ML16307A136

Correction to Safety Analysis Report for Constant Pressure Power Uprate

ML16307A136
Person / Time
Site:	Grand Gulf
Issue date:	11/02/2016
From:	Fallacara V Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2016/00050
Download: ML16307A136 (3)

Text

GNRO-2016/00050 November2,2016 U.S.Nuclear Regulatory Commission Attn: DocumentControlDesk Washington,DC20555-0001 Entergy Operations, Inc.P.O.Box756PortGibson,MS39150 Vincent FallacaraVicePresident, OperationsGrandGulfNuclearStationTel.(601)437-7500

SUBJECT:

Correction to Safety AnalysisReportforGrand Gulf Nuclear Station ConstantPressurePowerUprate Grand Gulf NuclearStation,Unit1DocketNo.50-416LicenseNo.NPF-29

REFERENCES:

1.GEHitachi Nuclear Energy,"SafetyAnalysisReportforGrandGulf Nuclear Station constant PressurePowerUprate," NEDC-33477P, datedMarch20122.GEHLetter,"Correction to NEDC-33477P,SafetyAnalysisReportfor Grand Gulf Nuclear Station Constant PressurePowerUprate,"datedJune 13,2016

DearSirorMadam:

GE-Hitachi Nuclear Energy AmericasLLC(GEH)developed and implementedExtendedPowerUprate(EPU)atGrand Gulf NuclearStation(GGNS).The Constant PressurePowerUprate(CPPU)wasapprovedbythe Nuclear Regulatory Commission(NRC)intheLicensingTopicalReport(LTR)

NEDC-33004P-A,Revision4,"Constant PressurePowerUprate,"referredtoastheCLTR.TheCLTRwasapprovedforBoiling Water Reactor(BWR)plantscontainingGeneralElectric(GE)fueltypesandGEH accidentanalysismethods.Section2.2.2.3of Reference 1,"Reactor Pressure Vessel StructuralEvaluation,"containsareviewofall Reactor PressureVessel(RPV) componentshavingaCLTP 40-year CumulativeUsageFactor(CUF) greaterthan0.5.By Reference2,GEHmadeacorrectiontoSection2.2.2.3of Reference1,statingthatGGNSisaGE BWR/6-251-inchMarkIII containmentdesignwhichhasnoRPVstabilizer.TheGEH investigation demonstratedthatnoRPV stabilizerexistedinanyofthe dynamic Design Adequacy Evaluations (DAEs)performed forGrandGulf NuclearStationpriorto,andincluding, Reference1.TheRPV stabilizerisnotcreditedforRPV structural supportandisnot subjectedtofatiguecausedbyEPUloadings.GGNSwillremovetheRPV stabilizerfromtheEPUSafety Analysis Report.Thislettercontainsnonew Regulatory Commitments.Ifyouhaveany questionsorrequire additional information, please contactJamesNadeauat 601-437-2103.

GNRO-2016/00050Page2of3Ideclareunderpenaltyofperjurythatthe foregoingistrueandcorrect.Executedon November2,2016.cc:(SeeNextPage)

GNRO-20 16/00050Page3of3cc:U.S.Nuclear Regulatory CommissionATTN:Mr.JimKim, NRR/DORL (w/2)MailStop OWFN8B1Rockville,MD 20852-2738 U.S.Nuclear Regulatory CommissionATTN:Mr.KrissM.

Kennedy (w/2)Regional Administrator,RegionIV1600EastLamar BoulevardArlington,TX76011-4511Mr.B.J.Smith(w/2)Director,Divisionof Radiological HealthMississippiState DepartmentofHealthDivisionof Radiological Health3150LawsonStreetJackson,MS 39213 NRC Senior Resident InspectorGrandGulf Nuclear StationPortGibson,MS39150