ML14006A273
| ML14006A273 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim (DPR-035) |
| Issue date: | 12/12/2013 |
| From: | Division of Nuclear Materials Safety I |
| To: | |
| References | |
| Download: ML14006A273 (27) | |
Text
NRCWebinar DryCaskStorageofNuclearFuel atPilgrimNuclearPowerPlant Dec. 12, 2013
OverviewofPresentation
- DryCaskStorageandHowItWorks
- Licensing&CertificationProcess
- NRCInspection&Oversight
- PlansforDryCaskStorageatPilgrim
- Summary
WhytheNeed forDryCask?
Reprocessingofspent fuelnotanoption Nonationalrepository forspentfueltodate Poolsmeantfor temporarystorage encountercapacityissues
HistoricalandProjectedSNFDischarges
0 10 20 30 40 50 60 70 80 Number of ISFSIs Year Specific Licensees General Licensees Total ISFSIs
- 65licensed ISFSIsitesin theU.S.
- Morethan 1,160loaded drycasks DryCaskStorage
SpentFuelStorageCasks
BWRAssemblyDecayHeatCurve
TheLoading Process Stainlesssteelcask isplacedintopool Techniciansmove spentfuel assembliesintothe cask
TransferofCaskintoOverpack
WeldedCanister-OverpackSystem
VideoofDryCaskStorageProcess http://www.youtube.com/watch?v=mILvWNgggfU
Regulatedunder10CFRPart72 TwoLicensingOptions:
SiteSpecificLicense:
Availabletoanyapplicants Requiredforawayfromreactorsites ApplicationsubmittedtoNRCforapproval OpportunityforHearing GeneralLicense(10CFRPart72,SubpartK):
Addedin1990inresponsetoNuclearWastePolicyActof1982 Availableonlytonuclearreactor(Part50/Part52)licensees RequiresuseofstoragecaskcertifiedbyNRCthroughrulemaking (72.214)
Requiressiteevaluationforcompatibilitywithcaskdesign,subjectto inspection(72.212)
ThisistheoptionthatEntergyispursuingforPilgrim ISFSILicensingOptions
StorageCaskLicensing
&CertificationProcess
- TechnicalAreas Considered:
Structural Thermal Shielding Criticality Confinement Materials QualityAssurance
- AccidentsConsidered:
Earthquakes Fires Floods Lightning Tornado-AirFlow Blockage CaskDrops-CaskTip Over
FloodingEvaluationforDryCaskStorage Casksmustbedesignedtowithstandsevereflooding
NRCInspection&Oversight
- Vendordesignandfabricationprogramsinspected every3yearsbyheadquartersinspectors
- InitialISFSIoperationsprogram inspectedbyheadquartersand regionalinspectorsduringpad constructionthroughfirstcaskloading
- ISFSIoperationsprograminspectedevery2yearsby regionalinspectors
- ResidentInspectorsperformdaytodayoversightof plantoperations
- GeneralLicense(10CFRPart50&72)
- 18thISFSIinRegionI
- PlantModifications&Construction inFall2013Spring2014
- CaskLoadinginSummer/Fall2014
- InitialCampaign 3Casks PilgrimDryCaskStoragePlans
Summary
- Sincethelate1980s,plantownershaveeffectively demonstratedthattheycansafelyloadspentfuelinto drycaskstoragesystemsandtransferloadedcasksto ISFSIs
- PilgrimplanstoconstructandoperateanISFSIin accordancewiththeNRCsGeneralLicense requirements
- NRChasextensiveexperienceintheregulationand oversightofISFSIsandplanstoperformongoingand comprehensiveinspectionactivitiesatPilgrim
Questions Questionsmay alsoemailedto opa1@nrc.gov