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{{#Wiki_filter:l~l~RI(GRIMYACCELERATEDRIDSPROCESSliREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)DOCKETI0500031505000316
{{#Wiki_filter:l~l~RI(GRIMYACCELERATED RIDSPROCESSli REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)DOCKETI0500031505000316


==SUBJECT:==
==SUBJECT:==
ApplicationforamendstolicensesDPR-58&DPR-74,modifyingTS5.3.1toallowfuelreconstitution,perGL90-02,Suppl1.IDISTRIBUTIONCODE:A014DCOPIESRECEIVED:LTR+ENCLlSIZE:TITLE:GenericLtr90-02reLine-ItemTechSpecImprovement-AternatzveReRNOTES:ACCESSIONNBR:9506060413DOC.DATE:95/05/25NOTARIZED:YESFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,IndianaM50-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaMAUTH.NAMEAUTHORAFFILIATIONFITZPATRICK,E.IndianaMichiganPowerCo.(formerlyIndiana&MichiganElePRECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)RINTERNAL:EXTERNAL:NOACRECIPIENTIDCODE/NAMEPD3-1PDHICKMAN,J%BR-S&A+RXRES/DSIR/EIBCOPIESLTTRENCL1111111111RECIPIENTIDCODE/NAMEPD11-3NRR/DSSAOGC/HDS2NRCPDRCOPIESLTTRENCL11111011DCUNNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEiVASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMP1-37(EXT.504-2083)TOELISIINATEYOURNAMEPRO%IDISTRIBUTIONLISTSI'ORDOCL'MEN'I'SYOUDON"I'EED!TOTALNUMBEROFCOPIESREQUIRED:LTTR10ENCL9  
Application foramendstolicensesDPR-58&DPR-74,modifying TS5.3.1toallowfuelreconstitution,per GL90-02,Suppl 1.IDISTRIBUTION CODE:A014DCOPIESRECEIVED:LTR
'I IndianaMichiganPowerCompanyP.O.Box16631Columbus,OH43216May25,1995AEP:NRC:1124BDocket:Nos.:50-31550-316U.S.NuclearRegulatoryCommissionATTN:DocumentControlDeskWashington,DEC.20555Gentlemen:DonaldC.CookNuclearPlantUnits1and2PROPOSEDTECHNICALSPECIFICATIONAMENDMENTTOALLOWFUELRECONSTITUTION(GENERICLETTER90-02SUPPLEMENT1)Thisletteranditsattachmentsconstituteanapplicationforamendmenttothetechnicalspecifications(T/Ss)fortheDonaldC.CookNuclearPlantunits1and2.Specifically,weareproposingtomodifyT/S5.3.1toallowfuelreconstitution.Theproposedamendmentisalineitemimprovementbasedontherecommendationsofgenericletter(GL)90-02supplement1,"AlternativeRequirementsforFuelAssembliesintheDesignFeaturesSectionofTechnicalSpecifications."Theproposedchangeswillpermitremovalofsuspecteddefectivefuelrods,allowingforfuturereductionsinoccupationalradiationexposure,andplantradiologicalreleases.Attachment1providesadetaileddescriptionoftheproposedchanges,thejustificationforthechanges,andourdeterminationofnosignificanthazardsconsiderationperformedpursuantto10CFR50.92.Attachment2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment3containstheproposedrevisedT/Spages.Webelievetheproposedchangeswillnotresultin(1)asignificantchangeinthetypesof'nyeffluentthatmaybereleasedoffsite,or(2)asignificantincreaseinindividualorcumulativeoccupationalradiationexposure.TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommitteeandtheNuclearSafetyandDesignReviewCommittee.950bOb0413,950525PDRADOCK.050003i5PDRo<<
+ENCLlSIZE:TITLE:GenericLtr90-02reLine-Item TechSpecImprovement
ll11L1 U.S.NuclearRegulatoryCommissionPage2AEP'NRC'1124BIncompliancewiththerequirementsof10CFR50.91(b)(l),copiesofthisletteranditsattachmentshavebeentransmittedtotheMichiganPublicServiceCommissionandtotheMichiganDepartmentofPublicHealth.Sincerely,EZE.E.FitzpktrickVicePresidentSWORNTOANDSUBSCRIBEDBEFOREMETHIS~>~DAYOF1995NteryPublicMyCommissionExpires:ehAttachmentsCC:A.A.BlindG.CharnoffJ.B.MartinNFEMSectionChiefNRCResidentInspector-BridgmanJ.R.Padgett ATTACHMENT1TOAEP:NRC:1124BDESCRIPTIONANDJUSTIFICATIONOFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICALSPECIFICATIONS
-Aternatzve ReRNOTES:ACCESSION NBR:9506060413 DOC.DATE:
95/05/25NOTARIZED:
YESFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM50-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaMAUTH.NAMEAUTHORAFFILIATION FITZPATRICK,E.
IndianaMichiganPowerCo.(formerly Indiana&MichiganElePRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)RINTERNAL:
EXTERNAL:
NOACRECIPIENT IDCODE/NAME PD3-1PDHICKMAN,J
%BR-S&A+RXRES/DSIR/EIB COPIESLTTRENCL1111111111RECIPIENT IDCODE/NAME PD11-3NRR/DSSAOGC/HDS2NRCPDRCOPIESLTTRENCL11111011DCUNNOTETOALL"RIDS"RECIPIENTS:
PLEASEHELPUSTOREDUCEiVASTE!CONTACTTHE DOCUMENTCONTROLDESK,ROOMP1-37(EXT.504-2083)TOELISIINATEYOURNAMEPRO%IDISTRIBUTION LISTSI'ORDOCL'MEN'I'S YOUDON"I'EED!TOTALNUMBEROFCOPIESREQUIRED:
LTTR10ENCL9  
'I IndianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216May25,1995AEP:NRC:1124B Docket:Nos.:50-31550-316U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskWashington, DEC.20555Gentlemen:
DonaldC.CookNuclearPlantUnits1and2PROPOSEDTECHNICAL SPECIFICATION AMENDMENT TOALLOWFUELRECONSTITUTION (GENERICLETTER90-02SUPPLEMENT 1)Thisletteranditsattachments constitute anapplication foramendment tothetechnical specifications (T/Ss)fortheDonaldC.CookNuclearPlantunits1and2.Specifically, weareproposing tomodifyT/S5.3.1toallowfuelreconstitution.
Theproposedamendment isalineitemimprovement basedontherecommendations ofgenericletter(GL)90-02supplement 1,"Alternative Requirements forFuelAssemblies intheDesignFeaturesSectionofTechnical Specifications."
Theproposedchangeswillpermitremovalofsuspected defective fuelrods,allowingforfuturereductions inoccupational radiation
: exposure, andplantradiological releases.
Attachment 1providesadetaileddescription oftheproposedchanges,thejustification forthechanges,andourdetermination ofnosignificant hazardsconsideration performed pursuantto10CFR50.92.Attachment 2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment 3containstheproposedrevisedT/Spages.Webelievetheproposedchangeswillnotresultin(1)asignificant changeinthetypesof'nyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.
TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andtheNuclearSafetyandDesignReviewCommittee.
950bOb0413,950525 PDRADOCK.050003i5PDRo<<
ll11L1 U.S.NuclearRegulatory Commission Page2AEP'NRC'1124B Incompliance withtherequirements of10CFR50.91(b)(l),
copiesofthisletteranditsattachments havebeentransmitted totheMichiganPublicServiceCommission andtotheMichiganDepartment ofPublicHealth.Sincerely, EZE.E.Fitzpktrick VicePresident SWORNTOANDSUBSCRIBED BEFOREMETHIS~>~DAYOF1995NteryPublicMyCommission Expires:ehAttachments CC:A.A.BlindG.CharnoffJ.B.MartinNFEMSectionChiefNRCResidentInspector
-BridgmanJ.R.Padgett ATTACHMENT 1TOAEP:NRC:1124B DESCRIPTION ANDJUSTIFICATION OFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS


ATTACHMENT1TOAEP:NRC:1124BPage1I.DESCRIPTIONOFCHANGESWeareproposingtomodifytechnicalspecification(T/S)5.3.1(DesignFeatures-FuelAssemblies)toallowforfuelreconstitution.Themodifiedstatementpermits"limitedsubstitutionsofzirconiumalloyorstainlesssteelfillerrods,inaccordancewithNRC-approvedapplicationsoffuelrodconfigurations."II.JUSTIFICATIONFORCHANGESTheproposedT/Samendmentisalineitemimprovementbasedontheguidanceofgenericletter(GL)90-02supplement1,"AlternativeRequirementsforFuelAssembliesintheDesignFeaturesSectionofTechnicalSpecifications."ThepresentT/Srequirementforfuelassembliesspecifiesthequantityoffuelassembliesandthenumberoffuelrodsperassembly.Flexibilitytodeviatefromthenumberoffuelrodsperassemblyisdesirabletopermitremovaloffuelrodsthatarefoundto'beleakingoraredeterminedtobeprobablesourcesoffutureleakage,sothatreuseofthemajorityoftheaffectedfuelassemblyispermittedwithminimalimpactoncoredesign.forthesubsequentfuelcycle.Thisimprovementmayprovidereductionsinfutureoccupationalradiationexposureandplantradiologicalreleases.TheproposedchangetoallowreconstitutionisconsistentwiththerecommendationofGL90-02supplement1.Substitutionislimitedtozirconiumalloyorstainlesssteelfillerrods(i.e.,noopenwaterchannelsarepermitted).Also,substitutionmustbeinaccordancewith"NRC-approvedapplicationsoffuelrodconfigurations."Genericletter90-02supplement1states:"ThestaffconsidersanNRC-approvedmethodologytobeanymethodologythattheNRCstaffhasexplicitlyapprovedinawrittensafetyevaluationoraplant-specifictechnicalbasis.ThatNRC-approvedmethodologymustbeusedonlyforthepurposeandthescopeofapplicationspecifiedintherevieweddocumentasapprovedormodifiedintheNRCapprovaldocumentation."Wearesubmittingthisamendmentonlyasacontingencyshouldtheneedariseinthefuture.Asrequiredbytheseproposedchanges,anyreconstitutionperformedwillbedonein ATTACHMENT1TOAEP:NRC:1124BPage2accordancewithanalreadyapprovedmethodology,oraspecificmethodologywillbesubmittedforNRCapproval.III.10CFR5092CRITERIPer10CFR50.92,aproposedchangedoesnotinvolvesignificanthazardsconsiderationifthechangedoesnot:involveasignificantincreaseintheprobabilityorconsequenceofanaccidentpreviouslyevaluated,2.createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated,or3.involveasignificantreductioninamarginofsafety.CriterionTheproposedchangesonlymodifytheT/Sssuchthatreconstitutionisrecognizedasacceptableunderverylimitedcircumstances.Reconstitutionislimitedtosubstitutionofzirconiumalloyorstainlesssteelfillerrods,andmustbeinaccordancewithapprovedapplicationsoffuelrodconfigurations.AlthoughthesechangespermitreconstitutiontooccurwithouttheneedforaspecificT/Schange,anapprovedmethodologyisrequiredpriortoitsapplication.Sincethechangeswillallowsubstitutionoffillerrodsforleakingorpotentiallyleakingrods,thechangesmayactuallyreducetheradiologicalconsequencesofanaccident.ItisnotedthatthespecificchangesrequestedinthisletterhavepreviouslybeenfoundacceptablebytheNRCinGL90-02supplement1.Forthesereasons,weconcludethatthechangeswillnotinvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.CriterionTheproposedchangeswillnotcreatethepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluatedbecausetheywillonlyaffecttheassemblyconfigurationandcanonlybeimplementedinaccordancewithanNRC-approvedmethodology.Theotheraspectsofplantdesign,operationlimitations,andresponsestoeventswillremainunchanged.ItisnotedthatthechangeshavepreviouslybeendeterminedacceptablebytheNRCinGL90-02supplement1.
ATTACHMENT 1TOAEP:NRC:1124B Page1I.DESCRIPTION OFCHANGESWeareproposing tomodifytechnical specification (T/S)5.3.1(DesignFeatures-FuelAssemblies) toallowforfuelreconstitution.
ATTACHMENT1TOAEP:NRC:1124BPage3Criterion3TheproposedamendmentwillnotinvolveasignificantreductioninamarginofsafetybecausethechangescanonlybeimplementedinaccordancewithanNRC-approvedmethodology.ItisnotedthatthechangeshavepreviouslybeendeterminedacceptablebytheNRCinGL90-02supplementl.}}
Themodifiedstatement permits"limitedsubstitutions ofzirconium alloyorstainless steelfillerrods,inaccordance withNRC-approved applications offuelrodconfigurations."
II.JUSTIFICATION FORCHANGESTheproposedT/Samendment isalineitemimprovement basedontheguidanceofgenericletter(GL)90-02supplement 1,"Alternative Requirements forFuelAssemblies intheDesignFeaturesSectionofTechnical Specifications."
ThepresentT/Srequirement forfuelassemblies specifies thequantityoffuelassemblies andthenumberoffuelrodsperassembly.
Flexibility todeviatefromthenumberoffuelrodsperassemblyisdesirable topermitremovaloffuelrodsthatarefoundto'beleakingoraredetermined tobeprobablesourcesoffutureleakage,sothatreuseofthemajorityoftheaffectedfuelassemblyispermitted withminimalimpactoncoredesign.forthesubsequent fuelcycle.Thisimprovement mayprovidereductions infutureoccupational radiation exposureandplantradiological releases.
Theproposedchangetoallowreconstitution isconsistent withtherecommendation ofGL90-02supplement 1.Substitution islimitedtozirconium alloyorstainless steelfillerrods(i.e.,noopenwaterchannelsarepermitted).
Also,substitution mustbeinaccordance with"NRC-approved applications offuelrodconfigurations."
Genericletter90-02supplement 1states:"Thestaffconsiders anNRC-approved methodology tobeanymethodology thattheNRCstaffhasexplicitly approvedinawrittensafetyevaluation oraplant-specifictechnical basis.ThatNRC-approvedmethodology mustbeusedonlyforthepurposeandthescopeofapplication specified intherevieweddocumentasapprovedormodifiedintheNRCapprovaldocumentation."
Wearesubmitting thisamendment onlyasacontingency shouldtheneedariseinthefuture.Asrequiredbytheseproposedchanges,anyreconstitution performed willbedonein ATTACHMENT 1TOAEP:NRC:1124B Page2accordance withanalreadyapprovedmethodology, oraspecificmethodology willbesubmitted forNRCapproval.
III.10CFR5092CRITERIPer10CFR50.92,aproposedchangedoesnotinvolvesignificant hazardsconsideration ifthechangedoesnot:involveasignificant increaseintheprobability orconsequence ofanaccidentpreviously evaluated, 2.createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated, or3.involveasignificant reduction inamarginofsafety.Criterion TheproposedchangesonlymodifytheT/Sssuchthatreconstitution isrecognized asacceptable underverylimitedcircumstances.
Reconstitution islimitedtosubstitution ofzirconium alloyorstainless steelfillerrods,andmustbeinaccordance withapprovedapplications offuelrodconfigurations.
Althoughthesechangespermitreconstitution tooccurwithouttheneedforaspecificT/Schange,anapprovedmethodology isrequiredpriortoitsapplication.
Sincethechangeswillallowsubstitution offillerrodsforleakingorpotentially leakingrods,thechangesmayactuallyreducetheradiological consequences ofanaccident.
Itisnotedthatthespecificchangesrequested inthisletterhavepreviously beenfoundacceptable bytheNRCinGL90-02supplement 1.Forthesereasons,weconcludethatthechangeswillnotinvolveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated.
Criterion Theproposedchangeswillnotcreatethepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated becausetheywillonlyaffecttheassemblyconfiguration andcanonlybeimplemented inaccordance withanNRC-approved methodology.
Theotheraspectsofplantdesign,operation limitations, andresponses toeventswillremainunchanged.
Itisnotedthatthechangeshavepreviously beendetermined acceptable bytheNRCinGL90-02supplement
: 1.
ATTACHMENT 1TOAEP:NRC:1124B Page3Criterion 3Theproposedamendment willnotinvolveasignificant reduction inamarginofsafetybecausethechangescanonlybeimplemented inaccordance withanNRC-approved methodology.
Itisnotedthatthechangeshavepreviously beendetermined acceptable bytheNRCinGL90-02supplement l.}}

Revision as of 07:02, 29 June 2018

Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02,Suppl 1
ML17332A774
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 05/25/1995
From: FITZPATRICK E
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17332A775 List:
References
AEP:NRC:1124B, GL-90-02, GL-90-2, NUDOCS 9506060413
Download: ML17332A774 (10)


Text

l~l~RI(GRIMYACCELERATED RIDSPROCESSli REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)DOCKETI0500031505000316

SUBJECT:

Application foramendstolicensesDPR-58&DPR-74,modifying TS5.3.1toallowfuelreconstitution,per GL90-02,Suppl 1.IDISTRIBUTION CODE:A014DCOPIESRECEIVED:LTR

+ENCLlSIZE:TITLE:GenericLtr90-02reLine-Item TechSpecImprovement

-Aternatzve ReRNOTES:ACCESSION NBR:9506060413 DOC.DATE:

95/05/25NOTARIZED:

YESFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM50-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaMAUTH.NAMEAUTHORAFFILIATION FITZPATRICK,E.

IndianaMichiganPowerCo.(formerly Indiana&MichiganElePRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)RINTERNAL:

EXTERNAL:

NOACRECIPIENT IDCODE/NAME PD3-1PDHICKMAN,J

%BR-S&A+RXRES/DSIR/EIB COPIESLTTRENCL1111111111RECIPIENT IDCODE/NAME PD11-3NRR/DSSAOGC/HDS2NRCPDRCOPIESLTTRENCL11111011DCUNNOTETOALL"RIDS"RECIPIENTS:

PLEASEHELPUSTOREDUCEiVASTE!CONTACTTHE DOCUMENTCONTROLDESK,ROOMP1-37(EXT.504-2083)TOELISIINATEYOURNAMEPRO%IDISTRIBUTION LISTSI'ORDOCL'MEN'I'S YOUDON"I'EED!TOTALNUMBEROFCOPIESREQUIRED:

LTTR10ENCL9

'I IndianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216May25,1995AEP:NRC:1124B Docket:Nos.:50-31550-316U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskWashington, DEC.20555Gentlemen:

DonaldC.CookNuclearPlantUnits1and2PROPOSEDTECHNICAL SPECIFICATION AMENDMENT TOALLOWFUELRECONSTITUTION (GENERICLETTER90-02SUPPLEMENT 1)Thisletteranditsattachments constitute anapplication foramendment tothetechnical specifications (T/Ss)fortheDonaldC.CookNuclearPlantunits1and2.Specifically, weareproposing tomodifyT/S5.3.1toallowfuelreconstitution.

Theproposedamendment isalineitemimprovement basedontherecommendations ofgenericletter(GL)90-02supplement 1,"Alternative Requirements forFuelAssemblies intheDesignFeaturesSectionofTechnical Specifications."

Theproposedchangeswillpermitremovalofsuspected defective fuelrods,allowingforfuturereductions inoccupational radiation

exposure, andplantradiological releases.

Attachment 1providesadetaileddescription oftheproposedchanges,thejustification forthechanges,andourdetermination ofnosignificant hazardsconsideration performed pursuantto10CFR50.92.Attachment 2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment 3containstheproposedrevisedT/Spages.Webelievetheproposedchangeswillnotresultin(1)asignificant changeinthetypesof'nyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.

TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andtheNuclearSafetyandDesignReviewCommittee.

950bOb0413,950525 PDRADOCK.050003i5PDRo<<

ll11L1 U.S.NuclearRegulatory Commission Page2AEP'NRC'1124B Incompliance withtherequirements of10CFR50.91(b)(l),

copiesofthisletteranditsattachments havebeentransmitted totheMichiganPublicServiceCommission andtotheMichiganDepartment ofPublicHealth.Sincerely, EZE.E.Fitzpktrick VicePresident SWORNTOANDSUBSCRIBED BEFOREMETHIS~>~DAYOF1995NteryPublicMyCommission Expires:ehAttachments CC:A.A.BlindG.CharnoffJ.B.MartinNFEMSectionChiefNRCResidentInspector

-BridgmanJ.R.Padgett ATTACHMENT 1TOAEP:NRC:1124B DESCRIPTION ANDJUSTIFICATION OFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS

ATTACHMENT 1TOAEP:NRC:1124B Page1I.DESCRIPTION OFCHANGESWeareproposing tomodifytechnical specification (T/S)5.3.1(DesignFeatures-FuelAssemblies) toallowforfuelreconstitution.

Themodifiedstatement permits"limitedsubstitutions ofzirconium alloyorstainless steelfillerrods,inaccordance withNRC-approved applications offuelrodconfigurations."

II.JUSTIFICATION FORCHANGESTheproposedT/Samendment isalineitemimprovement basedontheguidanceofgenericletter(GL)90-02supplement 1,"Alternative Requirements forFuelAssemblies intheDesignFeaturesSectionofTechnical Specifications."

ThepresentT/Srequirement forfuelassemblies specifies thequantityoffuelassemblies andthenumberoffuelrodsperassembly.

Flexibility todeviatefromthenumberoffuelrodsperassemblyisdesirable topermitremovaloffuelrodsthatarefoundto'beleakingoraredetermined tobeprobablesourcesoffutureleakage,sothatreuseofthemajorityoftheaffectedfuelassemblyispermitted withminimalimpactoncoredesign.forthesubsequent fuelcycle.Thisimprovement mayprovidereductions infutureoccupational radiation exposureandplantradiological releases.

Theproposedchangetoallowreconstitution isconsistent withtherecommendation ofGL90-02supplement 1.Substitution islimitedtozirconium alloyorstainless steelfillerrods(i.e.,noopenwaterchannelsarepermitted).

Also,substitution mustbeinaccordance with"NRC-approved applications offuelrodconfigurations."

Genericletter90-02supplement 1states:"Thestaffconsiders anNRC-approved methodology tobeanymethodology thattheNRCstaffhasexplicitly approvedinawrittensafetyevaluation oraplant-specifictechnical basis.ThatNRC-approvedmethodology mustbeusedonlyforthepurposeandthescopeofapplication specified intherevieweddocumentasapprovedormodifiedintheNRCapprovaldocumentation."

Wearesubmitting thisamendment onlyasacontingency shouldtheneedariseinthefuture.Asrequiredbytheseproposedchanges,anyreconstitution performed willbedonein ATTACHMENT 1TOAEP:NRC:1124B Page2accordance withanalreadyapprovedmethodology, oraspecificmethodology willbesubmitted forNRCapproval.

III.10CFR5092CRITERIPer10CFR50.92,aproposedchangedoesnotinvolvesignificant hazardsconsideration ifthechangedoesnot:involveasignificant increaseintheprobability orconsequence ofanaccidentpreviously evaluated, 2.createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated, or3.involveasignificant reduction inamarginofsafety.Criterion TheproposedchangesonlymodifytheT/Sssuchthatreconstitution isrecognized asacceptable underverylimitedcircumstances.

Reconstitution islimitedtosubstitution ofzirconium alloyorstainless steelfillerrods,andmustbeinaccordance withapprovedapplications offuelrodconfigurations.

Althoughthesechangespermitreconstitution tooccurwithouttheneedforaspecificT/Schange,anapprovedmethodology isrequiredpriortoitsapplication.

Sincethechangeswillallowsubstitution offillerrodsforleakingorpotentially leakingrods,thechangesmayactuallyreducetheradiological consequences ofanaccident.

Itisnotedthatthespecificchangesrequested inthisletterhavepreviously beenfoundacceptable bytheNRCinGL90-02supplement 1.Forthesereasons,weconcludethatthechangeswillnotinvolveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated.

Criterion Theproposedchangeswillnotcreatethepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated becausetheywillonlyaffecttheassemblyconfiguration andcanonlybeimplemented inaccordance withanNRC-approved methodology.

Theotheraspectsofplantdesign,operation limitations, andresponses toeventswillremainunchanged.

Itisnotedthatthechangeshavepreviously beendetermined acceptable bytheNRCinGL90-02supplement

1.

ATTACHMENT 1TOAEP:NRC:1124B Page3Criterion 3Theproposedamendment willnotinvolveasignificant reduction inamarginofsafetybecausethechangescanonlybeimplemented inaccordance withanNRC-approved methodology.

Itisnotedthatthechangeshavepreviously beendetermined acceptable bytheNRCinGL90-02supplement l.