ML23066A202
| ML23066A202 | |
| Person / Time | |
|---|---|
| Site: | 07109396 |
| Issue date: | 02/20/2023 |
| From: | Adkins H Pacific Northwest National Laboratory |
| To: | Coleman J, Schilthelm S, Shargots S, Waksman J, Bernie White Idaho National Lab, Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML23066A201 | List: |
| References | |
| Download: ML23066A202 (1) | |
Text
1 Bernie White From:
Adkins, Harold E <Harold.Adkins@pnnl.gov>
Sent:
Monday, February 20, 2023 5:00 PM To:
Bernie White; Schilthelm, Steve W; Shargots, Scott J; jeff.waksman@sco.mil; justin.coleman@inl.gov Cc:
Coles, Garill A; Short, Steve M; Lowry, Peter P (PNNL); Maheras, Steven J; Condon, Caitlin A; Phillips, Jon R; Hay, Laura M; Freeman, Trenton; Mendenhall, John (contr-sco); hkhalil@anl.gov; Emington, David (contr-sco)
Subject:
[External_Sender] RE: Proposed risk-based transportation licensing methodology report.
Attachments:
Distribution Statement A - Project Pele Transportation PRA - PNNL-XXXXX (Draft) (20230219).pdf
DearAddressed,
Attachedyouwillfindacopyoftheriskinformedlicensingmethodologyreportthathadbeenclearedforpublic release.Thereportisbeingsuppliedasadraftfornowasindicatedbythesuperficialdocumentnumberandlackof formalcompliancetocustomaryPNNLdocumentformatrequirements.Thisdraftrepresentationwasselectedto expediteprovisiontoNRCandBWXT,andprimarilyincludesfocusonthebaseevaluationcasetoillustratepathwayand processfordevelopmentofthetransportationPRAmethodology.Thisreportprovidesademonstrationimplementation oftheplanpreviouslyprovidedtoNRC(PNNL33524PlanforDevelopmentandApplicationofRiskAssessment ApproachforTransportationPackageApprovalofanMNPPforDomesticHighwayShipment)forahypotheticalonetime groundsurfaceshipmentbytruckoftheProjectPelemicroreactorwithirradiatedfuel.Notethatthisreportdoesnot currentlyincludethesensitivityevaluationsasthesesupportingevaluationsaredependentonvendorspecificsystem informationthathasnotyetbeenmadeavailabletoPNNLstaffandSMEs.
TheTNPPPRAmodeldiscussedinthisreportisenvisionedtobeaninprocessmodelthatisupdatedastheProjectPele microreactordesignmaturesandasrefinedinformation(e.g.,releasefractions)becomesavailable.Furtherdetailed designandsafetyanalysisinformationthatwillbeforthcominginPhaseIIoftheProjectPeleisneededtobetterinform theTNPPtransportationPRAstudy.However,totheextentthattheinformationwasavailableinPhaseIB,itisreflected intheTNPPtransportationPRAstudypresentedinthisdraftreport.
Aspreviouslydiscussed,thisdemonstrationimplementation,oncecomplete,isintendedtobeusedasaguideor templateforthedevelopmentofahypotheticalriskinformedexemptionrequesttotheNRCbytheProjectPele microreactorvendorforaonetimegroundsurfaceshipmentbytruck.Asalsodiscussed,PNNLstaffandSMEsplanto followupwitharevisedreport,withthehelpandinclusionofvendorinput,byMay31,2023thatthevendorcanthen useasatemplatetopopulateandfinalizeanapplicationcontainingahypotheticalriskinformedexemptionrequest.
Bernie,IdidnotincludeanyNRCparticipantsotherthanyourselfasIonlyhaveafractionoftheparticipatingNRCstaff emailaddresses.Assuch,couldyoupleasedistributethereporttotheNRCstaffthatwerepreviouslyidentifiedonthe participantlist(alsoplacedonNRCBoxaccount)aswellasanyotherNRCstaffyoudeemprudenttosocializethe informationwith.
Pleasedirectanyquestionsrelatedtothismethodologythatyouorotherstaffmayhavetomeasthecentralpointof contactandIwillworkwithsupportingstaffandSMEstoprovideanswers.
Thanksagain.
Harold E. Adkins, Jr.
Senior Research Engineer Computational Fluids and Mechanics Pacific Northwest National Laboratory 902 Battelle Boulevard
2 P.O. Box 999, MSIN K7-15 Richland, WA 99352 USA Tel: 509-372-6629 Cel: 509-521-9208 Fax: 509-375-3865 Harold.Adkins@pnnl.gov www.pnnl.gov