ML17055C123

Forwards Amend 27 to FSAR for Nine Mile Point Nuclear Station Unit 2,including Proprietary Section 6A.Amend Submitted Per 10CFR50.30(c)(1) & NRC 830329 Ltr.Section 6A Withheld (Ref 10CFR2.790)

ML17055C123
Person / Time
Site:	Nine Mile Point
Issue date:	07/24/1986
From:	MANGAN C V NIAGARA MOHAWK POWER CORP.
To:	BERNERO R Office of Nuclear Reactor Regulation
Shared Package
ML17055C124	List: ML17055C123
References
(NMP2L-0793), (NMP2L-793), NUDOCS 8607300122
Download: ML17055C123 (118)

Text

ACCESSIONNBR:'-uFACIL:50-410AUTH.NAIIENANQAN.C.V.RECIP.NAI'IEBERNEROeR.REQULATINFORHATIONDISTRIBUTIONSTEN(RIDS)8607300122DOC.DATE:86/07/24NOTARIZED:YESDOC)MTNNineNilePointNuclearStationeUnit2eNiagaraI'toha05000410AUTHORAFFILIATIONNiagara.aNohatokPowerCorp.RECIPIENTAFFILIATIONDivisionofBoilingWaterReactor(BWR)Licensing100133

SUBJECT:

ForlllardsAmend27toFSARforNineNilePointNuclearStationUnit2eincludingproprietarySectionhA.Amendsubmittedper10CFRSO.30(c)(1)8cNRC830329Itr.SectionhAwithheldIeeeIOCFRE.790).DISTRIBUTIONCODE:BOOIDCOPIEBRECEIVED,'TRENCL+0fhYZE:TITLE:LicensingSumittal:PSR/FSARAdts~Rlated(orrespondenceNOTED:Qgtli9WRECIPIENTCOPIESRECIPIENTCOPIESIDCODE/NANELTTRENCLIDCODE/MANELTTRENCLBWREBgib11BWREICSBA)%1422BWRFOBgiy11BWRPD3L*pl~11BWRI'D3PDpic11HAUQHEY,Xll)IKBWRPSByg11BWRRSBjflP1INTERNAL:ACRSQPOAh6'ADN/LFNBELD/HDS31.0IEFILEIE/DEPER/EPB+31~IE/DGAVT/GABSfP'RRBWRADTS1,8NRRPWR-BADTSNROE>N.LgQ,11NRR/DHFT/NTB+711RQNiRN/DDAI'll/NIB10EXTERNAL:BNL(AI'IDTSONLY)1QPDMB/DSS(AMDTS)LPDR031YgNRCPDR02.,NSIC051gf'NLQRUEL,RlO7:,.BASILQlQ)Narc'919LP'DaLPl)gYa~OVAC.ogQQI.)TOTALNUNBEROFCOPIESREQUIRED:LTTR36ENCL31 IIh.,~5gr)iiI'I'~t.'.'I".'.I".r>>5>>ylId,rhehhhtlrJi)'I5lI5~C~Ill('I'e5>>O~5rrC(lhh'>:>>d9s7e].>>,>>llt.4Idier5~dtilhII5"t"IKhAr).5'f5"55~':.3'7i"l,'~R5hthi>>',3>>'."53)"I'ere"rIde:;<+>>'hL45Id4Ilrh>>l,llI'>>'llI'Jlw5~Jl4I~'q5~K.K4451I5th'git,hldO".Gi.>'gj(~dht5,I-i)IIh>>~IKeIiIddIl'g(lft~Ijr<<rhir':"r34~4I4th".)I.",i~'i'hill,lh5d' VHIIASAIRAUMQNIAWKNIAGARAMOHAWKPOWERCORPORATION/300CRIEBOULEVARDWEST,SYRACUSE,N.Y.13202/TELEPHONE(315)474-1511July24,1986(NMP2L0793)Mr.RobertBernero,DirectorDivisionofBWRLicensingOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555

DearMr.Bernero:

Re:Amendment27toApplicationtoOperatingLicenseNineMilePointUnit2DocketNo.50-410Inaccordancewith10CFR50.30(c)(l)andyourMarch29,1983letter,enclosedarethreeoriginalsand60copiesofAmendment27totheFinalSafetyAnalysisReport.ThesechangesincorporatecertainresponsesintothetextoftheFinalSafetyAnalysisReport.Alsoincludedarechangesthathaveresultedfromourcontinuingreviewofthesedocuments.IntheoriginalsubmittaloftheFinalSafetyAnalysisReportonJanuary25,1983,werequestedproprietarystatusforcertainfiguresinSection6Ainaccordancewith10CFR2.790.TheSeptember21,1983letterfromA.SchwencertoG.K.Rhodeapprovedthisproprietarystatus.Amendment27containsupdatestoafigureinSection6A.AlsoenclosedistheSummaryofIncorporatedChanges.ThislististoassisttheNuclearRegulatoryCommissioninreviewingAmendment27.Verytrulyyours,JM:ja1853GEnclosuresC.V.ManganSeniorVicePresident+a~)$0.II/gbxc:W.A.Cook,NRCResidentInspectorProjectFile(2)rBb07300122Sb0724PDRADOCK05000410KPDR l0C UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterof)NiagaraMohawkPowerCorporation)(NineMilePointUnit2)DocketNo.50-410AFFIDAVITC.V.Manan,beingdulysworn,statesthatheisSeniorVicePresidentofNiagaraMohawkPowerCorporation;thatheisauthorizedonthepartofsaidCorporationtosignandfilewiththeNuclearRegulatoryCommissionthedocumentsattachedhereto;andthatallsuchdocumentsaretrueandcorrecttothebestofhisknowledge,informationandbelief.Subscribedandsworntobeforeme,aNotaryP+ublicinandf'rtheStateofNewYorkandCountyof,this~Hdayof1986.NotaryPublicinandfora.County,NewYorkMyCommissionex'.ires:CHRISTNEAUStNHotayvPublicintheStateotNeoYorkualifetinOnondagaCo.NL4181M@missionExpiresMarch30,Ills 1H),life,.",..)g~,))qt NineMilePointUnit2FSARSUMMARYOFINCORPORATEDCHANGESLegendResponsetoNRCguestionorrequest,orSERItem.EditorialortypographicalchangethathasnotaffectedbasisofFSAR.Nonsafety-relatedchangeindesign,schedule,and/orprocedure.SN-Changetoasafety-relateditemthathasnoeffectonSER.SS=Changetosafety-relateditemthatcouldaffecttheSER.TS-ChangethataffectstheTechnicalSpecification.Amendment271020-12177-HC3SIC-I3uly1986 0

~PaesAttachment1.9-61Page2.4-28Pages5.3-6,5.3-7,5.3-21PageO'ERF251.1-2Pages6.2-85,6.2-86Table6.2-56,Sht.7Page8.3-24bTable8.3-3ATable9.5-3,Sht.9aPage9A.3-16Page9A.3-18ChangeCodeR,TSR,TSDescritionIncorporatedescriptionoftestingoffireboottypepenetrationsealsthatdeviatesfromSRP9.5-1(LetterNo.NMP2L0740datedJune10,1986).Correctnumberfrom16to15publicwatersupplies,consistentwithTable2.4-9.Thoughthereareatotalof16supplieslistedinthetable,oneisanindustrialuseonly'evisetheFSARtobeconsistentwiththetechnicalspecificationsrelativetothematerialsurveillanceprogramandchangewordingreferringtoleadfactors(LetterNo.NMP2L0745datedJune11,1986).Replace"exemption"with"exception"inaccordancewithNRCrequest.ProvidemarknumbersfortheTIPsystemballandshearvalvesinaccordancewithNRCstaffrequestsClarify1ocationsofHPCSdiese1generatorannunciations(i.e.,maincontrolroomordieselgeneratorcontrolroom)asrequestedbytheNRCstaff.IncorporatedeviationtoNFPA80relativetononlistedfiredoorhardware(LetterNo.NMP2L0740datedJune10,1986).ClarifythatmanuallocalapplicationC02systemsareprovidedforturbinelubeoilpipinglocatedabovetheturbinedeck(LetterNo.NMP2L0512datedOctoberll,1985).Clarifythatthefirepumpsarenotsafetyrelated(LetterNo.NMP2L0512datedOctoberll,1985).Amendment271020-12177-HC3SIC-2July1986 P/.

~PaesPage9A.3-31ChangeCodeDescritionDeletetherequirementthatfirebrigademembershaveknowledgeinsafetyrelatedsystems.Thisrequirementisdiscussedinanotherparagraph.CorrectprocedurenumberfromAPN-10PtoNTP-5(LetterNo.NMP2L0512datedOctober11,1985).Table9.8.8-1,Shts.66,75RPage10.2-3aPage11.4-4PageQERF210.38-2PageQ8RF280.23-1Table421.36-1,Shts.1,2,14Addadditionaldescriptionoftheconcretewallseparatingunitcoolers2HVR*UC413Aand2HVR*UC413B(LetterNo.NMP2L0740datedJune10,1986).Revisemainsteamsystemvalvetestingfrequencytobeconsistentwiththetechnicalspecificationsbydeletingstatementsontestingandinsertingreferencetothetechnicalspecifications.Correctradwastebackupsystemlinesizes(LetterNo.NMP2L0719datedMay19,1986).UpdateresponsetoQuestionF210.38toreflectinclusionofthesubjectsnubberexaminationsinthePSIinspectionplanandtheinitialtestprogram.Responserevisedtoreflectcompletionofevaluationsregardingeffectsofwaterdamageduetofirefightingactivitiesontheabilitytosafelyshutdown.Addtwoadditionalinstrumentsforreactorvessellevel(widerange)measurement(Sht.1),correctthemarknumbersforAAScontainmentisolationvalves(changeNtoH)(Sht.2),correctmarknumberforinstrumentmeasuringcoolingwaterflowtotheDiv.2dieselgenerator(Sht.14).Amendment271020-12177-HC3SIC-3July1986 0~f/

~PaesPagesQ&RF430.71-1Q&RF430.36-2PagesQERF430.44-1,Q&RF430.49-1PagesQERF492.7-1,2PagesQERF421.23-2,3PageQERF620.1Change.CodeDescritionReviseresponsestoQuestionsF430.36,F430.71toreflectcompletionofinstallationoftheheavy-dutyturbochargerontheDivisionIIIdieselgenerator.ReviseresponsestoQuestionsF430.44andF430.49toreflectthateight-hourbatterypacklightinghasbeenprovided.UpdateresponsetoQuestionsF492.7andF421.23basedoncompletionofthesubjectevaluationsofwaterlevelsensinginstrumentation.UpdateresponsetoQuestionF620.1todeletethecommitmentforfutureupdates'hange"willsubmit"to"hassubmitted."PageQ&RF620.01-1PageQ&RF620.05-1PageQERF640.34-4PageSSC-6UpdateresponsetoquestionF620.01,Itematoreflectsubmittalofthedocumentunderseparatecover.UpdateresponsetoQuestionF620.05todeletecommitmentonupdatingFSARSection1.10,ItemsI.D.landI.D.2thathasnowbeencompleted.ReviseresponsetoQuestionF640.34,iteml.i(10).Containmentandsuppressionpoolvacuumbreakerswillbetestedaspartofthecontainmentpurge(notisolation)systempreoptesting.ReviseresponsetoItem13toreflectthatsystemdesigndrawingswereprovidedandreviewedasrequiredduringtheAppendixRaudit.Attachment1.9-15Typographicalerror.Change3.05mto3.0Sm.Amendment271020-12177-HC3SIC-4July1986 7

~PaesAttachment1.9-37,Sht~1ChangeCodeEDescritionCorrecttablerefe'rencefrom5.2-3to5.2-5.Replace"as"with"andcodecases."Changenotestonoted.ChangecodecaseN-207toN-1588.Attachment1.9-78DeletelastsentenceconcerningnonapplicabilityofothertaskstoUnit2.Allreferencedtaskshavebeenaddressed.Page1.10-101Page1.12-11Page2.5-167Correctspellingof"studies."Revisediscussionofwaterlegpumpoperationforclaritybyclearlystatingthatastaticcolumnofwatercannotinduceairintothefluidsystem.Add"Thelocationsand"atthebeginningofthesentencereferencingFigures2.5-94through2.5-96.Page2.5-167b,Figures2.5-96E,2.6-96FPage2.5-194bPages3.1-34,3.1-47Pages3.6A-5,3.6A-37,Tables/FiguresReferencePageTable3.68-2Page3.7A-7Addclarificationtodowellengthdescription(p2'-167b).Deletedowellengthdimensionsfromthefigures.Addsubscripttthatwasinadvertentlyomitted.Editorialclarification(p3.1-34).DeletereferencetoGEvalvenumberthatisnotnecessary.Addtheword"inspection"(p3.1-47).Revisefigurenumberfrom3.6A-51to3.6A-49consistentwiththeactualfigurestobeprovided.Correctnumberfrom4.62to4.206forbreakRC4LL.Rearrangetheparagraphdescribingtheportionsofthedieselgeneratorbuildingfloorslabsbeneathwhichgranularfillwasplaced,forclarity.Amendment271020-12177-HC3SIC-5July1986 0>>n

~PaesTable3.8-5Table3.8-6Table3.8-7ChangeCodeDescritionAddmissing4symbol,changeSmtoSninseveralplaces.Correctalignmentofseveralstresslimitequationswiththecorrespondingloadcombinations(Sht.1).ClarifyloadRTtoincludejetimpingementeffects,ifapplicable(Sht.2).ChangeOBEtoOBEIandSSEtoSSEI(Sht.1).CorrectSntop(Sht.2).Page3.8-37Change~to~.ThiswasinadvertentlychangedinAmendment26.Pages3.9A-9,3.9A-15,3.9A-21Addthewords"criteriaand"infirstparagraph(3.9A-9).Delete"safety"inreferencestotheASMEcode(3.9A-15).Revise"generically"to"generally"(3.9A-21).Figure3A.22-1Page4.1-5Thefigureisdeleted.ItisnotreferencedinSection3A.22andisnotneededtodescribethePITRUSTprogram.Correctsectioncrossreferencefrom4.2.2.1to4.6.1.1.Page4.6-3Figure5.1-2,Shts.1,2,3EPage5.4-41Page6.2-74Table6.2-3,Sht.2Table6.2-9Editorial.Changelowtolocal.Renumberthesheetnumberstoputthefiguresintheproperorder.Delete"drawoff"fromsystemname.Editorial.ItemllisredundanttoItem3onpage6.2-73.Make"chambers"singularandaddcommainItem2underVacuumBreakersheading.Changerecirculationlooptoloops.Amendment271020-12177-HC3SIC-6July1986

)

~PaesTable6.2-15,Sht.1ChangeCodeDescritionCorrecttypeinnumberforItem2c,23.40column.Table6.2-56,Sht.6Reinsertclosuretimeforvalve2ICS*MOV121thatwasinadvertentlyomittedinAmendment26.Figure6.2-50Correctyaxistitle.ShouldbeGPM.Figures6.2-68A,6.2-69Feedwaterlinebreaknodemodelnumbersreversedintitles.Page6.3-16Page6.3-31Replace"wall"with"penetration."Correctfigurereferencefrom5.4-15to5.4-14.Page7.3-20Correctfigurereferencefrom6.5-2to6.5-1.Pages7.6-4,7.6-22Figures7.6-7,7.6-8Page7.7-23PagesQ&RF421.13-1,5PageQERF421.20-2Page8.1-2Correctfigurereferencefrom7.6-5to7.6-4(p7.6-4).Correct,sectionreferencefrom7.1.2.4to7.1.2.3(p7'-22).Correctdimensionfrom12to2in.(F7.6-7).PlaceK10andK12relaysnoteinthelegendbox.Correctfigurereferencefrom7.7-7to7.7-6.CorrectspellingofValidyne.CorrectmarknumbersofcondensingchambersbychangingB21toB22.RevisetotalNMPCgridsystemcapabilityfrom6924to7056MW,andfirmpurchasecommitmentfrom1963to2039MW.Pages9.3-23,9.3-25Figures9.3-13,Sht.1;9.3-14,Shts.1,3;9.3-15,9.3-16,Sht.6Alternatingofsumppumpoperationinsumpsprovidedwithduplexsumppumpswillbeaccomplishedwithamanualselectorswitchratherthananelectricalswitchingsystem.Amendment271020-12177-HC3SIC-7July1986 lg

~PaesPages9.3-26a,9.3-27"ChangeCodeDescritionAddItem21indicatinglocalcontrolforthedieselgeneratorfloorandequipmentdrainsumppumps(9.3-26a).Clarifythatthesumppumps(notthesumps)dischargetothestormsewer(9.3-27).Page9.5-65Auxiliaryboilersystemsafetyvalvesdischargetocontactcondensers,notcondensatestoragetanks.Correctsafetyvalvemarknumber(change5to2).Figures10.1-4athrough10.1-4dFigures10.1-7athrough10.1-7wUpdatemoistureseparatorsandreheatersP&ID.Editorialcorrections.Incorporatevariousas-builtconditions.Addacheckvalvedownstreamofthemoistureseparatordrainreceivertankasaddedprotectionagainstbackflow.UpdatefeedwaterheatersystemsandextractionsteamsystemsP&ID.Editorialanddraftingcorrections.Incorporatevariousas-builtconditions,Pages10.3-2,10.4-9Page10.4-17Revisetoreflectthatturbineglandsealingsteamcannotbe-suppliedbytheauxiliaryboilers.Clarifythatcirculatingwaterconstituentconcentrationsaremaintainedasaresultofconstantmakeupandacontrolledblowdownflow.Page10.4-27Table10.4-2Clarifyinterlocksdescriptionforstartingthechemicalwastesumppumpsbydeletingtheword"not"intwoplacesandreplacingandwithorDeleteentryforalkalinityasCaCOandclarifythe*footnotesuchthatalltablevaluesaretwotimestheconcentrationofthenormallakewater.Amendment271020-12177-HC3SIC-8July1986 P'

~PaesTable11.2-1,Sht.2Figures11.4-1athrough11.4-lhTable1.8-1,Sht.44Table1.8-1,Sht.119Page1.10-64hPage1.12-37Figure2.5-188Table3.2-1,Sht.3Table3.2-1,Sht.9ChangeCodeSNSNSNSNDescritionIncludeidentificationforthethirdwastecollectorpump,1C.UpdateradioactivesolidwastesystemPEID.Editorial/draftingcorrectionsandincorporationofminoras-builtchanges.RevisecompliancestatementforRegulatoryGuide1.43tobeconsistentwiththediscussionprovidedinFSARSection5'.3.3.2.UpdatethecompliancestatementforRegulatoryGuide1.105toreferenceRevision2oftheguide.Providepreviouslymissingvaluefordesignbasisactivityofthereactorcoolantsample."Deleteparagraphsdiscussingbolts,whichisnotthesubjectofLicensingIssue54.FSARSection3.9Bdiscussesdesignofbolts,Updatethewestbermsubsurfaceprofilebasedontheactualbermconfiguration.RevisequalitygroupforSLCSexplosivevaluesfromAtoB,andclarifypipingdescriptionasbeingupstreamordownstreamofthecontainmentvalvesratherthantheexplosivevalves,consistentwiththeactualplantdesign.CorrectRHCUsystemheatexchangercoolingwatersidequalitygroupclassificationfromDtoC.Table3.2-1,Sht.14Table6.1-1,Sht.1Page6.2-77SNIncorporatedescriptionofstrainersprovidedfortheH2recombinercoolingwater.Amendment271020-12177-HC3SIC-9July1986 I

~PaesTable3.2-1,Shts.15,15a,16Table3.2-2Tables3.4-2,Shts.1,3;3.4-5,Shts.1,2ChangeCodeSNDescritionUpdatelocationandtornadopro-tectioncolumnentriesforauxiliaryacpowersystemitemsbasedonactualequipmentlocations.Updatelocationfor125VDCpowersystem.ReviseseismiccategorytoNAforemergencycables.ClarifyNote6regardingdesignstandardsutilizedforNSSS-suppliedversusBOP-suppliedqualityGroupDpumps.ReplaceEB-15designationwithHVRinsystemcolumn,anddefineHVR(T3.4-2).ReplaceTBCLCWdesignationwithCCSinsystemcolumn,andreplace"spare"with"abandoned"forsleevesW1243CandW1244C(T3.4-5).Figures3.6A-50through3.6A-60SNMiscellaneouscorrectionsto,elevationsandpipingIDnumbersbasedonas-builtconditions.Also,correctionstofigurecross-references.Page3.6B-,9aPage3.7A-32Page3.8-76Table3.8-15,Sht.1SNClarifytheuseofCT2.0,whichisgenerallyusedunlessotherwisejustified~Clarifythatactivationofthecontainmentmatresponsespectrumannunciatoroccurswhenpresetg-'levelsatcorrespondingfrequenciesareexceeded.IncludehandcalculationsasamethodofanalysisforfoundationsofCategoryIstructures.Delete326.8ftentryandaddvert)caldisplacementvalueforthe322.5ftentry,tobeconsistentwiththeactualtestresults.Page3.9A-26bSNDeletereferencetoSA-449highstrengthbolts,whichhavenotbeenused.Amendment271020-12177-HC3SIC-IDJuly1986

~PaesTable3.9A-S,Sht.2Table3.98-2s,Sht.2Page3.10A-5ChangeCodeSNDescritionCorrectsubscriptsinthedefinitionsofloadsSRVALLSRVpNEandSRVADSReviseRCICturbinenozzlecalculatedloads,FRandMR,basedoncompletionofstressreconciliation.Clarifythatcabletraysupportsmayusepinnedconnectionstothestructuralmembers.Pages3A.9-1through3A.9-4,SN3A.9-6,3A.10-1,3A.10-2,3A.10-3Table3A.10-1Figure3A.10-4UpdatedescriptionsoftheLIMITA2andLIMITA3programsbasedontheprogramscurrentlyinuse.Figure3A.12-1Pages3C-6,3C-12,3C-llaPages3C-24through3C-283C-30,3C-32,3C-33,3C-34Tables3C.4-1through3C.4-4,3C.5-1SNSNRevisethetarget,sources,andanglestobeconsistentwiththedatainTable3A.12-1.Correctpipeelevationsfrom250ftto253ft43/4in(3C-6)andfrom343ft2into342ft8ll/16in(3C-12)and342ft105/8into338ft91/16in(3C-lla)basedonas-builtconditions.UpdateHELBandMELCsprayandfloodingevaluationdiscussions.JunctionandterminalboxessubjectedtospraytohaveNEMA12,dripproofenclosures,ratherthanNEMA4(3C-24).RevisesinglefailureevaluationguidelinesinItem10consistentwithactualanalysismethodology(3C-25).Changetensefrom"willbe"to"are"regardingprotectionofcomponentsfromspray,andincludestatementsregardingjunctionboxes(3C-26).Clarifythatnotargetsrequiredforsafeshutdownareinpipingtunnels,changetensefrom"willbe"to"are,"includejunctionboxesaspotentialtargets,andincorporatepreviouslymissingdiscussionforthestandbyAmendment271020-12177-HC3SIC-11July1986

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~PaesChangeCodeDescritiongastreatmentbuilding'(3C-27).Deletetheexceptionregardingascramdischargevolumecrack(3C-28).IncorporateItem10describingassumedvisualleakdetectionandleakdetectionprovidedforspecificareas,andreviseorificecoefficientfrom0.82to0.6orhigher(3C-30).Change"willbe"to"havebeen,"revisethereactorbuildinggeneralfloorareadiscussionbasedonidentificationofaMELCinan18in'HRlineasthelimitingcaseforflooding,andincludevisualinspectionasameansofleakdetection(3C-32).Deletementionofwaterlevelsensingdevicesandreplacewithvisualdetectionwithin8hrs.forthecontrolbuilding,andrevisepipingtunneldiscussionoffloodingeffectsonservicewatersystemequipmentinthepipingtunnels(3C-33).deletethephraseregarding1/4in.ofwaterfordetectionplus30min.operatoraction,revisediscussionoffloodingofonescreenwellbuildingpumpbaybasedonphysicalseparationandvisualdetectionat8hr.,andprovidepreviouslymissingdiscussionforthestandbygastreatmentbuilding(3C-34).RevisesystemdesignpressureandmaximumfloodingleakagerateforRDSandSFCsystems(T3C~4-1).RevisesystemdesignpressurefortheHVKsystem,systemdesigntemperaturefortheDWSsystemandallmaximumfloodingleakagerates(T3C.4-2).RevisesystemdesignpressurefortheSWP.system,temperaturefortheEGFsystem,andmaximumfloodingleakagerateforboththeSWPandEGFsystems(T3C.4-3).RevisemaximumfloodingAmendment271020-12177-HC3SIC-12July1986 Ipn

~PaesChangeCodeDescritionleakageratesforallsystemsexceptOFG,andlinewallthicknessandcircularareafortheCNSsystem(T3C.4-4).DeletethescramdischargevolumebreakentryfromTable3C.5-1.Page4.5-5Page4.5-8Page5.4-27Page6.1-1Table6.1-3SNSNSNSNAddnutstolistingforcoreplatestudsandcorrectmaterialtypefromASMESA-276toA-276.ClarifythatthereactorinternalspurchaseorderswereplacedpriortoissuanceofRevision2toRegulatoryGuide1.31.ClarifythatisolationconditionsarethoseisolationsoftheprimarysystemrequiringRCICoperation.Clarifythelastsentence.Periodictestingofthevalverequirespartsreplacement,nestreplacementofthevalve.DeletelistingforDevconplasticsteelAandrevisequantityforshimmingmaterialfrom475to300lb.Pages6.2-49,6.2-50,6.2-51,6.2-52,6.2-53,6.2-57,6.2-57aSNClarifythatthesecondarycontain-mentismaintainedatanegativepressureof0.25in.N.G.(6.2-49,6.2-57a).DeletestatementregardingRegulatoryGuide1.52.CompliancewiththisguideisaddressedinSection6.5.1.Changevalvestodampers(6.2-50)~ReviseItem3onpage6.2-50andItem8onpage6.2-51toeliminateduplicationandtoclarifythereactorbuildingstructuraldesign.Deletediscussionofthereactorbuildingventilationsystem(HVRS).AcompletedescriptionisprovidedinSection9.4.2(6.2-52)~ClarifyoperationoftheHVRSduringaccidentconditions.Amendment271020-12177-HC3SIC-I3July1986

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~PaesPage6.2-75aPage6.2-83Page6.2-84Page6.2-88Tables6'-60,6.2-61Figures6.2-89,6.2-90Table6.2-3,Sht.1ChangeCodeSNSNSN,TSDescritionDelete"butterfly"fromdescriptionofventilationsystemdampers(6.2-53).DeletediscussionofSGTSlinespenetratingthereactorbuilding.,TheSGTSisfullydiscussedinSection6.5(6.2-53).Deletephrase"whichisatuniformpressure"(6.2-57).Clarifythattherecombinerdrawsairfromboththedrywellandthesuppressionchamber.RevisethedescriptionofinterlocksprovidedfortheH2recombinerskidcoolingwaterblockvalves.Theyarenowinterlockedwiththerecombinerdischargelinecontainmentisolationvalvesinsteadofthegasblower.Adddiscussionofthestrainerblowdowndrainvalveinterlocks.Clarifycontrolsfortherecombinerairinletandcoolingwaterinlet'alves,Onlythecoolingwaterinletvalvesarecontrolledautomatically.Theairinletvalvesaremanuallyclosed.DeleteItem14.Recombinercoolingwaterorairinletvalvesmotoroverloadalarmhasbeendeletedfromthedesign.Incorporatedescriptionofthelowpressuredrywellbypassleakagetest.Highandlowpressuretestswillbeconductedbymonitoringpressuredecayratherthanactualleakage.Also,drywelltosuppressionchamberPrevisedfrom25to25+0.5,-0.0psi(6.2-88,T6.2-61).ChangePttoPatobeconsistentwithtechnicalspecificationterminology(T6.2-60).Correct200'Fto293'F,whichisthesaturationtemperaturecorrespondingtoapressureof45psig.Amendment271020-12177-HC3SIC-14July1986 r~

~PaesTable6.2-37Table6.2-57Table6.2-56,Sht.22Figure6.2-10Figure6.2-70,Shts.10,16,17,22ChangeCodeSNSNSNSNSN,DescritionCorrecttwovaluesintotaleffectivebreakareacolumnfrom1.736to1.030consistentwithcurrentanalysis.Correctmaximumcontainmentpressureforrecombineroperationfrom13.3to21.3psig.UnderMonitoringSystems,change"systems"to"loops,"changeoperationfromcontinuoustomanual.ClarifyNote(22).Flowindicationisprovidedonlyforflowenteringthehydrogenrecombiner.Therecombinerwillshutdownautomaticallyifgasflowdropsbelow50percentofnormalflow.Correctscalenumbersonyaxis.Deletetestconnectionnotcurrentlyinthedesign(Sht.10);move,testconnectionlocationtothevalvebody(Sht.16),correctmarknumberforvalve2RHS*V143(Sht.17),correctlocationofhoseconnection(Sht.22).Figures6.2-71a,6.2-71bTable6A.10-2,Sht.1SNSN,TSUpdatecontainmentatmospheremonitoringsystemPAID.Editorialcorrectionsandincorporationofminoras-builtchanges.AddimplementationofNUREG-0737,ItemII.B.3requirementfortakinggrabsamples.Incorporateflexiblehosesinvariousinstrumentlinestoaccommodatedifferentialmovementbetweentheprimaryandsecondarycontainmentstructures,grouphydrogenandoxygenanalysisintoasingleunittofacilitateoperations.Correctthemaximumservicewatertemperaturefrom77to76'Fconsistentwiththetechnicalspecifications.Amendment271020-12177-HC3SIC-15July1986 I

~PaesTable7.1-2,Shts.1,3ChangeCodeSNDescritionRevisenotereferences,includingadditionofNote10,clarifyingthecomparisonbetweenUnit2andZimmer-1forthecontainmentandreactorvesselisolationcontrolsystem.Unit2usesballtypeMSIVs.Zimmerdoesnot.Page7.2-21SNReferenceCh.15fordiscussionoffailures.Page7.3-5Page7.3-34SNSNClarifydiscussionofAOSpermissivesignal.Replace"logicchannel"with"tripsystem"and"system"with"pump."Deletetheword"all"inregardtosimulationofactionsresultingfromactuationofthesystemlevelmanualinitiationswitches.Pages7.4-3,7.4-4Table7.4-1Pages7.5-1,7.5-2,7.5-5SNSNSNReferenceCh.3forenvironmentalqualificationofRCICandSLC,systemcomponents.Correctinstrumentrangesbasedonactualsuppliedinstruments.ChangeRCICsystempumplowsuctionpressurefrom0-300psigto30inHgvacuum-0psig,RCICsystemsteamsupplylowpressurefrom0-300psigto0-1500psig,andRCICsystempumpdischargepressurehighfrom0-3000to0-1500psig.AddlistingfromRCICsystempumphighsuctionpressure.CorrectreferencestoNUREG0737taskitemnumbers.Table7.5-1,Sht.1SNCorrectreactorvesselwaterlevelrangefrom"-150-0-60in"to"-5to205in"perlatestdesigninformation.Page7.6-7Change"less"to"greater"regardingturbinefirst-stagepressuresetpoint.Amendment271020-12177-HC3SIC-16July1986

~PaesPage7.6-17Page7.6-18ChangeCodeSNSNDescritionClarifytheenvironmentqualificationofNMSequipment,consistentwithletterNMP2L0589datedJanuary20,1986.Delete"relays"indescriptionofisolationdevices.Page7.6-20Table7.6-1Table7.6-3,Sht.2SNSNReplace"channel"with"APRMorIRM"toclarifyoperationofthebypassswitch.Correctinstrumentranges.ChangeRHRshutdowncoolingisolationpressurefrom0-3000to0-1200psigandRHRsteamcondensingmodesteamlinepressurehighfrom0-1000to0-500psig.ChangeRCICsteamsupplylineflowhighrangefrom0-600to0-750in.H20basedonactualsuppliedinstrument.Table7.6-5Table7.6-6Page7.7-8Page7.7-13SNSNCorrectinstrumentranges.ChangeLPRMdownscaleandLPRMupscalefrom"2percentto0"to"0to125percentfullscale."UpdateAPRMsysteminstrumentdata.Clarifytripversusalarmfunctions.ReviseAPRMdownscalealarmrangeto0to125percentfullscale(4percentnominal)andAPRMupscale(neutrontrip)to0to125percentfullscale(118percentnominal).ChangeredtowhitelightdisplayforAPRMinoperative.ClarifytheeffectoftheIRMrangeswitchoninitiationofarodblock,items4a,4b,4c.Changemaincontrolroom"lights"to"indicators."Page7.7-22aSNChange"fully"to"greaterthan90percent"consistentwiththeactualsystemdesign.Amendment271020-12177-HC3SIC-17July1986

/

~PaesPage8.3-13Figure8.3-3,Sht~2ChangeCodeDescritionPaneldesignationschangedfrom2VBS*PNLA101and2VBS*PNLB101to2VBS*PNLA100and2VBS*PNLB100.Page8.3-40Table8.3-3,Sht.2Table8.3-4,Sht.3Page9.3-31SNSNIncludecontrolcircuitsfordualprotectionindiscussionofinstrumentationcircuitpenetrationcurrentcarryingcapabilities.Includecontrolfeedersindiscussionofelectricalpenetrationsprovidedwithprimaryandbackupprotectivedevices.Includethetwohr.ratingfortheHPCSdieselgenerator.RevisethelistingfortheDiv.III(HPCS)dieselgenerator.Changeratingfrom2600to2850kw(the2000hrrating),voltsfrom4000to4160,andfullloadampsfrom376.8to378.Pages9.3-3,9.3-4,9.3-7Page9.3-24Page9A.3-52SNSNSN,TSCorrectdewpointlowerrangefrom39to35'F(p.9.3-3).Correctlowpressuresetpointforlagcompressorstartfrom100to90psigandtheselectedbackupunitautomaticallystartswhentheheaderpressurefurtherdecaysbelow85psig,not100psig(p.9.3-4).Revisedescriptionforserviceairsystemblockvalveoperation.Valvecanbeopenedlocallyiflow-lowpressureconditiondoesnotexist.Valveclosesautomaticallyonlow-lowpressure(p.9.3-7).Clarifythatequipmentandfloordrainpipingisevaluatedastotheneedforseismicdesign/support,notjustthesupports.Revisefirehosetestingrequirementstobeconsistentwiththetechnicalspecifications.Amendment271020-12177-HC3SIC-18July1986

~PaesTable12.3-4Page15.1-4ChangeCodeDescritionUpdatecertaindoseratevaluesconsistentwithcurrentlycalculatedvalues.,Deleteincorrectphraseregardingpeakfuelcentertemperatureof588'F.Page15.1-8Page15.1-12Table15.2-12SNSNCorrect1020to1010psigasthepressurecorrespondingto155percentNBRfeedwaterflow.Deleteincorrrectphrase,"justslightlybelowthesetpointofthefirstpressurereliefgroup."Revisetimeforinitiationofcontrolleddepressurizationfrom33.2to33min.consistentwithcurrentanalysis.Page15.3-8Page15.4-15bSNDeleteincorrectstatementregardingperformanceofthe.analysiswithasingleortwolooppumpseizure.ReviseresultstoindicatethattheMCPRremainsabovethesafetylimit,anddeletethephraseconcerningtheMLHGR,consistentwithcurrentanalysis.Table15.4-8SNRevisefuelloadingerroranalysisresultstobeconsistentwithanalysis.MCPRwithmisplacedbundlerevisedfrom1.14to1.13.CPRforeventrevisedfrom0.10to0.11.Pages1.10-86,1.10-91Pages1.10-95,1.10-96SSSSUpdatetoreflectcompletionoftheindicatedmodificationstotheADSandRCICinitiationlogic.DeletereferencetotheintertiebetweentheservicewaterandRBCLCWsystems,whichhasbeenAmendment271020-12177-HC3SIC-19July1986 c

~PaesTable3.2-1,Shts.14,15,26f,26gChangeCodeSSDescritiondeleted.However,duringalossofoffsitepower,coolingwaterflowtotheidleRCSpumpsealscanbeestablishedviatheCRDpumps.IncludepenetrationsZ328-3andZ-45tothelistofitemsnotcertifiedontheN-5CodeDataReport.Theseareextensionsofprimarycontainmentfornonsafetyrelatedsystems.AddNote41referenceonSht.15thatwasinadvertentlyomittedinAmendment26.Page3.4-3SSDeletestatementconcerningsumppumpsand/ordrains.Theintakeanddischargebuilding,el.224ft.,isnotprovidedwithsumppumpsordrains.Pages3.5-4,3.5-4a,3,5-4b,SS3.5-4c,3.5-5,3.5-5a,3.5-5bIncorporatediscussionofhydrogen,oxygen,andnitrogencompressedgas,cylindersaspotentialmissiles,includingJustificationforwhytheyarenotcrediblemissiles.Page3.9A-11Tab1e3.9A-4Page3.9B-16SSSSSSIncludepneumaticandhydraulicvalveactuatorsthatarequalifiedbydynamictesting(Item4).Incorporatestatementregardingqualificationofvalvesbyanalysisonly.Clarifyacceptancecriteria1forcaseswheretheTRSdoesnotenveloptheRRS.UpdatetheBOPseismic/dynamicqualificationresultssummaryformechanicalequipmentbasedoncompletionofthequalificationprogram.Theself-cleaningstrainers,guidelineIEEE334-1975,shouldgoto334-1974.ReviseSection3.9.1.2.3Bto.describeuseoftheANSYScodeinanalyzingtherecirculationpumpcasing,Amendment271020-12177-HC3SIC-20July1986 r

~PaesPage4.5-3Page5.3-6Page6.1-2ChangeCodeSSSSSSDescritionDeletestatementconcerningdyepenetrantexaminations,whichhavenotbeenperformed.Includereferencesto10CFRSOAppendixGrequirementsconcerningpressure/temperaturelimitations.Revisetoindicatethatpaintingofstainlesssteelmaybepermittedprovidedthatthepaintsdonotcontaincontaminantsthatwouldbeharmfultothestainlesssteel.Pages6.2-46a,6.2-46bTables6.2-51,6.2-S2Figures6.2-40,6.2-41,6.2-42,6.2-43Pages6.2-54,6.2-54a,6.2-54b,6.2-55a,6.2-55bTables6.2-55a,Sht.2;6.2-55b,SIlt.2;6.2-56,Shts.2,6,7,8,9,10,ll,14,24aFigure6.2-88SSSS,TSUpdatecontainmentspraysystemdescription.Revisesprayflowsfrom7450to6880gpm/loop(dry-well)and450to420gpm/loop(suppressionchamber);revisefigurereferencesshowingspraypatterns(6.2-46a).Revisespraysystemflowpercentagesfrom95to94percent(drywellheader)aod5to6percent(wetwellheader)(6.2-46b).RevisenumberofspraynozzlesperloopandcorrectSPRACOnozzlenumber(T6.2-51).Addnoteregardingsprayrates(T6.2-52).Revisespraypatterns(F6.2-41through6.2-43)toshowcurrentapproximatepatterns.Addtheyardasaterminationpointforbypassleakagepaths(p.6.2-54).Addadditionalbypassleakagepathsconsistingofinstrumentairandnitrogensupplylines(6.2-54a,T6.2-S5a,T6.2-SSb).Deletediscussionregardingprocesslinesthathavenitrogensealsthatpreventbypassleakage,includingthediscussionfortheinstrumentairsystemIAS(6.2-54b,6.2-55a,6.2-55b,T6.2-56,Sht.24a,F6.2-88).Clarifythatnocreditistakenforawatersealinthefeedwatersystempiping(6.2-54b).DeleteNote30frompenetrations48,23,39,40,43,45,53A,538,Amendment271020-12177-HC3SIC-21July1986 i

~PaesPages6.3-10a,6.3-11Figure6.3-1Figure6A.1-3Pages6A.2-7,6A.2-14Table6A.2-laFigure6A.2-13Page6A.3-21Pages5A.4-22,6A.4-23Table6A.4-10,Sh.2Figure6A.4-48Pages6A.9-4,6A.9-5,6A.9-6Tables6A.9-2a,6A.9-2bChangeCodeSSSSDescrition53C,91A,and918sincetheselinesareconsideredasbypassleakagepaths,andchange"NO"to"YES"forpenetration32(T6.2-56,Shts.2,6,7,8,9,10,11,14).TherestrictingorificeintheHPCSdischargelinefromthepumptotheinjectionvalvehasbeendeleted.Theorificehasbeendeterminedtobenotnecessarytolimitflowbelowthepumprunoutlimit.Updatedtoreflectrecentanalysesperformedforthedowncomers,andtoincorporateeditorialcorrec-tions.AddpedestaltoFig.6A.1-3.Revisetablenumber(6A.2-7).Addreferences9and10(6A.2-14).Deleteredundantloadcombination(T6A.2-la,Sht.1).Addclarifyingnote(1)(Table6A.2-la,Sht.2).Revisenote1regardingtimedur-ationandcorrectfiguretitle(F6A.2-13).Addequivalentoccur-rencefactor(EOF)of3'forthedowncomerevaluationandchange0.20to0.25(6A.3-21,6A.4-22,6A,4-23).Addfootnote*indicatortodowncomerindexnumbers65and117(T6A.4-10,Sht.2).Figure6A.4-48revisedtoincorporatecurrentanalysisresults.Revise123to121downcomers(6A.9-4).Revise115to113downcomersanddeletementionoffourtruncatedvacuumbreakerdowncomersnotsubmergedinthepool(6A.9-5).AddreferencetoTable6A.9-2aand6A.9-2b(6A.9-6).ProvideupdateddowncomerASMECodeClass2stresssummaryresults(T6A~9-2a).Addtableshowingdowncomerfunctionalcapabilitystresssummaryresults(T6A.9-2b).Amendment271020-12177-HC3S1C-22July1986

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~PaesPages7.6-2a,7.7-5Pages8.1-2,8.1-3Figure8.1-1Page8.3-24aPage8.3-59PageQ&RF430.24-2Pages9.1-31,9.1-41,9.1-42Figure9.1-7Pages12.5-7a,12.5-9Pages9.2-10,9.2-11,9.2-12,9.2-13,9.2-16ChangeCodeSSSSSS,TSSS,TSSSDescritionDeletestatementregardingIEEE279applicabilitytohigh/lowpressureinterlocks.ConformancewiththisstandardisdiscussedinSection7.6.2.2.DeletereferencetoSection7.2.1.2.2formainsteamlineleakdetection(p.7.6-2a).ClarifydeterminationofAPRMandRBMrodblocksettings.UpdatedescriptionoftheNMPCutilitygridincludingthetotalcircuitmileage,numberof115-kVand345-kVlines,andinterconnectionstoreflectthecurrentgridsystem.ClarifythatfortheHPCSdieselgenerator,aLOCAsignalwouldoverridetheteststartsignalduringtheautomode.Correctequalizingchargevaluefrom139.8to137.5voltsforDivisionIIIconsistentwiththeresponsetoQuestionF430.24(8.3-59).139.8voltsiscorrectforDivisionsIandII.Revise137.4to137.5voltsdcintheresponsetoQuestionF430.24.Revisewatershieldingforactivefuelintransitbasedonfinalfuelbundledimensionsandfuelgrappleelevation.Change8ft-6into8ft-1/2in(pp9.1-31,12.5-7a,12.5-9).Change7ftto6ft-71/2in(pp.9.1-41,9.1-42,F9.1-7).Clarifythatthedoublebladeguide,thoughlifted5inhigherthanafuelassembly,stillwillnotexceedtheenergyofadroppedfuelassembly(p.9.1-42).DeleterecirculationpumpsealcoolersfromalistofcomponentsprovidedbackupcodingbytheRBCLCHsystem(pp.9.2-10,9.2-12,9.2-16).Clarifythatacombinationofanytwomainpumps,Amendment271020-12177-HC3SIC-23July1986

~PaesChangeCodeDescritiontwoboosterpumps,andtwo,heatexchangerswillprovidemaximumheatremovalcapacity,whilemaintainingacoolingwatertemperatureof89'F(insteadof95').Delete"whenservicewatertemp.is77'F."(p.9.2-12)Changelockedtonormallyclosedisolationvalves(p.9.2-13).Page9.5-6SSClarifyactuationofHalon1301systemsbyaddingthatthemaincontrolroomPGCCsystemsareactuatedbythermaldetectionandtheradwastesystemsareactuatedbysmokedetection.(LetterNo.NMP2L0512datedOctober11,1985.)Pages9.5-25,9.5-25aSSIncludediscussionoffueloildaytankventcapabilityintheeventofatornado.Discusstheabsenceofflamearrestorsontheventlines,whichisacceptableperAPIStandardNo.2000.Pages9.5-42,9.5-43a,9.5-43b,9.5-51bTables11.2-3,11.2-5,11.2-6SSSSReviseDivisionIIIdieselgeneratorauxiliarysystemdescriptions.Changemaximumstartingairoperatingpressurefrom250to240psig.Anautomaticseparator,ratherthanadrain,removescondensatefromthestartingair(9.5-42).Clarifythatairstart,systemcontrolsarelocatedonapanelnearthecompressor,andontheairdryer(9.5-43a).Deletestatementthatairdryerisseismicallyqualified(9.5-43b).Deletestatementconcerningmaintainingdieselgeneratorroomtemperatureabove65'F(9.5-5lb).Revisematerialandconcentrationbalanceforliquidwastesystembasedonlatestestimates(T11.2-3).Revisedesignandexpectedannualliquidreleasesduetorevisedbalanceandchangeinreleaseduetoanticipatedoperationaloccurrencesfrom0.15to0.1Cl/yr.Amendment271020-12177-HC3SIC-24July1986

~PaesPages11.4-3a,11.4-5ChangeCodeSSDescritionThesolidradwastebackupfacilitywillusecontainerssizedupto200cu.ft.Page15.6-12a.lTable15.6-13,Sh.2,9,9a,10Tables15.6-15b,15.6-16bSSIncorporaterevisedradiologicaleffectsanalysisresultstoincor-porateadditionalbypassleakagepathcontributi.ons.Controlroomfreeairvolumeandintakeratevaluesrevisedalso.(LetterNo.NHP2L0761datedJune30,1986.)Amendment271020-12177-HC3SIC-25July1986 00r NINEMILEPOINTNUCLEARSTATIONUNIT2NIAGARAMOHAWKPOWERCORPORATIONFSARAMENDMENTRECEIPTACKNOWLEDGEMENTIacknowledgereceiptof:Amendment27Mycopyhasbeenupdated,andsupersededpageshavebeenremovedanddestroyed.SetReassinmentand/orSetHolderChaneofAddress(ifnecessary)Pleasereassignthismanualto,and/orchangemyaddressasfollows:Pleasefurnishallrequestedinformationandreturnto:A.L.MonahanStone6WebsterEngineeringCorporation3ExecutiveCampusP.O.Box5200CherryHill,NJ08034NameofsetholderSetNo.CompanySignatureDate2458-1217718-HC2 0{'>&"

INSERTIONINSTRUCTIONSThefollowinginstructionsarefortheinsertionofthecurrentamendmentintotheNineMilePointUnit2FSAR.Removepages,tables,and/orfigureslistedintheREMOVEcolumnandre-placethemwiththepages,tables,and/orfigureslistedintheINSERTcolumn.Dashes(---)ineithercolumnindicatenoactionrequired.Verticalbarshavebeenplacedinthemarginsofinsertedpagesandta-blestoindicaterevisionlocations.Amendment272453-1217718-HC2FII-1July1986 e

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME2RemoveT1.8-1(44of169)T1'-1(119of169)InsertT1.8-1(44of169)T1.8-1(119of169)A1.9-15A'1.9-37A1.9-42A1.9-42A1.9-61A1.9-61A1.9-61A1.9-61A1.9-78(1of1)(1/2of2)(1/2of2)(2of2)(1of4)(2of4)(3of4)(4of4)(1of1)A1.9-15(1of1)A1.9-37(1/2of2)A1.9-42(1/2of2)A1.9-61(1/laof4)A1.9-61(lb/2of4)A1.9-61(3/4of4)A1..9-78(1of1)1.10-64gb/64h1.10-85h/861.10-91/921.10-95/961.10-101/1021.12-11/121.12-37/381.10-64gb/64h1.10-85h/861.10-91/921.10-95/961.10-101/1021.12-11/121.12"37/38Amendment272453-1217718-HC2FII-2July1986

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME3Remove2.4-27/28,2.5-167/167a2.5"167b/167c2.5-194a/194bInsert2;4-27/282.5-167/167a2.5-167b/167c2.5-194a/194bAmendment272453-1217718-HC2July1986

.1 INSERTIONINSTRUCTIONSVOLUHE4RemoveF2.5-96EF2'-96FF2.5-188InsertF2.5-96EF2.5-96FF2.5-188Amendment272453-1217718-HC2July1986

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME8Remove3-xli/xlil3.1-33/343.1-47/48Insert3-xli/xlil3.1-33/343.1-47/48T3.2-1T3.2-1T3.2-1T3.2-1T3.2"1T3.2-1T3.2"1(3of26)(9of26)(14of26)(15of26)(15aof26)(16of26)(26fof26)T3.2-2(1of1)T3.2"1T3.2-1T3.2-1T3.2-1T3.2-1T3.2-1T3.2-1T3.2-1T3.2-2(3of26)(9of26)(14of26)(15of26)(15aof26)(16of26)(26fof26)(26gof26)(1and2of2)3.4-3/3aT3.4-2(1of3)T3.4-2(3of3)T3.4-5(1and2of2)3.4-3/3aT3.4-2(1of3)T3.4-2(3of3)T3.4-5(1and2of2)Amendment272453-1217718-HC2FII-5July1986 I

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME9RemoveInsert3.5-3/43.5-4a/4b3.5-4c/4d3.5-5/63.6A-5/63.6A-37/383.6Aslipsheet3.5-3/43.5-4a/4b3.5-4c/4d3.5-5/5a3.5"5b/63.6A-5/63.6A-37/383.6AslipsheetAmendment272453-1217718"HC2FII-6July1986 e

ineMilePointUnit2FSARRemoveINSERTIONINSTRUCTIONSVOLUME10Insert3.6AslipsheetF3.6A-52F3.6A-53F3.6A-54F3.6A-55F3'A-56F3.6A-57F3.6A-58F3.6A-59F3.6A-603.6B-9/9aT3.6B-23.7A-7/7a3.7A-31/323.8-37/383.8-75/76T3.8-5(1and2of2)T3.8-6(1and2of2)T3.8-7(1and2of2)T3.8-15(1of2)3.6AslipsheetF3.6A-50F3.6A-51F3.6A-52F3.6A-53F3.6A-54F3.6A-55F3.6A-56F3.6A-57F3.6A-58F3.6A-59F3.6A-603.6B>>9/9aT3.6B"23.7A-7/7a3.7A-31/323.8-37/383.8-75/76T3.8-5(1and2of2)T3.8-6(1and2of2)T3.8-7(1and2of2)T3.8-15(1of2)Amendment272453-1217718-HC2FII-7July1986

NineMilePointUnit2FSARRemove3.9A-9/9a3.9A-11/123.9A-15/163.9A-21/21a3.9A-26a/26bT3.9A-4(1of6)T3.9A-4(2of6)T3.9A-4(3of6)T3.9A-4(5of6)T3.9A-4(6of6)T3.9A-5(2of3)3.9B-15/16T3.9B-2s(2of2)INSERTIONINSTRUCTIONSVOLUMEllInsert3.9A-9/9a3.9A-ll/lla3.9A"lib/123.9A-15/163.9A-21/2la3.9A-26a/26bT3.9A-4(1of6)T3.9A-4(2of6)T3.9A-4(3of6)T3.9A<<4(5of6)T3.9A-4(6of6)T3.9A-4(6aof6)T3.9A-4(6bof6)T3.9A-5(2of3)3.9B"15/163.9B-16a/16bT3.9B-2s(2of2)Amendment272453-1217718-HC2FII-8July1986

/I NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME12RemoveInsert3.10A-5/-3A-i/ii3A-v/vi3A-vii/viii3A-ix/x3A.9-1/23A.9-3/43A.9"5/63A.10-1/23A.10"3/-F3A.12-1F3A.22-13C-5/63C-ll/lla3C-lib/123C-23/243C"25/263C-27/283C-29/303C-31/323C"33/34T3C.4-1T3C.4-2T3C.4-3T3C.4-4T3C.5-14.1-5/64.5-3/44.5-5/64.5-7/84.6-3/43.10A-5/"3A-i/ii3A-v/vi3A-vii/viii3A-ix/x3A.9-1/23A.9-3/43A.9-5/63A.10-1/23A.10-3/-T3A.10-1F3A.10-4F3A.12-1F3A.22-13C-5/63C-ll/lla3C-lib/123C-23/243C-25/263C-26a/26b3C-27/27a3C-27b/283C-29/303C-30a/30b3C-31/323C"33/34T3C.4-1T3C.4-2T3C.4-3T3C.4-4T3C.5"14.1-5/64.5-3/44.5-5/64.5-7/84.6-3/4Amendment272453"1217718-HC2FII-9July1986 7e ineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME13RemoveF5.1-2(1through3of3)5.3-5/65.3-7/7a5.3-21/225.4-27/285.4-41/426-xa/xb6-xv/xvi6-xvii/xviii6-xix/xixa6-xixb/xx6.1-1/2T6.1"1(1of2)T6.1-3InsertF5.1-2(1through3of3)5.3-5/65.3-7/7a5.3-21/225.4-27/285.4-41/426-xa/xb6-xv/xvi6-xvii/xviii6-xix/xixa6-xixb/xx6.1-1/2T6.1-1(1of2)T6.1-3Amendment272453-1217718-HC2FII-10July1986 0

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME14Remove6.2-46a/46b6.2-49/506.2-51/51a6.2-51b/526.2-53/53a6.2-53b/546.2-54a/54b6.2-55/55a6.2-55b/55c6'-57/57a6.2-73/746.2-75/75a6.2-77/77a6.2-83/83a6.2-83b/846.2-85/85a6.2-85b/866.2-87b/88T6.2-3(1and2of2)T6.2-37T6.2-51T6.2-52T6.2-55a(2of2)T6.2-55b(2of2)T6.2-56(2of24)T6.2-56(6of24)T6.2-56(7of24)T6.2-56(8of24)T6.2-56(9of24)T6.2-56(10of24)T6.2-56(11of24)T6.2-56(14of24)T6.2-56(22of24)T6.2-56(24aof24)-T6.2-57T6.2-60T6.2-61F6.2-10F6.2-40F6.2-41F6.2-42F6.2-43F6.2-50F6.2-68aF6.2-69Insert6.2-46a/46b6.2-49/506.2-51/5la6.2-51b/526.2-53/53a6.2-53b/546.2-54a/54b6.2-55/55a6.2-55b/55c6.2-57/57a6.2-73/746.2-75/75a6.2-77/77a6.2-83/83a6.2-83b/846.2-85/85a6.2-85b/866.2-87b/88T6.2-3(1and2ofT6.2-37T6.2-51T6.2-52T6.2-55a(2and2aT6.2-55b(2and2aT6.2-56(2of24)T6.2-56(6of24)T6'-56(7of24)T6.2-56(8of24)T6.2-56(9of24)T6.2-56(10of24)T6.2-56(11of24)T6.2-56(14of24)T6.2-56(22of24)T6.2-56(24aof24T6.2-57T6.2-60T6.2-61F6.2-10F6.2-40F6.2-41F6.2-42F6.2-43F6.2-50F6.2-68aF6.2<<692)of2)of2)Amendment272453-1217718-HC2FII-11July1986

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME14(Cont)RemoveF6.2-70(10of43)F6.2-70(16of43)F6.2-70(17of43)F6.2-70(22of43)F6.2-71AF6.2-71BF6.2-88InsertF6.2-70(10of43)F6.2-70(16of43)F6.2-70(17of43)F6.2-70(22of43)F6.2-71AF6.2-71B'6.2-88F6.2-89F6.2-90Amendment272453-1217718-HC2FII-12July1986

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME15Remove6.3-10a/10b6.3-11/126.3-15/166.3-31/32F6.3-1(1of2)T7.1-2(1of3)T7.1"2(3of3)7.2-21/-7.3"5/67.3-19b/207.3-33/34Insert6.3-10a/10b,6.3-11/126'-15/166.3-31/32F6.3-1(1of2)T7.1-2(1of3)T7.1-2(3of3)7.2-21/-7.3-5/6.7.3-19b/207.3-33/34Amendment272453-1217718-HC2FII-13July1986 k0 NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOIUME16RemoveInsert7.4-3/4T7.4-17.5-1/27.5"5/6T7.5-1(1of14)7.6-2a/2b7.6-3b/47.6-7/87.6-17/187.6"19/207.6-21/22T7.6-1T7.6-3(2of2)T7.6-5T7.6-6F7.6-7F7.6-87.7-5/67.7-7/87.7-13/147.7-22a/22b7.7-23/248.1-1/28.1-3/4F8.1-18.3-13/148.3-24a/24b8.3-39/408.3-59/607.4-3/4T7.4-17.5-1/27.5-5/6T7.5-1(1of14)7.6-2a/2b7.6-3b/47.6-7/87.6-17/187.6-19/207.6-21/22T7.6-1T7.6-3(2of2)T7.6-5T7.6-6F7.6-7F7.6-87.7-5/67.7-7/87.7-13/147.7-22a/22b7.7-23/248.1-1/28.1-3/3a8.1-3b/4F8.1-18.3-13/148.3-24a/24b8.3-39/408.3-59/60Amendment272453-1217718"HC2FII-14July1986

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME17RemoveInsertT8.3-3(2of2)T8.3-3AT8.3-4(3of60)F8.3-3(2of2)9.1-31/329.1-41/42F9.1-7T8.3-3(2of2)T8.3-3AT8.3-4(3of60)F8.3-3(2of2)9.1-31/329.1-41/42F9.1-7Amendment272453-1217718-HC2FII-15July1986 0P NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME18Remove9.2-9/109.2-11/lla9.2-11b/129.2-13/149.2-15/16Insert9.2-9/109.2-11/lla9.2-11b/129.2-13/149.2-15/16Amendment272453-1217718-HC2FII-16July1986

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ineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME19Remove9.3-3/49.3-7/89.3-23/23a9.3-23b/249.3-25/269.3-26a/26b9.3-27/289.3-31/32F9.3-13(1of10)F9.3-14(1of3)F9.3-14(3of3)F9.3-15F9.3-16(6of7)Insert9.3-3/49.3-7/89.3-23/23a9.3-23b/249.3-25/269.3-26a/26b9.3-27/28,9.3-31/32F9.3-13(1of10)F9.3-14(1of3)F9.3-14(3of3)F9.3-15F9.3-16(6of7)Amendment272453"1217718-HC2FII-17July1986

INSERT10NINSTRUCTIONSVOLUME21Remove9.5-5/69.5-6a/6b9.5-25/25a9.5-25b/269.5-41b/429.5-43/43a9.5-43b/449.5-51b/529.5-65/66Insert9.5"5/69.5-6a/6b9.5-25/25a9.5-25b/269.5-4lb/429.5-43/43a9.5-43b/449'-51b/529.5-65/66T9.5-3(9aofll)Amendment272453"1217718-HC2FII-18July1986

NineNilePointUnit2FSARINSERTIONINSTRUCTIONSVOIlME23RemoveInsert9A.3-15/169A.3-17b/189A.3-31/31a9A.3-51b/52F10.1-4athrough4dF10.1-7athrough7w10'-3/3a9A.3-15/169A.3-17b/189A.3-31/31a9A.3-51b/52F10.1-4athrough4dF10.1-7athrough7w10.2-3/3aAmendment272453-1217718-HC2FII-19July1986 r~i INSERTIONINSTRUCTIONSVOLUME24Remove10.3-1b/210.4-9/1010.4-17/1810.4-27/28T10.4-2Insert10.3"1b/210.4-9/1010.4-17/1810.4-27/28T10.4-2T11.2"1(2of5)T11.2-3T11.2-5(1and2of2)T11.2-6(1and2of2)T11.2-1(2of5)T11.2-3T11'-5(1and2of2)T11.2-6(1and2of2)Amendment272453-1217718-HC2FII-20July1986

NineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME25RemoveInsert11.4-3/3a11.4-3b/411.4-5/6F11.4-lathr'oughlhT12.3-4(1through4of4)11.4-3/3a11.4"3b/411.4-5/6F11.4-1athrough1hT12.3-4(1through4of4)Amendment272453-1217718-HC2FII-21July1986

INSERTIONINSTRUCTIONSVOLUME26RemoveInsert12.5-7/7a12.5-9/1012.5-7/7a12.5-9/10Amendment272453-1217718-HC2FII-22July1986

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSVOLUME27RemoveInsert15.1-3/415.1-7/815.1-11/12T15.2-1215.3-7/815.4-15b/16T15.4-815.1-3/415.1-7/815.1-11/12T15.2-1215.3-7/815.4-15b/16T15.4-815.6-12a/12a.lT15.6-13(2of11)T15.6-13(9ofll)T15.6<<13(10ofll)T15.6-15bT15.6-16b15.6-12a/12a.lT15.6-13(2ofll)T15.6-13(9ofll)T15.6-13(9aof11)T15.6-13(10of11)T15.6"15bT15.6-16bAmendment272453-1217718"HC2FII-23July1986 r0!

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSQUESTIONSAND'ESPONSESVOLUME1RemoveInsertQSRF210.38-1/2QSRF251.1-1/2QSRF210.38-1/2Q&RF251.1-1/2Amendment272453-1217718-HC2FII-24July1986 7

INSERTIONINSTRUCTIONSQUESTIONSAND'ESPONSESVOLUME2RemoveQ&RF280.23-1/-SSC-5/6Q&RF421.13-1/2Q&RF421.13-5/6Q&RF421.20-1/2Q&RF421.23-1/2Q&RF421.23-3/-T421.36-1(1of18)T421.36-1(2of18)T421.36-1(14of18)Q&RF430.24-1/2Q&RF430.36-1/2Q&RF430.44'-1/-Q&RF430.49-1/-Q&RF430.71"1/-InsertQ&RF280.23-1/-SSC-5/6Q&RF421.13-1/2Q&RF421.13-5/6Q&RF421.20"1/2Q&RF421;23-1/2Q&RF421.23"3/".T421.36-,1(1of18)T'421.36-1(2of18)T421.36-1(14of18)Q&RF430.24-1/2Q&RF430.36-1/2~Q&RF430.44-1/-Q&RF430.49-1/-Q&RF430.71-1/-Amendment272453-1217718-HC2FII-25July1986

INSERTIONINSTRUCTIONSQUESTIONSANDRESPONSESVOLUME3RemoveQ&RF492.7-1/2Q&RF620.1-1/-Q&RF620.01-1/2Q&RF620.05-1/"Q&RF640.34-3/4InsertQ&RF492.7-1/2Q&RF620.1"1/-Q&RF620.01-1/2Q&RF620.05-1/-Q&RF640.34-3/4Amendment272453-1217718-HC2FII-26July1986

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSDESIGNASSESSMENTREPORTAPPENDIX6ARemove6A-viib/viii6A-ixb/x6A-xiii/xivF6A.1-36A.2-7/86A.2-13/14T6A.2-la(1and2of2)F6A.2-136A.4-21/226A.4-23/24T6A.4-10(2of3)F6A.4-486A.9-3/46A.9-5/6Insert6A-viib/viii6A-ixb/x6A-xiii/xivF6A.1-36A.2-7/86A.2-13/14T6A.2-1a(1and2of2)F6A.2-136A.4-21/226A.4-23/24T6A.4-10(2of3)F6A.4-486A.9-3/46A.9-5/6T6A.9-2aT6A.9-2bT6A.10-2(1of2)T6A.10-2(1of2)Amendment272453-1217718"HC2FII-27July1986

ineMilePointUnit2FSARINSERTIONINSTRUCTIONSSAFESHUTDOWNANALYSISAPPENDIX9BRemoveT9B.8-1(66of75)T9B.8-1(75of75)InsertT9B.8-1(66of75)T9B.8-1(75of75)T9B.8-1(75aof75)Amendment272453-1217718-HC2FII-28July1986 e

41.eMilePointUnit2FSARINSERTIONINSTRUCTIONSLISTOFEFFECTIVEPAGESRemoveInsertEP-iEPl-lthrough1-8EP2-1through2-20EP3-1through3-12EP4-1and4-2EP5-1through5-3EP6-1through6-6EP7-1through7-4EP8-1through8-3EP9-1through9-11EP10-1and10-2EPll-land11-2EP12-1through12-3EP15-1through15-5Q&R-1throughQSR-14DAR-1throughDAR-8SSA-1andSSA-2EP-iEPl-lthrough1"8EP2-1through2-20EP3-1through3-12EP4-1and4-2EP5-1through5-3EP6-1through6-6EP7-1through7-4EP8-1through8-3EP9-1through9-11EP10-1and10-2EP11-1-and11-2EP12-1through12-3EP15-1through15-5QSR-1throughQ&R-14DAR-1throughDAR-8SSA-1andSSA-2Amendment272453-1217718-HC2FII-29July1986 0

I7NIAGARA'MOHAWK~yNIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVARDWEST,SYRACUSE,N.Y.13202/TELEPHONE(315)474-1511July24,1986(NMP2L0793)Mr.RobertBernero,DirectorDivisionofBWRLicensingOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555

DearMr.Bernero:

Re:Amendment27toApplicationtoOperatingLicenseNineMilePointUnit2DocketNo.50-410Inaccordancewith10CFR50.30(c)(l)andyourMarch29,1983letter,enclosedarethreeoriginalsand60copiesofAmendment27totheFinalSafetyAnalysisReport.ThesechangesincorporatecertainresponsesintothetextoftheFinalSafetyAnalysisReport.Alsoincludedarechangesthathaveresultedfromourcontinuingreviewofthesedocuments.IntheoriginalsubmittaloftheFinalSafetyAnalysisReportonJanuary25,1983,werequestedproprietarystatusforcertainfiguresinSection6Ainaccordancewith10CFR2.790.TheSeptember21,1983letterfromA.SchwencertoG.K.Rhodeapprovedthisproprietarystatus.Amendment27containsupdatestoafigureinSection6A.AlsoenclosedistheSummaryofIncorporatedChanges.ThislististoassisttheNuclearRegulatoryCommissioninreviewingAmendment27.Verytrulyyours,C.V.ManganSeniorVicePresidentJM:ja1853GEnclosuresxc:W.A.Cook,NRCResidentInspectorProjectFile(2)D~Sa)S>~Pn)L.PERIL~p{)~

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