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| {{#Wiki_filter:ACCELERATEDDIK+BUTIONDEMONSTR+OAISYFI'EM~~REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR-8901120447DOC.DATE:88/12/30'OTARIZED:NODOCKETFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,Indiana&05000315AUTH.NAMEAUTHORAFFILIATIONALEXICH,M.P.IndianaMichiganPowerCo.(formerlyIndiana&MichiganEleRECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk) | | {{#Wiki_filter:ACCELERATED DIK+BUTION DEMONSTR+OAI SYFI'EM~~REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR-8901120447 DOC.DATE: |
| | 88/12/30'OTARIZED: |
| | NODOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana&05000315AUTH.NAMEAUTHORAFFILIATION ALEXICH,M.P. |
| | IndianaMichiganPowerCo.(formerly Indiana&MichiganEleRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk) |
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| ==SUBJECT:== | | ==SUBJECT:== |
| ApplicationforamendtoLicenseDPR-58,modifyingTechSpec4.1.1.5remintempforcriticality.DISTRIBUTIONCODE:AOOIDCOPIESRECEIVED:LTRJENCLQSIZE:7~TITLE:ORSubmittal:GeneralDistributionNOTES:RECIPIENTIDCODE/NAMEPD3-1LASTANG,JINTERNAL:ARM/DAF/LFMBNRR/DEST/CEB8HNRR/DEST/MTB9HNRR/DEST/SICBNRR/PMAS/ILRB12OGC/HDS1RES/DSIR/EIBEXTERNAL:LPDRNSICCOPIESLTTRENCL1011101.11111111011111.1RECIPIENTIDCODE/NAMEPD3-1PDNRR/DEST/ADS7ENRR/DEST/ESB8DNRR/DEST/RSB8ENRR/DOEA/TSB11NUDOC-BSTRACTGFg01NRCPDRCOPIESLTTRENCL2211111111111111NOTE'roALL"RIDS"RECIPXZmS.(/dcgg/<~~2.9(~g~hDSPZZASEHELPUSK)REDUCEWIPE!CGHIACZ'%HEDOCUMEÃZCONTROLDESKiROOMP1-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRZKITIONLISTSFORDOCGKBTZSYOUDGNiTNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR20ENCL17 IndianaMichiganPowerCompanyP.O.Box16631Columbus,OH43216IMEHANllNlCMGANROMEOAEP:NRC:1067A10CFR50.90DonaldC.CookNuclearPlantUnit1DocketNo.50-315llLicenseNo.DPR-58SUPPLEMENTALTECHNICALSPECIFICATIONCHANGESFORREDUCEDTEMPERATUREANDPRESSUREPROGRAMU.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Attn:T.E.MurleyDecember30,1988
| | Application foramendtoLicenseDPR-58,modifying TechSpec4.1.1.5remintempforcriticality. |
| | DISTRIBUTION CODE:AOOIDCOPIESRECEIVED:LTR JENCLQSIZE:7~TITLE:ORSubmittal: |
| | GeneralDistribution NOTES:RECIPIENT IDCODE/NAME PD3-1LASTANG,JINTERNAL: |
| | ARM/DAF/LFMB NRR/DEST/CEB 8HNRR/DEST/MTB 9HNRR/DEST/SICB NRR/PMAS/ILRB12 OGC/HDS1RES/DSIR/EIB EXTERNAL: |
| | LPDRNSICCOPIESLTTRENCL1011101.11111111011111.1RECIPIENT IDCODE/NAME PD3-1PDNRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/RSB 8ENRR/DOEA/TSB 11NUDOC-BSTRACTGFg01NRCPDRCOPIESLTTRENCL2211111111111111NOTE'roALL"RIDS"RECIPXZmS. |
| | (/dcgg/<~~2.9(~g~hDSPZZASEHELPUSK)REDUCEWIPE!CGHIACZ'%HEDOCUMEÃZCONTROLDESKiROOMP1-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRZKITION LISTSFORDOCGKBTZS YOUDGNiTNEED!TOTALNUMBEROFCOPIESREQUIRED: |
| | LTTR20ENCL17 IndianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216IMEHANllNlCMGANROMEOAEP:NRC:1067A 10CFR50.90DonaldC.CookNuclearPlantUnit1DocketNo.50-315llLicenseNo.DPR-58SUPPLEMENTAL TECHNICAL SPECIFICATION CHANGESFORREDUCEDTEMPERATURE ANDPRESSUREPROGRAMU.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Attn:T.E.MurleyDecember30,1988 |
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| ==DearDr.Hurley:== | | ==DearDr.Hurley:== |
| ThisletteranditsattachmentsconstituteanapplicationforamendmenttotheTechnicalSpecifications(T/Ss)fortheDonaldC.CookNuclearPlantUnit1.Specifically,weareproposingtomodifyT/S4.1.1.5(MinimumTemperatureforCriticality)suchthatthetemperaturebelowwhichthereactorcoolantsystemaveragetemperaturemustbemonitoredevery30minutesisreducedfrom551Fto545F.ThechangeisdesiredsinceweplantooperatetheupcomingUnit1Cycle11atreducedtemperatureandpressure(RTP)conditions.TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.TheexpectedfullpowerTavgforCyclellis0approximately550F,reducedfromthepresent(non-RTP)fullpower0Tavgof567.8F.PlantoperationwiththepresentT/SisnotprecludedundertheRTPconditions;however,theT/SdoesplaceaburdenontheplantoperatorssinceTavgwillhavetobemonitoredevery30minutesatessentiallyalltimeswhenthereactoriscritical.ThislettersupplementsourletterAEP:NRC:1067,datedOctober14,1988.ThatlettertransmittedtheanalysesthatsupportRTPoperation,aswellastheT/Schangesnecessarytoallowplantoperation.WerequestthatyourreviewofthisrequestbecompletedbyApril15,1989,whichisthesamedaterequestedinAEP:NRC:1067forapprovaloftheRTPanalysesandassociatedT/Schanges.pic'lpDRADQCK05OOoP'g,eel:4i~~Ios%~
| | Thisletteranditsattachments constitute anapplication foramendment totheTechnical Specifications (T/Ss)fortheDonaldC.CookNuclearPlantUnit1.Specifically, weareproposing tomodifyT/S4.1.1.5(MinimumTemperature forCriticality) suchthatthetemperature belowwhichthereactorcoolantsystemaveragetemperature mustbemonitored every30minutesisreducedfrom551Fto545F.ThechangeisdesiredsinceweplantooperatetheupcomingUnit1Cycle11atreducedtemperature andpressure(RTP)conditions. |
| Dr.T.E.Hurley-2-AEP:NRC:1067AAdditionaldetailsaboutthechangeandourevaluationconcerningsignificanthazardsconsiderationarecontainedinAttachment1tothisletter.TheproposedrevisedT/SchangeisfoundinAttachment2.Webelievethattheproposedchangeswillnotresultin(1)asignificantchangeinthetypesofeffluentsorasignificantincreaseintheamountsofanyeffluentthat,maybereleasedoffsite,or(2)asignificantincreaseinindividualorcumulativeoccupationalradiationexposure.TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee,andwillbereviewedbytheNuclearSafetyandDesignReviewCommitteeattheirnextregularlyscheduledmeeting.Incompliancewiththerequirementsof10CFR50.91(b)(1),copiesofthisletteranditsattachmentshavebeentransmittedtoMr.R.C.CallenoftheMichiganPublicServiceCommission,andMr.GeorgeBruchmannoftheMichiganDepartmentofPublicHealth.Pursuanttotherequirementsof10CFR170'2(c),wehaveenclosedanapplicationfeeof$150.00fortheproposedamendments.ThisdocumenthasbeenpreparedfollowingCorporateproceduresthatincorporateareasonablesetofcontrolstoensureitsaccuracyandcompletenesspriortosignaturebytheundersigned.Sincerely,M.P.AlexichVicePresidentMPA/ehAttachmentscc:D.H.Williams,Jr.W.G.Smith,Jr.-BridgmanR.C.'allenG.CharnoffG.BruchmannA.B.Davis-RegionIIINRCResidentInspector-Bridgman ATTACHMENT1TOAEP:NRC:1067ADESCRIPTIONAND10CFR50.92SIGNIFICANTHAZARDSEVALUATIONFORCHANGESTOTHETECHNICALSPECIFICATIONSFORTHEDONALDC.COOKNUCLEARPLANTUNIT1 | | TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.TheexpectedfullpowerTavgforCyclellis0approximately 550F,reducedfromthepresent(non-RTP) fullpower0Tavgof567.8F.Plantoperation withthepresentT/Sisnotprecluded undertheRTPconditions; however,theT/Sdoesplaceaburdenontheplantoperators sinceTavgwillhavetobemonitored every30minutesatessentially alltimeswhenthereactoriscritical. |
| | Thislettersupplements ourletterAEP:NRC:1067, datedOctober14,1988.Thatlettertransmitted theanalysesthatsupportRTPoperation, aswellastheT/Schangesnecessary toallowplantoperation. |
| | Werequestthatyourreviewofthisrequestbecompleted byApril15,1989,whichisthesamedaterequested inAEP:NRC:1067 forapprovaloftheRTPanalysesandassociated T/Schanges.pic'lpDRADQCK05OOoP'g,eel:4i~~Ios%~ |
| | Dr.T.E.Hurley-2-AEP:NRC:1067A Additional detailsaboutthechangeandourevaluation concerning significant hazardsconsideration arecontained inAttachment 1tothisletter.TheproposedrevisedT/SchangeisfoundinAttachment 2.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofeffluents orasignificant increaseintheamountsofanyeffluentthat,maybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure. |
| | TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee, andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee attheirnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50.91(b)(1), |
| | copiesofthisletteranditsattachments havebeentransmitted toMr.R.C.CallenoftheMichiganPublicServiceCommission, andMr.GeorgeBruchmann oftheMichiganDepartment ofPublicHealth.Pursuanttotherequirements of10CFR170'2(c),wehaveenclosedanapplication feeof$150.00fortheproposedamendments. |
| | Thisdocumenthasbeenpreparedfollowing Corporate procedures thatincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned. |
| | Sincerely, M.P.AlexichVicePresident MPA/ehAttachments cc:D.H.Williams, Jr.W.G.Smith,Jr.-BridgmanR.C.'allenG.CharnoffG.Bruchmann A.B.Davis-RegionIIINRCResidentInspector |
| | -Bridgman ATTACHMENT 1TOAEP:NRC:1067A DESCRIPTION AND10CFR50.92SIGNIFICANT HAZARDSEVALUATION FORCHANGESTOTHETECHNICAL SPECIFICATIONS FORTHEDONALDC.COOKNUCLEARPLANTUNIT1 |
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| ATTACHMENT1TOAEP:NRC:1067APage1DescritionofChaneUnit1TechnicalSpecification(T/S)4.1.1.5.b(MinimumTemperatureforCriticality)aspresentlywrittenrequiresverificationthatthereactorcoolantsystemTavgis>541Fatleastonceper30minuteswhenthereactoriscriticalandTavgislessthan551F.WeareproposingtorevisetherequirementsuchthatTavgmustbeverifiedevery30minuteswhenTavgisbelow/(545ForwhenthelowTavgalarmisinoperable.0ReasonfortheChaneUnderpresentoperatingconditions,fullpowerTavgis567.8F.0FortheupcomingUnit1Cycle11,however,weareplanningtooperatetheplantunderreducedtemperatureandpressure(RTP)conditions.TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.ThefullpowerTavgwillbeloweredtoapproximately550FforUnit1Cyclell.Sincethis0isbelow551F,thepresentwordingofT/S4.1.1.5.bwouldrequirethatTavgbeverifiedtobeabove541F(theminimumtemperature0forcriticality)every30minutesessentiallyalltimeswhenthereactoriscritical.AlthoughthisdoesnotprecludeoperationunderRTPconditions,itisburdensomeandwilldistracttheoperatorsfromotherduties.ThisrequestsupplementsourletterAEP:NRC:1067,datedOctober14,1988.Thatlettertransmitted.theanalyseswhichsupportRTPoperation,aswellastheT/SchangesthatarenecessaryinordertoimplementtheRTPprogram.JustificationforChaneTheproposedchangedoesnotaltertheminimumtemperatureforcriticality.Tavgmustbemaintainedabove541Fanytimethereactoriscritical.ShouldTavgdropbelow541F,theactionstatementforT/S3.1.1.5requiresthatTavgberestoredabove0541Fwithin15minutesortheunitmustbeplacedinhotstandby.T/S4.1.1,5.bpresentlyrequiresTavgtobedeterminedevery30minuteswhenTavgislessthan10Fabove541F.This10FvalueisconsistentwiththelatestrevisionofWestinghouseStandardT/Ss.Westinghousehasinformedusthe10Fwasestablishedtoprotectagainstencroachmentuponthe541Fminimumtemperature0forcriticality.The10Fvalueisnotderivedfromanyanalysis.0TheplantisequippedwithalowTavgalarmthatiscurrentlyset0at554F.ThelowTavgalarmisderivedfromthebistablesthatclosethemainfeedwatercontrolvalvesonlowTavgcoincidentwithareactortrip.Thisfunctionhelpsprotectthereactorfromexcessivecooldownfollowingareactortrip.Diversityofsignals
| | ATTACHMENT 1TOAEP:NRC:1067A Page1DescritionofChaneUnit1Technical Specification (T/S)4.1.1.5.b (MinimumTemperature forCriticality) aspresently writtenrequiresverification thatthereactorcoolantsystemTavgis>541Fatleastonceper30minuteswhenthereactoriscriticalandTavgislessthan551F.Weareproposing torevisetherequirement suchthatTavgmustbeverifiedevery30minuteswhenTavgisbelow/(545ForwhenthelowTavgalarmisinoperable. |
| | 0ReasonfortheChaneUnderpresentoperating conditions, fullpowerTavgis567.8F.0FortheupcomingUnit1Cycle11,however,weareplanningtooperatetheplantunderreducedtemperature andpressure(RTP)conditions. |
| | TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.ThefullpowerTavgwillbeloweredtoapproximately 550FforUnit1Cyclell.Sincethis0isbelow551F,thepresentwordingofT/S4.1.1.5.b wouldrequirethatTavgbeverifiedtobeabove541F(theminimumtemperature 0forcriticality) every30minutesessentially alltimeswhenthereactoriscritical. |
| | Althoughthisdoesnotprecludeoperation underRTPconditions, itisburdensome andwilldistracttheoperators fromotherduties.Thisrequestsupplements ourletterAEP:NRC:1067, datedOctober14,1988.Thatlettertransmitted. |
| | theanalyseswhichsupportRTPoperation, aswellastheT/Schangesthatarenecessary inordertoimplement theRTPprogram.Justification forChaneTheproposedchangedoesnotaltertheminimumtemperature forcriticality. |
| | Tavgmustbemaintained above541Fanytimethereactoriscritical. |
| | ShouldTavgdropbelow541F,theactionstatement forT/S3.1.1.5requiresthatTavgberestoredabove0541Fwithin15minutesortheunitmustbeplacedinhotstandby.T/S4.1.1,5.b presently requiresTavgtobedetermined every30minuteswhenTavgislessthan10Fabove541F.This10Fvalueisconsistent withthelatestrevisionofWestinghouse StandardT/Ss.Westinghouse hasinformedusthe10Fwasestablished toprotectagainstencroachment uponthe541Fminimumtemperature 0forcriticality. |
| | The10Fvalueisnotderivedfromanyanalysis. |
| | 0TheplantisequippedwithalowTavgalarmthatiscurrently set0at554F.ThelowTavgalarmisderivedfromthebistables thatclosethemainfeedwater controlvalvesonlowTavgcoincident withareactortrip.Thisfunctionhelpsprotectthereactorfromexcessive cooldownfollowing areactortrip.Diversity ofsignals |
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| ATTACHMENT1TOAEP'NRC'1067APage2forterminatingmainfeedwaterisprovidedviatheP-4permissive,whichtripsthemainfeedwaterpumpsintheeventofareactortrip.ThefunctionsassociatedwiththelowTavgbistableandthemainfeedwaterpumptriponreactortriparenotdelineatedintheT/Ss.WeareproposingtolowerthelowTavgsetpoint(includingthealarm)from554Fto545F.Thetemperatureof545Fis00sufficientlybelowtheoperatingtemperaturetolessenthepossibilityofunnecessary.=alarms,butishighenoughtoprovidetheoperatorwithamplewarningthatTavgisapproachingthe541F0minimumtemperatureforcriticality.LoweringthelowTavgsetpointhasminimaleffectontheresponseoftheplanttoreactortripbecause,asdiscussedabove,themainfeedpumps(MFP)aretrippeddirectlyonareactortrip,viatheP-4permissive.TheFSARLOCAandtransientanalysesdonottakecreditforfeedwaterisolationderivedfromthe'lowTavgbistable.ThefunctionismodeledintheWestinghouseOwnersGroupanalysisofsteamlinebreakmassandenergyreleasesoutsidecontainment(WCAP10961),becauseitisconservativetodoso.Modelingofthefunctionisconservativebecauseitleadstoearlierfeedwaterisolationthantheother(T/S)signalsthatalsoprovidefeedwaterisolation.Earlyterminationoffeedwaterresultsingreatersteamgeneratortubeuncovery,andthusmoresuperheatingofthesteamexitingthebreak.LoweringthelowTavgsetpointisconservativewithrespecttothisanalysis,sinceitwillsomewhatdelaythefeedwaterisolation.WeproposethattheoperatoronlyberequiredtomonitoranddocumentTavgona30-minutebasisifTavgisbelowtheproposedlowTavgsetpointof545F,orifthelowTavgalarmis0inoperable.ThiswillavoidtheburdenthatmonitoringTavgevery30minutesplacesontheoperators,andwillhelpensuretheoperators'ttentionisnotdivertedfrommoreimportantsafetyfunctions.Tavgwillcontinuetobemeasuredatleastonceper12hoursinMode1,asrequiredbyT/S3.2.5(DNBParameters).TheresettingoftheTavgalarmto545FwillensuretheoperatoriswarnedthatTavgisencroachinguponthe541Fminimumtemperature0forcriticality.10CFR50.92EvaluationPer10CFR50.92,aproposedamendmentwillnotinvolveasignificanthazardsconsiderationiftheproposedamendmentdoesnot:
| | ATTACHMENT 1TOAEP'NRC'1067A Page2forterminating mainfeedwater isprovidedviatheP-4permissive, whichtripsthemainfeedwater pumpsintheeventofareactortrip.Thefunctions associated withthelowTavgbistableandthemainfeedwater pumptriponreactortriparenotdelineated intheT/Ss.Weareproposing tolowerthelowTavgsetpoint(including thealarm)from554Fto545F.Thetemperature of545Fis00sufficiently belowtheoperating temperature tolessenthepossibility ofunnecessary.=alarms, butishighenoughtoprovidetheoperatorwithamplewarningthatTavgisapproaching the541F0minimumtemperature forcriticality. |
| ATTACHMENT1TOAEP:NRC:1067APage31)Involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyanalyzed,2)Createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyanalyzedorevaluated,or3)Involveasignificantreductioninamarginofsafety.Criterion1TheperiodicmonitoringanddocumentingofTavgwhentheplantisoperatedneartheminimumtemperatureforcriticalitywillbereduced.However,thischangewillbecompensatedforbyloweringthealarmsetpointtowarntheoperatorofapproachtotheminimumtemperatureforcriticality.Therefore,wedonotbelieveourproposalwillresultinanincreaseintheprobabilityorconsequencesofanaccidentpreviouslyanalyzed.Criterion2TheproposedT/Schangesdonotrevisetheminimumtemperatureforcriticalityof541FspecifiedinT/S3.1.1.5.ThechangeonlyimpactsthetemperatureatwhichTavgmustbemonitoredevery30minutes.Thiswillbecompensatedforbyprovidinganalarmata0Tavgof545Fthatwillwarntheoperatorthattheplantisapproachingtheminimumtemperatureatwhichitmayremaincritical.Thus,wedonotbelievethechangecanresultinanynewordifferentkindsofaccidentsfromanypreviouslyanalyzedorevaluated.Criterion3ThepurposeoftheT/SistoensurethereactorisnotcriticalwithTavgbelow541F,withoutappropriateactionbeingtaken.WewillensurethattheoperatoriswarnedthatTavgisapproachingthe541FlimitbyloweringthelowTavgalarmsetpointto545F.Webelievethiswillprovideadequateassurancethatthe541FTavglimitisprotected.Therefore,theproposedchangeshouldnotsignificantlyreducethemarginofsafety.Lastly,wenotethattheCommissionhasprovidedguidanceconcerningthedeterminationofsignificanthazardsbyprovidingexamples(48FR14870)ofamendmentsconsiderednotlikelytoinvolvesignificanthazardsconsideration.Thesixthoftheseexamplesreferstochangesthatmayresultinsome*increasetotheprobabilityorconsequencesofapreviouslyanalyzedaccident,buttheresultsofwhicharewithinlimitsestablishedasacceptable.Asdiscussedinthebases,theminimumtemperatureforcriticalityensuresthatthereactor,instrumentation,andvesselareoperatedintheiranalyzedtemperatureranges.Theserequirementsarenot IC ATTACHMENT1TOAEP:NRC:1067APage4affectedbyourproposedrevisiontothesurveillancerequirements.ThechangeonlyimpactsthetemperatureatwhichtheoperatormustmonitorTavgevery30minutestoensurethetemperaturedoesnotdropbelowtheminimumtemperatureforcriticality.MewillbeprovidinganalarmthatwillalerttheoperatorthatthetemperatureisapproachingitsminimumTavglimit.Therefore,webelievetheexamplecitedisapplicableandthatthechangesshouldnotinvolveasignificanthazardsconsideration.}}
| | LoweringthelowTavgsetpointhasminimaleffectontheresponseoftheplanttoreactortripbecause,asdiscussed above,themainfeedpumps (MFP)aretrippeddirectlyonareactortrip,viatheP-4permissive. |
| | TheFSARLOCAandtransient analysesdonottakecreditforfeedwater isolation derivedfromthe'lowTavgbistable. |
| | ThefunctionismodeledintheWestinghouse OwnersGroupanalysisofsteamline breakmassandenergyreleasesoutsidecontainment (WCAP10961),becauseitisconservative todoso.Modelingofthefunctionisconservative becauseitleadstoearlierfeedwater isolation thantheother(T/S)signalsthatalsoprovidefeedwater isolation. |
| | Earlytermination offeedwater resultsingreatersteamgenerator tubeuncovery, andthusmoresuperheating ofthesteamexitingthebreak.LoweringthelowTavgsetpointisconservative withrespecttothisanalysis, sinceitwillsomewhatdelaythefeedwater isolation. |
| | WeproposethattheoperatoronlyberequiredtomonitoranddocumentTavgona30-minute basisifTavgisbelowtheproposedlowTavgsetpointof545F,orifthelowTavgalarmis0inoperable. |
| | Thiswillavoidtheburdenthatmonitoring Tavgevery30minutesplacesontheoperators, andwillhelpensuretheoperators'ttention isnotdivertedfrommoreimportant safetyfunctions. |
| | Tavgwillcontinuetobemeasuredatleastonceper12hoursinMode1,asrequiredbyT/S3.2.5(DNBParameters). |
| | Theresetting oftheTavgalarmto545FwillensuretheoperatoriswarnedthatTavgisencroaching uponthe541Fminimumtemperature 0forcriticality. |
| | 10CFR50.92Evaluation Per10CFR50.92,aproposedamendment willnotinvolveasignificant hazardsconsideration iftheproposedamendment doesnot: |
| | ATTACHMENT 1TOAEP:NRC:1067A Page31)Involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously |
| | : analyzed, 2)Createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated, or3)Involveasignificant reduction inamarginofsafety.Criterion 1Theperiodicmonitoring anddocumenting ofTavgwhentheplantisoperatedneartheminimumtemperature forcriticality willbereduced.However,thischangewillbecompensated forbyloweringthealarmsetpointtowarntheoperatorofapproachtotheminimumtemperature forcriticality. |
| | Therefore, wedonotbelieveourproposalwillresultinanincreaseintheprobability orconsequences ofanaccidentpreviously analyzed. |
| | Criterion 2TheproposedT/Schangesdonotrevisetheminimumtemperature forcriticality of541Fspecified inT/S3.1.1.5.Thechangeonlyimpactsthetemperature atwhichTavgmustbemonitored every30minutes.Thiswillbecompensated forbyproviding analarmata0Tavgof545Fthatwillwarntheoperatorthattheplantisapproaching theminimumtemperature atwhichitmayremaincritical. |
| | Thus,wedonotbelievethechangecanresultinanynewordifferent kindsofaccidents fromanypreviously analyzedorevaluated. |
| | Criterion 3ThepurposeoftheT/SistoensurethereactorisnotcriticalwithTavgbelow541F,withoutappropriate actionbeingtaken.WewillensurethattheoperatoriswarnedthatTavgisapproaching the541FlimitbyloweringthelowTavgalarmsetpointto545F.Webelievethiswillprovideadequateassurance thatthe541FTavglimitisprotected. |
| | Therefore, theproposedchangeshouldnotsignificantly reducethemarginofsafety.Lastly,wenotethattheCommission hasprovidedguidanceconcerning thedetermination ofsignificant hazardsbyproviding examples(48FR14870)ofamendments considered notlikelytoinvolvesignificant hazardsconsideration. |
| | Thesixthoftheseexamplesreferstochangesthatmayresultinsome*increasetotheprobability orconsequences ofapreviously analyzedaccident, buttheresultsofwhicharewithinlimitsestablished asacceptable. |
| | Asdiscussed inthebases,theminimumtemperature forcriticality ensuresthatthereactor,instrumentation, andvesselareoperatedintheiranalyzedtemperature ranges.Theserequirements arenot IC ATTACHMENT 1TOAEP:NRC:1067A Page4affectedbyourproposedrevisiontothesurveillance requirements. |
| | Thechangeonlyimpactsthetemperature atwhichtheoperatormustmonitorTavgevery30minutestoensurethetemperature doesnotdropbelowtheminimumtemperature forcriticality. |
| | Mewillbeproviding analarmthatwillalerttheoperatorthatthetemperature isapproaching itsminimumTavglimit.Therefore, webelievetheexamplecitedisapplicable andthatthechangesshouldnotinvolveasignificant hazardsconsideration.}} |
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Category:OPERATING LICENSES-APPLIATION TO AMEND-RENEW EXISTING
MONTHYEARML17335A5551999-10-12012 October 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Surveillance Requirement 4.6.2.2.d for Spray Additive Sys to Relocate Details Associated with Acceptance Criteria & Test Parameters to Associated TS Bases ML17335A5591999-10-11011 October 1999 Supplement to Application for Amends to Licenses DPR-58 & DPR-74,replacing Correct TS Pages Inadvertently Included in 990923 Submittal.Attached Pages Also Include Appropriate Administrative Changes ML17335A5411999-10-0101 October 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising Containment Recirculation Sump Water Inventory.Calculation & non-proprietary WCAP-15302 Rept Also Encl ML17326A1571999-09-23023 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,involving Movement of Loads in Excess of Design Basis Seismic Capability of Auxiliary Bldg Load Handling Equipment & Structures ML17326A1421999-09-17017 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,to Allow Credit of Rod Cluster Control Assemblies for Cold Leg Large Break LOCA Subcriticality.Ts Pages & non-proprietary Versions of WCAP-15246 Encl.Proprietary Version Withheld ML17326A1161999-09-10010 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Surveillance Requirement 4.4.7,TS Tables 4.4-3,3.4-1 & TS Surveillance Requirement 4.11.2.2 Re RCS & Gas Storage Tank Sampling ML17326A0921999-08-17017 August 1999 Application for Amend to License DPR-58,to Change TS 3/4.4.5 & Bases for TS 3/4.4.5,3/4.4.6.2 & 3/4.4.8 to Remove voltage-based Repair Criteria,F* Repair Criteria & Sleeving Methodologies from Unit 1 TS & Clarify Bases Sections ML17325B6041999-05-21021 May 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising Limitations of Positive Reactivity Additions in Several TS Action Statements ML17325B5511999-04-19019 April 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 3/4.8.1.2, Electrical Power Systems & Associated Bases to Provide one-time Extension of 18-month Surveillance Interval for Specific SRs ML17335A3661998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,adding TS for Distributed Ignition Sys ML17335A3631998-12-0303 December 1998 Application for Amend to License DPR-58,revising TS 3/4.7.7, Sealed Source Contamination & Associated Bases to Address Testing Requirements for Fission Detectors ML17335A3591998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,making Administrative Changes to Remove Obsolete Info,To Provide Consistency Between Units 1 & 2,to Provide Consistency with Std Tech Specs,To Provide Clarification & to Correct Typos ML17335A3561998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 4.6.5.1, Ice Condenser,Ice Bed & Associated Bases to Reflect Max Ice Condenser Flow Channel Blockage Assumed in Accident Analyses ML17335A2631998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Containment Sys Bases 3/4.6.1.4 Re Internal Pressure & 3/4.6.1.5 Re Air Temp ML17335A2761998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,placing Tighter Restrictions on Amount of Time RWST Water Level Instrumentation Can Be Out of Svc Before Compensatory Actions Are Required ML17335A2671998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 3.4.1.3, RCS - Shutdown & Associated Bases to Provide Separate Requirements for Modes 4 & 5 with Loops Filled & Mode 5 with Loops Not Filled ML17335A2311998-09-14014 September 1998 Application for Amends to Licenses DPR-58 & DPR-74,changing Runout Limits for Safety Injection Pump to 675 Gpm Unless Pump Is Specifically Tested to Higher Flow Rate Not Exceeding 700 Gpm ML17335A1901998-08-28028 August 1998 Application for Amend to License DPR-58,requesting Extension of SG Surveillance,Which TSs Require to Be Performed on or Before 990408,until End of Current Refuel Cycle Currently Scheduled for Mar 2000.W/assessment of SG Degradation & TSs ML17334A7471998-06-10010 June 1998 Application for Amends to Licenses DPR-54 & DPR-78,changing Implementation Date to Reduce Boric Acid Concentration in Boric Acid Storage Sys.Attachment 1 to Ltr Contains Description of Proposed Change & Justification for Change ML17334B7011998-03-0303 March 1998 Application for Amends to TS for Licenses DPR-58 & DPR-74, Removing Word Immediately from Unit 1 Hydrogen Recombiner Surveillance Requirement 4.6.4.2.b.4 & Revising Plants TS 3/4.6.4 Bases ML17334B6561997-10-0808 October 1997 Application for Amends to Licenses DPR-58 & DPR-78,changing TSs 3/4.6.5 & 3/4.5.5 to Increase Both Minimum Required Ice Mass Per Ice Basket & Total Minimum Required Ice Mass. Proprietary Summary of Sump Inventory Calculations,Encl ML17333B0431997-09-19019 September 1997 Application for Amends to Licenses DPR-58 & DPR-74,deleting Requirement for Automatic Valve Closure Feature on RHR Sys Suction from RCS ML17333A9831997-08-11011 August 1997 Application for Amends to Licenses DPR-58 & DPR-74,allowing Filling of ECCS Accumulators W/O Declaring ECCS Equipment Inoperable ML17335A2101997-08-0101 August 1997 Application for Amends to Licenses DPR-58 & DPR-74,deleting Wording When Secondary Steam Supply Pressure Is Greater than 310 Psig from TS ML17333A8281997-03-26026 March 1997 Application for Amends to Licenses DPR-58 & DPR-74, Modifying TS 4.7.5.1.e.2 Which Describes Control Room Ventilation Sys Autostart Functions ML17333A8311997-03-26026 March 1997 Application for Amends to Licenses DPR-58 & DPR-74,changing Grammatical Correction to Wording of Unit 2 TS 3.4.8,Action a for Modes 1,2 & 3 & Returning Frequency Requirement to TS 4.7.1.2.c & 4.7.1.2.d That Was Inadvertently Deleted ML17333A7121996-12-20020 December 1996 Application for Amends to Licenses DPR-58 & DPR-74, Requesting Rev of Reactor Coolant Pump Flywheel Insp Frequency ML17334B5941996-07-11011 July 1996 Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Support Operation of Unit 2 at Increased Core Rated Thermal Power of 3,588 Mwt.Rev 1 to WCAP-14489, ...Unit 2 3,600 Mwt Uprating Program Licensing Rept Encl ML17334B5901996-06-19019 June 1996 Application for Amend to License DPR-58,addressing Applicable Requirements of NRC GL 95-05, Voltage-Based Repair Criteria for Repair of Westinghouse SG Tubes Affected by Outside Diameter Stress Corrosion Cracking. ML17334B5891996-06-11011 June 1996 Application for Amends to Licenses DPR-58 & DPR-74,removing TSs Certain Requirements for Administrative Controls,Related to QA Requirements,Per Administrative Ltr 96-05 ML17333A4201996-04-0808 April 1996 Application for Amends to Licenses DPR-58 & DPR-74,moving TS 4.0.4 Exemption Statement for MSSVs Into Section 4.7.1.1 ML17333A3551996-03-12012 March 1996 Application for Amend to License DPR-74,removing TSs Re Shutdown & Control Rod Position Indication While in Modes 3, 4 & 5 ML17334B5751996-02-29029 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Reduce Boric Acid Concentration in Boric Acid Storage Sys from Approx 12 Percent to Approx 4 Percent by Weight. Technical Rept Presenting Justificaion for Changes Encl ML17334B5741996-02-26026 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.6.2 to Increase Current Limit on Nominal Fuel Assembly Enrichment for New,Westinghouse - Fabricated Fuel Stored in New Fuel Storage Racks ML17333A3201996-02-22022 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,proposing to Remove Requirement That Operations Superintendent Must Hold or Have Held Sol at Plant or Similar Reactor ML17333A3151996-02-22022 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying Table 4.8-1,DG Test Schedule by Ref Rg 1.9,Rev 3 Rather than Rg 1.108,Rev 1 Criteria for Determination of Valid DG Test ML17333A2641996-01-12012 January 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Section 4.4.11 to Eliminate SR Demonstrating Operability of Emergency Power Supply for Pressurizer PORVs & Block Valves ML17333A2391995-12-19019 December 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 3/4.6.1.2,3/4.6.1.3,3/4.6.1.6 & 3/4.6.1.6 to Require Types A,B & C Tests (Overall Integrated & Local Containment Leakage Rate) to Be Performed Per 10CFR50,App J Option B ML17332B0111995-11-10010 November 1995 Application for Amends to Licenses DPR-58 & DPR-74,revising Ts,By Modifying Surveillance Testing of EDG During Refueling & Normal Operations ML17332A9971995-10-20020 October 1995 Application for Amends to Licenses DPR-58 & DPR-74,proposing to Add Exemption to TS 4.0.4 in Surveillance Requirements for MSIV ML17332A9111995-08-0606 August 1995 Application for Amends to Licenses DPR-58 & DPR-74,informing That Licensee Has 45 Days from Date of Issuance to Implement Amend Unless Otherwise Specified ML17334B5561995-08-0404 August 1995 Application for Exigent Amend to License DPR-58,modifying TS 4.4.5.4 & 4.4.5.5 for Repair of Hybrid Expansion Joint Sleeved SG Tubes.Proprietary W Rept WCAP-14446, Repair...Of Hybrid Expansion Joint...Tubes Encl.W Rept Withheld ML17332A8271995-06-30030 June 1995 Application for Amends to Licenses DPR-58 & DPR-74,changing TS Section 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02, Suppl 1 ML17334B5501995-06-20020 June 1995 License Amend Request to Licenses DPR-58 & DPR-74,to Remove Requirements for Fire Protection Systems from Licenses & Guidance in GL 86-10,GL 88-12 & GL 93-07 ML17332A7991995-06-15015 June 1995 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 4.8.1.1.2.e.7 to Reduce Duration of Surveillance Testing for EDGs During Refueling Operations from 24 H to 8 H ML17334B5481995-05-26026 May 1995 Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Support Operation of Unit 1 at SG Tube Plugging Levels Up to 30%,make One Unit 1 TS More Nearly Like Corresponding Unit 2 TS & Maintain Consistency of Unit 2 Criteria ML17334B5461995-05-26026 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying Tech Specs 3/4.3.1 (Reactor Trip Sys Instrumentation) & 3/4.3.2 (ESFAS Instrumentation) & Bases to Relocate Tables of Response Time Limits to Ufsar,Per GL 93-08 ML17332A7661995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Incorporate Cycle & Burnup Dependent Peaking Factor Penalty ML17332A7741995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02,Suppl 1 ML17332A7771995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Table 4.3-2 to Change Main Steam Line Isolation Valve Manual Actuation Sys Surveillance Frequency from Monthly to Quarterly 1999-09-23
[Table view] Category:TEXT-LICENSE APPLICATIONS & PERMITS
MONTHYEARML17335A5551999-10-12012 October 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Surveillance Requirement 4.6.2.2.d for Spray Additive Sys to Relocate Details Associated with Acceptance Criteria & Test Parameters to Associated TS Bases ML17335A5591999-10-11011 October 1999 Supplement to Application for Amends to Licenses DPR-58 & DPR-74,replacing Correct TS Pages Inadvertently Included in 990923 Submittal.Attached Pages Also Include Appropriate Administrative Changes ML17335A5411999-10-0101 October 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising Containment Recirculation Sump Water Inventory.Calculation & non-proprietary WCAP-15302 Rept Also Encl ML17326A1571999-09-23023 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,involving Movement of Loads in Excess of Design Basis Seismic Capability of Auxiliary Bldg Load Handling Equipment & Structures ML17326A1421999-09-17017 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,to Allow Credit of Rod Cluster Control Assemblies for Cold Leg Large Break LOCA Subcriticality.Ts Pages & non-proprietary Versions of WCAP-15246 Encl.Proprietary Version Withheld ML17326A1161999-09-10010 September 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Surveillance Requirement 4.4.7,TS Tables 4.4-3,3.4-1 & TS Surveillance Requirement 4.11.2.2 Re RCS & Gas Storage Tank Sampling ML17326A0921999-08-17017 August 1999 Application for Amend to License DPR-58,to Change TS 3/4.4.5 & Bases for TS 3/4.4.5,3/4.4.6.2 & 3/4.4.8 to Remove voltage-based Repair Criteria,F* Repair Criteria & Sleeving Methodologies from Unit 1 TS & Clarify Bases Sections ML17325B6041999-05-21021 May 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising Limitations of Positive Reactivity Additions in Several TS Action Statements ML17325B5511999-04-19019 April 1999 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 3/4.8.1.2, Electrical Power Systems & Associated Bases to Provide one-time Extension of 18-month Surveillance Interval for Specific SRs ML17335A3661998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,adding TS for Distributed Ignition Sys ML17335A3631998-12-0303 December 1998 Application for Amend to License DPR-58,revising TS 3/4.7.7, Sealed Source Contamination & Associated Bases to Address Testing Requirements for Fission Detectors ML17335A3591998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,making Administrative Changes to Remove Obsolete Info,To Provide Consistency Between Units 1 & 2,to Provide Consistency with Std Tech Specs,To Provide Clarification & to Correct Typos ML17335A3561998-12-0303 December 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 4.6.5.1, Ice Condenser,Ice Bed & Associated Bases to Reflect Max Ice Condenser Flow Channel Blockage Assumed in Accident Analyses ML17335A2631998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS Containment Sys Bases 3/4.6.1.4 Re Internal Pressure & 3/4.6.1.5 Re Air Temp ML17335A2761998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,placing Tighter Restrictions on Amount of Time RWST Water Level Instrumentation Can Be Out of Svc Before Compensatory Actions Are Required ML17335A2671998-10-0808 October 1998 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 3.4.1.3, RCS - Shutdown & Associated Bases to Provide Separate Requirements for Modes 4 & 5 with Loops Filled & Mode 5 with Loops Not Filled ML17335A2311998-09-14014 September 1998 Application for Amends to Licenses DPR-58 & DPR-74,changing Runout Limits for Safety Injection Pump to 675 Gpm Unless Pump Is Specifically Tested to Higher Flow Rate Not Exceeding 700 Gpm ML17335A1901998-08-28028 August 1998 Application for Amend to License DPR-58,requesting Extension of SG Surveillance,Which TSs Require to Be Performed on or Before 990408,until End of Current Refuel Cycle Currently Scheduled for Mar 2000.W/assessment of SG Degradation & TSs ML17334A7471998-06-10010 June 1998 Application for Amends to Licenses DPR-54 & DPR-78,changing Implementation Date to Reduce Boric Acid Concentration in Boric Acid Storage Sys.Attachment 1 to Ltr Contains Description of Proposed Change & Justification for Change ML17334B7011998-03-0303 March 1998 Application for Amends to TS for Licenses DPR-58 & DPR-74, Removing Word Immediately from Unit 1 Hydrogen Recombiner Surveillance Requirement 4.6.4.2.b.4 & Revising Plants TS 3/4.6.4 Bases ML17334B6561997-10-0808 October 1997 Application for Amends to Licenses DPR-58 & DPR-78,changing TSs 3/4.6.5 & 3/4.5.5 to Increase Both Minimum Required Ice Mass Per Ice Basket & Total Minimum Required Ice Mass. Proprietary Summary of Sump Inventory Calculations,Encl ML17333B0431997-09-19019 September 1997 Application for Amends to Licenses DPR-58 & DPR-74,deleting Requirement for Automatic Valve Closure Feature on RHR Sys Suction from RCS ML17333A9831997-08-11011 August 1997 Application for Amends to Licenses DPR-58 & DPR-74,allowing Filling of ECCS Accumulators W/O Declaring ECCS Equipment Inoperable ML17335A2101997-08-0101 August 1997 Application for Amends to Licenses DPR-58 & DPR-74,deleting Wording When Secondary Steam Supply Pressure Is Greater than 310 Psig from TS ML17333A8281997-03-26026 March 1997 Application for Amends to Licenses DPR-58 & DPR-74, Modifying TS 4.7.5.1.e.2 Which Describes Control Room Ventilation Sys Autostart Functions ML17333A8311997-03-26026 March 1997 Application for Amends to Licenses DPR-58 & DPR-74,changing Grammatical Correction to Wording of Unit 2 TS 3.4.8,Action a for Modes 1,2 & 3 & Returning Frequency Requirement to TS 4.7.1.2.c & 4.7.1.2.d That Was Inadvertently Deleted ML17333A7121996-12-20020 December 1996 Application for Amends to Licenses DPR-58 & DPR-74, Requesting Rev of Reactor Coolant Pump Flywheel Insp Frequency ML17334B5941996-07-11011 July 1996 Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Support Operation of Unit 2 at Increased Core Rated Thermal Power of 3,588 Mwt.Rev 1 to WCAP-14489, ...Unit 2 3,600 Mwt Uprating Program Licensing Rept Encl ML17334B5901996-06-19019 June 1996 Application for Amend to License DPR-58,addressing Applicable Requirements of NRC GL 95-05, Voltage-Based Repair Criteria for Repair of Westinghouse SG Tubes Affected by Outside Diameter Stress Corrosion Cracking. ML17334B5891996-06-11011 June 1996 Application for Amends to Licenses DPR-58 & DPR-74,removing TSs Certain Requirements for Administrative Controls,Related to QA Requirements,Per Administrative Ltr 96-05 ML17333A4201996-04-0808 April 1996 Application for Amends to Licenses DPR-58 & DPR-74,moving TS 4.0.4 Exemption Statement for MSSVs Into Section 4.7.1.1 ML17333A3551996-03-12012 March 1996 Application for Amend to License DPR-74,removing TSs Re Shutdown & Control Rod Position Indication While in Modes 3, 4 & 5 ML17334B5751996-02-29029 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Reduce Boric Acid Concentration in Boric Acid Storage Sys from Approx 12 Percent to Approx 4 Percent by Weight. Technical Rept Presenting Justificaion for Changes Encl ML17334B5741996-02-26026 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.6.2 to Increase Current Limit on Nominal Fuel Assembly Enrichment for New,Westinghouse - Fabricated Fuel Stored in New Fuel Storage Racks ML17333A3201996-02-22022 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,proposing to Remove Requirement That Operations Superintendent Must Hold or Have Held Sol at Plant or Similar Reactor ML17333A3151996-02-22022 February 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying Table 4.8-1,DG Test Schedule by Ref Rg 1.9,Rev 3 Rather than Rg 1.108,Rev 1 Criteria for Determination of Valid DG Test ML17333A2641996-01-12012 January 1996 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Section 4.4.11 to Eliminate SR Demonstrating Operability of Emergency Power Supply for Pressurizer PORVs & Block Valves ML17333A2391995-12-19019 December 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 3/4.6.1.2,3/4.6.1.3,3/4.6.1.6 & 3/4.6.1.6 to Require Types A,B & C Tests (Overall Integrated & Local Containment Leakage Rate) to Be Performed Per 10CFR50,App J Option B ML17332B0111995-11-10010 November 1995 Application for Amends to Licenses DPR-58 & DPR-74,revising Ts,By Modifying Surveillance Testing of EDG During Refueling & Normal Operations ML17332A9971995-10-20020 October 1995 Application for Amends to Licenses DPR-58 & DPR-74,proposing to Add Exemption to TS 4.0.4 in Surveillance Requirements for MSIV ML17332A9111995-08-0606 August 1995 Application for Amends to Licenses DPR-58 & DPR-74,informing That Licensee Has 45 Days from Date of Issuance to Implement Amend Unless Otherwise Specified ML17334B5561995-08-0404 August 1995 Application for Exigent Amend to License DPR-58,modifying TS 4.4.5.4 & 4.4.5.5 for Repair of Hybrid Expansion Joint Sleeved SG Tubes.Proprietary W Rept WCAP-14446, Repair...Of Hybrid Expansion Joint...Tubes Encl.W Rept Withheld ML17332A8271995-06-30030 June 1995 Application for Amends to Licenses DPR-58 & DPR-74,changing TS Section 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02, Suppl 1 ML17334B5501995-06-20020 June 1995 License Amend Request to Licenses DPR-58 & DPR-74,to Remove Requirements for Fire Protection Systems from Licenses & Guidance in GL 86-10,GL 88-12 & GL 93-07 ML17332A7991995-06-15015 June 1995 Application for Amends to Licenses DPR-58 & DPR-74,revising TS 4.8.1.1.2.e.7 to Reduce Duration of Surveillance Testing for EDGs During Refueling Operations from 24 H to 8 H ML17334B5481995-05-26026 May 1995 Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Support Operation of Unit 1 at SG Tube Plugging Levels Up to 30%,make One Unit 1 TS More Nearly Like Corresponding Unit 2 TS & Maintain Consistency of Unit 2 Criteria ML17334B5461995-05-26026 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying Tech Specs 3/4.3.1 (Reactor Trip Sys Instrumentation) & 3/4.3.2 (ESFAS Instrumentation) & Bases to Relocate Tables of Response Time Limits to Ufsar,Per GL 93-08 ML17332A7661995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Incorporate Cycle & Burnup Dependent Peaking Factor Penalty ML17332A7741995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02,Suppl 1 ML17332A7771995-05-25025 May 1995 Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Table 4.3-2 to Change Main Steam Line Isolation Valve Manual Actuation Sys Surveillance Frequency from Monthly to Quarterly 1999-09-23
[Table view] |
Text
ACCELERATED DIK+BUTION DEMONSTR+OAI SYFI'EM~~REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR-8901120447 DOC.DATE:
88/12/30'OTARIZED:
NODOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana&05000315AUTH.NAMEAUTHORAFFILIATION ALEXICH,M.P.
IndianaMichiganPowerCo.(formerly Indiana&MichiganEleRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)
SUBJECT:
Application foramendtoLicenseDPR-58,modifying TechSpec4.1.1.5remintempforcriticality.
DISTRIBUTION CODE:AOOIDCOPIESRECEIVED:LTR JENCLQSIZE:7~TITLE:ORSubmittal:
GeneralDistribution NOTES:RECIPIENT IDCODE/NAME PD3-1LASTANG,JINTERNAL:
ARM/DAF/LFMB NRR/DEST/CEB 8HNRR/DEST/MTB 9HNRR/DEST/SICB NRR/PMAS/ILRB12 OGC/HDS1RES/DSIR/EIB EXTERNAL:
LPDRNSICCOPIESLTTRENCL1011101.11111111011111.1RECIPIENT IDCODE/NAME PD3-1PDNRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/RSB 8ENRR/DOEA/TSB 11NUDOC-BSTRACTGFg01NRCPDRCOPIESLTTRENCL2211111111111111NOTE'roALL"RIDS"RECIPXZmS.
(/dcgg/<~~2.9(~g~hDSPZZASEHELPUSK)REDUCEWIPE!CGHIACZ'%HEDOCUMEÃZCONTROLDESKiROOMP1-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRZKITION LISTSFORDOCGKBTZS YOUDGNiTNEED!TOTALNUMBEROFCOPIESREQUIRED:
LTTR20ENCL17 IndianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216IMEHANllNlCMGANROMEOAEP:NRC:1067A 10CFR50.90DonaldC.CookNuclearPlantUnit1DocketNo.50-315llLicenseNo.DPR-58SUPPLEMENTAL TECHNICAL SPECIFICATION CHANGESFORREDUCEDTEMPERATURE ANDPRESSUREPROGRAMU.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Attn:T.E.MurleyDecember30,1988
DearDr.Hurley:
Thisletteranditsattachments constitute anapplication foramendment totheTechnical Specifications (T/Ss)fortheDonaldC.CookNuclearPlantUnit1.Specifically, weareproposing tomodifyT/S4.1.1.5(MinimumTemperature forCriticality) suchthatthetemperature belowwhichthereactorcoolantsystemaveragetemperature mustbemonitored every30minutesisreducedfrom551Fto545F.ThechangeisdesiredsinceweplantooperatetheupcomingUnit1Cycle11atreducedtemperature andpressure(RTP)conditions.
TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.TheexpectedfullpowerTavgforCyclellis0approximately 550F,reducedfromthepresent(non-RTP) fullpower0Tavgof567.8F.Plantoperation withthepresentT/Sisnotprecluded undertheRTPconditions; however,theT/Sdoesplaceaburdenontheplantoperators sinceTavgwillhavetobemonitored every30minutesatessentially alltimeswhenthereactoriscritical.
Thislettersupplements ourletterAEP:NRC:1067, datedOctober14,1988.Thatlettertransmitted theanalysesthatsupportRTPoperation, aswellastheT/Schangesnecessary toallowplantoperation.
Werequestthatyourreviewofthisrequestbecompleted byApril15,1989,whichisthesamedaterequested inAEP:NRC:1067 forapprovaloftheRTPanalysesandassociated T/Schanges.pic'lpDRADQCK05OOoP'g,eel:4i~~Ios%~
Dr.T.E.Hurley-2-AEP:NRC:1067A Additional detailsaboutthechangeandourevaluation concerning significant hazardsconsideration arecontained inAttachment 1tothisletter.TheproposedrevisedT/SchangeisfoundinAttachment 2.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofeffluents orasignificant increaseintheamountsofanyeffluentthat,maybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.
TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee, andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee attheirnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50.91(b)(1),
copiesofthisletteranditsattachments havebeentransmitted toMr.R.C.CallenoftheMichiganPublicServiceCommission, andMr.GeorgeBruchmann oftheMichiganDepartment ofPublicHealth.Pursuanttotherequirements of10CFR170'2(c),wehaveenclosedanapplication feeof$150.00fortheproposedamendments.
Thisdocumenthasbeenpreparedfollowing Corporate procedures thatincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned.
Sincerely, M.P.AlexichVicePresident MPA/ehAttachments cc:D.H.Williams, Jr.W.G.Smith,Jr.-BridgmanR.C.'allenG.CharnoffG.Bruchmann A.B.Davis-RegionIIINRCResidentInspector
-Bridgman ATTACHMENT 1TOAEP:NRC:1067A DESCRIPTION AND10CFR50.92SIGNIFICANT HAZARDSEVALUATION FORCHANGESTOTHETECHNICAL SPECIFICATIONS FORTHEDONALDC.COOKNUCLEARPLANTUNIT1
ATTACHMENT 1TOAEP:NRC:1067A Page1DescritionofChaneUnit1Technical Specification (T/S)4.1.1.5.b (MinimumTemperature forCriticality) aspresently writtenrequiresverification thatthereactorcoolantsystemTavgis>541Fatleastonceper30minuteswhenthereactoriscriticalandTavgislessthan551F.Weareproposing torevisetherequirement suchthatTavgmustbeverifiedevery30minuteswhenTavgisbelow/(545ForwhenthelowTavgalarmisinoperable.
0ReasonfortheChaneUnderpresentoperating conditions, fullpowerTavgis567.8F.0FortheupcomingUnit1Cycle11,however,weareplanningtooperatetheplantunderreducedtemperature andpressure(RTP)conditions.
TheRTPprogramsupportsarangeofnominalfullpowerTavgfrom547Fto567.8F.ThefullpowerTavgwillbeloweredtoapproximately 550FforUnit1Cyclell.Sincethis0isbelow551F,thepresentwordingofT/S4.1.1.5.b wouldrequirethatTavgbeverifiedtobeabove541F(theminimumtemperature 0forcriticality) every30minutesessentially alltimeswhenthereactoriscritical.
Althoughthisdoesnotprecludeoperation underRTPconditions, itisburdensome andwilldistracttheoperators fromotherduties.Thisrequestsupplements ourletterAEP:NRC:1067, datedOctober14,1988.Thatlettertransmitted.
theanalyseswhichsupportRTPoperation, aswellastheT/Schangesthatarenecessary inordertoimplement theRTPprogram.Justification forChaneTheproposedchangedoesnotaltertheminimumtemperature forcriticality.
Tavgmustbemaintained above541Fanytimethereactoriscritical.
ShouldTavgdropbelow541F,theactionstatement forT/S3.1.1.5requiresthatTavgberestoredabove0541Fwithin15minutesortheunitmustbeplacedinhotstandby.T/S4.1.1,5.b presently requiresTavgtobedetermined every30minuteswhenTavgislessthan10Fabove541F.This10Fvalueisconsistent withthelatestrevisionofWestinghouse StandardT/Ss.Westinghouse hasinformedusthe10Fwasestablished toprotectagainstencroachment uponthe541Fminimumtemperature 0forcriticality.
The10Fvalueisnotderivedfromanyanalysis.
0TheplantisequippedwithalowTavgalarmthatiscurrently set0at554F.ThelowTavgalarmisderivedfromthebistables thatclosethemainfeedwater controlvalvesonlowTavgcoincident withareactortrip.Thisfunctionhelpsprotectthereactorfromexcessive cooldownfollowing areactortrip.Diversity ofsignals
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ATTACHMENT 1TOAEP'NRC'1067A Page2forterminating mainfeedwater isprovidedviatheP-4permissive, whichtripsthemainfeedwater pumpsintheeventofareactortrip.Thefunctions associated withthelowTavgbistableandthemainfeedwater pumptriponreactortriparenotdelineated intheT/Ss.Weareproposing tolowerthelowTavgsetpoint(including thealarm)from554Fto545F.Thetemperature of545Fis00sufficiently belowtheoperating temperature tolessenthepossibility ofunnecessary.=alarms, butishighenoughtoprovidetheoperatorwithamplewarningthatTavgisapproaching the541F0minimumtemperature forcriticality.
LoweringthelowTavgsetpointhasminimaleffectontheresponseoftheplanttoreactortripbecause,asdiscussed above,themainfeedpumps (MFP)aretrippeddirectlyonareactortrip,viatheP-4permissive.
TheFSARLOCAandtransient analysesdonottakecreditforfeedwater isolation derivedfromthe'lowTavgbistable.
ThefunctionismodeledintheWestinghouse OwnersGroupanalysisofsteamline breakmassandenergyreleasesoutsidecontainment (WCAP10961),becauseitisconservative todoso.Modelingofthefunctionisconservative becauseitleadstoearlierfeedwater isolation thantheother(T/S)signalsthatalsoprovidefeedwater isolation.
Earlytermination offeedwater resultsingreatersteamgenerator tubeuncovery, andthusmoresuperheating ofthesteamexitingthebreak.LoweringthelowTavgsetpointisconservative withrespecttothisanalysis, sinceitwillsomewhatdelaythefeedwater isolation.
WeproposethattheoperatoronlyberequiredtomonitoranddocumentTavgona30-minute basisifTavgisbelowtheproposedlowTavgsetpointof545F,orifthelowTavgalarmis0inoperable.
Thiswillavoidtheburdenthatmonitoring Tavgevery30minutesplacesontheoperators, andwillhelpensuretheoperators'ttention isnotdivertedfrommoreimportant safetyfunctions.
Tavgwillcontinuetobemeasuredatleastonceper12hoursinMode1,asrequiredbyT/S3.2.5(DNBParameters).
Theresetting oftheTavgalarmto545FwillensuretheoperatoriswarnedthatTavgisencroaching uponthe541Fminimumtemperature 0forcriticality.
10CFR50.92Evaluation Per10CFR50.92,aproposedamendment willnotinvolveasignificant hazardsconsideration iftheproposedamendment doesnot:
ATTACHMENT 1TOAEP:NRC:1067A Page31)Involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously
- analyzed, 2)Createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated, or3)Involveasignificant reduction inamarginofsafety.Criterion 1Theperiodicmonitoring anddocumenting ofTavgwhentheplantisoperatedneartheminimumtemperature forcriticality willbereduced.However,thischangewillbecompensated forbyloweringthealarmsetpointtowarntheoperatorofapproachtotheminimumtemperature forcriticality.
Therefore, wedonotbelieveourproposalwillresultinanincreaseintheprobability orconsequences ofanaccidentpreviously analyzed.
Criterion 2TheproposedT/Schangesdonotrevisetheminimumtemperature forcriticality of541Fspecified inT/S3.1.1.5.Thechangeonlyimpactsthetemperature atwhichTavgmustbemonitored every30minutes.Thiswillbecompensated forbyproviding analarmata0Tavgof545Fthatwillwarntheoperatorthattheplantisapproaching theminimumtemperature atwhichitmayremaincritical.
Thus,wedonotbelievethechangecanresultinanynewordifferent kindsofaccidents fromanypreviously analyzedorevaluated.
Criterion 3ThepurposeoftheT/SistoensurethereactorisnotcriticalwithTavgbelow541F,withoutappropriate actionbeingtaken.WewillensurethattheoperatoriswarnedthatTavgisapproaching the541FlimitbyloweringthelowTavgalarmsetpointto545F.Webelievethiswillprovideadequateassurance thatthe541FTavglimitisprotected.
Therefore, theproposedchangeshouldnotsignificantly reducethemarginofsafety.Lastly,wenotethattheCommission hasprovidedguidanceconcerning thedetermination ofsignificant hazardsbyproviding examples(48FR14870)ofamendments considered notlikelytoinvolvesignificant hazardsconsideration.
Thesixthoftheseexamplesreferstochangesthatmayresultinsome*increasetotheprobability orconsequences ofapreviously analyzedaccident, buttheresultsofwhicharewithinlimitsestablished asacceptable.
Asdiscussed inthebases,theminimumtemperature forcriticality ensuresthatthereactor,instrumentation, andvesselareoperatedintheiranalyzedtemperature ranges.Theserequirements arenot IC ATTACHMENT 1TOAEP:NRC:1067A Page4affectedbyourproposedrevisiontothesurveillance requirements.
Thechangeonlyimpactsthetemperature atwhichtheoperatormustmonitorTavgevery30minutestoensurethetemperature doesnotdropbelowtheminimumtemperature forcriticality.
Mewillbeproviding analarmthatwillalerttheoperatorthatthetemperature isapproaching itsminimumTavglimit.Therefore, webelievetheexamplecitedisapplicable andthatthechangesshouldnotinvolveasignificant hazardsconsideration.