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#REDIRECT [[GNRO-2016/00008, Sixth Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051)]]
| number = ML16056A627
| issue date = 02/25/2016
| title = Grand Gulf, Unit 1 - Sixth Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051)
| author name = Mulligan K J
| author affiliation = Entergy Operations, Inc
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000416
| license number = NPF-029
| contact person =
| case reference number = EA-12-051, GNRO-2016/00008
| document type = Letter, Status Report
| page count = 9
| project =
| stage = Other
}}
 
=Text=
{{#Wiki_filter:*GNRO-2016/00008February25,2016U.S.NuclearRegulatoryCommissionATTN:DocumentControlDeskWashington,DC20555-0001EntergyOperations,Inc.P.O.Box756PortGibson,MS39150KevinJ.MulliganSiteVicePresidentGrandGulfNuclearStationTel.(601)437-7500
 
==SUBJECT:==
Entergy'sSixthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicenseswithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051)GrandGulfNuclearStation,Unit1DocketNo.50-416LicenseNo.NPF-29
 
==REFERENCES:==
1.NRCOrderNumberEA-12-051,OrdertoModifyLicenseswithRegardtoReliableSpentFuelPool(SFP)Instrumentation,datedMarch12,2012(ML12054A682)2.EntergyLettertoNRC,OverallIntegratedPlaninResponsetoMarch12,2012,CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary26,20132013/00016,ML13064A417)3.EntergyLettertoNRC,Entergy'sFirstSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20132013/00061)4.EntergyLettertoNRC,Entergy'sSecondSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary28,20142014/00013)5.EntergyLettertoNRC,Entergy'sThirdSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust27,20142014/00055)
GNRO-2016/00008Page2of36.EntergyLettertoNRC,Entergy'sFourthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary18,20152015/00005)7.EntergyLettertoNRC,Entergy'sFifthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20152015/00050)
 
==DearSirorMadam:==
OnMarch12,2012,theU.S.NuclearRegulatoryCommission(NRC)issuedanorder(Reference1)toEntergyOperations,Inc.(Entergy).Reference1wasimmediatelyeffectiveanddirectsEntergytoinstallreliablespentfuelpoollevelinstrumentation.Reference1requiressubmissionofastatusreportatsix-monthintervalsfollowingsubmittaloftheoverallintegratedplan(Reference2).Thepurposeofthisletteristoprovidethesixthsix-monthstatusreportpursuanttoSectionIV,ConditionC.2,ofReference1,thatdelineatesprogressmadeinimplementingtherequirementsofReference1.Theattachedreportprovidesanupdateofmilestoneaccomplishmentssincethelaststatusreport,includinganychangestothecompliancemethod,schedule,orneedforreliefandthebasis,ifany.Thislettercontainsnonewregulatorycommitments.Shouldyouhaveanyquestionsregardingthissubmittal,pleasecontactMr.JamesJ.Nadeau,RegulatoryAssuranceManager,at(601)437-2103.Ideclareunderpenaltyofperjurythattheforegoingistrueandcorrect;executedonFebruary25,2016.Sincerely,KJM/sas........_----
 
==Attachment:==
GrandGulfNuclearStation'sSixthSixMonthStatusReportfortheImplementationofOrderEA-12-051,OrderModifyingLicenseswithRegardtoRequirementsforReliableSpentFuelPoolInstrumentation GNRO-2016/00008Page3of3cc:U.S.NuclearRegulatoryCommissionATTN:Mr.JimKim,NRR/DORL(w/2)MailStopOWFN8B1Rockville,MD20852-2738U.S.NuclearRegulatoryCommissionATIN:Mr.MarcDapas(w/2)RegionalAdministrator,RegionIV1600EastLamarBoulevardArlington,TX76011-4511.Mr.B.J.SmithDirector,DivisionofRadiologicalHealthMississippiStateDepartmentofHealthDivisionofRadiologicalHealth3150LawsonStreetJackson,MS39213NRCSeniorResidentInspectorGrandGulfNuclearStationPortGibson,MS39150 AttachmenttoGNRO-2016/00008GrandGulfNuclearStation'sSixthSixMonthStatusReportfortheImplementationofOrderEA-12-051,OrderModifyingLicenseswithRegardtoRequirementsforReliableSpentFuelPoolInstrumentation GNRO-2016/00008Page1of51IntroductionGrandGulfNuclearStation(GGNS)developedanOverallIntegratedPlan(OIP-Reference1inSection8),documentingtherequirementstoinstallreliablespentfuelpoollevelinstrumentation(SFPI),inresponsetoReference2ofsection8.Thisattachmentprovidesanupdateofmilestoneaccomplishmentssincethelaststatusreport,includinganychangestothecompliancemethod,schedule,orneedforrelief/relaxationandthebasis,ifany.2MilestoneAccomplishmentsThefollowingmilestone(s)havebeencompletedsinceJuly31,2015andarecurrentasofJanuary31,2016.*InstallreliableSFPI3MilestoneScheduleStatusThefollowingprovidesanupdatetothescheduleidentifiedinSection2oftheOverallIntegratedPlan.Itprovidestheactivitystatusofeachitem,andwhethertheexpectedcompletiondatehaschanged.Thedatesareplanningdatessubjecttochangeasdesignandimplementationdetailsaredeveloped.TargetRevisedActivityTargetMilestoneCompletionStatusCompletionDateDateSpring2016InstallreliableSFPIRefuelingCompletedN/AOutageRespondtoNRCRAls(receivedJulyAugust29,SubmittedAugust29,N/A30,2013)20132013RespondtoISERAls(receivedSeptember30,SubmittedFebruary27,N/ANovember25,2013)201520154ChangestoComplianceMethodTherearenoadditionalchangestothecompliancemethod.5NeedforRelief/RelaxationandBasisfortheRelief/RelaxationThereisnoneedforRelief/Relaxationatthistime.
GNRO-2016/00008Page2of56OpenItemsfromtheOverallIntegratedPlan,InterimStaffEvaluation,andOnsiteAuditGGNShasreceivedanInterimStaffEvaluation(ISE)thatincludes19RAls.FouradditionalRAlswerereceivedduringtheonsiteaudit.ThefollowingtableprovidesastatusoftheseRAls.ResponsestoanyopenRAlsareprovidedinSection9.RAI#ResponseStatus1ClosedviaAuditReport(Reference11)2ClosedviaAuditReport(Reference-11)3ClosedviaAuditReport(Reference11)4ClosedviaAuditReport(Reference11)5ClosedviaAuditReport(Reference11)6ClosedviaAuditReport(Reference11)7ClosedviaAuditReport(Reference11)8ClosedviaAuditReport(Reference11)9ClosedviaAuditReport(Reference11)10ClosedviaAuditReport(Reference11)11ClosedviaAuditReport(Reference11)12ClosedviaAuditReport(Reference11)13ClosedviaAuditReport(Reference11)14ClosedviaAuditReport(Reference11)15ClosedviaAuditReport(Reference11)16ClosedviaAuditReport(Reference11)17ClosedviaAuditReport(Reference11)18ClosedviaAuditReport(Reference11)19ClosedviaAuditReport(Reference11)20(new)ClosedviaAuditReport(Reference11)21(new)ClosedviaAuditReport(Reference11)22(new)ClosedviaAuditReport(Reference11)23(new)InProgress(SeeSection9)
GNRO-2016/00008Page3of57PotentialInterimEvaluationImpactsTherearenopotentialimpactstotheInterimStaffEvaluationidentifiedatthistime.8ReferencesThefollowingreferencessupporttheupdatestotheOverallIntegratedPlandescribedinthisAttachment.1."OverallIntegratedPlaninResponsetoMarch12,2012,CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumber051),"datedFebruary26,2013(GNRO-2013/00016,ML13059A316).2.NRCOrderNumberEA-12-051,"OrderModifyingLicenseswithRegardtoReliableSpentFuelPoolInstrumentation,"datedMarch12,2012(ML12054A679).3."GrandGulfNuclearStation,Unit1-InterimStaffEvaluationandRequestforAdditionalInformationRegardingOverallIntegratedPlanforReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051)(TACNO.MF0955),"datedNovember25,2013(ML133168986).4."SummaryoftheNovember26,2013,PublicMeetingtoDiscussIndustryResponsestoStaffInterimEvaluationsforSpentFuelPoolInstrumentation,"datedDecember26,2013(ML133478030).5."RequestforAdditionalInformationRegardingOverallIntegratedPlanforReliableSpentFuelPoolInstrumentation(OrderEA-12-051),"datedJuly30,2013(GNRI-2013/00129).6.EntergyLettertoNRC,Entergy'sFirstSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20132013/00061).7.EntergyLettertoNRC,Entergy'sSecondSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary28,20142014/00013).8.EntergyLettertoNRC,Entergy'sThirdSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust27,20142014/00055).9.NEI12-02,IndustryGuidanceforCompliancewithNRCOrderEA-12-051,"ToModifyLicenseswithRegardtoReliableSpentFuelPoolInstrumentation,"Revision1,datedAugust2012(ML12240A307).
GNRO-2016/00008Page4of510.EntergyLettertoNRC,Entergy'sFourthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary18,20152015/00005).11."GrandGulfNuclearStation,Unit1-ReportfortheOnsiteAuditRegardingImplementationofMitigatingStrategiesandReliableSpentFuelPoolInstrumentationRelatedtoOrdersEA-12-049ANDEA-12-051(TACNOS,MF0954ANDMF0955),"datedNovember24,2015(ML15308A298).
GNRO-2016/00008Page5of59ResponsestoOpenItemsRAI#23Duringtheonsiteaudit,theNRCstaffnotedthatthemetalconduitsforthetwoSFPlevelchannelswereroutedwithin3feetofeachother(andsometimeslessthanthat)onthenorthandwestwallsoftheSFPoperatingfloorintheauxiliarybuilding.ThisdoesnotappeartomeettherequirementsofOrderEA-12-051that:"Thespentfuelpoollevelinstrumentchannelsshallbearrangedinamannerthatprovidesreasonableprotectionofthelevelindicationfunctionagainstmissilesthatmayresultfromdamagetothestructureoverthespentfuelpool.Thisprotectionmaybeprovidedbylocatingtheprimaryinstrumentchannelandfixedportionsofthebackupinstrumentchannel,ifapplicable,tomaintaininstrumentchannelseparationwithinthespentfuelpoolarea,andtoutilizeinherentshieldingfrommissilesprovidedbyexistingrecessesandcornersinthespentfuelpoolstructure.IIAresponsetothisopenitemhasbeenprovidedinePortalalongwitharesponsetotwoadditionalrequestsforinformationconcerningthesubmittedePortalresponse.
*GNRO-2016/00008February25,2016U.S.NuclearRegulatoryCommissionATTN:DocumentControlDeskWashington,DC20555-0001EntergyOperations,Inc.P.O.Box756PortGibson,MS39150KevinJ.MulliganSiteVicePresidentGrandGulfNuclearStationTel.(601)437-7500
 
==SUBJECT:==
Entergy'sSixthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicenseswithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051)GrandGulfNuclearStation,Unit1DocketNo.50-416LicenseNo.NPF-29
 
==REFERENCES:==
1.NRCOrderNumberEA-12-051,OrdertoModifyLicenseswithRegardtoReliableSpentFuelPool(SFP)Instrumentation,datedMarch12,2012(ML12054A682)2.EntergyLettertoNRC,OverallIntegratedPlaninResponsetoMarch12,2012,CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary26,20132013/00016,ML13064A417)3.EntergyLettertoNRC,Entergy'sFirstSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20132013/00061)4.EntergyLettertoNRC,Entergy'sSecondSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary28,20142014/00013)5.EntergyLettertoNRC,Entergy'sThirdSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust27,20142014/00055)
GNRO-2016/00008Page2of36.EntergyLettertoNRC,Entergy'sFourthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary18,20152015/00005)7.EntergyLettertoNRC,Entergy'sFifthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20152015/00050)
 
==DearSirorMadam:==
OnMarch12,2012,theU.S.NuclearRegulatoryCommission(NRC)issuedanorder(Reference1)toEntergyOperations,Inc.(Entergy).Reference1wasimmediatelyeffectiveanddirectsEntergytoinstallreliablespentfuelpoollevelinstrumentation.Reference1requiressubmissionofastatusreportatsix-monthintervalsfollowingsubmittaloftheoverallintegratedplan(Reference2).Thepurposeofthisletteristoprovidethesixthsix-monthstatusreportpursuanttoSectionIV,ConditionC.2,ofReference1,thatdelineatesprogressmadeinimplementingtherequirementsofReference1.Theattachedreportprovidesanupdateofmilestoneaccomplishmentssincethelaststatusreport,includinganychangestothecompliancemethod,schedule,orneedforreliefandthebasis,ifany.Thislettercontainsnonewregulatorycommitments.Shouldyouhaveanyquestionsregardingthissubmittal,pleasecontactMr.JamesJ.Nadeau,RegulatoryAssuranceManager,at(601)437-2103.Ideclareunderpenaltyofperjurythattheforegoingistrueandcorrect;executedonFebruary25,2016.Sincerely,KJM/sas........_----
 
==Attachment:==
GrandGulfNuclearStation'sSixthSixMonthStatusReportfortheImplementationofOrderEA-12-051,OrderModifyingLicenseswithRegardtoRequirementsforReliableSpentFuelPoolInstrumentation GNRO-2016/00008Page3of3cc:U.S.NuclearRegulatoryCommissionATTN:Mr.JimKim,NRR/DORL(w/2)MailStopOWFN8B1Rockville,MD20852-2738U.S.NuclearRegulatoryCommissionATIN:Mr.MarcDapas(w/2)RegionalAdministrator,RegionIV1600EastLamarBoulevardArlington,TX76011-4511.Mr.B.J.SmithDirector,DivisionofRadiologicalHealthMississippiStateDepartmentofHealthDivisionofRadiologicalHealth3150LawsonStreetJackson,MS39213NRCSeniorResidentInspectorGrandGulfNuclearStationPortGibson,MS39150 AttachmenttoGNRO-2016/00008GrandGulfNuclearStation'sSixthSixMonthStatusReportfortheImplementationofOrderEA-12-051,OrderModifyingLicenseswithRegardtoRequirementsforReliableSpentFuelPoolInstrumentation GNRO-2016/00008Page1of51IntroductionGrandGulfNuclearStation(GGNS)developedanOverallIntegratedPlan(OIP-Reference1inSection8),documentingtherequirementstoinstallreliablespentfuelpoollevelinstrumentation(SFPI),inresponsetoReference2ofsection8.Thisattachmentprovidesanupdateofmilestoneaccomplishmentssincethelaststatusreport,includinganychangestothecompliancemethod,schedule,orneedforrelief/relaxationandthebasis,ifany.2MilestoneAccomplishmentsThefollowingmilestone(s)havebeencompletedsinceJuly31,2015andarecurrentasofJanuary31,2016.*InstallreliableSFPI3MilestoneScheduleStatusThefollowingprovidesanupdatetothescheduleidentifiedinSection2oftheOverallIntegratedPlan.Itprovidestheactivitystatusofeachitem,andwhethertheexpectedcompletiondatehaschanged.Thedatesareplanningdatessubjecttochangeasdesignandimplementationdetailsaredeveloped.TargetRevisedActivityTargetMilestoneCompletionStatusCompletionDateDateSpring2016InstallreliableSFPIRefuelingCompletedN/AOutageRespondtoNRCRAls(receivedJulyAugust29,SubmittedAugust29,N/A30,2013)20132013RespondtoISERAls(receivedSeptember30,SubmittedFebruary27,N/ANovember25,2013)201520154ChangestoComplianceMethodTherearenoadditionalchangestothecompliancemethod.5NeedforRelief/RelaxationandBasisfortheRelief/RelaxationThereisnoneedforRelief/Relaxationatthistime.
GNRO-2016/00008Page2of56OpenItemsfromtheOverallIntegratedPlan,InterimStaffEvaluation,andOnsiteAuditGGNShasreceivedanInterimStaffEvaluation(ISE)thatincludes19RAls.FouradditionalRAlswerereceivedduringtheonsiteaudit.ThefollowingtableprovidesastatusoftheseRAls.ResponsestoanyopenRAlsareprovidedinSection9.RAI#ResponseStatus1ClosedviaAuditReport(Reference11)2ClosedviaAuditReport(Reference-11)3ClosedviaAuditReport(Reference11)4ClosedviaAuditReport(Reference11)5ClosedviaAuditReport(Reference11)6ClosedviaAuditReport(Reference11)7ClosedviaAuditReport(Reference11)8ClosedviaAuditReport(Reference11)9ClosedviaAuditReport(Reference11)10ClosedviaAuditReport(Reference11)11ClosedviaAuditReport(Reference11)12ClosedviaAuditReport(Reference11)13ClosedviaAuditReport(Reference11)14ClosedviaAuditReport(Reference11)15ClosedviaAuditReport(Reference11)16ClosedviaAuditReport(Reference11)17ClosedviaAuditReport(Reference11)18ClosedviaAuditReport(Reference11)19ClosedviaAuditReport(Reference11)20(new)ClosedviaAuditReport(Reference11)21(new)ClosedviaAuditReport(Reference11)22(new)ClosedviaAuditReport(Reference11)23(new)InProgress(SeeSection9)
GNRO-2016/00008Page3of57PotentialInterimEvaluationImpactsTherearenopotentialimpactstotheInterimStaffEvaluationidentifiedatthistime.8ReferencesThefollowingreferencessupporttheupdatestotheOverallIntegratedPlandescribedinthisAttachment.1."OverallIntegratedPlaninResponsetoMarch12,2012,CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumber051),"datedFebruary26,2013(GNRO-2013/00016,ML13059A316).2.NRCOrderNumberEA-12-051,"OrderModifyingLicenseswithRegardtoReliableSpentFuelPoolInstrumentation,"datedMarch12,2012(ML12054A679).3."GrandGulfNuclearStation,Unit1-InterimStaffEvaluationandRequestforAdditionalInformationRegardingOverallIntegratedPlanforReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051)(TACNO.MF0955),"datedNovember25,2013(ML133168986).4."SummaryoftheNovember26,2013,PublicMeetingtoDiscussIndustryResponsestoStaffInterimEvaluationsforSpentFuelPoolInstrumentation,"datedDecember26,2013(ML133478030).5."RequestforAdditionalInformationRegardingOverallIntegratedPlanforReliableSpentFuelPoolInstrumentation(OrderEA-12-051),"datedJuly30,2013(GNRI-2013/00129).6.EntergyLettertoNRC,Entergy'sFirstSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust28,20132013/00061).7.EntergyLettertoNRC,Entergy'sSecondSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary28,20142014/00013).8.EntergyLettertoNRC,Entergy'sThirdSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedAugust27,20142014/00055).9.NEI12-02,IndustryGuidanceforCompliancewithNRCOrderEA-12-051,"ToModifyLicenseswithRegardtoReliableSpentFuelPoolInstrumentation,"Revision1,datedAugust2012(ML12240A307).
GNRO-2016/00008Page4of510.EntergyLettertoNRC,Entergy'sFourthSix-MonthStatusReportinResponsetoMarch12,2012CommissionOrderModifyingLicensewithRegardtoReliableSpentFuelPoolInstrumentation(OrderNumberEA-12-051),datedFebruary18,20152015/00005).11."GrandGulfNuclearStation,Unit1-ReportfortheOnsiteAuditRegardingImplementationofMitigatingStrategiesandReliableSpentFuelPoolInstrumentationRelatedtoOrdersEA-12-049ANDEA-12-051(TACNOS,MF0954ANDMF0955),"datedNovember24,2015(ML15308A298).
GNRO-2016/00008Page5of59ResponsestoOpenItemsRAI#23Duringtheonsiteaudit,theNRCstaffnotedthatthemetalconduitsforthetwoSFPlevelchannelswereroutedwithin3feetofeachother(andsometimeslessthanthat)onthenorthandwestwallsoftheSFPoperatingfloorintheauxiliarybuilding.ThisdoesnotappeartomeettherequirementsofOrderEA-12-051that:"Thespentfuelpoollevelinstrumentchannelsshallbearrangedinamannerthatprovidesreasonableprotectionofthelevelindicationfunctionagainstmissilesthatmayresultfromdamagetothestructureoverthespentfuelpool.Thisprotectionmaybeprovidedbylocatingtheprimaryinstrumentchannelandfixedportionsofthebackupinstrumentchannel,ifapplicable,tomaintaininstrumentchannelseparationwithinthespentfuelpoolarea,andtoutilizeinherentshieldingfrommissilesprovidedbyexistingrecessesandcornersinthespentfuelpoolstructure.IIAresponsetothisopenitemhasbeenprovidedinePortalalongwitharesponsetotwoadditionalrequestsforinformationconcerningthesubmittedePortalresponse.}}

Latest revision as of 01:43, 7 April 2019