ML16320A597

Grand Gulf Nuclear Station, Unit 1 - Supplemental Report of 10CFR50.59 Evaluations - July 1, 2012 Through June 30, 2014

ML16320A597
Person / Time
Site:	Grand Gulf
Issue date:	11/15/2016
From:	Nadeau J J Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2016/00060
Download: ML16320A597 (4)

Text

• '"":PEntergyGNRO-2016/00060 November15,2016U.S.NuclearRegulatory Commission Attn:DocumentControlDesk Washington,DC20555-0001 EntergyOperations, Inc.P.o.Box756PortGibson,Mississippi 39150JamesJ.NadeauManager,Regulatory Assurance GrandGulfNuclearStation601-437-2103

SUBJECT:

SupplementalReportof10CFR50.59 Evaluations-July1,2012 throughJune30,2014 GrandGulfNuclearStation,UnitNo.1 DocketNo.50-416LicenseNo.

NPF-29

REFERENCE:

1.LettertoNRC,GNRO-2014/00065, "Reportof10CFR50.59 Evaluations andCommitment ChangesJuly1,2012 throughJune30,2014,"dated September30,2014.

DearSirorMadam:

Inreviewof Reference1,itwasidentifiedthatcertain50.59 Evaluationswerenotincludedinthe Reference 1,Attachment1,1OCFR50.59 SummaryReport.In

response, EntergyOperations, Inc.(Entergy) issubmitting asupplement toReference 1,Attachment1.TheAttachmenttothisletter, Supplemental1OCFR50.59 SummaryReport,willreplace Attachment1,1OCFR50.59 SummaryReport,of Reference 1.Pursuantto10CFR50.59(d)(2),

EntergyOperations, Inc.herebysubmitsasupplemental summaryof50.59EvaluationsfortheperiodofJuly1,2012 throughJune30,2014inthisletter.The AttachmenttothislettercontainstheSupplemental1OCFR50.59 SummaryReport.Thisletterdoesnotcontainanynew commitments.Ifyouhaveany questions orrequireadditional information, pleasecontactJamesNadeauat601-437-2103.

JJN/tmm GNRO2016-00060Page2of2

Attachment:

Supplemental1OCFR50.59 SummaryReportcc:NRCSeniorResident InspectorGrandGulf NuclearStationPortGibson,MS39150 U.S.NuclearRegulatory CommissionATTN:KrissM.Kennedy(w/2)

RegionAdministrator,RegionIV1600EastLamar BoulevardArlington,TX76011-4511U.S.NuclearRegulatory CommissionATTN:JimKim, NRR/DORL(w/2)MailStopOWFN8B1Rockville,MD 20852-2738 Attachment toGNRO2016-00060 Supplemental1OCFR50.59 SummaryReport GNRO-2016/00060Page1of1GrandGulf NuclearStationSupplemental 10CFR50.59 SummaryReportInitiating Document50.59SummaryEC38371,LBDCR2012-0034 EngineeringChangeEC-38371,"Cycle19 EPUCOLR."EC38230EngineeringChangeEC-38230,"EC38230as modifiedbyEC38798."EC38885EngineeringChangeEC-38885,"The LossofCoolantAccident, MainSteamLineBreak OutsideContainment, andControlRodDropAccidentdoseanalysesapplythealternative sourcetermfrom10CFR50.67todetermine theoffsiteandcontrolroomdosesassociated withthesedesignbasis accidents.Thesedoseanalysesarerevisedto reflectimplementation oftheExtendedPower Uprate."EC41518EngineeringChangeEC-41518, "NewStrategyforProtectingPMPExternalDoors1X701D308, 1X701D312,1X701D309,1X701D310,1Y401M110, 2Y402M110, 2Y402M111andSZ100C313From PMPHazard."EC43421EngineeringChangeEC-43421, "Evaluation ofESFSwitchgearRoom1A309 Temperature withroomcooler1T46B003A outofservice."

EC43958EngineeringChangeEC-43958, "Evaluation ofESFSwitchgearRoom1A308 Temperature withroomcooler1T46B003B outofservice."

EC44293EngineeringChangeEC-44293, "Evaluation toallowESFRoomCoolers1T46B001Band1T46B002Btobe outofservice(at different times)perTRM6.7.1."EC48003EngineeringChangeEC-48003, "Evaluation toallowESFRoomCooler1T46B003Atobe outofserviceperTRM LCO6.7.1ActionC3."EC48407EngineeringChangeEC-48407, "Evaluation toallowESFRoomCooler1 T46B002AtobeoutofserviceperTRM LCO6.7.1ActionC3."EC49291,LBDCR2014-004 EngineeringChangeEC-49291,"Cycle20 COLR."EC49891EngineeringChangeEC-49891,"Thischangeisto substitute Betacalibration unitstomanuallyperformtheautomatic functionoftheturbinefirststagepressure transmitters."

EC42886EngineeringChangeEC-42886, "Evaluation ofESFSwitchgearRoom1A219 Temperature withroomcooler1T46B002A outofservice."