ML17254A862

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Proposed Tech Specs,Deleting Pages 2.1-3 & 2.1-4 & Inserting New Page 2.1-3 to Provide Consistency
ML17254A862
Person / Time
Site: Ginna Constellation icon.png
Issue date: 07/17/1984
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17254A856 List:
References
NUDOCS 8407240218
Download: ML17254A862 (7)


Text

Attachment A1.RevisetheTechnical Specifications byremovingexistingpages2.1-3and2.1-4andinserting theenclosedpage2.1-3.84070500PP44188407i7POP>DOCKpDpPI lit'tt!tlttltt-'t'r Sinceitispossibletohavesomewhatgreaterenthalpyrisehotchannelfactorsatpartpowerthanatfullpowerduetothedeepercontrolbankinsertion whichispermitted atpartpower,aconservative allowance hasbeenmadeinobtaining thecurvesinFigure2.1-1foranincreaseinFIHwithdecreasing powerlevels.Rodwithdrawal blockandloadrunbackoccursbeforereactortripsetpointsarereached.TheReactorControlandProtective Systemisdesignedtopreventanyanticipated combination oftransient conditions forreactorcoolantsystemtemperature, pressureandthermalpowerlevelthatwouldresultintherebeinglessthana95%probability ata95%confidence levelthatDNBwouldnotoccur.(2)(1)FSAR,Section3.2.2(2)SafetyEvaluation forR.E.GinnaTransition to14x14Optimized FuelAssemblies, Westinghouse ElectricCorporation, November1983.2.1-3ftleJ'mendment No.March30,1976PROPOSED C~4Attachment BInpreparation oftheproposedTechnical Specification relatedtotheuseofWestinghouse Optimized FuelasareloadfuelforGinna,whichwassubmitted onDecember20,1983,itwasintendedthattheinformation presented inTechnical Specification page2.1-3bedeleted.Thisinformation, theidentification ofnuclearhotchannelfactorswhichformedthebasisfortheprevioussafetylimitcurves,wasnolongercorrectandthecorrectbasiswasidentified ontheproposedpagechanges.Weunderstand thatbecausethisportionofthechangewasnotexplicitly identified inoursubmittal, theNRCdidnotapprovethischangeinitsissuanceofAmendment No.61datedMay1,1984.Theproposedchangeremediesthisinconsistency bydeletingtheincorrect information.

Inaddition, foradditional clarifi-cation,arevisedreference totheoptimized fuelanalysis, isprovided.

Theproposedchangemerelycorrectsanadministrative inconsistency inthebasis.Itdoesnotreviseanyexistinglimitsbutisbasedonpreviously approvedanalyses.,

I'IIhJh444hlI'4lL C~1f.IbAIII1t Attachment CInaccordance with10CFR50.91,thischangetotheTechnical Specifications hasbeenevaluated againstthreecriteriatodetermine iftheoperation ofthefacilityinaccordance withtheproposedamendment would:1.involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated; or2.createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated; or3.involveasignificant reduction inamarginofsafety.Asoutlinedbelow,Rochester GasandElectricsubmitsthattheissuesassociated withthisamendment requestareoutsidethecriteriaof10CFR50.91,andtherefore, anosignificant hazardsfindingiswarranted.

Thechangesarealladministrative innature.Amendment No.61approveduseofWestinghouse'ptimized fuelbasedonthe,analysisandproposedTechnical'pecifications whichweresub-"mitted.Weunderstand that'ecause thisportion:ofthe'hange was'otexplicitly identified inoursubmittal, theNRCdidnotapprovethischangeinits'issuance ofAmendment No.61datedMay1,1984.Theproposedchangeremediesthisinconsistency bydeletingtheincorrect information.

Inaddition, foradditional clarifi-cation,arevisedreference totheoptimized fuelanalysis, isprovided.

Theproposedchangemerelycorrectsanadministrative inconsistency inthebasis.Itdoesnotreviseanyexistinglimitsbutisbasedonpreviously approvedanalyses.

Theproposedchangesareconformed totheCommission's example(i)ofchangesthatdonotinvolveasignificant hazardsconsideration.

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