Letter Sequence Other |
|---|
CAC:001028, SR 3.5.1.2 Notation (Approved, Closed) EPID:L-2022-LLE-0011, Request for Exemption from an Allowable Contents Requirement Contained in the Certificate of Compliance No. 1014 for the HI-STORM 100S Version E Cask (Approved, Closed) |
Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, ... further results|Request]]
- Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance
- Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, ... further results|Supplement]]
Administration
- Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance
- Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, ... further results|Meeting]]
Results
- Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, ... further results|Approval]]
Other: L-18-006, ISFSI - Site-Specific License Renewal Application, Revision 0, July 2018, L-23-005, Independent Spent Fuel Storage Installation License Renewal Application, Revision 1 (Cac/Epid No. 001028/L-2022-RNW-0007), ML17311A450, ML18018A018, ML18022A077, ML18022A078, ML18022A079, ML18087A056, ML18087A057, ML18087A058, ML18087A059, ML18087A060, ML18087A061, ML18087A062, ML18100A185, ML18100A188, ML18100A190, ML18100A191, ML18100A193, ML18101A024, ML18108A052, ML18131A047, ML18131A048, ML18141A561, ML18141A562, ML18141A563, ML18141A564, ML18141A565, ML18141A567, ML18179A258, ML18179A260, ML18179A266, ML18201A455, ML18205A179, ML18222A351, ML18228A530, ML18228A531, ML18228A532, ML18228A533, ML18234A012, ML18248A121, ML18255A093, ML18255A094, ML18255A096, ML18255A097, ML18255A098, ML18255A101, ML18255A102, ML18324A577, ML18324A594... further results
|
MONTHYEARML19255E7911997-05-31031 May 1997
Enclosure 1 - Ecological Assessment of the Low Level Waste Depository, Andrews County, Tx
Project stage: Other
ML19255E7952004-10-25025 October 2004
Enclosure 2 - Habitat Characterization and Rare Species Survey for the Proposed Low Level Waste Repository, Andrews County, Tx
Project stage: Other
ML19337B5182007-03-16016 March 2007
Enclosure 10 - Applicable Sections of LLRW License
Project stage: Other
ML19255E7982007-03-16016 March 2007
Enclosure 3 - Supplemental Survey to Ecological Assessment of the Low Level Waste Depository, Andrews County, Texas
Project stage: Supplement
ML19217A2112007-04-30030 April 2007
Enclosure 1 - Report on Mapping of a Trench Through Pedogenic Calcrete (Caliche) Across a Drainage and Possible Lineament, Waste Control Specialists Disposal Site, Andrews County, Tx (Public)
Project stage: Other
ML19255E8002008-07-0303 July 2008
Enclosure 4 - Environmental Assessment Report Prepared for Application for Renewal of Radioactive Material License R04971 Waste Control Specialists LLC Andrews County, Texas
Project stage: Request
ML19217A2142008-07-28028 July 2008
Enclosure 4 - Report on Activities to Satisfy Byproduct RML Conditions 41A, 41C, and 43, July 2008 (Public)
Project stage: Other
ML19217A2132011-02-22022 February 2011
Enclosure 3 - Oag Water Levels: Empirical and Modeled Relationships Between Precipitation and Infiltration, 2011 (Public)
Project stage: Other
ML18100A1882013-04-11011 April 2013
Enclosure 7 - Procedure 12751-MNGP-QP-9.201, Revision 0, Visual Weld Examination
Project stage: Other
ML18100A1852013-04-11011 April 2013
Enclosure 6 - Procedure 12751-MNGP-OPS-01, Revision 0, Spent Fuel Cask Welding: 61BT/BTH NUHOMS Canisters
Project stage: Other
ML18100A1912014-01-30030 January 2014
Enclosure 9 - Structural Integrity Associates, Inc. Report 130415.402, Revision 0, Review of Trivis Inc. Welding Procedures Used for Field Welds on the Transnuclear NUHOMS 61BTH Type 1 & 2 Transportable Canister for BWR Fuel
Project stage: Other
ML18100A1902014-05-22022 May 2014
Enclosure 8 - Structural Integrity Associates, Inc. Report 130415.403, Revision 2, Assessment of Monticello Spent Fuel Canister Closure Plate Welds Based on Welding Video Records
Project stage: Other
ML18011A1582017-12-22022 December 2017
International HI-STORE Cis (Consolidated Interim Storage Facility) License Application Responses to Safeguards Related Requests for Supplemental Information
Project stage: Supplement
ML17249A1572018-01-11011 January 2018, 16 January 2018
Package: Vermont Yankee Nuclear Power Station ISFSI Environmental Assessment and Finding of No Significant Impact Related to Issuance of Exemption to Allow a New Loading Pattern and Loading Fuel Cooled for at Least 2 Years
Project stage: Request
ML18022A1512018-01-16016 January 2018
Memo to A. Hsia Summary of December 12, 2017, Meeting with Pacific Gas & Electric Company to Discuss the Upcoming Submittal of the Application for Renewal of the Humboldt Bay Independent Spent Fuel Storage Installation License
Project stage: Meeting
ML18022A1532018-01-16016 January 2018
Enclosure 2: Agenda (Memo to A. Hsia Summary of December 12, 2017, Meeting with Pacific Gas & Electric Company to Discuss the Upcoming Submittal of the Application for Renewal of the Humboldt Bay ISFSI License)
Project stage: Meeting
ML17249A1592018-01-16016 January 2018
Letter to C. C. Chappell Vermont Yankee Nuclear Power Station ISFSI Environmental Assessment and Finding of No Significant Impact Related to Issuance of Exemption to Allow a New Loading Pattern and Loading Fuel Cooled for at Least 2 Years
Project stage: Approval
ML18022A1542018-01-16016 January 2018
Enclosure 3: Handout-PG&E Presentation on Humboldt Bay ISFSI LRA (Memo to A. Hsia Summary of December 12, 2017, Meeting)
Project stage: Meeting
ML18022A1522018-01-16016 January 2018
Enclosure 1: Meeting Attendees (Memo to A. Hsia Summary of December 12, 2017, Meeting with Pacific Gas & Electric Company to Discuss the Upcoming Submittal of the Application for Renewal of the Humboldt Bay ISFSI License)
Project stage: Meeting
ML18018A0182018-01-17017 January 2018
Letter to K. Manzione Application for Holtec International HI-STORM Umax Multipurpose Canister Storage System License Amendment Request No. 3 to Certificate of Compliance No. 1040 - Accepted for Review
Project stage: Other
ML18018A0192018-01-17017 January 2018
Enclosurequest for Additional Information (Ltr to K. Manzione Application for Holtec International HI-STORM Umax Multipurpose Canister Storage System License Amendment Request No. 3 to Certificate of Compliance No. 1040-Accepted for Review)
Project stage: RAI
ML18018B2972018-01-19019 January 2018
Federal Registered Notice: Correction of Certificate of Compliance No. 1004, Renewed Amendments No. 11, Revision 1 and No. 13, Revision 1
Project stage: Request
ML18022A6122018-01-19019 January 2018
Letter to K. Manzione Amendment No. 4 to Certificate of Compliance No. 1032 for the HI-STORM Flood/Wind Multipurpose Canister Storage System-Request for Additional Information
Project stage: RAI
ML18022A0782018-01-22022 January 2018
Enclosure 1: Revised Title for Figure 1-5 Corrected Technical Specifications for Certificate of Compliance No. 1004 Renewed Amendment No. 11, Revision 1 Enclosure 1
Project stage: Other
ML18022A0792018-01-22022 January 2018
Enclosure 2: Revised Title for Figure 1-5 Corrected Technical Specifications for Certificate of Compliance No. 1004 Renewed Amendment No. 13, Revision 1
Project stage: Other
ML18022A0772018-01-22022 January 2018
Letter to J. Bondre Correction to Tn Americas LLC Technical Specifications for Renewed Amendments No. 11, Revision 1 and No. 13, Revision 1 to Standardized NUHOMS Certificate of Compliance No. 1004 for Spent Fuel Storage Casks
Project stage: Other
ML18022A0762018-01-22022 January 2018
Package: Correction to Title of Figure 1-15 in Technical Specifications for Certificate of Compliance 1004 Renewed Amendments No. 11, Revision 1 and No. 13, Revision 1
Project stage: Request
ML18024A2732018-01-24024 January 2018
Letter to D. G. Stoddard U.S. NRC Approval of Virginia Electric and Power Company Request for Withholding Information from Public Disclosure for North Anna Power Station ISFSI (Cac/Epid Nos. 001028/L-2017-RNW-0010 and 000993/L-2017-LNE-0008
Project stage: Withholding Request Acceptance
ML18031A4572018-01-31031 January 2018
Submittal Date for Response to NRCs Requests for Additional Information (Rais) for License Amendment Request 1032-4 to HI-STORM FW CoC No. 1032 (CAC No. 001028)
Project stage: Request
ML17311A4502018-01-31031 January 2018
ISFSI License Renewal Final Environmental Assessment
Project stage: Other
ML18036A2222018-02-0101 February 2018
International - Transmittal of HI-STORM Umax License Amendment Request No. 3 - Administrative RAI Response
Project stage: Request
ML17298A1342018-02-0202 February 2018
Letter to C. C. Chappell Vermont Yankee Nuclear Power Station Independent Spent Fuel Storage Installation, Issuance of Exemption (CAC No.: 001028, Docket Nos. 50-271, 72-59, and 72-1014; EPID L-2017-LLE-0005)
Project stage: Approval
ML17298A1352018-02-0202 February 2018
Safety Evaluation Report (Letter to C. C. Chappell Vermont Yankee Nuclear Power Station Independent Spent Fuel Storage Installation, Issuance of Exemption (CAC No.: 001028, Docket Nos. 50-271, 72-59, and 72-1014; EPID L-2017-LLE-0005)
Project stage: Approval
ML18031A2282018-02-0606 February 2018
Enclosure 2: Safety Evaluation Report (Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station ISFSI)
Project stage: Approval
ML18031A2252018-02-0606 February 2018
Enclosurenewed License SNM-2507 (Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station Independent Spent Fuel Storage Installation)
Project stage: Approval
ML18031A2272018-02-0606 February 2018
Enclosurenewed License SNM-2507 Technical Specifications (Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station ISFSI)
Project stage: Approval
ML18031A2222018-02-0606 February 2018
Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station Independent Spent Fuel Storage Installation (Cac/Epid Nos. 001028/L-2017-RNW-0010 and 000993/L-2017-LNE-0008)
Project stage: Approval
ML18031A2242018-02-0606 February 2018
Enclosure 1: Preamble-SNM-2507 License Renewal Order (Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station Independent Spent Fuel Storage Installation)
Project stage: Approval
ML18031A2312018-02-0808 February 2018
Federal Register Notice - Notice of Issuance for License Renewal (Letter to D. G. Stoddard Issuance of Renewed Materials License No. SNM-2507 for the North Anna Power Station ISFSI)
Project stage: Approval
ML18053A2222018-02-15015 February 2018
Application for Amendment 1 to the NUHOMS Eos System, Revision O (Docket No. 72-1042)
Project stage: Request
ML18053A2332018-02-15015 February 2018
Enclosure 4: CoC 1042 Amendment 1 Proposed Technical Specifications, Revision 0
Project stage: Request
ML18053A2342018-02-15015 February 2018
Enclosure 6: Proposed Amendment 1, Revision 0 Changes to the NUHOMS Eos System Updated Final Safety Analysis Report, Chapters 1 to 14
Project stage: Request
ML18057A2172018-02-23023 February 2018
Letter to A. Zaremba Request for Additional Information for Review of Duke Energys Decommissioning Funding Plan Update
Project stage: RAI
ML18058A0572018-02-23023 February 2018
Enclosurequest for Additional Information (Letter to J. Giddens Request for Additional Information Regarding Entergy Operations, Inc.S Decommissioning Funding Plan Update)
Project stage: RAI
ML18058A0242018-02-23023 February 2018
Enclosurequest for Additional Information (Letter to G. Van Noordennen Request for Additional Information Regarding Zionsolutions, LLCs Decommissioning Funding Plan Update for Zion Independent Spent Fuel Storage Installation)
Project stage: RAI
ML18058A6082018-02-23023 February 2018
HI-2177593, Rev 0, Holtec International & Eddy Lea Energy Alliance (Elea) Underground CISF - Financial Assurance & Project Life Cycle Cost Estimates
Project stage: Request
ML18058A6072018-02-23023 February 2018
HI-2177565, Rev 0, Holtec International & Eddy Lea Energy Alliance (Elea) Cis Facility - Decommissioning Cost Estimate and Funding Plan
Project stage: Request
ML18058A0562018-02-23023 February 2018
Letter to J. Giddens Request for Additional Information Regarding Entergy Operations, Inc.S Decommissioning Funding Plan Update
Project stage: RAI
ML18058A0232018-02-23023 February 2018
Letter to G. Van Noordennen Request for Additional Information Regarding Zionsolutions, LLCs Decommissioning Funding Plan Update for Zion Independent Spent Fuel Storage Installation
Project stage: RAI
ML18057A2182018-02-23023 February 2018
Enclosurequest for Additional Information (Letter to A. Zaremba Request for Additional Information for Review of Duke Energys Decommissioning Funding Plan Update)
Project stage: RAI
2018-01-11
[Table View] |
Text
August1,2022 ShanaHelton,Director DivisionofFuelManagement OfficeofNuclearMaterialSafetyandSafeguards U.S.NuclearRegulatoryCommission Rockville,MD20852
Subject:
IndianPointEnergyCenterExemptionRequestfortheHISTORM100SVersionECaskAllowable Contents
DearMs.Helton,
TheStateofNewYorkhasreviewedtheHoltecDecommissioningInternational(Holtec)March24,2022 requestseekingNRCapprovalofanexemptionfromanallowablecontentsrequirementcontainedinthe CertificateofCompliance(CoC)No.1014fortheHISTORM100SVersionECask.Specifically,CoCNo.1014, AppendixD,Table2.11,SectionV,MPCMODEL:MPC32M,ItemConlypermitsasingleNeutronSource Assembly(NSA)tobeloadedintotheMultipurposeCanister(MPC).Additionally,Section2oftheFinalSafety AnalysisReport(FSAR)specifiesthattheneutronsourceistobeplacedinthecenterofthecanister1.
HoltechasrequestedtoincreasetheallowablenumberofprimaryPlutoniumBeryllium(PuBe)NSAsinany singleMPC32Mcanisterfromone(1)tofive(5)andupto32secondaryNSAs.Holtecstatesthatthe proposedexemptionwillallowloadingoffuelassembliesfromwhichtheNSAcannotberemovedandthat undersuchconditions,thecurrentCoCrequirementspreventsomefuelassembliesfrombeingloadedintodry storagesystems,thereforepreventingthefullremovalofallassembliesfromtheIndianPointUnit2(IP2)and Unit3(IP3)spentfuelpools.
HoltecsrequestincludesinformationthathasbeendeemedproprietarybytheCompany,withheldfrom publicdisclosure,andisunavailabletothehostStateanditsofficialsandsubjectmatterexperts.Absent accesstothefullcriticality,thermal,anddosecalculationsusedtosupporttherequest,theStateisunableto
1HISTORMFSARpartialRevisionNo.15https://www.nrc.gov/docs/ML1813/ML18130A139.pdf
2
performacompletereview.Wehaveidentifiedanumberofconcernsandoutlinethemherein.Werequest thattheNRCensureallcalculations,evaluations,andanalysesareperformedinadetailed,thorough,and comprehensivemanner.
ThepubliclyavailableversionofHoltecsrequestprovideslimitedfactualinformationonthefuelassemblies andNSAsduetotheassertionthatmuchoftheinformationisproprietary.Asstatedpreviously,proprietary informationisnotavailabletotheStateorthegeneralpublic.Intheabsenceoftheproprietaryinformation, NYSERDAtogetherwiththeDepartmentofPublicServiceandtheDepartmentofHealthparticipatedintwo telephonecallswiththeNRCandonewithHoltectoinformallydiscussspecific,targetedStatequestions.
TheStatesduediligencereviewwasthereforelimitedtothenonproprietaryversionoftheexemption request,publicliterature,andtelephonediscussionswithNRCandHoltec.TheStateoffersthefollowing observationswithaffiliatedrecommendationsforfurtherNRCinquiry:
IncreaseinNeutronDoseMayNegateRationalePresentedinFinalSafetyAnalysisReport ThelatestavailablerevisiontotheHISTORMFinalSafetyAnalysisReport(FSAR)inNRCsADAMSdocument accesssystemisapartialRevisionNo.152,whichstatesthatneutrondoseevaluationsofneutronsource assemblies(NSAs)havenotbeenperformedbecauseonlyasingleNSAispermittedinacanisterandthesingle NSAneutrondoseissmallcomparedtotheassembliestobestored.3AsingleNSAislikelyafewpercentof thetotalneutronpopulation,sothisrationaletoforgodoseevaluationsmightbedeemedacceptablewithin thoseparticularparametersandassumptions.However,increasingthelicensedcanistercontentstoinclude fiveNSAs,asproposedbyHoltec,couldincreasetheneutrononlydoseratebyasmuchas15percent.As such,HoltecsFSARrationaleappearstobenolongertrue,accurate,orapplicable.
DoseratesfortheHISTORMsystemlicensingareshownforboundingconfigurationsandcanbeashighas 3,828mrem/houratlocation2.4Thistheoreticalboundingconfiguration,however,willnotexistatIndian Point.DuetotheuseoftheMPC32Mcanisters,the125tonHITRAC,andfuelwithsignificantlylessburnup thanusedinthelicensingcalculations,actualdoseratesmaybemuchless.
ThecurrentconfigurationallowsoneNSAtobeloadedinthecenterofeachcask,whichhastheeffectof maximizingtheshieldingprovidedbythecask.AdditionalNSAsloadedintothesamecaskwillbeplacedin slotsclosertotheexteriorofthecask,thusreducingthelevelofshielding.LoadinguptofivePlutonium BerylliumNSAsinasinglecask,asproposedbyHoltec,couldresultinactualsurfacedoseratesincreasing
2HISTORMFSARpartialRevisionNo.15https://www.nrc.gov/docs/ML1813/ML18130A139.pdf 3Seesection5.2.7.1onpages558and559.
4Seetable5.1.7onpage520.
3
significantly,duetoboththeadditionaldosecontributionoftheNSAsthemselvesandtheirplacementcloser tothecaskexteriorwallthancurrentlyallowed.
Inatelephonecall,NRCrepresentedthatapprovaloftheHoltecexemptionrequesttoloaduptofive PlutoniumBerylliumNSAsinasinglecaskcouldincreasetotalsurfacedoseratesforcasksatIndianPointbyas muchas28%orabout1,100mrem/hourforatotalsurfacedoseof3,934mrem/hour.5Thisappearstobea verylargeincrease,particularlywhencomparedtotheactualcaskdoseratesratherthanthedesignbasis calculatedvalues,andbringstheFSARrationaleforomittingdoseevaluationintofurtherquestion.
Recommendation1:TheNRCshouldrequireHoltectoperformanupdatedandconservativedose evaluationofaloadedHISTORMcaskwithfivePlutoniumBerylliumNSAsand32secondaryNSAs.
AsLowAsReasonablyAchievable(ALARA)ConcernsHaveNotBeenEvaluated TheabilitytoloaduptofiveNSAsinanindividualcanisterdoesnotappeartobenecessaryforHoltecto completethetransferofallspentfuelintodrycaskstorage.Rather,itappearsthatthereliefrequiredto completethetransferisadditionalflexibilityontheallowableNSAstoragelocationswithinthecasks,in particularforthoseNSAscontainedindamagedfuelassemblies.Ifapproved,theproposedexemptionwill increasesurfacedosesincethelocationsfordamagedfuelarefurtherfromthecaskcenterandwillreceive lessselfshielding.Thus,theexemptionwouldcreateasituationthatunnecessarilyincreasespotentialworker exposure.Indeed,inaJune6thtelephonecall,NRCnotedthatradiationtechniciansmayneedtorequire workerstoincreasethedistanceatwhichtheyperformsomeoftheirworksoastoreduceworkerspersonal exposure.6ThiswouldseemtobecontrarytoALARAprinciplesand,dependingonthespecifictaskinvolved, itmaynotbepossibletoincreasedistance.However,toourknowledge,noestimatesoftheincreaseincrew exposurehavebeenprovidedtoevaluatewhethertheproposedexemptiondoesindeedcomplywiththe principlesofALARA.
Recommendation2:TheNRCshouldrequireHoltectoprovideanevaluationofthepotential increaseinworkerexposureduringloadingoperationsforNRCreview.
5ThisinformationwasprovidedduringateleconferencebetweentheNRCandNYSERDAonJune6th,2022.Weunderstandthatthis estimatebyNRCwasbasedonNRCsevaluationofcalculationsprovidedbyHoltecbuttodateweareunabletofindadocument reflectingthiscalculationonADAMS.
6Ibid.
4
AbsenceofCriticalityAnalysesandConsiderationsforFutureRemovalOffsite Forstoredfueltoberemovedfromthesite,itmustbetransportable.Forittobetransportable,itmustbein casksthatmeettransportationrequirements.ItisunclearwhethertheproposedloadingofuptofiveNSAs, includingNSAsinadamagedfuelassembly,intoanindividualcaskwouldresultinloadedonsitestoragecasks thatwillfailtomeettransportationrequirements.
Norevisedcriticalityanalysesappeartohavebeenperformedfortheproposednewconfiguration.Holtec assertsintheexemptionrequestthatthereisnoincreaseinthecriticalityfactor,Keff,sothereisnocriticality concernand,thus,noneedforrevisedanalyses.However,Holtecintendstoremovethespentfuelpoolsat IndianPointandshouldcomplywiththeNRCsfuelretrievabilityguidance.Toensureconsistencywiththe NRCsInterimStaffGuidance7,thesealedcanistershouldbecompatiblewithatransportationcask.This seemstowarrantanalyzingtheconfigurationofanNSAcontainedinadamagedassembly(togetherina damagedfuelcan)fortransportation.
ToaddresstheStatesconcern,theNRCreferredustotheHISTORMSafetyEvaluationReport,whereinHoltec determinedtheminimumrequiredsolubleboronduringloadingandunloadingconsideringthemostreactive configurationofdamagedfuelandfueldebrisinadditiontononfuelhardwareorneutronsourceassemblies inguidetubesfilledwithboratedwater8.However,theseanalysesandconclusionsdonotaddressthecriteria fortransportationunderconditionswherestructuralintegrityofadamagedassemblyisnotassured,andin particularthecriticalityofadamagedassemblytogetherwithanNSA.Asaresult,itisnotcleartotheState thatretrievabilityhasbeensatisfied.
Asstatedpreviously,iftheloadedonsitestoragecasksfailtomeettransportationrequirements,thecask contentsmayhavetoberemovedandrepackagedpriortotransport.Theseareactivitieswhichwillbe difficultandexpensivewithoutaspentfuelpoolonsite,thusincreasingpotentialworkerdose,theriskof mishaps,andcost.PerformanceofrevisedcriticalityandthermalanalysesnowmayallowtheNRCtotailor theexemptiontoavoidproblemsinthefuture.
Recommendation3:TheNRCshouldrequireHoltectoproviderevisedcriticalityanalysestoensure thatNRCsretrievabilityrequirementsforeventualoffsitetransportationofthespentfuelcasksare met.
7DivisionofSpentFuelStorageandTransportationInterimStaffGuidance(ISG)-2,Rev2.April2016:
https://www.nrc.gov/docs/ML1611/ML16117A080.pdf 8Section7.1.3CriticalityAnalysis,HiStorm100Amendment15SafetyEvaluationReport(SER):
https://www.nrc.gov/docs/ML2111/ML21118A871.pdf
5
Insummary,theStatestronglysupportsthetimelytransferofIndianPointspentfuelintodrycaskstorage.
WealsostronglysupporttimelyandefficientretrievalandremovaloffsitebytheU.S.DepartmentofEnergy (DOE).
NRCsevaluationofchangestoonsitestoragecontainerloadingshouldincludeconsiderationoftheeventual needtotransportthosecontainersandanyNRCapprovalsshouldbemadewithaneyetowardavoiding complicationsdowntheroad.
Ifyouhaveanyquestionsorwouldlikeamoredetailedtechnicalexplanationoftheseconcerns,youmay contactmeat(518)8621090x3274.
Sincerely,
AlysePeterson,P.E.
SeniorAdvisor
cc:
DougTifft,NRC
