ML17320B073

Revised Application for Amend to License DPR-74.Amend Reflects Addl Limitation on Nuclear Enthalpy Rise Hot Channel Factor Due to New Loca/Eccs Analysis in Support of Cycle 5 Reload.Application Part of 840301 Submittal

ML17320B073
Person / Time
Site:	Cook
Issue date:	05/21/1984
From:	ALEXICH M P INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	DENTON H R Office of Nuclear Reactor Regulation
Shared Package
ML17320B074	List: ML17320B073 ML17320B075
References
AEP:NRC:0860K, AEP:NRC:860K, NUDOCS 8405290295
Download: ML17320B073 (10)

Text

REGULATORYIFORMATIONDISTRIBUTIONSYEIA(RIDE)ACCUSSIIlfNNBR8'5290295DOC8DATE~84/05/21NOTARIZED~NODOCKETFACIL:50316DonaldO~CookNuclearPowerPlentyUnit2FIndiana805000316AUTH~NAI<EAUTIIORAFFILIATION)ALEXICHFM.P,Indiana8MichiganElectricCo,RECIP~NAMERECIPIENTAFFILIATIONDENTONFHBR~OfficeofNuclearReactorRegulationiDirector

SUBJECT:

RevisedapplicationforamendtoLicenseDPR74.AmendreflectsaddilimitationonnuclearenthalpyrisehotchannelfactorduetonewLOCA/ECCSanalysisinsupportofCycle5re'load.Applicationpartof8ff0301submittal+DISTRIBUTIONCODE:IE26SCOPIESRECEIVED:LTRENCLgSIZEGjL4,2~I(,TITLE:Start-UpReport/RefuelingReport(50kt)NOTES:RECIPIENTIDCODE/NAMENRRORB1BC04INTERNAI.:IEFILEOlNRR/DHFSDIR08NRR/DSI/CPB12COPIESLTTRENCL33111111RECIPIENTIDCODE/NAMENRR/DHFSDEPY07NRR/DHFS/PSRB11RM/DDAMI/MIB09COPIESLTTRENCLEXTERNAL:ACRS13NRCPDR02NTIS551111LPDRNSIC0305COri)~~.e.Fi~TOTALNUMBEROF.COPIESREQUIRED:LTTR18ENCL18 ItiinnnnIiIH)i'ii~

INDIANA8NICHIGANELECTRICCOMPANYP.O,BOX16631COLUMBUS,OHIO43216May21,1984AEP:NRC:0860KDonaldC.CookNuclearPlantUnitNo.2DocketNo.50-316LicenseNo.DPR-74REVISIONTOTHEAPPLICATIONFORCHANGESTOTHEUNIT2TECHNICALSPECIFICATIONFORTHECYCLE5RELOADMr.HaroldR.Denton,DirectorOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555

DearMr.Denton:

Thisletteranditsattachmentsconstitutearevisiontoourapplication(AEP:NRC:0860,datedMarch1,1984)foramendmenttotheDonaldC.CookNuclearPlantUnitNo.2AppendixATechnicalSpecifications(T/S).ThisproposedrevisionisinresponsetoconcernsraisedbytheNRCduringthereviewofourproposedUnit2Cycle5reloadlicenseapplication.Specifically,theproposedchangereflectsanadditionallimitationonthenuclearenthalpyrisehotchannelfactor(FI"),duetothenewLOCA/ECCSbHanalysis.TheanalysiswasperformedinsupportoftheCycle5reloadasaresultofyourstaff'sreview.Attachment1tothisletterprovidestheresultsandbasesofthenewLOCA/ECCSanalysisasitrelatestoF><.Theanalysiswasperformedbyourfuelsvendor(ExxonNuclear,Co.).TheresultsofthisanalysiswerenotavailabletousuntilMay18,1984.WemetwithyourstaffonMay18,1984inanopenmeetingtodiscusstheresultsofthenewanalysisandoursuggestedT/Schanges.WehaverevisedtheproposedT/SbasedontheNRC'scomments.DuetothefactthatourUnit2startup(i.e.,entryintoMODE4)iscurrentlyscheduledforJune10,1984andthatwe,wereonlyabletoverifytheneedfortheproposedchangeveryrecently,werequestthatthetimefornoticeandpublicationintheFederalRegisterbeshortenedonschedulecommensuratewithourscheduledreloadstartupdate;Basedonourreview,theproposedchangetothetechnicalspecificationisbasedonanalyticalmethodswhichweweretoldwerefoundacceptabletotheNRC.Inaddition,theresultsoftheanalysisarewithinallacceptancecriteriawithrespecttotheECCS.Therefore,webelievetheproposedchangedoesnotinvolveasignificanthazardsconsiderationasdefinedin10CFR50.92.Inaddition,sincetheproposedT/Skeepstheplantwithinalldesignbases,thechangewillnotadverselyimpacttheenvironment.':.8405290295840521,'PDRADOCK05000316.sp;PDR CpPgIII Mr.HaroldR.DenAEP:NRC:0860KAttachment2tothislettercontainstheproposedrevisedT/Spages.Thechangesareindicatedbyverticalbarsdrawnontherighthandmarginofthepage.TheproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommitteeandwillbereviewedbytheNuclearSafetyandDesignReviewCommitteeatitsnextmeeting.Pursuanttotherequirementof10CFR50.91(b)(1),acopyofthisletteranditsattachmentshavebeentransmittedtotheStateofMichigan.Inaddition,commensuratewithourrequestforshorteningtheperiodfornoticeandpublicationintheFederalRegister,wenotifiedtheStateofMichiganby,telephoneonMay21,1984ofthisrequestedamendmenttoourT/S.WeconsiderthisapplicationforalicenseeamendmenttobepartoftheapplicationsubmittedinourletterAEP:NRC:0860.Therefore,weinterpret.10CFR170.22asnotrequiringanyadditionalpaymentsforprocessingtheaforementionedrequest.ThisdocumenthasbeenpreparedfollowingCorporateprocedureswhichincorporateareasonablesetofcontrolstoinsureitsaccuracyand,completeness'priortosignaturebytheundersigned.VerytrulyyourIM.P.AlehachVicePreidentMPA/dewAttachmentcc:JohnE.DolanW.G.Smith,Jr.-BridgmanR.C.CallenG.CharnoffE.R.Swanson,NRCResidentInspector-Bridgman 0J!'1pl,I1IapIllE Mr.HaroldR.DentAEP:NRC:0860KATTACHMENT1TheLOCA/ECCSanalysisforUnit2,Cycle5operationwithuptofivepercent(5%)ofthesteamgeneratortubespluggedwasperformedbyExxonNuclearCo.(ENC).TheanalysiswasperformedusingtheEXEM/PWRmodelwithchangesasexplainedintheENCletterJCC:076:84datedMay7,1984.LetterJCC:076:84wastransmittedtoyouinourletterAEP:NRC:0860F,datedMayll,1984.TheresultsofthenewECCS/LOCAanalysisarepresentedintheattachedTables2.1,3.2,3.4,andFigures3.41,3.42,and3.43.Forbreaksuptoandincludingthedouble-endedseveranceo'fareactorcoolantpipe,thenewanalysisshowedthattheUnit2EmergencyCoreCoolingSystemwillmeettheacceptancecriteriaaspresentedin10CFR50.46foroperationwithENC17x17fueloperatinginaccordancewiththepeakingfactorlimitsnotedinTable2.1.Thatis:1.Thecalculated'eakfuelelementcladtemperatureodoesnotexceedthe2200Flimit.2.Theamountoffuelelementcladdingthatreactschemicallywithwaterorsteamdoesnotexceed1%ofthetotalamountofzircaloyinthereactor.3.Thecladdingtemperaturetransientisterminatedatatimewhenthecoregeometryisstillamenabletocooling.Thehotfuelandcladdingoxidationlimitsof17%arenotexceededduringorafterquenching.4.Thecoretemperatureisreducedanddecayheatisremovedforanextendedperiodoftime,asrequiredbythelong-livedradioactivityremaininginthecore.BasedonthenewLOCA/ECCSanalysisperformed,thelimitonFH,is1.415.Whenincludedinthe,T/S,thisvalueisreducedby40toaccountformeasurementuncertainty.ThustheF<limitforoperationathHAH100%poweris1.36.Xnadditiontotheabovelimitation,itwasalsonecessarytochangetheallowanceforincreasedF~basedonreducedpowerwhenF~<islimited,AHH.byECCSanalyses,butnotlimitedbyDeparturefromNucleateBoiling(DNB).Thischangeisreflectedbythephrase"F<~~1.36/PforExxonNuclearCo.fuel"includedintherevisedTechnicalSpecifications.

e'I14~(I~gPhCP'IgPdW'g~i,'1)VCf.>JVfII)pIIiU'"~"(1IIItI'I.'lIlQ)'V$fLlf%'J'lLf'lgI'Ilci'I Mr.HaroldR.Denf<JAEP:NRC:0860Kbc:J.G.FeinsteinJ.M.Cleveland/G.L.John/V.VanderburgH.N.Scherer,Jr./S.H.Horowitz/R.C.CarruthR.F.Hering/S.H.Steinhart/J.A.KobyraR.W.JurgensenR.F.KroegerT.P.Beilman-BridgmanJ.F.Stietzel-BridgmanB.H.Bennett/F.S.VanPelt,Jr.J.B.ShinnockD.Wigginton,NRC-Washington,D.C.,AEP:NRC:0860KDC-N-6015.1DC-N-6485'NMFM233

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