ou907NZBadvastecontrolroomand2,500NoneCablesInsul.1035012,0001242004968038minSmokeTotalfloodlnndetection Union9A.3-7FA70903NZEl306'OuDeconbldgHVACequipment room4,750NoneMiscequipInsul.2110,000210Negligible Smokedetection 9A.3-6PA58904NZEl287'uLMSevaporators 650NoneNocombus-tiblesSmokedetection

)TI5LPERmaZ,CABDAmendment 3of3 NineNilePointUnit2FSARTABLE9A.3-10NORNALSMITCHGEAR BUILDINGFigureNo.9A.3-4FA51PireArea(PA)orPireSubAreagFSA)NumberPireZoneAreaName601XLEl237',715GeneralareavestSafety-BelatedEquipment inAreaNoneNameNisc.equip.CabletraysCombus-tibleInsul.Insul.FireHazardOuantitvLhGal79724,281Btu/Lb12,00012,000TotalBtutthousandsl 9,564291372L300,936110,842FireLoadinggBt~uft~z PireBarrierRequiredfhrgmin1.4hpDetection SystemSmokedetection cross-zoned Extinguishing SstemI9A3-4PA529A-3-4FA53603NZEl237'-0<<1Abatteryroom830.None602XLEl23710<<4,590NoneGeneralareaeastCabletraysNisc.equip.NotorsBatteries CabletraysInsul.Insul.Insul.StyreneInsul.39,83834171,9644,77312,00012,00012,00018,00012,000478,0564,09270482,21835,3525727692,628105,060111,6001.3hr1.4hrSmokedetection cross-zonedSmokedetection 9A3-4FA53603NZEl237'-0<<18batteryroom830NoneBatteries CabletraysStyreneInsul.1,9645,86718,00012,00035,35270404-L105,756127,4201.6hrSmokedetection 9A.3-4FA53603NZEl23710<<Room4A220NoneCabletraysInsul.1,73612,00020,83294,6951.2hrSmokedetectxon 9A.3-4FA539A35PA789A.3-5PA79603NZEl237'-0<<Room4B220None613XLEl261'-0<<4,590NoneGeneralareaeast612XLEl261'-0<<4,820NoneGeneralareavestCabletraysBise.equip.CabletraysNotorcontrolcentersBise.equip.NotcrcontrolcentersCabletraysInsul.Insul.Insul.Piher.Insul.Fiber.Insul.1,7366,52258,8702334,31529758,05312,00012,000782,264706,44018,000194L788,89812,00051,78018,00012,0005,346696636753,76212,00020,83294,6951.2hr163,6752.1hr164,2202.1hrSaokedetection Smokedetection cross-zonedSmokedetection cross-zonedTotalfloodingCOzTotalflooding~COxAmendment 1of2~gg-c33

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