ML20283A792

From kanterella
Jump to navigation Jump to search
Attachment 2: Responses to Requests for Additional Information Re HI-STORE Consolidated Interim Storage Facility
ML20283A792
Person / Time
Site: HI-STORE
Issue date: 10/09/2020
From:
Holtec
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML20283A789 List:
References
5025059
Download: ML20283A792 (32)
v • d • e


Text

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page1of32

LA4:ProvideajustificationwhyaTechnicalSpecificationlimitingconditionforoperation(LCO) fortransfercaskandcanistercontaminationlimitsduringtransportoperationswasnot includedintheapplication.

TheHISTORMUMAXTechnicalSpecificationsincludeLCO3.2.1fortransfercaskandcanister contaminationlimits,buttheproposedTechnicalSpecificationsfortheHISTORECISFdonot includeasimilarLCO.ThecanistersbeingsenttotheHISTORECISFaresurveyedfor contaminationoncethetransportationoverpackisopened,butnolimitshavebeenestablished toensuretheminimizationofthepotentialspreadofcontaminationtotheenvironmentduring subsequenttransportoperationstothestoragepad.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(g)and72.104.

HoltecResponse:

AnLCOhasbeenaddedtotheproposedtechnicalspecificationsandsupportingbaseschapter toaddresscanistercontaminationlimitsduringtransportoperations.AlthoughtheHISTORE facilityisastartclean,stayclean,facility,thisLCOjustprovidesadditionalassurancethatno unexpectedchangeshaveoccurredtothecanisterduringtransportation.NotethattheLCOis onlyaddedforthecanisters.TheHITRACCStransfercaskdoesnoteverenteracontaminated area(suchasaspentfuelpool),andsincethecanistersareconfirmedtobelowcontamination, nocontaminationoftheHITRACiscredible.

FQA1:ProvidedetailedfinancialstatementsforHoltecInternationalforthelastthree completeaccountingyears.Specifically,providebalancesheet,statementofincome(statement ofprofitorloss),andstatementofcashflow,andcertificationbyapublicaccountant.

Additionally,clarifysponsoringpartyandtheapplicantsrelianceonfundingforoperationsas being[]tiedtothesponsoringpartysagreementwiththeapplicant,asstatedinthe application;andprovidemoredetailastotheintentofproposedLicenseConditions17and18 usedtoaddressfinancialqualification,decommissioningfundingassurance,andotherlegal, financial,andliabilityqualificationsandrequirements.

Theprovisionsof10CFR72.22(e)statethattheapplicantmustshowthatiteitherpossesses thenecessaryfunds,orthattheapplicanthasreasonableassuranceofobtainingthenecessary funds;orthatbyacombinationofthetwo,theapplicantwillhavethenecessaryfundsto construct,operate,anddecommissionthefacility.Asdiscussedbelow,itisnotcleartostaff whethertheapplicantintendstodemonstrateitsfinancialqualificationsbasedona demonstrationthatitpossessessufficientassetsandfunds,orwhetheritwillshowreasonable assuranceofobtainingthosefundsthroughthereferencedservicecontractsand/oruser agreementswithitscustomers.

InSection1.0ofHoltecReportHI2177593,HISTORECISFFinancialAssuranceandProjectLife CycleCostEstimate,theapplicantstatesthatit[]iswellpositionedtoprovidethefinancial assurancefortheconstructionandoversightofPhase1oftheCISFfacilitytoinclude500HI

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page2of32

STORMUMAXcanistersforthestorageofSpentNuclearFuel(SNF)andGreaterthanClassC (GTCC)wastefromcommercialreactors.Ourcommitmentisbasedonthewillingnessand capabilityofHoltectofundtheconstructioneffortsoftheCISFestimatedtobeintherangeof

~$180million.Inproprietaryinformationprovidedintheapplication,theapplicantprovides netassetdataasofendofyear2016,earningsbeforeinterest,taxes,depreciation,and amortization(EBITDA)dataforfiscalyear2016,andprojectedcumulativeEBITDAdataforyears 2016through2020.However,thefinancialinformationprovidedintheapplicationdoesnot providesufficientdetailtoestablishwhetherthereportedearningsincludeanynonrecurring items,suchasextraordinarygainsorlosses,chargesfromdiscontinuedoperations,or accountingchanges.

Additionally,Section1.0,FinancialProfileofHoltecInternational,statesthat[]asamatter offinancialprudence,Holtecwillrequirethenecessaryuseragreementsinplace(fromthe USDOEand/orthenuclearplantowners)thatwilljustifytherequiredcapitalexpendituresby theCompany.Section2.1,AnnualOperatingCosts,statesthat[][a]llfinancial commitmentsrelatedtoannualoperationswillbetiedtothesponsoringpartysagreementwith Holtec(viz.,DOEsettlementagreement).Torecordthesecommitments,theapplicant proposesLicenseConditionsNo.17andNo.18,whichrefertoandconditionthelicenseto definitiveagreement[s]withprospectiveusers/payers,andservicecontractsandservice contractprovisionsbetweenitselfandcustomers.

Thisinformationisneededtodeterminecompliancewiththefinancialqualification requirementsof10CFR72.22(e).

HoltecResponse:

Therequestedfinancialdocumentshavebeenprovidedunderseparatecoverletter,Holtec Letter5025060,submittedthroughNRCdocumentcontrol.

FQA2:Provideadescriptionofonsiteandoffsiteinsurancecoverage.

Theapplicationdoesnotidentifyplansforobtainingonsiteoroffsitenuclearinsurance.While NRCregulationsdonotidentifyfinancialprotectionrequirementsforapplicantsforaspecific licenseunder10CFRPart72,suchinsuranceandindemnitycoverageisrequiredofNRCpower reactorlicenseestransitioningtodecommissioning.Moreover,theNRChaspreviously exerciseditsdiscretiononacasespecificbasistoconditiontheapprovalofalicenseforan awayfromreactorsitespentfuelstoragefacilityonprovisionofoffsiteandonsitefinancial protection.ThestaffnotesthatMaterialsLicenseNo.SNM2513,issuedtoPrivateFuelStorage, LLC,foranawayfromreactorindependentspentfuelstorageinstallation(ADAMSAccession No.ML060450438),includedLicenseCondition21.(4),addressingonsiteandoffsiteinsurance coverage.TheNRCstaffcouldnotfindadescriptionofonsiteandoffsiteinsurancecoveragein thelicenseapplication.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page3of32

Thisinformationisneededtodeterminecompliancewiththefinancialqualification requirementsof10CFR72.22(e).

HoltecResponse:

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

FQA3:ProvideadditionalclarificationregardingstatementsinSection2.2,Decommissioning FundingAssurance,ofHoltecReportHI2177593,HISTORECISFFinancialAssuranceand ProjectLifeCycleCostEstimate,regardingthemethodofdecommissioningfundingassurance.

Section2.2ofHoltecReportHI2177593,HISTORECISFFinancialAssuranceandProjectLife CycleCostEstimate,statesthat[t]hemethodoffinancialassuranceasspecifiedin10CFR 72.30(e)(3)willbemetbyHoltecInternational,and[a]decommissioningfundwillbe establishedbysettingaside$840perMTUstoredattheHISTOREfacility.Thesefunds,plus earningsonsuchfundscalculatedatnotgreaterthana3percentrealrateofreturnoverthe 40yearlicenselifeofthefacility,willcovertheestimatedcosttocompletedecommissioning.

NRCguidanceinNUREG1757,Volume3,ConsolidatedDecommissioningGuidance;Financial Assurance,Recordkeeping,andTimeliness,providesfurtherinformationabouttheuseof externalsinkingfundsfordecommissioningfundingassurance.Specifically,AppendixA,Section A.10,ExternalSinkingFundsindicatesthatuseofthismethod,[]allowsalicenseeto graduallyprepayfordecommissioningbycombiningtheuseofapartiallyfundedprepayment instrument(i.e.,atrustfund)withasuretybond,letterofcredit,orinsurancecoveringthe unfundedbalance.Asthelicenseegraduallyfundstheprepaymentinstrumentovertime,the licenseecanreducebyacorrespondingamountthecoverageprovidedbythesuretybond,letter ofcredit,orinsurance.

[]Licenseesthatrecover,eitherdirectlyorindirectly,theestimatedtotalcostof decommissioningthroughratesestablishedbycostofserviceorsimilarratemaking regulation,or(2)haveasourceofrevenuesforitsexternalsinkingfundthatisanon bypassablecharge...mayuseanexternalsinkingfundwithouthavingtocoupleitwithouta suretymethodorinsurance.

Aspresented,theapplicantdoesnotdescribehowthesinkingfundwillbecoupledwith anotherdecommissioningfundingmethod,nordoestheapplicantindicatewhetheritwill providefullfundingofthesinkingfundtoaddresstotaldecommissioningfunding

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page4of32

requirements.Further,theapplicantdoesnotjustifyhowitisalicenseethatfallsintothe categoryabovethatneednotcouplethesinkingfundwithanothermethod.Finally,the informationinSection2.2oftheHISTORECISFFinancialAssuranceandProjectLifeCycleCost Estimatestatesthatitwillrelyona[]3percentrealrateofreturnoverthe40yearlicense lifeofthefacilitytocovertheestimatedcosttocompletedecommissioning.Theapplication shouldjustifyhowHoltecqualifiesasalicenseethatdoesnotneedanothermethodof insurance,furtherjustifyhowHoltecqualifiestousearealrateofreturn,andfurtherjustify how3percentisappropriate.

Thisinformationisneededtodeterminecompliancewiththefinancialqualification requirementsof10CFR72.30(e).

HoltecResponse:

Thecompanyispositionedtobeabletouseanyofthethree(3)methods,suretybond,letterof creditorinsuranceforcouplingwiththeexternalsinkingfundtoprovidefortheneeded financialassurances.

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

RAI11:Revisethedefinitionofthecontrolledareaboundarytostatethatthecontrolaccessto thecontrolledareaisapplicabletotheentiredurationoftheHISTORECISFoperation.

ThedefinitionsinPageiioftheHISTORESARstatethatthe:ControlledAreameansthatarea immediatelysurroundingtheISFSIoverwhichtheHISTOREFacilityowner(Holtec)exercises authorityoveritsuseandwithinwhichallShortTermOperationsareperformed.This definitionisnotconsistentwith10CFR72.3,whichstates:Controlledareameansthatarea immediatelysurroundinganISFSIorMRSforwhichthelicenseeexercisesauthorityoveritsuse andwithinwhichISFSIorMRSoperationsareperformed.Inaccordancewiththeregulation, thecontrolledareaisapplicabletotheentireperiodofoperationoftheISFSI,ratherthanthe durationinwhichshorttermoperationsareperformed.

Thisinformationisneededtodeterminecompliancewith10CFR72.104and72.106.

HoltecResponse:

ThedefinitiononpageiioftheControlledArea,hasbeenupdatedinaccordancewiththe regulations.

RAI12:ReviseLicensingDrawingNo.10940(3sheets)toprovidecleardemarcationofthe controlledareaboundaryandthedistancefromtheISFSIpadtothecontrolledareaboundary.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page5of32

TheapplicantprovidedthelayoutoftheHISTORECISfacilityinDrawingNo.10940.However, thedrawingdoesnotincludespecificdemarcationofthecontrolledareaboundary.Although theapplicantstatesonTable1.0.1oftheSARthatthedistancefromthenearestloadedUMAX VVMtothecontrolledareaboundaryis400meters,thecontrolledareaboundaryisnotclearly markedonthedrawing.

Thisinformationisneededtodeterminecompliancewith10CFR72.104and72.106.

HoltecResponse:

Drawing10940hasbeenrevisedtoreflectthePhase1licensingcondition.Therevisionclearly labelstheControlledAreaBoundary,andtheProtectedArea.DistancesfromtheISFSItothe ControlledAreaBoundaryaredefined.TheclosesttheISFSIcomestotheControlledArea Boundaryisnominally1600feet.

RAI13:Provideadditionaldetailsaboutthemeasurestobeimplementedforcontrolling accesstotheareainsidethecontrolledareaboundaryoftheISFSI.

TheapplicantprovidedageneraldescriptionoftheISFSIinstallationinSection1.1oftheSAR.

However,theapplicationdoesnotstatewhatspecificphysicalmeasure(s)theapplicantwill implementtoeffectcontrolaccesstotheISFSIwhennecessary.

Thisinformationisneededtodeterminecompliancewith10CFR72.104and72.106.

HoltecResponse:

SARSection1.1hasbeenrevisedtoincludeageneraldescriptionofthespecificphysical securitymeasuresthatwillbeimplementedattheCISFacility.

RAI14:ProvidemanufacturingtolerancesforthedimensionsforallcomponentsoftheHI TRACCS.Page77oftheSARstates:TheversionoftheHISTORMUMAXstoragesystemused hereisslightlydifferentfromthatdescribedin[1.0.6][Note:Reference1.0.6USNRCDocket72 1040,FinalSafetyAnalysisReportonTheHISTORMUMAXCanisterStorageSystem,Holtec ReportNo.HI2115090,Revision3.SubmittedwithHoltecLetter5021032(ML16193A336),

datedJune30,3016].Sheets1to6ofLicensingDrawing10868oftheSARprovidedetailsof thedimensionsandbillofmaterialsfortheHITRACCStransfercask.However,thesedrawings donotincludemanufacturingtolerancesthatareimportanttoshieldinganalyses.Althoughthe applicantincludesnotesforallowablemanufacturingtolerancesinthedrawings,thestaffwas unabletoapplythesetolerancestoanyspecificitemsonthedrawings.Forexample,Sheet2of theDrawingindicatesthatthethicknessoftheconcretelayerofthetransfercaskis209/16 inches.Thenotesonthedrawingsheet,however,givefourchoicesfortolerances:(1)0.0for 0to2,(2)0.00for>2TO36,(3)0.000for>36to72,and0.0000for>72.Itisnotclear

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page6of32

whichoftheallowabletoleranceappliestotheconcretelayerofthetransfercask.The followingpictureisasnapshotofthetolerancenotationonsheet2ofLicensingDrawing10868.

Thestaffdoesnotunderstandeithernotationorhowtoapplythetolerancesinthe calculations.

Thisinformationisneededtodeterminecompliancewith10CFR72.104and72.106.

HoltecResponse:

Holtecunderstandstheconfusionthattheinformationshowninthetitleblock,specificallythe useofN/Aforvarioustoleranceranges,iscausinginreviewofthisandotherlicensing drawings.Thisnotationisarelicfromearlierdraftingprogramsandinternalprocedures,which didnotallowthisnotationtobecompletelyeliminatedfromeitherfabricationorlicensing drawings,butinsteadreplacedthestandardtoleranceswithN/Ainlicensingdrawings.This allowedonlysafetysignificanttolerancestobedisplayedonthelicensingdrawings,without imposingfurtherunnecessarygeneraltolerances.ThisnotationhasbeenremovedinRevision1 ofdrawing10868,asitismeaninglessandhasnoeffectuponthedrawing.

Holtecalsounderstandsthatdimensionalrequirementsneededtoevaluatesafetysignificant performancecriteria,suchascomponentshielding,arerequiredtobespecifiedinlicensing drawing10868.[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page7of32

]

RAI15:ReviseorclarifyDrawing10875,Sheet3,toprovidethedimensionsoftheairoutlet ventportoftheVVM.

DrawingNo.10875,Sheet3,oftheSARprovidesthelayoutoftheverticalventilatedmodule (VVM)CoftheHISTOREsitespecificISFSIdesign.However,thedrawingdoesnotinclude dimensionsfortheairoutletventportoftheVVM.Althoughtheapplicantprovidesthe distancebetweenthetopopeningsoftheoutlets,thestaffisunabletoderivethedimensions oftheairoutletventportfromthedrawing.Thestaffnotesalsothattheinletandoutletvent designsoftheHISTOREsystemissignificantlydifferentfromtheUMAXsystemascanbefound inthefollowingpicturesfromtheUMAXFSAR(Pictures1and2)andtheHISTORESAR(Picture 3).

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page8of32

Fromthesepictures,itcanbeobservedthattheventstructuraldesignsofthetwosystemare significantlydifferent.ThestaffcannotderivethedimensionaldatafromtheUMAXtoplid design.

Thisinformationisneededtodeterminecompliancewith10CFR72.104and72.106.

HoltecResponse:

HoltecnotesandagreesthatthedesignoftheclosurelidfortheUMAXVVMVersionC (drawing10875)differsfromtheclosureliddesigndescribedinRevision2oftheUMAXFSAR.

However,theevaluationofthesafetyfunctionoftheUMAXVVMVersionClidisindependent oftheearlierliddesign,soshouldhavenobearingontheHISTORECISFSARapplication, exceptforanygeneralcomparisonsbetweenthetwothatmightbemightmadetoenhance understandingoftheirfunction.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page9of32

ThedimensionsoftheairoutletconesthatformtheoutletventportareshowninSectionDA DAonSheet7ofdrawing10875.Asthereviewernotes,thereisa3dimensionshown betweentheconverginganddivergingconesections.Holtechasreviewedthedimensions shownonthedrawing,[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

RAI16:ProvideajustificationwhytheairoutletventsareidentifiedasNotImportanttoSafety (NITS)itemsorrevisethedrawingstolabelthemasimportanttosafety.

Sheet66ofDrawing10875oftheHISTORESARidentifiesItems304(AIROUTLET,INNER SHIELDCONE,305(AIROUTLET,UPPERSHIELDCONE),and306(AIROUTLET,LOWERSHIELD CONE)asNITS.ThestaffdoesnotunderstandwhytheseairoutletsareclassifiedasNITS,since thegeometryanddimensionsoftheseairoutletsareimportanttoshieldingandprovide

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page10of32

streamingpathsforradiations.ThestaffalsonotesthatDrawing8446,Sheet7fortheUMAX FSARmarksthesimilaritemsasITS.

Thisinformationisneededtodeterminecompliancewith10CFR72.128(a)(4),72.104and 72.106.

HoltecResponse:

Items304,305and306aredesignatedasNITSbecausetheyarethinwalledplateswithminor directcontributiontoshielding.Theirprimaryfunctionistoactasaformfortheinstallation oftheconcretethatprovidestheprimaryshieldingfunction.Theshapeoftheairoutletduct, whichHoltecagreesisrequiredforboththermalandshieldingperformance,iscontrolledby thedimensionsassignedtotheassembledcomponent.Items304,305and306arenotcredited foranysafetysignificantstructuralfunction.TheyaresimilarinnaturetoItem29ofdrawing 8446(Sheet7),whichisalsojustifiedasNITSbythesamereasoning.

RAI18:Providetheexactdimensionsofthepathandthedistancefromtheunloadingpointof thetransportationcasktotheUMAXISFSIpad.

Table1.1.1oftheHISTORESARprovidessomegeneralarrangementdataoftheHISTORECISF ISFSI.However,itdoesnotprovideadetaileddescriptionforthedimensionsofthesiteto includethespecificpathanddistancefromthepointoftransferringthecanisterfromthe transportationpackagetotheISFSIpadtofacilitateradiationprotectiondesignand calculations.

Thisinformationisneededtodeterminecompliancewith10CFR20.1201,20.1202,20.1203,10 CFR72.104and72.106.

HoltecResponse:

ThedistancealongtheHaulPathfromthecasktransferbuildingtotheISFSIPadisnominally 2050feet.SARTable1.1.1hasbeenupdatedtoincludethisvalue.Drawing11460illustratesthe generalarrangementoftheHISTORECISFsite.

RAI19:ClarifythestatementsinSection1.0.1oftheHISTORESARregardingthetreatmentof 10CFR72.48EvaluationsfortheHISTORECISF.

OnSection1.0.1oftheHISTORESAR,theapplicantstates:Itisnotedthattheinformation incorporatedhereinbyreferenceisbasedonthedocketed,NRC-approvedlicensingbasis.If anychangeismadetoacanisterundertheoriginallicensingbasisusing10CFR72.48,such changewillneedtobeevaluatedagainsttheHISTORMUMAXFSARbeforethecanistercanbe storedinaHISTORMUMAXsystem.However,itisnotclearfromthesestatementswhat changestothecanisterdesignhavebeenmadeunder10CFR72.48sincetheapprovalof Amendment1toCertificateofComplianceNo.1040fortheHISTORMUMAXSystem,howthe evaluationswereperformed,whatacceptancecriteriawereused,anditsimpactsonshielding designforthesecanisters.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page11of32

Becausethisapplicationisforaspecificlicense,evaluationsofallchangesmadeunder10CFR 72.48shouldberelatedtothespecificcharacteristicsoftheHISTORECISFISFSIdesignand operation.

Thisinformationisneededtodeterminecompliancewith10CFR72.104,72.106and72.124.

HoltecResponse:

ThecurrentHISTOREapplicationrequestsapprovalforcanistersthatmeettheNRCapproved licensingbasisofHISTORMUMAXAmendments0,1,and2.IfacanistertobestoredattheHI STOREfacilityfullymeetstheNRCapprovedlicensingbasisoutlinedinanyofthose3 amendments,nofurtheractionisneeded.However,ifanychangeismadetoacanisterthatis notwithinthislicensingbasisthatisincorporatedbyreference,thatchangewillneedtobe evaluatedtodetermineifthecanisterneedsadditionalNRCapprovalpriortostorageatHI STORE.ThesentencequotedintheRAIhasbeenclarifiedtoensurethatthisevaluationisdone againsttheHISTORElicensingbasis.

RAI31:Clarify(provide)thebasisforhowtheHISTORECISFwillbedesignedtoreceivefuel fromanylicensedcanisterbasedtransportationcask(ormodifyorremovethatstatement).

Section3.1oftheHISTORESARstatesthat[t]heHISTOREfacilitywillbedesignedtoreceive fuelfromanylicensedcanisterbasedtransportationcask.However,theanalysesand operatingproceduresintheapplicationonlyconsiderstheuseoftheHISTAR190 transportationcaskattheHISTORECISF.Abasisorevaluationisnotprovidedfortheuseof otherlicensedtransportationcaskdesignsorhowHISTOREisgenericallydesignedto accommodatearangeoflicensedtransportationcaskdesigns.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(b).

HoltecResponse:

TheNRCrevieweriscorrectthattheHISTORECISFapplicationandbasisforevaluationis currentlylimitedtotheuseoftheHISTAR190transportationcaskforreceivingloaded canisters.ToclarifythisthefollowingrevisionsaremadetoChapters1and3:

Paragraph8ofSection1.0ofChapter1isrevised:

Table1.0.5isaddedtoChapter1:

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page12of32

Section1.2.7.cisrevisedtoremovespecificreferencetoHISTAR190(nowgenericallyreferred toasTransportCask):

Paragraph1ofSection3.1ofChapter3isrevisedtoreferenceTable1.0.5:

RAI32:Providethecontaminationlimits(bothremovableandfixed)forthesiteincludingthe surfaceofthespentfuelstoragecanisterandthebasisforthosevalues.

Section3.1.4.6oftheHISTORESARstates,inpart,thatpersonnelensurethatcontamination levelsonthecanistersofincomingshipmentsmeetsiterequirements,andcanistersexceeding thelimitswillbereturnedtotheoriginatingpowerplantfordispositioning.However,nosite limitshavebeenestablishednoranassociatedbasisorevaluationperformedintheapplication.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(e),72.122(h),and 72.126(a)(4).

HoltecResponse:

ThecontaminationlimitsforaccessibleportionsoftheMPCareaddedtotheHISTORE TechnicalSpecificationAppendix16.A.ThecontaminationlimitsarethesameastheHISTORM

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page13of32

UMAXCoCforaccessibleportionsoftheMPC,whicharetakenfromtheguidanceofIECircular 8107.

3.2.1AccessiblePortionsoftheMPCSurfaceContamination.

LCO3.2.1 RemovablecontaminationonaccessibleportionsoftheMPCshalleachnot exceed:

a.1000dpm/100cm2frombetaandgammasources

b.20dpm/100cm2fromalphasources.

Theselimitsarebasedontheminimumlevelofactivitythatcanberoutinelydetectedundera surfacecontaminationcontrolprogramusingdirectsurveymethods.Onlyloosecontamination iscontrolled,asfixedcontaminationwillnotresultfromtheTRANSFERCASKloadingprocess.

RAI33:Clarifyifdecontaminationoftheinteriorsurfacesoftransportationpackagesand transfercaskswillbeconductedaftercanistersareremovedfrombothduringcanistertransfer operations.

Section3.1.4.6oftheHISTORESARstatesthatcontaminationsurveyswillbeconductedon accessiblesurfacesofthecanisterafterremovalofthetransportationcasklid.However,the SARdoesnotdiscusswhetherdecontaminationoftheinteriorsurfacesoftransportation packagesortransfercasksafterremovingspentfuelcanisterswillbeconductedif contaminationisfoundontheaccessiblesurfacesofthecanister.Ifnecessary,these decontaminationactivitiescouldcontributetothegenerationofsoliddecontaminationwastes andshouldbediscussedintheSAR.

Thisinformationisneededtodeterminecompliancewith10CFR72.126(a).

HoltecResponse:

Holtecagreesthatcontaminationsurveysandpossibledecontaminationofinteriorsurfacesof boththeTransportCaskandHITRACCSaretobeperformedatappropriatepointsinthe canistertransferprocess.WhileSection3.1.4.6listsgeneralhealthphysicsactivitiesduring variousoperations,Holtecconsidersittobeclearertospecificallyaddressthepossible decontaminationactivitiesthatmayberequiredfortheTransportCaskandHITRACCSin Sections3.1.4.2and3.1.4.3.

Paragraph3ofSection3.1.4.2isrevisedasfollows:

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page14of32

Paragraph1ofSection3.1.4.3isrevisedasfollows:

RAI34:ReviseSection3.1.4and/orSection10.3.3oftheHISTORESARtoaddresstheactions thatwilltakeplaceifthedoseratesfromthecasksurface(oronemeterfromcask)exceed thosespecifiedtransportationregulationsuponreceiptattheCISF.

Section3.1.4and3.1.5oftheHISTORESARdiscussestheoperationatHISTORECISF.However, thesesectionsoftheSARdonotdiscussanycontingenciesthatwilltakeplaceiftheradiation doseratesfromthecaskexceedthosespecifiedintransportationregulationswhenreceivedat thesite.

Thisinformationisneededtodeterminecompliancewith10CFR72.126.

HoltecResponse:

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page15of32

Atransportcaskthatdoesnotmeettheradiationdoseratesspecifiedintheapplicable transportationregulationswillnotbeacceptedattheHISTORECISFandwillbereturnedtothe nuclearplantoforiginorotherfacilitylicensedtoperformfuelloadingprocedures.Thefinal deliverycarrierandtheNRCOperationsCenterwillbeimmediatelynotified,inaccordancewith therequirementsof10CFR20.1906.AsstatedinSection3.1.4.1oftheSAR,arootcause evaluationunderHoltecsqualityprogramwillbeperformed.

ThefollowingNOTEisaddedafterStep6ofSection10.3.3.1:

RAI35:Revisetheoperatingprocedurestoincludetherequirementforasurface contaminationsurveyanddefinethecriterionfortheacceptablesurfacecontaminationlevel.

Page35oftheSARstates:Afterinitialreceiptapproval,thecaskismovedintothesecurity vehicletrapforphysicalinspectionbysecuritypersonneltoensurenounauthorizeddevicesor materialsenterthePA[protectedarea].Whensecurityclearanceiscomplete,theshipment proceedsintothePAandintotheCTB(Figure3.1.2)wherethepersonnelbarrierandtiedown areremoved.Thetransportationcask,inaccordancewiththePart71requirements,issurveyed fordoseratesandcontaminationlevels.ThedoseratefromthecaskonarrivalattheHISTORE CISfacilitymustbeinreasonableaccordwiththemeasureddoserateattheoriginatingplant.

AnexcessivediscrepancywouldwarrantarootcauseevaluationunderHoltecsqualityprogram andappropriatenotificationtotheUSNRC.

Chapter10oftheSARprovidesoperatingprocedures(OP)forunloadingthecanistertobe storedintheHISTORECISISFSI.Specifically,Chapter10includesthefollowingoperational requirements:

Step1oftheOPrequires:TheHISTARpackagingisvisuallyreceiptinspectedtoverify thattherearenooutwardvisualindicationsofimpairedphysicalconditionsexceptfor superficialmarksanddents.Anyissuesareidentifiedtositemanagement.Anyroaddirt iswashedoffandanyforeignmaterialisremoved.

Step6oftheOPrequires:Radiologicalsurveysareperformedinaccordancewith49 CFR173.443[10.3.1]and10CFR20.1906[7.4.1].Anyissuesareidentifiedtosite

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page16of32

management.Ifnecessary,theoverpackisdecontaminatedasdirectedbysiteradiation protection.

TherequirementssetforthindifferentpartsoftheSARappeartobeinconsistentwithrespect tosurfacecontaminationsurveyandnecessarydecontamination.Theapplicantneedstorevise theoperatingprocedurestomovethesurfacecontaminationsurveybeforewashingoffthe package.Also,theSARdoesnotincludespecificacceptancecriterionforthecanister radiologicalsurveys.

Thisinformationisneededtodeterminecompliancewith10CFR72.104(a),(b),and(c).

HoltecResponse:

Step6ofSection10.3.3.1isrevisedtoclarifyacceptancecriterionforthecanisterradiologicalsurveys, asfollows:

InSection10.3.3.1,thestepforwashingofthepackageisremovedfromtheactivitiesinStep1and addedafterStep6,sothatremovalofroaddirtandforeignmaterialisnotperformedbefore appropriateradiologicalsurveysandanynecessarydecontaminationisperformed.Step7istherefore added,asfollows,andsubsequentstepsarerenumbered.

RAI41:ClarifythesafetyclassificationoftheISFSIsubgradeinTable4.2.1oftheHISTORESAR and,asappropriate,updatetheagingmanagementevaluationofthiscomponentinSAR Chapter18,andreviseanyapplicableshieldingandstructuralanalysesaccordingly.

Table4.2.1oftheHISTORESAR,ITSClassificationofSSCsthatComprisetheHISTORECIS Facility,statesthatthecontrolledlowstrengthmaterial(CLSM)withinthespacebetweenthe cavityenclosurecontainers(CECs)isnotimportanttosafety.However,theHISTORESAR includesminimumdensityrequirementsforthissubgradetosupportshieldingandstructural analyses.Also,Table2.6.2oftheHISTORMUMAXFSAR,PrincipalMaterials,TheirFunction, andITSCategoriesforVVM,statesthatthesubgradebetweentheCECsisimportanttosafety andhasprimaryfunctionsofshieldingandphysicalprotection.InSARChapter18,Aging ManagementProgram,thesubjectsubgradeisnotevaluatedforpotentialagingmechanisms becauseitisstatedasnotperforming,oraffecting,asafetyfunction.However,ifthe designationofthesubgradeisrevisedtobeimportanttosafety,thenpotentialaging

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page17of32

mechanismsforleanconcreteorCLSMsubgradesshouldbeevaluatedtoensurethatthe subgradewillbecapableofperformingitsfunctionsduringlongtermexposuretoradiationand elevatedtemperatures.

Inaddition,HISTORECISSARSection17.2.1.2statesthatthesubgradeisconstructedoflean concreteorCLSM;however,theSARfrequentlyreferstothesubgradeonlyasCLSM(e.g.,

SARTables4.2.1and18.1.1).ThestaffnotesthatthetermsleanconcreteandCLSMare oftenlooselydefinedintheconstructionindustry.TheSARshouldconsistentlyclarifytheusage ofeitherofthetwomaterials,andtheevaluationofagingmechanismsshouldconsiderthe widerangeofpossiblesubgradecompositions.Ifpotentialdegradation,suchaslossof material,shrinking,cracking,areplausible,thentheSARshoulddiscusshowtheseaging mechanismsaffecttheperformanceoftheidentifiedsafetyfunctionsandrevisetheshielding andstructuralanalysesaccordingly.

Thisinformationisrequiredtodeterminecompliancewith10CFR72.104,72.106,and 72.120(a).

HoltecResponse:

ThesafetyclassificationoftheCLSMinTable4.2.1oftheHISTORESARisrevisedtoITSC, whichisconsistentwithitsclassificationintheHISTORMUMAXdocket.Table18.1.1isalso revised,toindicatethattheCLSMisclassifiedasanimportanttosafetycomponentwiththe potentialforminorimpactontheUMAXstoragesystemsafetyfunctionduetodegradation.

Revisionstostructuralandshieldinganalysisarenotrequiredtosupportthischangeinsafety classification,assafetyevaluationassumptionsmadeintheanalysesareconsistentwiththose madefortheHISTORMUMAXCLSM.

Chapter18isalsorevised,asshownbelow,toincludetheCLSMintheAMPfortheISFSIpad, SFP,andCTBslab.ForthepurposeoftheAMP,theCLSMisconsideredtobesubjecttothe sameagingmechanismsasthereinforcedconcretestructures,althoughtheCLSMisisolated fromdirectweatheringeffectsandsignificantexposuretogroundwaterbyisolationbetween theISFSIpadandSFP.Despitethewiderangeofpossiblesubgradecompositions,the cementitiousnatureoftheCLSMisnodifferentfromthehigherstrengthmaterialusedinthe ISFSIpadandSFP.Possibledegradation(suchaslossofmaterial,shrinking,andcracking)areno moreplausibleforCLSMthanotherconcretestructures.Similarly,agingdegradationdueto radiationandelevatedtemperaturesarenomoreplausiblethatothercementitious compositions,regardlessoftheirrequiredstrengthordensity.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page18of32

ThroughouttheSAR,HoltechasattemptedtoconsistentlyrefertoCLSMwiththeadditional clarificationthatthistermmayalsoincludeleanconcrete,whichisatermoftenusedinthe constructionindustry.TheGlossaryentryforCLSMfurtherreiteratesthisequivalency.

WhereverthetermCLSMisusedthroughouttheSAR,thereadershouldrefertotheglossary forfurtherclarificationifnecessary.

RAI511:Clarifyhowthefabricatorwillbeabletoreplacefilletweldswithgrooveweldsof equalorgreaterstrength.

Note2onSheet1of5,ofDrawingNo.10868,indicatesthatthefabricatorisabletoreplaceall filletweldswithgrooveweldsofequalorgreaterstrength,asdootherlicensingdrawings.Itis unclearhowthefabricatorwilldeterminethatagivengrooveweldwillhaveequalorgreater strengthtoafilletweldsincesupportingdesigndocumentationhasnotbeenprovidedforboth NITSandITScomponents.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.122(a).

HoltecResponse:

Toprovideclarification,thesixthbulletofAdditionalNote2ofDrawing10868(Sheet1)is revisedasfollows:

[HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

RAI512:Clarifyhowitemslabeledasnotimportanttosafetywillvaryandhowthese variationswillnotimpactimportanttosafetyitems.

Severalofthelicensingdrawingsindicatethefollowing:

NOTIMPORTANTTOSAFETY(NITS)COMPONENTSMAYBESHOWNFORILLUSTRATIVE PURPOSESONLYANDMAYVARY.ADDITIONALNITSFEATURESANDDETAILSMAYBE SHOWNONTHEMANUFACTURINGDRAWINGSTHATARENOTSHOWNONTHE LICENSINGDRAWINGS.

ItisnotclearhowNITSitemswillvary,especiallythosethatwillnotbedepictedonthe licensingdrawings(orfabricationdrawings).NITSitemsthatarenotdepictedcouldpotentially

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page19of32

impactimportanttosafetyitems(ITSs)byintroducingunforeseen/undesirablematerial, structural,thermal,andshieldingeffectsordeficienciestoITSitems.Theapplicationshould provideadditionalinformationordescriptionsofNITSitems(function,materialsofconstruction etc.)inthelicensingdrawingsbecausethoseitemscouldaffectITScomponents.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.24(b)and72.24(c).

HoltecResponse:

Thisnote,orvariationsofit,hasbehistoricallyusedtoclarifythatcomponentsthatdonot directlyaffectthesafetyfunctionoftheSSC(thatis,NITScomponents)maybespecifiedtoa lesserdegreethanITScomponents.ItisimpliedinthisstatementthatNITScomponentshave neitheradirectcontributiontotheSSCssafetyfunctionoranindirectaffectoninterfacingITS components.PerHoltecstandardprocedure,allcomponentsthatarespecifiedinfabrication drawings,whetherITSorNITS,areevaluatedtodetermineiftheyareincompliancewithall licensingdrawingsandSARrequirements.Componentsarealsoevaluatedtoensuretheir designisinagreementwith,anddoeshaveanyeffecton,allsafetysignificantanalyses.

Holtecthereforeconsidersthenoteinthelicensingdrawingstoberedundant.Therefore, ratherthanattemptingtoclarifythestatementinalllicensingdrawingsbyprovidingspecific additionalinformationordescriptionsofNITSitems,thisnoteisremovedfromalldrawingsin theHISTORESAR.Affecteddrawingsare:10868,10875,10889,10891,10894,10895,10899, 10900,10901,and10902.

RAI513:ClarifythenoteonDrawingNo.10895indicatingthatanunspecifieditemwillbe weldedfrommultiplepieces.

Note3onSheet1of4,DrawingNo.10895,states:

SHELLMAYBEWELDEDFROMMULTIPLEPIECES,TYPEOFWELD,NUMBERAND LOCATIONSOFWELDSTOBEDETERMINEDBYFABRICATOR.

Itisnotclearwhichitemwillbeweldedinthisfashionasitdoesnotappearthatanyitemin DrawingNo.10895referencesthisnote.Inaddition,iftheitemisITS,itisnotclearhowthe itemwillbeabletoperformitsintendedsafetyfunctionwithvaryingweldsizeandlocationas supportingcalculationsdemonstratingstructuralintegrityofthecomponenthavenotbeen submitted.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.24(b)and72.24(c).

HoltecResponse:

Note3onSheet1ofDrawing10895ismodifiedasfollows,toclarifythatthenoteisapplicable totheCTFShell.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page20of32

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

TheCTFshellandshellweldsarenonstructural,asthestructuralloadsontheCTFareimparted ontheCTBslabatthetopandtheCTFfoundationslabatthebase.Number,typeandlocations ofweldsarethereforenotspecifiedonlicensingdrawing10895astheyarenotsafety significant.

RAI514:ClarifyifthepedestaltobeusedwiththeHISTAR190SLisITSandifso,provide supportingdrawingsandcalculationsforapedestaltobeusedintandemwiththeHISTAR 190SLcanisterandcanistertransferfacility.

Note5onSheet1of4,DrawingNo.10895,states:

APEDESTALOFHEIGHT221/2"SHALLBEUSEDTOSUPPORTHISTAR190SLINTHECTF CAVITY.THEPEDESTALSHALLBEMADETOMEETTHEREQUIREDHEATTRANSFER REQUIREMENTSINTHECTF.

However,thisitemhasnotbeendetailedonthelicensingdrawings,norhavesupporting calculationsbeenprovidedtoshowthatthisitemcanperformitsstructuralandthermal functions.Ifthepedestalisconsideredanimportanttosafetycomponent,providesupporting calculationsanddrawings.Ifnot,theapplicationshouldjustifyitsNITSdesignationby discussingscenarioswherethepedestalfailsorcannotperformitsintendedfunctionand assessingthecorrespondingeffects.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.24(b).

HoltecResponse:

Section2oftheHISTORECTFThermalEvaluation(HI2177597)specifiesthatapedestalwith thefollowingcharacteristicsisrequiredforusewiththeHISTAR190SLtransportcask(shorter HISTAR190designvariant):

Ribsarefabricatedfromcarbonsteel.

Volumetricratioofribstotheairinsidepedestalgreaterthan5%.

Thecombinedeffectoftheassumedthermalconductivityofthecarbonsteelandafillfactor of5percentforthecrosssectionareaoftheribscomparedtotheCTFbaseplateisthebasisfor ensuringsufficientheatisdissipatedfromthetransportcasktothebaseplate.

ThispedestalisdesignatedasITSduetoitsfunctioninensuringthattheheatdissipationfrom theHISTAR190SLcaskisadequateforthisshorttermoperation,asdescribedinChapter4of theHISTORESAR.Detailsofthedesign,shownbelow,areaddedtolicensingdrawing10895.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page21of32

ThermalcalculationsaredocumentedinHI2177597.Therequiredcrosssectionareaoftheribs issufficienttoensuremaximumstressonthepedestalduringnormaloperationsandseismic eventsismaintainedbelow2ksi,wellbelowtheallowablestressforcarbonsteelmaterials.

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page22of32

]

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

RAI517:ClarifydetailADonSheet3of6,DrawingNo.10875oftheVerticalVentilated Module,VersionC.

Sheet3of6ofDrawingNo.10875,depictsdetailABandAD,whicharecalledoutinsectionAA onthesamesheet.ItappearsthatdetailABandADasdrawn,donotcorrespondtothedetails

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page23of32

onSectionAA.ConfirmthatdetailsABandADasdepictedcorrectlyandupdatethelicensing drawingsasnecessary.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.24(c)(3).

HoltecResponse:

TheobservationiscorrectthatDetailsABandADdonotdirectlycorrespondtotheimages showninSectionAA.Eachdetail,however,hasadisclaimerthatthecomponentsarerotated intoview,indicatingthatthedrawingSectionAAwasnotabletobemanipulatedasneeded todirectlyshowthesecomponents.Holtec,however,believesthattheDetailsABandAD successfullyrepresenttheinformationrequiredforthesafetyrelatedevaluationsoftheHI STORMVVMVersionC,asdescribedbelow.Foradditionalclarity,anotationisaddedtoboth viewsstatingITEMSROTATE22.5DEGREESINTOVIEW.

[

HOLTECPROPRIETARYINFORMATIONWITHHELDPER10CFR2.390

]

ThepurposeofDetailADistoshowtheclearancebetweenthebaseoftheDividerShell(Item 201).AdditionaldetailsoftheDividerShellareshownonSheet5ofthedrawing.

RAI81:Providethelicensingbaseswhichensurethat,beforeanuclearcriticalityaccidentis possible,atleasttwounlikely,independent,andconcurrentorsequentialchangeshave occurredintheconditionsessentialtonuclearcriticalitysafety.

TheHISTORECISFSARdoesnotidentifythecaskdesignorsitefeaturesthatensurethat accidentalcriticalityisnotcausedbytwounlikely,independent,andconcurrentorsequential events.TheSARshouldincludesuchadiscussion,whichshouldconsiderthelikelihoodof possibleevents(e.g.,canisterfailure,flooding)overthe40yearlicenseperiod.

Thisinformationisnecessarytodeterminecompliancewith10CFR72.124(a).

HoltecResponse:

EditorialchangesaremadeinSubsection8.3.2oftheHISTORESARtoprovidetherequested information.Table8.3.1isalsoaddedtoSubsection8.3.2.

RAI1010:Statewhetherradiationprotectionprogram,radiationmonitorreadingsorresults, andcopiesoftheupdatedSARorFSARrecordswillbemaintainedinSection10.3.2oftheHI STORESARasappropriate.

SARSection10.3.2discusseswhatrecordsarerequiredtobemaintainedasqualityrecords.

However,theradiationprotectionprogram,radiationmonitorreadingsorresults,andcopiesof

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page24of32

theupdatedSARorFSARarenotreferencedinthissectionasrecordsthatwillbemaintainedas required.

Thisinformationisneededtodeterminecompliancewith10CFR72.70and10CFRPart20, SubpartL.

HoltecResponse:

SARSection10.3.2hasbeenupdatedtorequireradiationprotectionprogramrecords,radiation monitorreadingsorresults,andcopiesoftheupdatedSARorFSARtobemaintainedasquality records.

References:

1.

10CFR20.2102,Recordsofradiationprotectionprograms.

2.

10CFR20.2103,Recordsofsurveys.

3.

10CFR20.2106,Recordsofindividualmonitoringresults.

4.

10CFR20.2107,Recordsofdosetoindividualmembersofthepublic.

RAI1011:Explainhowcanistertransferoperationsareterminatedtoensurethecanisterisina safeconditionfollowingidentificationofKrypton85concentrationabovetheacceptance criteriaordetectionofacanisterleak.

Steps10and12inSection10.3.3.1oftheHISTORESARstate,respectively,toterminate canistertransferoperationsifKrypton85isidentifiedabovetheacceptancecriteriaora canisterleakisdetected.However,nooperationalstepsareprovidedastohowterminationof canistertransferoperationswouldbeperformedateachstageintheprocesstoputthe canisterinasafecondition.Ifthecanisterisconsideredinasafeconditionaftercompletingthe applicabletest,nobasisisprovidedintheapplication.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(h)and72.104(a).

HoltecResponse:

Steps11and13ofSection10.3.3.1(stepshavebeenrenumberedduetotheadditionofStep7 inresponsetoRAI35)arerevisedasfollowstoincludeoperationstoreturnthecasktoasafe condition,followingidentificationofaKrypton85concentrationaboveacceptancecriteriaor detectionofacanisterleak.

11. Asasafetyprecaution,theHISTAR190closurelidaccessportcoverisremovedandsampling equipmentisattachedtotestforthepresenceofKrypton85.Thesamplingequipmentconsists ofacoverflangethatallowsremoteopeningoftheclosurelidportplugtoensurethereisno releaseofradioactivematerial.Thecoverflangeandgassamplecanisterisevacuatedpriorto openingtheportplugtoensurethesampleaccuratelyreflectsthecaskcavitycontents.Thecask cavity gas sample is handled in accordance with Radiation Protection directions by qualified personnel. Testing is performed per preapproved procedure, using appropriately calibrated equipmentthathasbeenqualifiedfortestingatexpectedconcentrationlimits,toconfirmthat

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page25of32

thesamplemeetstheacceptancecriteriaofTable10.3.3.IntheunlikelyeventthattheKrypton 85concentrationexceedstheacceptancecriteria,thecanistertransferoperationsareterminated andsitemanagementisinformedfordisposition.Thecaskisreturnedtoasafeconditionfor transportinaccordancewithitsapplicablePart71requirements.Thisincludesmeasurementof heliumbackfillgaspressureandadditionofheliumgasoftherequisitepurity,asnecessary,to ensurethebackfillgaspressureiswithintherequiredlimitsfortransport.Thecaskaccessport coverandimpactlimitersshallbereinstalled,thecaskshallberiggedandtransferredbacktothe railcar, restored to its shipping configuration (tiedowns, radial shims and personnel barrier installed)andmovedtoadesignatedstagingareapriortooffsitetransport.Operationstoreceive the cask are terminated, a root cause investigation shall be initiated, and the cask shall be preparedforreturntothenuclearplantoforiginorotherfacilitylicensedtoperformfuelloading procedures.

13. Themassspectrometerleaktestapparatusisattachedtothesamplingequipmentconnectorand aleaktestoftheMPCisperformed.Leakageratetestingisperformedperprocedureswritten andapprovedinaccordancewiththerequirementsofANSIN14.52014[10.3.3].Alltestingis performedbypersonnelqualifiedinaccordancewiththeHoltecQAprogramandcertifiedin accordancewithRecommendedPracticeNo.SNTTC1A[10.3.2].Thewrittenandapprovedtest proceduresshallclearlydefinethetestequipmentarrangement.Leakageratetestingprocedures shallbeapprovedbypersonnelcertifiedbytheASNTasaLevelIIIexaminerforleakagetesting.

TheapplicablerecommendedguidelinesofRecommendedPracticeNo.SNTTC1A[10.3.2]shall beconsideredasminimumrequirements.CanisterleakagetestspecificationsarelistedinTable 10.3.2.Ifacanisterleakisdetected,thecanistertransferoperationsareterminatedandsite managementisinformedfordisposition.Thecaskisreturnedtoasafeconditionfortransportin accordancewithitsapplicablePart71requirements.Thisincludestheadditionofheliumgasof therequisitepurity,asnecessary,toensurethebackfillgaspressureiswithintherequiredlimits fortransport.Thecaskaccessportcoverandimpactlimitersshallbereinstalled,thecaskshall beriggedandtransferredbacktotherailcar,restoredtoitsshippingconfiguration(tiedowns, radialshimsandpersonnelbarrierinstalled)andmovedtoadesignatedstagingareapriortooff sitetransport.Operationstoreceivethecaskareterminated,arootcauseinvestigationshallbe initiated,andthecaskshallbepreparedforreturntothenuclearplantoforiginorotherfacility licensedtoperformfuelloadingprocedures.

RAI1012:Identifyanddescribetheprojectedcontingencyoperationsfollowingidentification ofKrypton85concentrationabovetheacceptancecriteriaordetectionofacanisterleak.

Steps10and12ofSection10.3.3.1oftheHISTORESARstatethatsitemanagementis informedfordispositionfollowingidentificationofKrypton85concentrationabovethe acceptancecriteriaordetectionofacanisterleak.However,nocontingencyoperationsare identifiedordescribedtoexplainthepotentialdispositionpathwaysforthecanisterandtheir safetybasis.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(h)and72.104(a).

HoltecResponse:

FollowingeitheridentificationofaKrypton85concentrationabovetheacceptancecriteriaor detectionofapotentialcanisterleak,thecaskwillbereturnedtoasafeconditionfortransport.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page26of32

Operationstoreceivethecaskareterminatedandthecaskwillbereturnedtosender.Noother contingencyplansfordispositionofthecanisterareallowable.

SeerevisionstoSteps11and13ofSection10.3.3.1(stepshavebeenrenumberedduetothe additionofStep7inresponsetoRAI35)forFSARtextchangestoclaritythedispositionfora potentiallyleakingcask.

RAI1013:Statewhetheracanistercontaminationsurvey,includingtheapplicablesite contaminationlimit(s)andapplicableactionspostsurvey,willbeperformedandhow.

Section3.1.4.2oftheHISTORESARstatesthat[w]iththecanisterlidexposed,a contaminationsurveyistakenontheaccessibleareasofthecanisterlidtoverifythatthe canisterisfreeofremovablecontamination.However,SARSection10.3.3.2doesnotdiscuss thatafterthetransportationcaskclosurelidisremoved,acontaminationsurveyisperformed onthecanister.Inaddition,theSARdoesnotdiscusssitecontaminationlimit(s),northeactions tobeperformedbasedontheresultsofthesurvey.

Thisinformationisneededtodeterminecompliancewith10CFR72.24(e)and72.104(a).

HoltecResponse:

UponopeningtheHISTARcaskandexposingtheuppersurfaceofthecanister,a contaminationsurveyisperformedonaccessiblesurfaces,perthelimitsandactionsdescribed intheLimitingConditionsofOperation(LCO)3.2.1describedinAppendix16.A.

Step3,asshownbelow,isaddedtoSection10.3.3.2toaddthisoperation:

RAI1014:ProvidethelocationofQualityAssuranceintheorganizationchartsinFigures10.4.1 and10.4.2oftheHISTORESAR.

QualityAssuranceisdiscussedinSARChapter10,Section10.1.2,aspartoftheorganizations supportstaff(ISFSIspecialists)butisnotdepictedinthecorporateortheonsiteorganization chartsinSARFigures10.4.1and10.4.2.

Thisinformationisneededtodeterminecompliancewith10CFR72.28(c)and72.142.

HoltecResponse:

Figures10.4.1and10.4.2arerevisedasshownbelowtoincludethelocationofthesiteQuality Assurancedepartmentintheorganizationalstructure.ThesiteQualityAssurancedepartment reportsoffsitetothecorporateQualityAssuranceorganization.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page27of32

RAI1015:ClarifyifthetrainingdescribedinthesecondparagraphofSARSection10.4.2isonly forOperatingPersonnelorallemployeesatthefacilitythathaveunescortedaccess.Describeif anygeneralemployeetrainingwillbeprovidedtoallpersonnel.

SARSection10.4.2istitled,inpart,trainingforOperatingPersonnel.Thefirstsentenceofthe secondparagraphstatesthatindividualsrequiringunescortedaccesstothesitewillreceive traininginseveralprogrammaticareas.However,itisnotclearifthistrainingrequirementis onlyapplicabletoOperatingPersonnelwhoneedunescortedaccessortoallpersonnelwho needunescortedaccess.IfitisonlyforOperatingPersonnel,describehowotherfacilitystaff, suchasadministrativeandcorporatesupportthathaveunescortedaccess,willbeadequately trainedtoperformworksafelyatthefacility.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page28of32

Thisinformationisneededtodeterminecompliancewith10CFR72.28(d)and72.192.

HoltecResponse:

ThetrainingdescribedinthesecondparagraphofSARSection10.4.2isapplicabletoall personnelrequiringunescortedaccesstothefacility,includingalloperatingpersonneland otherfacilitystaffsuchasadministrativeandcorporatesupport.ThesecondparagraphofSAR Section10.4.2isrevisedasfollows:

RAI1016:ProvidethestandardtowhichRadiationProtectionTechnicianswillbetrainedand certified,andthebasisfortheselection.

Table10.1.1ofSARChapter10describesthetrainingandcertificationrequirementsforHI STOREorganizationstaff.UnderSpecialists/RadiationProtectionTechnicians,itstatesthat RadiationProtectionTechniciansaretrainedtotheHoltecRadiationProtectionTechnician TrainingProgram.However,nodetailsofthetrainingprogramaredescribedintheapplication, includingthestandarditwaswrittentoandthebasis.

Thisinformationisneededtodeterminecompliancewith10CFR72.28(c)and72.192.

HoltecResponse:

TheHoltecRadiationProtectionTechnicianTrainingProgramisbasedontherequirementsof ANSI/ANS3.12014,asaretheminimumtechnicianqualifications.Theentryfor specialists/radiationprotectiontechnicianrequirementsinTable10.1.1isrevisedasfollows:

Specialists/Radiation Protection Technicians TheISFSISpecialists,atthetimeofappointmenttotheposition,shallhave aHighSchooldiplomaorsuccessfullycompletedtheGeneralEducation Development(GED)test.Operationofequipmentandcontrolsthatare identifiedasimportanttosafetyshallbelimitedtopersonnelwhoare trainedandcertifiedinaccordancewiththeCertifiedISFSISpecialist TrainingProgram[10.1.1]orpersonnelwhoareunderthedirectvisual supervisionofapersonwhoistrainedandcertifiedinaccordancewiththe CertifiedISFSISpecialistTrainingProgram.Specialistswillbetrainedand certifiedinaccordancewiththeHoltecCertifiedISFSISpecialistTraining ProgramandtheHoltecHISTORESiteSecurityPlantrainingand qualificationrequirements,andshallmeetorexceedtheminimum qualificationsofANSI/ANS3.12014foracomparableposition.Atthe

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page29of32

timeofcompletionoftrainingandappointmenttotheposition,the CertifiedISFSISpecialistshallhaveaminimumoftwoyearsofnuclear facilityexperience.RadiationProtectionTechnicianswillbetrainedand certifiedinaccordancewiththeHoltecRadiationProtectionTechnician TrainingProgram,whichisbasedontherequirementsofANSI/ANS3.1 2014,andtheHoltecHISTORESiteSecurityPlantrainingandqualification requirements.

RAI1017:Providetheprocedures,guidance,orcriteriathatsitepersonnelwillusetoreview recordsrelatedtocanisterdesignandcontentstoverifythatspentfuelreceivedattheHI STORECISFwillmeetthedescriptionsandparametersanalyzedintheSAR,andspecifiedinthe licenseandTechnicalSpecifications.

SARChapter3laysoutgeneralproceduresforloadingthespentfuelcanistersintotheVVMfor storage,whicharesupplementedinSARChapter10withmoredetaileddescriptionsofthe operationsoftheISFSI.AlthoughSection10.3.2specifiesthatadministrativeprocedureswillbe establishedandmaintainedforrecords,includingcanisterreceipt,inventory,transfer,among others,Chapter10doesnotprovidedetailedprocedures,guidance,orcriteriathatsite personnelwilluseinreviewingtheserecords.TheSARshouldprovidedetailedprocedures and/orguidancetositepersonnelfortheirreviewoftheserecordstoconfirmthatspentfuel canistersreceivedatthesiteareboundedbytheCISFsitespecificshieldingandcriticality safetyanalysesintheSARandmeettheconditionsofthelicenseandTechnicalSpecifications.

Thisinformationisneededtodeterminecompliancewith10CFR72.104,72.106,and72.124.

HoltecResponse:

TheCISFsitespecificshieldingandcriticalitysafetyanalysesintheSARisbasedonconfirming thateachcanisterreceivedatthesitemeetstherequirementsforitsapprovedcontents,fuel specificationsandloadingconditionsspecifiedinSection2.1ofthesiteTechnicalSpecification.

AninitialparagraphisaddedtoSubsection10.3.3.1oftheSARtoindicatethatreviewofthe documentedincomingcanistercontentsisrequiredpriortoshipmentoftheloadedtransport casktothefacility.Upondeliveryofthecanisteratthefacility,sitepersonnelshallverifythat accompanyingpaperworkmatchesthepaperworkprovidedforinitialapprovaloftheshipment.

Thisdocumentationisperformedasrequiredby10CFR72.72(a),whichisreferencedin Subsection10.3.2oftheSAR.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page30of32

RAI1018:ClarifywhethertheVVMtemperaturemonitoringelementsdiscussedinSection 10.3.3.5oftheHISTORESARarenecessaryoroptional.

Step13ofSection10.3.3.5oftheHISTORESARstates:13.InstalltheVVMtemperature monitoringelements(ifused).TheSARdoesnotprovideanyspecificinformationonwhether theVVMtemperaturemonitoringelementsarenecessaryoroptional.Ifnecessary,theSAR shoulddiscusswhethertheexpecteddosereceivedbytheoperator(s)duringthisoperationare expectedtobesignificantandaccountfortheseintheworkerdoseestimate.

Thisinformationisneededtodeterminecompliancewith10CFR72.126 HoltecResponse:

ThediscussionontheoptionsfordetectingductblockageintheUMAXVVMisincorporatedby referencefromtheUMAXFSARinSubsection11.3.1.Visualinspection(eitherdirectlyorby remotecamera)ormonitoringoftheairoutletducttemperatureispermitted.VVM temperaturemonitoringelementsarethereforeoptional,asasubstituteforvisualinspection.

Subsection11.3.4oftheHISTORMUMAXFSARaddressesestimatedexposuresforsecurity surveillanceandmaintenance,whichareconsideredboundedbydoseestimatesforabove groundHISTORMsystems.Theuseoftemperaturemonitoringelements,inturn,isbounded bydoseestimatesforphysicalinspection,asdirectaccesstotheISFSIbytheworkerisnot required.Astheseworkerdoseestimatesarethereforebasedupontheworstcaseoperations, theyareconsideredtobeconservativeandnotrequireadditionaldiscussionintheSAR.

RAITQP1:Describethebasicworkingtrainingforanemployee,suchasarigger,thatwouldbe operatingorusingtheliftingdevicesandspecialliftingdevicesimportanttosafety.

TheTrainingandQualificationProgramfortheHISTORECISFincludestrainingandqualification fortheoperationoftheimportanttosafetycrane,MPC,HITRAC,andassociatedequipment.

However,itdoesnotdescribetherequirementsfortrainingandqualificationofriggerswhowill beoperatingandusingtheimportanttosafetyliftingdevicesandspecialliftingdevices,as describedinSARChapter4.

Thisinformationisneededtodeterminecompliancewith10CFR72.192.

HoltecResponse:

TheTrainingandQualificationPlan(HI2177562)hasbeenrevisedtoincludeanewsection specifictotrainingrequirementsforriggers.

RAITQP2:Describethefrequencyforrefresherorcontinuingtrainingforthejobspecific descriptionsinSection6.0oftheTrainingandQualificationProgram.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page31of32

Section1.0oftheTrainingandQualificationProgramstatesthatthetrainingrequirementsand qualificationfortheCISFacilityincluderefreshertraining.However,nofrequencyforrefresher trainingisdescribed,exceptfortheEmergencyResponseTeam.Afrequencyshouldbe providedtojustifytheadequacyofthetrainingprogramtomaintainoperatorknowledgeand qualifications.

Thisinformationisneededtodeterminecompliancewith10CFR72.192.

HoltecResponse:

TheTrainingandQualificationPlan(HI2177562)hasbeenrevisedtoincluderequirementsfor refreshercoursefrequenciesforalljobdescriptionsinSection6oftheTrainingand Qualificationprogram.

RAITQP3:Describeorstatethepassinggradeforsuccessfullycompletingexaminationsto demonstratecompetency.

Section1.0oftheTrainingandQualificationProgramstatesthatfollowingtechnicaltraining, traineesmustsuccessfullycompletewritten,practical,ororalexaminationstodemonstrate competency.However,nopassinggradeisdescribedtojustifywhatconstitutessuccessful completionofanexaminationanddemonstratescompetency.

Thisinformationisneededtodeterminecompliancewith10CFR72.192.

HoltecResponse:

Section1oftheTrainingandQualificationPlan(HI2177562)hasbeenrevisedtoincludethe minimumrequirementsforapassinggrade.

EO1:Clarifyorcorrectthefollowingitems:

a.Table4.4.4oftheHISTORESARhassuperscriptsa.throughh.;however,therewere nocorrespondingnotesassociatedwiththesuperscripts.

b.Section10.3.3(Page1012)oftheHISTORESARstates,Independentsafetyreviews willbeperformedanddocumentedbyqualifiedIndependentSafetyReviewers(ISR) priortheperformanceofanyoperations.Theword,To,mayhavebeenomitted.

c.Section5.5.1ofAppendixAtotheProposedLicense(Page52)shouldberevisedto addaperiodattheendofthesentence:Therefore,specificoperatingproceduresfor thecontrolofradioactiveeffluentsandmonitoringprogramforeffluentsattheHI STORECISFacilityarenotrequired.

d.ThedefinitionofthetransfercaskintheProposedLicensereferstothetransfercask astheHISTARCS,ratherthanHITRACCS.

e.SARSection17.8referstoTable17.1.3.ThisreferenceshouldbetoTable17.1.4.

f.SARTable1.5.1incorrectlytitlesDrawingNo.10895.Thecanistertransferfacilityis referredtoasthecasktransferfacility.

HISTOREConsolidatedInterimStorageFacility RequestsforAdditionalInformationPart6 HoltecLetter5025059 Page32of32

g.ThecasktransferfacilityfoundationisdescribedasanITScomponentinSARSection 5.3.3.2;however,thisstructuredoesnotappearinSARTable4.2.1(ITSSCCs),andit isnotdiscussedintheagingmanagementscopingdiscussioninSection2.2.1of HoltecReportNo.HI2167378.

h.SARSection17.5referstotheASNTdesignationforaqualifiedweldexaminer; however,thatacronymisnotdefinedandnoreferencetoaspecificstandardis provided.

i.ThereferencedfootnotesaremissinginSARTable4.4.4,HISTAR190Materials TemperatureLimits.

HoltecResponse:

a. ThenoteshavebeenrestoredtoTable4.4.4,theywereinadvertentlydeletedfroman earlierversion.
b. Thewordtohasbeenaddedtothesentence.
c. Periodhasbeenadded.
d. ThedefinitionhasbeenupdatedfortheHITRACCS.
e. ThereferencehasbeenupdatedtoTable17.1.4.
f. Thedrawingtitlehasbeenupdated.
g. Subsection5.3.3describesthecanistertransferfacilityfoundation.Thisisapartofthe canistertransferfacility(CTF).Table4.2.1doesidentifytheCTFasanITScomponent, andtheCTFisincludedinHI2167378Revision3.
h. ConsistentwithSubsection10.3.3.1,thishasbeenupdatedtoASNT(AmericanSociety forNondestructiveTesting),recommendedpracticesinSNTTC1A.
i. Seeresponsetoitem(a),thefootnoteshavebeenrestored.
Retrieved from "https://kanterella.com/w/index.php?title=ML20283A792&oldid=3844767"