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

ACCESSION NBR:'-uFACIL:50-410AUTH.NAIIENANQAN.C.V.RECIP.NAI'IEBERNEROeR.REQULATINFORHATION DISTRIBUTION STEN(RIDS)8607300122 DOC.DATE:86/07/24NOTARIZED:

YESDOC)MTNNineNilePointNuclearStationeUnit2eNiagaraI'toha05000410AUTHORAFFILIATION Niagara.a NohatokPowerCorp.RECIPIENT AFFILIATION DivisionofBoilingWaterReactor(BWR)Licensing 100133

SUBJECT:

Forlllards Amend27toFSARforNineNilePointNuclearStationUnit2eincluding proprietary SectionhA.Amendsubmitted per10CFRSO.30(c)(1)8cNRC830329Itr.SectionhAwithheldIeeeIOCFRE.790).DISTRIBUTION CODE:BOOIDCOPIEBRECEIVED,'TR ENCL+0fhYZE:TITLE:Licensing Sumittal:PSR/FSARAdts~Rlated(orrespondence NOTED:Qgtli9WRECIPIENTCOPIESRECIPIENT COPIESIDCODE/NANE LTTRENCLIDCODE/MANE LTTRENCLBWREBgib11BWREICSBA)%1422BWRFOBgiy11BWRPD3L*pl~11BWRI'D3PDpic11HAUQHEY,Xll)IKBWRPSByg11BWRRSBjflP1INTERNAL:

ACRSQPOAh6'ADN/LFNB ELD/HDS31.0IEFILEIE/DEPER/EPB

+31~IE/DGAVT/GAB SfP'RRBWRADTS1,8NRRPWR-BADTSNROE>N.LgQ,11NRR/DHFT/NTB

+711RQNiRN/DDAI'll/NIB 10EXTERNAL:

BNL(AI'IDTS ONLY)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':"r 34~4I4th".)I.",i~'i'hill,lh5d' VHIIASAIRA UMQNIAWKNIAGARAMOHAWKPOWERCORPORATION/300 CRIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511July24,1986(NMP2L0793)Mr.RobertBernero,DirectorDivisionofBWRLicensing OfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr.Bernero:

Re:Amendment 27toApplication toOperating LicenseNineMilePointUnit2DocketNo.50-410Inaccordance with10CFR50.30(c)(l) andyourMarch29,1983letter,enclosedarethreeoriginals and60copiesofAmendment 27totheFinalSafetyAnalysisReport.Thesechangesincorporate certainresponses intothetextoftheFinalSafetyAnalysisReport.Alsoincludedarechangesthathaveresultedfromourcontinuing reviewofthesedocuments.

Intheoriginalsubmittal oftheFinalSafetyAnalysisReportonJanuary25,1983,werequested proprietary statusforcertainfiguresinSection6Ainaccordance with10CFR2.790.

TheSeptember 21,1983letterfromA.Schwencer toG.K.Rhodeapprovedthisproprietary status.Amendment 27containsupdatestoafigureinSection6A.AlsoenclosedistheSummaryofIncorporated Changes.ThislististoassisttheNuclearRegulatory Commission inreviewing Amendment 27.Verytrulyyours,JM:ja1853GEnclosures C.V.ManganSeniorVicePresident

+a~)$0.II/gbxc:W.A.Cook,NRCResidentInspector ProjectFile(2)rBb07300122 Sb0724PDRADOCK05000410KPDR l0C UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterof)NiagaraMohawkPowerCorporation

)(NineMilePointUnit2)DocketNo.50-410AFFIDAVIT C.V.Manan,beingdulysworn,statesthatheisSeniorVicePresident ofNiagaraMohawkPowerCorporation; thatheisauthorized onthepartofsaidCorporation tosignandfilewiththeNuclearRegulatory Commission thedocuments attachedhereto;andthatallsuchdocuments aretrueandcorrecttothebestofhisknowledge, information andbelief.Subscribed andsworntobeforeme,aNotaryP+ublicinandf'rtheStateofNewYorkandCountyof,this~Hdayof1986.NotaryPublicinandfora.County,NewYorkMyCommission ex'.ires:

CHRISTNEAUStNHotayvPublicintheStateotNeoYorkualifetinOnondagaCo.NL4181M@missionExpiresMarch30,Ills 1H),life,.",

..)g~,))q t

NineMilePointUnit2FSARSUMMARYOFINCORPORATED CHANGESLegendResponsetoNRCguestionorrequest,orSERItem.Editorial ortypographical changethathasnotaffectedbasisofFSAR.Nonsafety-related changeindesign,schedule, and/orprocedure.

SN-Changetoasafety-related itemthathasnoeffectonSER.SS=Changetosafety-related itemthatcouldaffecttheSER.TS-ChangethataffectstheTechnical Specification.

Amendment 271020-12177-HC3 SIC-I3uly1986 0

~PaesAttachment 1.9-61Page2.4-28Pages5.3-6,5.3-7,5.3-21PageO'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,TSDescritionIncorporate description oftestingoffireboottypepenetration sealsthatdeviatesfromSRP9.5-1(LetterNo.NMP2L0740datedJune10,1986).Correctnumberfrom16to15publicwatersupplies, consistent withTable2.4-9.Thoughthereareatotalof16supplieslistedinthetable,oneisanindustrial useonly'evise theFSARtobeconsistent withthetechnical specifications relativetothematerialsurveillance programandchangewordingreferring toleadfactors(LetterNo.NMP2L0745datedJune11,1986).Replace"exemption" with"exception" inaccordance withNRCrequest.ProvidemarknumbersfortheTIPsystemballandshearvalvesinaccordance withNRCstaffrequestsClarify1ocationsofHPCSdiese1generator annunciations (i.e.,maincontrolroomordieselgenerator controlroom)asrequested bytheNRCstaff.Incorporate deviation toNFPA80relativetononlisted firedoorhardware(LetterNo.NMP2L0740datedJune10,1986).Clarifythatmanuallocalapplication C02systemsareprovidedforturbinelubeoilpipinglocatedabovetheturbinedeck(LetterNo.NMP2L0512datedOctoberll,1985).Clarifythatthefirepumpsarenotsafetyrelated(LetterNo.NMP2L0512datedOctoberll,1985).Amendment 271020-12177-HC3 SIC-2July1986 P/.

~PaesPage9A.3-31ChangeCodeDescritionDeletetherequirement thatfirebrigademembershaveknowledge insafetyrelatedsystems.Thisrequirement isdiscussed inanotherparagraph.

Correctprocedure numberfromAPN-10PtoNTP-5(LetterNo.NMP2L0512datedOctober11,1985).Table9.8.8-1,Shts.66,75RPage10.2-3aPage11.4-4PageQERF210.38-2 PageQ8RF280.23-1 Table421.36-1, Shts.1,2,14Addadditional description oftheconcretewallseparating unitcoolers2HVR*UC413A and2HVR*UC413B (LetterNo.NMP2L0740datedJune10,1986).Revisemainsteamsystemvalvetestingfrequency tobeconsistent withthetechnical specifications bydeletingstatements ontestingandinserting reference tothetechnical specifications.

Correctradwastebackupsystemlinesizes(LetterNo.NMP2L0719datedMay19,1986).UpdateresponsetoQuestionF210.38toreflectinclusion ofthesubjectsnubberexaminations inthePSIinspection planandtheinitialtestprogram.Responserevisedtoreflectcompletion ofevaluations regarding effectsofwaterdamageduetofirefightingactivities ontheabilitytosafelyshutdown.

Addtwoadditional instruments forreactorvessellevel(widerange)measurement (Sht.1),correctthemarknumbersforAAScontainment isolation valves(changeNtoH)(Sht.2),correctmarknumberforinstrument measuring coolingwaterflowtotheDiv.2dieselgenerator (Sht.14).Amendment 271020-12177-HC3 SIC-3July1986 0~f/

~PaesPagesQ&RF430.71-1 Q&RF430.36-2 PagesQERF430.44-1, Q&RF430.49-1 PagesQERF492.7-1, 2PagesQERF421.23-2, 3PageQERF620.1Change.CodeDescritionReviseresponses toQuestions F430.36,F430.71toreflectcompletion ofinstallation oftheheavy-duty turbocharger ontheDivisionIIIdieselgenerator.

Reviseresponses toQuestions F430.44andF430.49toreflectthateight-hour batterypacklightinghasbeenprovided.

UpdateresponsetoQuestions F492.7andF421.23basedoncompletion ofthesubjectevaluations ofwaterlevelsensinginstrumentation.

UpdateresponsetoQuestionF620.1todeletethecommitment forfutureupdates'hange "willsubmit"to"hassubmitted."

PageQ&RF620.01-1 PageQ&RF620.05-1 PageQERF640.34-4 PageSSC-6UpdateresponsetoquestionF620.01,Itematoreflectsubmittal ofthedocumentunderseparatecover.UpdateresponsetoQuestionF620.05todeletecommitment onupdatingFSARSection1.10,ItemsI.D.landI.D.2thathasnowbeencompleted.

ReviseresponsetoQuestionF640.34,iteml.i(10).Containment andsuppression poolvacuumbreakerswillbetestedaspartofthecontainment purge(notisolation) systempreoptesting.ReviseresponsetoItem13toreflectthatsystemdesigndrawingswereprovidedandreviewedasrequiredduringtheAppendixRaudit.Attachment 1.9-15Typographical error.Change3.05mto3.0Sm.Amendment 271020-12177-HC3 SIC-4July1986 7

~PaesAttachment 1.9-37,Sht~1ChangeCodeEDescritionCorrecttablerefe'rence from5.2-3to5.2-5.Replace"as"with"andcodecases."Changenotestonoted.ChangecodecaseN-207toN-1588.Attachment 1.9-78Deletelastsentenceconcerning nonapplicability ofothertaskstoUnit2.Allreferenced taskshavebeenaddressed.

Page1.10-101Page1.12-11Page2.5-167Correctspellingof"studies."

Revisediscussion ofwaterlegpumpoperation forclaritybyclearlystatingthatastaticcolumnofwatercannotinduceairintothefluidsystem.Add"Thelocations and"atthebeginning ofthesentencereferencing Figures2.5-94through2.5-96.Page2.5-167b, Figures2.5-96E,2.6-96FPage2.5-194bPages3.1-34,3.1-47Pages3.6A-5,3.6A-37,Tables/Figures Reference PageTable3.68-2Page3.7A-7Addclarification todowellengthdescription (p2'-167b).Deletedowellengthdimensions fromthefigures.Addsubscript tthatwasinadvertently omitted.Editorial clarification (p3.1-34).Deletereference toGEvalvenumberthatisnotnecessary.

Addtheword"inspection" (p3.1-47).Revisefigurenumberfrom3.6A-51to3.6A-49consistent withtheactualfigurestobeprovided.

Correctnumberfrom4.62to4.206forbreakRC4LL.Rearrange theparagraph describing theportionsofthedieselgenerator buildingfloorslabsbeneathwhichgranularfillwasplaced,forclarity.Amendment 271020-12177-HC3 SIC-5July1986 0>>n

~PaesTable3.8-5Table3.8-6Table3.8-7ChangeCodeDescritionAddmissing4symbol,changeSmtoSninseveralplaces.Correctalignment ofseveralstresslimitequations withthecorresponding loadcombinations (Sht.1).ClarifyloadRTtoincludejetimpingement effects,ifapplicable (Sht.2).ChangeOBEtoOBEIandSSEtoSSEI(Sht.1).CorrectSntop(Sht.2).Page3.8-37Change~to~.Thiswasinadvertently changedinAmendment 26.Pages3.9A-9,3.9A-15,3.9A-21Addthewords"criteria and"infirstparagraph (3.9A-9).

Delete"safety"inreferences totheASMEcode(3.9A-15).

Revise"generically" to"generally" (3.9A-21).

Figure3A.22-1Page4.1-5Thefigureisdeleted.Itisnotreferenced inSection3A.22andisnotneededtodescribethePITRUSTprogram.Correctsectioncrossreference from4.2.2.1to4.6.1.1.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.

Itemllisredundant toItem3onpage6.2-73.Make"chambers" singularandaddcommainItem2underVacuumBreakersheading.Changerecirculation looptoloops.Amendment 271020-12177-HC3 SIC-6July1986

)

~PaesTable6.2-15,Sht.1ChangeCodeDescritionCorrecttypeinnumberforItem2c,23.40column.Table6.2-56,Sht.6Reinsertclosuretimeforvalve2ICS*MOV121 thatwasinadvertently omittedinAmendment 26.Figure6.2-50Correctyaxistitle.ShouldbeGPM.Figures6.2-68A,6.2-69Feedwater linebreaknodemodelnumbersreversedintitles.Page6.3-16Page6.3-31Replace"wall"with"penetration."

Correctfigurereference from5.4-15to5.4-14.Page7.3-20Correctfigurereference from6.5-2to6.5-1.Pages7.6-4,7.6-22Figures7.6-7,7.6-8Page7.7-23PagesQ&RF421.13-1, 5PageQERF421.20-2 Page8.1-2Correctfigurereference from7.6-5to7.6-4(p7.6-4).Correct,sectionreference from7.1.2.4to7.1.2.3(p7'-22).Correctdimension from12to2in.(F7.6-7).PlaceK10andK12relaysnoteinthelegendbox.Correctfigurereference from7.7-7to7.7-6.CorrectspellingofValidyne.

Correctmarknumbersofcondensing chambersbychangingB21toB22.RevisetotalNMPCgridsystemcapability from6924to7056MW,andfirmpurchasecommitment from1963to2039MW.Pages9.3-23,9.3-25Figures9.3-13,Sht.1;9.3-14,Shts.1,3;9.3-15,9.3-16,Sht.6Alternating ofsumppumpoperation insumpsprovidedwithduplexsumppumpswillbeaccomplished withamanualselectorswitchratherthananelectrical switching system.Amendment 271020-12177-HC3 SIC-7July1986 lg

~PaesPages9.3-26a,9.3-27"ChangeCodeDescritionAddItem21indicating localcontrolforthedieselgenerator floorandequipment drainsumppumps(9.3-26a).

Clarifythatthesumppumps(notthesumps)discharge tothestormsewer(9.3-27).

Page9.5-65Auxiliary boilersystemsafetyvalvesdischarge tocontactcondensers, notcondensate storagetanks.Correctsafetyvalvemarknumber(change5to2).Figures10.1-4athrough10.1-4dFigures10.1-7athrough10.1-7wUpdatemoistureseparators andreheaters P&ID.Editorial corrections.

Incorporate variousas-builtconditions.

Addacheckvalvedownstream ofthemoistureseparator drainreceivertankasaddedprotection againstbackflow.

Updatefeedwater heatersystemsandextraction steamsystemsP&ID.Editorial anddraftingcorrections.

Incorporate variousas-builtconditions, Pages10.3-2,10.4-9Page10.4-17Revisetoreflectthatturbineglandsealingsteamcannotbe-suppliedbytheauxiliary boilers.Clarifythatcirculating waterconstituent concentrations aremaintained asaresultofconstantmakeupandacontrolled blowdownflow.Page10.4-27Table10.4-2Clarifyinterlocks description forstartingthechemicalwastesumppumpsbydeletingtheword"not"intwoplacesandreplacing andwithorDeleteentryforalkalinityasCaCOandclarifythe*footnotesuchthatalltablevaluesaretwotimestheconcentration ofthenormallakewater.Amendment 271020-12177-HC3 SIC-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.9ChangeCodeSNSNSNSNDescritionIncludeidentification forthethirdwastecollector pump,1C.Updateradioactive solidwastesystemPEID.Editorial/drafting corrections andincorporation ofminoras-builtchanges.Revisecompliance statement forRegulatory Guide1.43tobeconsistent withthediscussion providedinFSARSection5'.3.3.2.Updatethecompliance statement forRegulatory Guide1.105toreference Revision2oftheguide.Providepreviously missingvaluefordesignbasisactivityofthereactorcoolantsample."Deleteparagraphs discussing bolts,whichisnotthesubjectofLicensing Issue54.FSARSection3.9Bdiscusses designofbolts,Updatethewestbermsubsurface profilebasedontheactualbermconfiguration.

RevisequalitygroupforSLCSexplosive valuesfromAtoB,andclarifypipingdescription asbeingupstreamordownstream ofthecontainment valvesratherthantheexplosive valves,consistent withtheactualplantdesign.CorrectRHCUsystemheatexchanger coolingwatersidequalitygroupclassification fromDtoC.Table3.2-1,Sht.14Table6.1-1,Sht.1Page6.2-77SNIncorporate description ofstrainers providedfortheH2recombiner coolingwater.Amendment 271020-12177-HC3 SIC-9July1986 I

~PaesTable3.2-1,Shts.15,15a,16Table3.2-2Tables3.4-2,Shts.1,3;3.4-5,Shts.1,2ChangeCodeSNDescritionUpdatelocationandtornadopro-tectioncolumnentriesforauxiliary acpowersystemitemsbasedonactualequipment locations.

Updatelocationfor125VDCpowersystem.ReviseseismiccategorytoNAforemergency cables.ClarifyNote6regarding designstandards utilizedforNSSS-supplied versusBOP-supplied qualityGroupDpumps.ReplaceEB-15designation withHVRinsystemcolumn,anddefineHVR(T3.4-2).

ReplaceTBCLCWdesignation withCCSinsystemcolumn,andreplace"spare"with"abandoned" forsleevesW1243CandW1244C(T3.4-5).

Figures3.6A-50through3.6A-60SNMiscellaneous corrections to,elevations andpipingIDnumbersbasedonas-builtconditions.

Also,corrections tofigurecross-references.

Page3.6B-,9aPage3.7A-32Page3.8-76Table3.8-15,Sht.1SNClarifytheuseofCT2.0,whichisgenerally usedunlessotherwise justified

~Clarifythatactivation ofthecontainment matresponsespectrumannunciator occurswhenpresetg-'levels atcorresponding frequencies areexceeded.

Includehandcalculations asamethodofanalysisforfoundations ofCategoryIstructures.

Delete326.8ftentryandaddvert)caldisplacement valueforthe322.5ftentry,tobeconsistent withtheactualtestresults.Page3.9A-26bSNDeletereference toSA-449highstrengthbolts,whichhavenotbeenused.Amendment 271020-12177-HC3 SIC-IDJuly1986

~PaesTable3.9A-S,Sht.2Table3.98-2s,Sht.2Page3.10A-5ChangeCodeSNDescritionCorrectsubscripts inthedefinitions ofloadsSRVALLSRVpNEandSRVADSReviseRCICturbinenozzlecalculated loads,FRandMR,basedoncompletion ofstressreconciliation.

Clarifythatcabletraysupportsmayusepinnedconnections tothestructural members.Pages3A.9-1through3A.9-4,SN3A.9-6,3A.10-1,3A.10-2,3A.10-3Table3A.10-1Figure3A.10-4Updatedescriptions oftheLIMITA2andLIMITA3programsbasedontheprogramscurrently inuse.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,andanglestobeconsistent withthedatainTable3A.12-1.Correctpipeelevations from250ftto253ft43/4in(3C-6)andfrom343ft2into342ft8ll/16in(3C-12)and342ft105/8into338ft91/16in(3C-lla)basedonas-builtconditions.

UpdateHELBandMELCsprayandfloodingevaluation discussions.

Junctionandterminalboxessubjected tospraytohaveNEMA12,dripproofenclosures, ratherthanNEMA4(3C-24).Revisesinglefailureevaluation guidelines inItem10consistent withactualanalysismethodology (3C-25).Changetensefrom"willbe"to"are"regarding protection ofcomponents fromspray,andincludestatements regarding junctionboxes(3C-26).Clarifythatnotargetsrequiredforsafeshutdownareinpipingtunnels,changetensefrom"willbe"to"are,"includejunctionboxesaspotential targets,andincorporate previously missingdiscussion forthestandbyAmendment 271020-12177-HC3 SIC-11July1986

/g

~PaesChangeCodeDescritiongastreatment building'(3C-27).

Deletetheexception regarding ascramdischarge volumecrack(3C-28).Incorporate Item10describing assumedvisualleakdetection andleakdetection providedforspecificareas,andreviseorificecoefficient from0.82to0.6orhigher(3C-30).Change"willbe"to"havebeen,"revisethereactorbuildinggeneralfloorareadiscussion basedonidentification ofaMELCinan18in'HRlineasthelimitingcaseforflooding, andincludevisualinspection asameansofleakdetection (3C-32).Deletementionofwaterlevelsensingdevicesandreplacewithvisualdetection within8hrs.forthecontrolbuilding, andrevisepipingtunneldiscussion offloodingeffectsonservicewatersystemequipment inthepipingtunnels(3C-33).deletethephraseregarding 1/4in.ofwaterfordetection plus30min.operatoraction,revisediscussion offloodingofonescreenwell buildingpumpbaybasedonphysicalseparation andvisualdetection at8hr.,andprovidepreviously missingdiscussion forthestandbygastreatment building(3C-34).RevisesystemdesignpressureandmaximumfloodingleakagerateforRDSandSFCsystems(T3C~4-1).RevisesystemdesignpressurefortheHVKsystem,systemdesigntemperature fortheDWSsystemandallmaximumfloodingleakagerates(T3C.4-2).

RevisesystemdesignpressurefortheSWP.system,temperature fortheEGFsystem,andmaximumfloodingleakagerateforboththeSWPandEGFsystems(T3C.4-3).

RevisemaximumfloodingAmendment 271020-12177-HC3 SIC-12July1986 Ipn

~PaesChangeCodeDescritionleakageratesforallsystemsexceptOFG,andlinewallthickness andcircularareafortheCNSsystem(T3C.4-4).

Deletethescramdischarge volumebreakentryfromTable3C.5-1.Page4.5-5Page4.5-8Page5.4-27Page6.1-1Table6.1-3SNSNSNSNAddnutstolistingforcoreplatestudsandcorrectmaterialtypefromASMESA-276toA-276.Clarifythatthereactorinternals purchaseorderswereplacedpriortoissuanceofRevision2toRegulatory Guide1.31.Clarifythatisolation conditions arethoseisolations oftheprimarysystemrequiring RCICoperation.

Clarifythelastsentence.

Periodictestingofthevalverequirespartsreplacement, nestreplacement ofthevalve.DeletelistingforDevconplasticsteelAandrevisequantityforshimmingmaterialfrom475to300lb.Pages6.2-49,6.2-50,6.2-51,6.2-52,6.2-53,6.2-57,6.2-57aSNClarifythatthesecondary contain-mentismaintained atanegativepressureof0.25in.N.G.(6.2-49,6.2-57a).

Deletestatement regarding Regulatory Guide1.52.Compliance withthisguideisaddressed inSection6.5.1.Changevalvestodampers(6.2-50)~ReviseItem3onpage6.2-50andItem8onpage6.2-51toeliminate duplication andtoclarifythereactorbuildingstructural design.Deletediscussion ofthereactorbuildingventilation system(HVRS).Acompletedescription isprovidedinSection9.4.2(6.2-52)~Clarifyoperation oftheHVRSduringaccidentconditions.

Amendment 271020-12177-HC3 SIC-I3July1986

~r,

~PaesPage6.2-75aPage6.2-83Page6.2-84Page6.2-88Tables6'-60,6.2-61Figures6.2-89,6.2-90Table6.2-3,Sht.1ChangeCodeSNSNSN,TSDescritionDelete"butterfly" fromdescription ofventilation systemdampers(6.2-53).

Deletediscussion ofSGTSlinespenetrating thereactorbuilding.,

TheSGTSisfullydiscussed inSection6.5(6.2-53).

Deletephrase"whichisatuniformpressure" (6.2-57).

Clarifythattherecombiner drawsairfromboththedrywellandthesuppression chamber.Revisethedescription ofinterlocks providedfortheH2recombiner skidcoolingwaterblockvalves.Theyarenowinterlocked withtherecombiner discharge linecontainment isolation valvesinsteadofthegasblower.Adddiscussion ofthestrainerblowdowndrainvalveinterlocks.

Clarifycontrolsfortherecombiner airinletandcoolingwaterinlet'alves, Onlythecoolingwaterinletvalvesarecontrolled automatically.

Theairinletvalvesaremanuallyclosed.DeleteItem14.Recombiner coolingwaterorairinletvalvesmotoroverloadalarmhasbeendeletedfromthedesign.Incorporate description ofthelowpressuredrywellbypassleakagetest.Highandlowpressuretestswillbeconducted bymonitoring pressuredecayratherthanactualleakage.Also,drywelltosuppression chamberPrevisedfrom25to25+0.5,-0.0psi(6.2-88,T6.2-61).

ChangePttoPatobeconsistent withtechnical specification terminology (T6.2-60).

Correct200'Fto293'F,whichisthesaturation temperature corresponding toapressureof45psig.Amendment 271020-12177-HC3 SIC-14July1986 r~

~PaesTable6.2-37Table6.2-57Table6.2-56,Sht.22Figure6.2-10Figure6.2-70,Shts.10,16,17,22ChangeCodeSNSNSNSNSN,DescritionCorrecttwovaluesintotaleffective breakareacolumnfrom1.736to1.030consistent withcurrentanalysis.

Correctmaximumcontainment pressureforrecombiner operation from13.3to21.3psig.UnderMonitoring Systems,change"systems" to"loops,"changeoperation fromcontinuous tomanual.ClarifyNote(22).Flowindication isprovidedonlyforflowenteringthehydrogenrecombiner.

Therecombiner willshutdownautomatically ifgasflowdropsbelow50percentofnormalflow.Correctscalenumbersonyaxis.Deletetestconnection notcurrently inthedesign(Sht.10);move,testconnection locationtothevalvebody(Sht.16),correctmarknumberforvalve2RHS*V143 (Sht.17),correctlocationofhoseconnection (Sht.22).Figures6.2-71a,6.2-71bTable6A.10-2,Sht.1SNSN,TSUpdatecontainment atmosphere monitoring systemPAID.Editorial corrections andincorporation ofminoras-builtchanges.Addimplementation ofNUREG-0737, ItemII.B.3requirement fortakinggrabsamples.Incorporate flexiblehosesinvariousinstrument linestoaccommodate differential movementbetweentheprimaryandsecondary containment structures, grouphydrogenandoxygenanalysisintoasingleunittofacilitate operations.

Correctthemaximumservicewatertemperature from77to76'Fconsistent withthetechnical specifications.

Amendment 271020-12177-HC3 SIC-15July1986 I

~PaesTable7.1-2,Shts.1,3ChangeCodeSNDescritionRevisenotereferences, including additionofNote10,clarifying thecomparison betweenUnit2andZimmer-1forthecontainment andreactorvesselisolation controlsystem.Unit2usesballtypeMSIVs.Zimmerdoesnot.Page7.2-21SNReference Ch.15fordiscussion offailures.

Page7.3-5Page7.3-34SNSNClarifydiscussion ofAOSpermissive signal.Replace"logicchannel"with"tripsystem"and"system"with"pump."Deletetheword"all"inregardtosimulation ofactionsresulting fromactuation ofthesystemlevelmanualinitiation switches.

Pages7.4-3,7.4-4Table7.4-1Pages7.5-1,7.5-2,7.5-5SNSNSNReference Ch.3forenvironmental qualification ofRCICandSLC,systemcomponents.

Correctinstrument rangesbasedonactualsuppliedinstruments.

ChangeRCICsystempumplowsuctionpressurefrom0-300psigto30inHgvacuum-0psig,RCICsystemsteamsupplylowpressurefrom0-300psigto0-1500psig,andRCICsystempumpdischarge pressurehighfrom0-3000to0-1500psig.AddlistingfromRCICsystempumphighsuctionpressure.

Correctreferences toNUREG0737taskitemnumbers.Table7.5-1,Sht.1SNCorrectreactorvesselwaterlevelrangefrom"-150-0-60 in"to"-5to205in"perlatestdesigninformation.

Page7.6-7Change"less"to"greater" regarding turbinefirst-stage pressuresetpoint.

Amendment 271020-12177-HC3 SIC-16July1986

~PaesPage7.6-17Page7.6-18ChangeCodeSNSNDescritionClarifytheenvironment qualification ofNMSequipment, consistent withletterNMP2L0589datedJanuary20,1986.Delete"relays"indescription ofisolation devices.Page7.6-20Table7.6-1Table7.6-3,Sht.2SNSNReplace"channel" with"APRMorIRM"toclarifyoperation ofthebypassswitch.Correctinstrument ranges.ChangeRHRshutdowncoolingisolation pressurefrom0-3000to0-1200psigandRHRsteamcondensing modesteamlinepressurehighfrom0-1000to0-500psig.ChangeRCICsteamsupplylineflowhighrangefrom0-600to0-750in.H20basedonactualsuppliedinstrument.

Table7.6-5Table7.6-6Page7.7-8Page7.7-13SNSNCorrectinstrument ranges.ChangeLPRMdownscale andLPRMupscalefrom"2percentto0"to"0to125percentfullscale."UpdateAPRMsysteminstrument data.Clarifytripversusalarmfunctions.

ReviseAPRMdownscale alarmrangeto0to125percentfullscale(4percentnominal)andAPRMupscale(neutrontrip)to0to125percentfullscale(118percentnominal).

ChangeredtowhitelightdisplayforAPRMinoperative.

ClarifytheeffectoftheIRMrangeswitchoninitiation ofarodblock,items4a,4b,4c.Changemaincontrolroom"lights"to"indicators."

Page7.7-22aSNChange"fully"to"greaterthan90percent"consistent withtheactualsystemdesign.Amendment 271020-12177-HC3 SIC-17July1986

/

~PaesPage8.3-13Figure8.3-3,Sht~2ChangeCodeDescritionPaneldesignations changedfrom2VBS*PNLA101 and2VBS*PNLB101 to2VBS*PNLA100 and2VBS*PNLB100.

Page8.3-40Table8.3-3,Sht.2Table8.3-4,Sht.3Page9.3-31SNSNIncludecontrolcircuitsfordualprotection indiscussion ofinstrumentation circuitpenetration currentcarryingcapabilities.

Includecontrolfeedersindiscussion ofelectrical penetrations providedwithprimaryandbackupprotective devices.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).Correctlowpressuresetpointforlagcompressor startfrom100to90psigandtheselectedbackupunitautomatically startswhentheheaderpressurefurtherdecaysbelow85psig,not100psig(p.9.3-4).Revisedescription forserviceairsystemblockvalveoperation.

Valvecanbeopenedlocallyiflow-lowpressurecondition doesnotexist.Valveclosesautomatically onlow-lowpressure(p.9.3-7).Clarifythatequipment andfloordrainpipingisevaluated astotheneedforseismicdesign/support, notjustthesupports.

Revisefirehosetestingrequirements tobeconsistent withthetechnical specifications.

Amendment 271020-12177-HC3 SIC-18July1986

~PaesTable12.3-4Page15.1-4ChangeCodeDescritionUpdatecertaindoseratevaluesconsistent withcurrently calculated values.,Deleteincorrect phraseregarding peakfuelcentertemperature of588'F.Page15.1-8Page15.1-12Table15.2-12SNSNCorrect1020to1010psigasthepressurecorresponding to155percentNBRfeedwater flow.Deleteincorrrect phrase,"justslightlybelowthesetpointofthefirstpressurereliefgroup."Revisetimeforinitiation ofcontrolled depressurization from33.2to33min.consistent withcurrentanalysis.

Page15.3-8Page15.4-15bSNDeleteincorrect statement regarding performance ofthe.analysiswithasingleortwolooppumpseizure.ReviseresultstoindicatethattheMCPRremainsabovethesafetylimit,anddeletethephraseconcerning theMLHGR,consistent withcurrentanalysis.

Table15.4-8SNRevisefuelloadingerroranalysisresultstobeconsistent withanalysis.

MCPRwithmisplaced bundlerevisedfrom1.14to1.13.CPRforeventrevisedfrom0.10to0.11.Pages1.10-86,1.10-91Pages1.10-95,1.10-96SSSSUpdatetoreflectcompletion oftheindicated modifications totheADSandRCICinitiation logic.Deletereference totheintertiebetweentheservicewaterandRBCLCWsystems,whichhasbeenAmendment 271020-12177-HC3 SIC-19July1986 c

~PaesTable3.2-1,Shts.14,15,26f,26gChangeCodeSSDescritiondeleted.However,duringalossofoffsitepower,coolingwaterflowtotheidleRCSpumpsealscanbeestablished viatheCRDpumps.Includepenetrations Z328-3andZ-45tothelistofitemsnotcertified ontheN-5CodeDataReport.Theseareextensions ofprimarycontainment fornonsafety relatedsystems.AddNote41reference onSht.15thatwasinadvertently omittedinAmendment 26.Page3.4-3SSDeletestatement concerning sumppumpsand/ordrains.Theintakeanddischarge

building, el.224ft.,isnotprovidedwithsumppumpsordrains.Pages3.5-4,3.5-4a,3,5-4b,SS3.5-4c,3.5-5,3.5-5a,3.5-5bIncorporate discussion ofhydrogen, oxygen,andnitrogencompressed gas,cylinders aspotential

missiles, including Justification forwhytheyarenotcrediblemissiles.

Page3.9A-11Tab1e3.9A-4Page3.9B-16SSSSSSIncludepneumatic andhydraulic valveactuators thatarequalified bydynamictesting(Item4).Incorporate statement regarding qualification ofvalvesbyanalysisonly.Clarifyacceptance criteria1forcaseswheretheTRSdoesnotenveloptheRRS.UpdatetheBOPseismic/dynamic qualification resultssummaryformechanical equipment basedoncompletion ofthequalification program.Theself-cleaning strainers, guideline IEEE334-1975, shouldgoto334-1974.

ReviseSection3.9.1.2.3B to.describeuseoftheANSYScodeinanalyzing therecirculation pumpcasing,Amendment 271020-12177-HC3 SIC-20July1986 r

~PaesPage4.5-3Page5.3-6Page6.1-2ChangeCodeSSSSSSDescritionDeletestatement concerning dyepenetrant examinations, whichhavenotbeenperformed.

Includereferences to10CFRSOAppendixGrequirements concerning pressure/temperature limitations.

Revisetoindicatethatpaintingofstainless steelmaybepermitted providedthatthepaintsdonotcontaincontaminants thatwouldbeharmfultothestainless steel.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,TSUpdatecontainment spraysystemdescription.

Revisesprayflowsfrom7450to6880gpm/loop(dry-well)and450to420gpm/loop(suppression chamber);

revisefigurereferences showingspraypatterns(6.2-46a).

Revisespraysystemflowpercentages from95to94percent(drywellheader)aod5to6percent(wetwellheader)(6.2-46b).

RevisenumberofspraynozzlesperloopandcorrectSPRACOnozzlenumber(T6.2-51).

Addnoteregarding sprayrates(T6.2-52).

Revisespraypatterns(F6.2-41through6.2-43)toshowcurrentapproximate patterns.

Addtheyardasatermination pointforbypassleakagepaths(p.6.2-54).Addadditional bypassleakagepathsconsisting ofinstrument airandnitrogensupplylines(6.2-54a, T6.2-S5a, T6.2-SSb).

Deletediscussion regarding processlinesthathavenitrogensealsthatpreventbypassleakage,including thediscussion fortheinstrument airsystemIAS(6.2-54b, 6.2-55a,6.2-55b,T6.2-56,Sht.24a,F6.2-88).

Clarifythatnocreditistakenforawatersealinthefeedwater systempiping(6.2-54b).

DeleteNote30frompenetrations 48,23,39,40,43,45,53A,538,Amendment 271020-12177-HC3 SIC-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,and918sincetheselinesareconsidered asbypassleakagepaths,andchange"NO"to"YES"forpenetration 32(T6.2-56, Shts.2,6,7,8,9,10,11,14).Therestricting orificeintheHPCSdischarge linefromthepumptotheinjection valvehasbeendeleted.Theorificehasbeendetermined tobenotnecessary tolimitflowbelowthepumprunoutlimit.Updatedtoreflectrecentanalysesperformed forthedowncomers, andtoincorporate editorial correc-tions.AddpedestaltoFig.6A.1-3.Revisetablenumber(6A.2-7).

Addreferences 9and10(6A.2-14).

Deleteredundant loadcombination (T6A.2-la, Sht.1).Addclarifying note(1)(Table6A.2-la,Sht.2).Revisenote1regarding timedur-ationandcorrectfiguretitle(F6A.2-13).

Addequivalent occur-rencefactor(EOF)of3'forthedowncomer evaluation andchange0.20to0.25(6A.3-21, 6A.4-22,6A,4-23).

Addfootnote*indicator todowncomer indexnumbers65and117(T6A.4-10, Sht.2).Figure6A.4-48revisedtoincorporate currentanalysisresults.Revise123to121downcomers (6A.9-4).

Revise115to113downcomers anddeletementionoffourtruncated vacuumbreakerdowncomers notsubmerged inthepool(6A.9-5).

Addreference toTable6A.9-2aand6A.9-2b(6A.9-6).

Provideupdateddowncomer ASMECodeClass2stresssummaryresults(T6A~9-2a).Addtableshowingdowncomer functional capability stresssummaryresults(T6A.9-2b).

Amendment 271020-12177-HC3 S1C-22July1986

't

~PaesPages7.6-2a,7.7-5Pages8.1-2,8.1-3Figure8.1-1Page8.3-24aPage8.3-59PageQ&RF430.24-2 Pages9.1-31,9.1-41,9.1-42Figure9.1-7Pages12.5-7a,12.5-9Pages9.2-10,9.2-11,9.2-12,9.2-13,9.2-16ChangeCodeSSSSSS,TSSS,TSSSDescritionDeletestatement regarding IEEE279applicability tohigh/lowpressureinterlocks.

Conformance withthisstandardisdiscussed inSection7.6.2.2.Deletereference toSection7.2.1.2.2 formainsteamlineleakdetection (p.7.6-2a).Clarifydetermination ofAPRMandRBMrodblocksettings.

Updatedescription oftheNMPCutilitygridincluding thetotalcircuitmileage,numberof115-kVand345-kVlines,andinterconnections toreflectthecurrentgridsystem.ClarifythatfortheHPCSdieselgenerator, aLOCAsignalwouldoverridetheteststartsignalduringtheautomode.Correctequalizing chargevaluefrom139.8to137.5voltsforDivisionIIIconsistent withtheresponsetoQuestionF430.24(8.3-59).

139.8voltsiscorrectforDivisions IandII.Revise137.4to137.5voltsdcintheresponsetoQuestionF430.24.Revisewatershielding foractivefuelintransitbasedonfinalfuelbundledimensions andfuelgrappleelevation.

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).Deleterecirculation pumpsealcoolersfromalistofcomponents providedbackupcodingbytheRBCLCHsystem(pp.9.2-10,9.2-12,9.2-16).Clarifythatacombination ofanytwomainpumps,Amendment 271020-12177-HC3 SIC-23July1986

~PaesChangeCodeDescritiontwoboosterpumps,andtwo,heatexchangers willprovidemaximumheatremovalcapacity, whilemaintaining acoolingwatertemperature of89'F(insteadof95').Delete"whenservicewatertemp.is77'F."(p.9.2-12)Changelockedtonormallyclosedisolation valves(p.9.2-13).Page9.5-6SSClarifyactuation ofHalon1301systemsbyaddingthatthemaincontrolroomPGCCsystemsareactuatedbythermaldetection andtheradwastesystemsareactuatedbysmokedetection.

(LetterNo.NMP2L0512datedOctober11,1985.)Pages9.5-25,9.5-25aSSIncludediscussion offueloildaytankventcapability intheeventofatornado.Discusstheabsenceofflamearrestors ontheventlines,whichisacceptable perAPIStandardNo.2000.Pages9.5-42,9.5-43a,9.5-43b,9.5-51bTables11.2-3,11.2-5,11.2-6SSSSReviseDivisionIIIdieselgenerator auxiliary systemdescriptions.

Changemaximumstartingairoperating pressurefrom250to240psig.Anautomatic separator, ratherthanadrain,removescondensate fromthestartingair(9.5-42).

Clarifythatairstart,systemcontrolsarelocatedonapanelnearthecompressor, andontheairdryer(9.5-43a).

Deletestatement thatairdryerisseismically qualified (9.5-43b).

Deletestatement concerning maintaining dieselgenerator roomtemperature above65'F(9.5-5lb).

Revisematerialandconcentration balanceforliquidwastesystembasedonlatestestimates (T11.2-3).

Revisedesignandexpectedannualliquidreleasesduetorevisedbalanceandchangeinreleaseduetoanticipated operational occurrences from0.15to0.1Cl/yr.Amendment 271020-12177-HC3 SIC-24July1986

~PaesPages11.4-3a,11.4-5ChangeCodeSSDescritionThesolidradwastebackupfacilitywillusecontainers sizedupto200cu.ft.Page15.6-12a.l Table15.6-13,Sh.2,9,9a,10Tables15.6-15b,15.6-16bSSIncorporate revisedradiological effectsanalysisresultstoincor-porateadditional bypassleakagepathcontributi.ons.

Controlroomfreeairvolumeandintakeratevaluesrevisedalso.(LetterNo.NHP2L0761datedJune30,1986.)Amendment 271020-12177-HC3 SIC-25July1986 00r NINEMILEPOINTNUCLEARSTATIONUNIT2NIAGARAMOHAWKPOWERCORPORATION FSARAMENDMENT RECEIPTACKNOWLEDGEMENT Iacknowledge receiptof:Amendment 27Mycopyhasbeenupdated,andsuperseded pageshavebeenremovedanddestroyed.

SetReassinmentand/orSetHolderChaneofAddress(ifnecessary)

Pleasereassignthismanualto,and/orchangemyaddressasfollows:Pleasefurnishallrequested information andreturnto:A.L.MonahanStone6WebsterEngineering Corporation 3Executive CampusP.O.Box5200CherryHill,NJ08034NameofsetholderSetNo.CompanySignature Date2458-1217718-HC2 0{'>&"

INSERTION INSTRUCTIONS Thefollowing instructions arefortheinsertion ofthecurrentamendment intotheNineMilePointUnit2FSAR.Removepages,tables,and/orfigureslistedintheREMOVEcolumnandre-placethemwiththepages,tables,and/orfigureslistedintheINSERTcolumn.Dashes(---)ineithercolumnindicatenoactionrequired.

Verticalbarshavebeenplacedinthemarginsofinsertedpagesandta-blestoindicaterevisionlocations.

Amendment 272453-1217718-HC2 FII-1July1986 e

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME2RemoveT1.8-1(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/64h 1.10-85h/86 1.10-91/92 1.10-95/96 1.10-101/102 1.12-11/12 1.12-37/38 1.10-64gb/64h 1.10-85h/86 1.10-91/92 1.10-95/96 1.10-101/102 1.12-11/12 1.12"37/38 Amendment 272453-1217718-HC2 FII-2July1986

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME3Remove2.4-27/28, 2.5-167/167a 2.5"167b/167c 2.5-194a/194b Insert2;4-27/28 2.5-167/167a 2.5-167b/167c 2.5-194a/194b Amendment 272453-1217718-HC2 July1986

.1 INSERTION INSTRUCTIONS VOLUHE4RemoveF2.5-96EF2'-96FF2.5-188InsertF2.5-96EF2.5-96FF2.5-188Amendment 272453-1217718-HC2 July1986

ineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME8Remove3-xli/xlil 3.1-33/34 3.1-47/48 Insert3-xli/xlil 3.1-33/34 3.1-47/48 T3.2-1T3.2-1T3.2-1T3.2-1T3.2"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)Amendment 272453-1217718-HC2 FII-5July1986 I

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME9RemoveInsert3.5-3/43.5-4a/4b 3.5-4c/4d 3.5-5/63.6A-5/63.6A-37/38 3.6Aslipsheet3.5-3/43.5-4a/4b 3.5-4c/4d 3.5-5/5a3.5"5b/63.6A-5/63.6A-37/38 3.6AslipsheetAmendment 272453-1217718"HC2 FII-6July1986 e

ineMilePointUnit2FSARRemoveINSERTION INSTRUCTIONS VOLUME10Insert3.6AslipsheetF3.6A-52F3.6A-53F3.6A-54F3.6A-55F3'A-56F3.6A-57F3.6A-58F3.6A-59F3.6A-603.6B-9/9a T3.6B-23.7A-7/7a 3.7A-31/32 3.8-37/38 3.8-75/76 T3.8-5(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>>9/9a T3.6B"23.7A-7/7a 3.7A-31/32 3.8-37/38 3.8-75/76 T3.8-5(1and2of2)T3.8-6(1and2of2)T3.8-7(1and2of2)T3.8-15(1of2)Amendment 272453-1217718-HC2 FII-7July1986

NineMilePointUnit2FSARRemove3.9A-9/9a 3.9A-11/12 3.9A-15/16 3.9A-21/21a 3.9A-26a/26b T3.9A-4(1of6)T3.9A-4(2of6)T3.9A-4(3of6)T3.9A-4(5of6)T3.9A-4(6of6)T3.9A-5(2of3)3.9B-15/16 T3.9B-2s(2of2)INSERTION INSTRUCTIONS VOLUMEllInsert3.9A-9/9a 3.9A-ll/lla 3.9A"lib/12 3.9A-15/16 3.9A-21/2la 3.9A-26a/26b T3.9A-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"15/16 3.9B-16a/16b T3.9B-2s(2of2)Amendment 272453-1217718-HC2 FII-8July1986

/I NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME12RemoveInsert3.10A-5/-

3A-i/ii3A-v/vi3A-vii/viii 3A-ix/x3A.9-1/23A.9-3/43A.9"5/63A.10-1/2 3A.10"3/-

F3A.12-1F3A.22-13C-5/63C-ll/lla 3C-lib/12 3C-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/viii 3A-ix/x3A.9-1/23A.9-3/43A.9-5/63A.10-1/2 3A.10-3/-

T3A.10-1F3A.10-4F3A.12-1F3A.22-13C-5/63C-ll/lla 3C-lib/12 3C-23/243C-25/263C-26a/26b 3C-27/27a 3C-27b/28 3C-29/303C-30a/30b 3C-31/323C"33/34T3C.4-1T3C.4-2T3C.4-3T3C.4-4T3C.5"14.1-5/64.5-3/44.5-5/64.5-7/84.6-3/4Amendment 272453"1217718-HC2 FII-9July1986 7e ineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME13RemoveF5.1-2(1through3of3)5.3-5/65.3-7/7a5.3-21/22 5.4-27/28 5.4-41/42 6-xa/xb6-xv/xvi6-xvii/xviii 6-xix/xixa 6-xixb/xx 6.1-1/2T6.1"1(1of2)T6.1-3InsertF5.1-2(1through3of3)5.3-5/65.3-7/7a5.3-21/22 5.4-27/28 5.4-41/42 6-xa/xb6-xv/xvi6-xvii/xviii 6-xix/xixa 6-xixb/xx 6.1-1/2T6.1-1(1of2)T6.1-3Amendment 272453-1217718-HC2 FII-10July1986 0

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME14Remove6.2-46a/46b 6.2-49/50 6.2-51/51a 6.2-51b/52 6.2-53/53a 6.2-53b/54 6.2-54a/54b 6.2-55/55a 6.2-55b/55c 6'-57/57a6.2-73/74 6.2-75/75a 6.2-77/77a 6.2-83/83a 6.2-83b/84 6.2-85/85a 6.2-85b/86 6.2-87b/88 T6.2-3(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/46b 6.2-49/50 6.2-51/5la 6.2-51b/52 6.2-53/53a 6.2-53b/54 6.2-54a/54b 6.2-55/55a 6.2-55b/55c 6.2-57/57a 6.2-73/74 6.2-75/75a 6.2-77/77a 6.2-83/83a 6.2-83b/84 6.2-85/85a 6.2-85b/86 6.2-87b/88 T6.2-3(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)Amendment 272453-1217718-HC2 FII-11July1986

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME14(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'6.2-88F6.2-89F6.2-90Amendment 272453-1217718-HC2 FII-12July1986

ineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME15Remove6.3-10a/10b 6.3-11/12 6.3-15/16 6.3-31/32 F6.3-1(1of2)T7.1-2(1of3)T7.1"2(3of3)7.2-21/-7.3"5/67.3-19b/20 7.3-33/34 Insert6.3-10a/10b, 6.3-11/12 6'-15/166.3-31/32 F6.3-1(1of2)T7.1-2(1of3)T7.1-2(3of3)7.2-21/-7.3-5/6.7.3-19b/20 7.3-33/34 Amendment 272453-1217718-HC2 FII-13July1986 k0 NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOIUME16RemoveInsert7.4-3/4T7.4-17.5-1/27.5"5/6T7.5-1(1of14)7.6-2a/2b 7.6-3b/47.6-7/87.6-17/18 7.6"19/20 7.6-21/22 T7.6-1T7.6-3(2of2)T7.6-5T7.6-6F7.6-7F7.6-87.7-5/67.7-7/87.7-13/14 7.7-22a/22b 7.7-23/24 8.1-1/28.1-3/4F8.1-18.3-13/14 8.3-24a/24b 8.3-39/40 8.3-59/60 7.4-3/4T7.4-17.5-1/27.5-5/6T7.5-1(1of14)7.6-2a/2b 7.6-3b/47.6-7/87.6-17/18 7.6-19/20 7.6-21/22 T7.6-1T7.6-3(2of2)T7.6-5T7.6-6F7.6-7F7.6-87.7-5/67.7-7/87.7-13/14 7.7-22a/22b 7.7-23/24 8.1-1/28.1-3/3a8.1-3b/4F8.1-18.3-13/14 8.3-24a/24b 8.3-39/40 8.3-59/60 Amendment 272453-1217718"HC2 FII-14July1986

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME17RemoveInsertT8.3-3(2of2)T8.3-3AT8.3-4(3of60)F8.3-3(2of2)9.1-31/32 9.1-41/42 F9.1-7T8.3-3(2of2)T8.3-3AT8.3-4(3of60)F8.3-3(2of2)9.1-31/32 9.1-41/42 F9.1-7Amendment 272453-1217718-HC2 FII-15July1986 0P NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME18Remove9.2-9/109.2-11/lla 9.2-11b/12 9.2-13/14 9.2-15/16 Insert9.2-9/109.2-11/lla 9.2-11b/12 9.2-13/14 9.2-15/16 Amendment 272453-1217718-HC2 FII-16July1986

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ineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME19Remove9.3-3/49.3-7/89.3-23/23a 9.3-23b/24 9.3-25/26 9.3-26a/26b 9.3-27/28 9.3-31/32 F9.3-13(1of10)F9.3-14(1of3)F9.3-14(3of3)F9.3-15F9.3-16(6of7)Insert9.3-3/49.3-7/89.3-23/23a 9.3-23b/24 9.3-25/26 9.3-26a/26b 9.3-27/28, 9.3-31/32 F9.3-13(1of10)F9.3-14(1of3)F9.3-14(3of3)F9.3-15F9.3-16(6of7)Amendment 272453"1217718-HC2 FII-17July1986

INSERT10N INSTRUCTIONS VOLUME21Remove9.5-5/69.5-6a/6b 9.5-25/25a 9.5-25b/26 9.5-41b/42 9.5-43/43a 9.5-43b/44 9.5-51b/52 9.5-65/66 Insert9.5"5/69.5-6a/6b 9.5-25/25a 9.5-25b/26 9.5-4lb/42 9.5-43/43a 9.5-43b/44 9'-51b/529.5-65/66 T9.5-3(9aofll)Amendment 272453"1217718-HC2 FII-18July1986

NineNilePointUnit2FSARINSERTION INSTRUCTIONS VOIlME23RemoveInsert9A.3-15/16 9A.3-17b/18 9A.3-31/31a 9A.3-51b/52 F10.1-4athrough4dF10.1-7athrough7w10'-3/3a9A.3-15/16 9A.3-17b/18 9A.3-31/31a 9A.3-51b/52 F10.1-4athrough4dF10.1-7athrough7w10.2-3/3a Amendment 272453-1217718-HC2 FII-19July1986 r~i INSERTION INSTRUCTIONS VOLUME24Remove10.3-1b/2 10.4-9/10 10.4-17/18 10.4-27/28 T10.4-2Insert10.3"1b/2 10.4-9/10 10.4-17/18 10.4-27/28 T10.4-2T11.2"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)Amendment 272453-1217718-HC2 FII-20July1986

NineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME25RemoveInsert11.4-3/3a 11.4-3b/4 11.4-5/6F11.4-lathr'oughlhT12.3-4(1through4of4)11.4-3/3a 11.4"3b/4 11.4-5/6F11.4-1athrough1hT12.3-4(1through4of4)Amendment 272453-1217718-HC2 FII-21July1986

INSERTION INSTRUCTIONS VOLUME26RemoveInsert12.5-7/7a 12.5-9/10 12.5-7/7a 12.5-9/10 Amendment 272453-1217718-HC2 FII-22July1986

ineMilePointUnit2FSARINSERTION INSTRUCTIONS VOLUME27RemoveInsert15.1-3/415.1-7/815.1-11/12 T15.2-1215.3-7/815.4-15b/16T15.4-815.1-3/415.1-7/815.1-11/12 T15.2-1215.3-7/815.4-15b/16 T15.4-815.6-12a/12a.l T15.6-13(2of11)T15.6-13(9ofll)T15.6<<13(10ofll)T15.6-15bT15.6-16b15.6-12a/12a.l T15.6-13(2ofll)T15.6-13(9ofll)T15.6-13(9aof11)T15.6-13(10of11)T15.6"15bT15.6-16bAmendment 272453-1217718"HC2 FII-23July1986 r0!

ineMilePointUnit2FSARINSERTION INSTRUCTIONS QUESTIONS AND'ESPONSES VOLUME1RemoveInsertQSRF210.38-1/2 QSRF251.1-1/2 QSRF210.38-1/2 Q&RF251.1-1/2 Amendment 272453-1217718-HC2 FII-24July1986 7

INSERTION INSTRUCTIONS QUESTIONS AND'ESPONSES VOLUME2RemoveQ&RF280.23-1/-

SSC-5/6Q&RF421.13-1/2 Q&RF421.13-5/6 Q&RF421.20-1/2 Q&RF421.23-1/2 Q&RF421.23-3/-

T421.36-1(1of18)T421.36-1(2of18)T421.36-1(14of18)Q&RF430.24-1/2 Q&RF430.36-1/2 Q&RF430.44'-1/-

Q&RF430.49-1/-

Q&RF430.71"1/-

InsertQ&RF280.23-1/-

SSC-5/6Q&RF421.13-1/2 Q&RF421.13-5/6 Q&RF421.20"1/2 Q&RF421;23-1/2 Q&RF421.23"3/".

T421.36-,1 (1of18)T'421.36-1 (2of18)T421.36-1(14of18)Q&RF430.24-1/2 Q&RF430.36-1/2

~Q&RF430.44-1/-Q&RF430.49-1/-

Q&RF430.71-1/-

Amendment 272453-1217718-HC2 FII-25July1986

INSERTION INSTRUCTIONS QUESTIONS ANDRESPONSES VOLUME3RemoveQ&RF492.7-1/2 Q&RF620.1-1/-

Q&RF620.01-1/2 Q&RF620.05-1/"

Q&RF640.34-3/4 InsertQ&RF492.7-1/2 Q&RF620.1"1/-

Q&RF620.01-1/2 Q&RF620.05-1/-

Q&RF640.34-3/4 Amendment 272453-1217718-HC2 FII-26July1986

ineMilePointUnit2FSARINSERTION INSTRUCTIONS DESIGNASSESSMENT REPORTAPPENDIX6ARemove6A-viib/viii 6A-ixb/x6A-xiii/xiv F6A.1-36A.2-7/86A.2-13/14 T6A.2-la(1and2of2)F6A.2-136A.4-21/22 6A.4-23/24 T6A.4-10(2of3)F6A.4-486A.9-3/46A.9-5/6Insert6A-viib/viii 6A-ixb/x6A-xiii/xiv F6A.1-36A.2-7/86A.2-13/14 T6A.2-1a(1and2of2)F6A.2-136A.4-21/22 6A.4-23/24 T6A.4-10(2of3)F6A.4-486A.9-3/46A.9-5/6T6A.9-2aT6A.9-2bT6A.10-2(1of2)T6A.10-2(1of2)Amendment 272453-1217718"HC2 FII-27July1986

ineMilePointUnit2FSARINSERTION INSTRUCTIONS SAFESHUTDOWNANALYSISAPPENDIX9BRemoveT9B.8-1(66of75)T9B.8-1(75of75)InsertT9B.8-1(66of75)T9B.8-1(75of75)T9B.8-1(75aof75)Amendment 272453-1217718-HC2 FII-28July1986 e

41.eMilePointUnit2FSARINSERTION INSTRUCTIONS LISTOFEFFECTIVE PAGESRemoveInsertEP-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-2Amendment 272453-1217718-HC2 FII-29July1986 0

I7NIAGARA'MOHAWK~yNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511July24,1986(NMP2L0793)Mr.RobertBernero,DirectorDivisionofBWRLicensing OfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr.Bernero:

Re:Amendment 27toApplication toOperating LicenseNineMilePointUnit2DocketNo.50-410Inaccordance with10CFR50.30(c)(l) andyourMarch29,1983letter,enclosedarethreeoriginals and60copiesofAmendment 27totheFinalSafetyAnalysisReport.Thesechangesincorporate certainresponses intothetextoftheFinalSafetyAnalysisReport.Alsoincludedarechangesthathaveresultedfromourcontinuing reviewofthesedocuments.

Intheoriginalsubmittal oftheFinalSafetyAnalysisReportonJanuary25,1983,werequested proprietary statusforcertainfiguresinSection6Ainaccordance with10CFR2.790.

TheSeptember 21,1983letterfromA.Schwencer toG.K.Rhodeapprovedthisproprietary status.Amendment 27containsupdatestoafigureinSection6A.AlsoenclosedistheSummaryofIncorporated Changes.ThislististoassisttheNuclearRegulatory Commission inreviewing Amendment 27.Verytrulyyours,C.V.ManganSeniorVicePresident JM:ja1853GEnclosures xc:W.A.Cook,NRCResidentInspector ProjectFile(2)D~Sa)S>~Pn)L.PERIL~p{)~

IyOyOJ1I