ML12018A147: Difference between revisions
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{{#Wiki_filter:TMI-12-001January17.2012U.S.NuclearRegulatoryCommissionATIN:DocumentControlDeskWashington.DC20555-0001ThreeMileIslandNuclearStation,Unit1RenewedFacilityOperatingLicenseNo.DPR-50NRCDocketNo.50-289Subject:ThreeMileIsland,Unit1"CorrectionofSteamGeneratorTubeGapSize"Reference:LetterfromP.Bamford(U.S.NuclearRegulatoryCommission)toM.J.Pacilio(ExelonGenerationCompany,LLC),'ThreeMileIslandNuclearStation,Unit1SummaryofconferencecallswithExelonGenerationCompany,LLCtodiscuss2011SteamGeneratorTubeInspections(TACNO.ME7229)"datedDecember28,2011ExelonGenerationCompany,LLC(Exelon)personnelhaveidentifiedthatthereferencedDecember28,2011,letter,'ThreeMileIslandNuclearStation,Unit1-SummaryofconferencecallswithExelonGenerationCompany,LLCtodiscuss2011SteamGeneratorTubeInspections(TACNO.ME7229)"incorrectlydocumentedthegapbetweenSteamGenerator(SG)tubesandtheconferencecalldates.Thefirstsentenceofthefirstparagraphinthereferencedletterstated:"OnNovember3,November7,andNovember11,2011,theU.S.NuclearRegulatoryCommission(NRC)staffparticipatedinconferencecallswithExelonGenerationCompany,LLCpersonneltodiscussthesteamgeneratorinspectionactivitiestakingplaceatThreeMileIsland,Unit1duringthe2011refuelingoutage."Thisstatementshouldhaveread:"OnNovember3,November7,andNovember9,2011,theU.S.NuclearRegulatoryCommission(NRC)staffparticipatedinconferencecallswithExelonGenerationCompany,LLCpersonneltodiscussthesteamgeneratorinspectionactivitiestakingplaceatThreeMileIsland,Unit1duringthe2011refuelingoutage."Inaddition,thefinalbulletonpage3oftheenclosuretothereferencedletterstated:"Thelicenseealsoindicatedthatthetubesareincompressionduringoperations(hotconditions)andthatthegapbetweenthetubesis1/8inches."Thisstatementshouldhaveread:"Thelicenseealsoindicatedthatthetubesareincompressionduringoperations(hotconditions)andthatthegapbetweenthetubesis1/4inches." | |||
U.S.NuclearRegulatoryCommissionJanuary17,2012Page2TheerrorsindatesandgapdistancebetweenSGtubesdocumentedinthereferencedDecember28,2011,letterdonotaffecttheperformanceofanyequipment,andhavenoeffectonthehealthandsafetyofthepublic.TheerrorswerediscussedwiththeNRCNRRProjectManageronJanuary5,2012andJanuary12,2012.Asaresultofthosediscussions,itwasdeterminedthatExelonwouldwriteafollow-upletterofclarificationtocorrecttheinformationonthedocket.Shouldyouhaveanyquestionsconcerningthisletter,pleasecontactMs.WendyCroftat(610)765-5726.Respectfully,MichaelD.Director-AffairsExelonGenerationCompany,LLCcc:USNRCRegionI,RegionalAdministratorUSNRCProjectManager,TMI,Unit1USNRCSeniorResidentInspector,TMI,Unit1 | |||
}} | }} | ||
Revision as of 08:31, 2 April 2018
| ML12018A147 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 01/17/2012 |
| From: | Jesse M D Exelon Nuclear, Exelon Generation Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| TMI-12-001, TAC ME7229 | |
| Download: ML12018A147 (2) | |
Text
TMI-12-001January17.2012U.S.NuclearRegulatoryCommissionATIN:DocumentControlDeskWashington.DC20555-0001ThreeMileIslandNuclearStation,Unit1RenewedFacilityOperatingLicenseNo.DPR-50NRCDocketNo.50-289Subject:ThreeMileIsland,Unit1"CorrectionofSteamGeneratorTubeGapSize"Reference:LetterfromP.Bamford(U.S.NuclearRegulatoryCommission)toM.J.Pacilio(ExelonGenerationCompany,LLC),'ThreeMileIslandNuclearStation,Unit1SummaryofconferencecallswithExelonGenerationCompany,LLCtodiscuss2011SteamGeneratorTubeInspections(TACNO.ME7229)"datedDecember28,2011ExelonGenerationCompany,LLC(Exelon)personnelhaveidentifiedthatthereferencedDecember28,2011,letter,'ThreeMileIslandNuclearStation,Unit1-SummaryofconferencecallswithExelonGenerationCompany,LLCtodiscuss2011SteamGeneratorTubeInspections(TACNO.ME7229)"incorrectlydocumentedthegapbetweenSteamGenerator(SG)tubesandtheconferencecalldates.Thefirstsentenceofthefirstparagraphinthereferencedletterstated:"OnNovember3,November7,andNovember11,2011,theU.S.NuclearRegulatoryCommission(NRC)staffparticipatedinconferencecallswithExelonGenerationCompany,LLCpersonneltodiscussthesteamgeneratorinspectionactivitiestakingplaceatThreeMileIsland,Unit1duringthe2011refuelingoutage."Thisstatementshouldhaveread:"OnNovember3,November7,andNovember9,2011,theU.S.NuclearRegulatoryCommission(NRC)staffparticipatedinconferencecallswithExelonGenerationCompany,LLCpersonneltodiscussthesteamgeneratorinspectionactivitiestakingplaceatThreeMileIsland,Unit1duringthe2011refuelingoutage."Inaddition,thefinalbulletonpage3oftheenclosuretothereferencedletterstated:"Thelicenseealsoindicatedthatthetubesareincompressionduringoperations(hotconditions)andthatthegapbetweenthetubesis1/8inches."Thisstatementshouldhaveread:"Thelicenseealsoindicatedthatthetubesareincompressionduringoperations(hotconditions)andthatthegapbetweenthetubesis1/4inches."
U.S.NuclearRegulatoryCommissionJanuary17,2012Page2TheerrorsindatesandgapdistancebetweenSGtubesdocumentedinthereferencedDecember28,2011,letterdonotaffecttheperformanceofanyequipment,andhavenoeffectonthehealthandsafetyofthepublic.TheerrorswerediscussedwiththeNRCNRRProjectManageronJanuary5,2012andJanuary12,2012.Asaresultofthosediscussions,itwasdeterminedthatExelonwouldwriteafollow-upletterofclarificationtocorrecttheinformationonthedocket.Shouldyouhaveanyquestionsconcerningthisletter,pleasecontactMs.WendyCroftat(610)765-5726.Respectfully,MichaelD.Director-AffairsExelonGenerationCompany,LLCcc:USNRCRegionI,RegionalAdministratorUSNRCProjectManager,TMI,Unit1USNRCSeniorResidentInspector,TMI,Unit1