ML14230A908

Enclosure - Elements of an AMP CC ISFSI - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L24475

ML14230A908
Person / Time
Site:	Calvert Cliffs
Issue date:	08/18/2014
From:	Goshen J M NRC/NMSS/SFST
To:
Goshen J M
Shared Package
ML14230A903	List: ML14230A908 ML14230A909 ML14230A910 ML14230A911 ML14230A913
References
TAC L24475
Download: ML14230A908 (12)

Text

Eltf El emen t s o f anAgingManagement Program Aging Management ProgramDivision of Spent Fuel Storage and TransportationOffifNlMtilSftdSfd Offi ce o f N uc l ear M a t er i a l S a f e t y an d S a f eguar d sU.S. Nuclear Regulatory CommissionMeeting to Discuss the Request for Additional Information Responses Regarding the Calvert Cliffs Independent Spend Fuel Storage Facility License Renewal July 17, 2014 1

Regulatory Basis10 CFR 72.42(a), 72.240(c): 1.TLAAs that demonstrate that ITS SSCs will continue to perform their intended function for the period of extended operation.2.A description of the AMP for management of issues associated with agingthatcouldadverselyaffectITSSSCs aging that could adversely affect ITS SSCs.Guidance: NUREG-1927 AMP Elements:

1ScopeoftheProgram 6AcceptanceCriteria 1.Scope of the Program2.Preventive Actions3.Parameters Monitored/Inspected 4.DetectionofAgingEffects 6.Acceptance Criteria7.Corrective Actions 8.Confirmation Process 9.AdministrativeControlsFor in-scope SSCs, detailed AMPs addressing the 10 elements ldtffiittffidfftitfi 4.Detection of Aging Effects5.Monitoring and Trending 9.Administrative Controls10.Operating Experience l ea d t o e ffi c i en t s t a ff rev i ews an d e ff ec ti ve managemen t o f ag i ng effects 2 AMP Element 1:ScopeoftheProgram Scope of the Program NUREG-1927:The scope of the program should include the specific structures andcomponentssubjecttoanAMR and components subject to an AMRIdentifies:In-sco p e com p onents and subcom p onentspppMaterials of constructionService environmentA g in g mechanisms for material/environment combination ggAging effects associated with each aging mechanism 3

AMP Element 2:PreventiveActions Preventive Actions NUREG-1927:

Preventive actions should mitigate or prevent the applicableagingeffects applicable aging effectsActions to minimize, control, or prevent the degradation mechanism, e.g. NRC-endorsed criteria (peak cladding temperatures below ISG-11, 3liitdidi)ddtddt rev. 3 li m it d ur i ng d ry i ng), consensus co d es an d s t an d ar d s, e t c.4 AMP Element 3:ParametersMonitored/Inspected Parameters Monitored/

Inspected NUREG-1927:

Parameters monitored or inspected should be linked to the effects ofagingontheintendedfunctionsoftheparticularstructureandcomponent of aging on the intended functions of the particular structure and componentIdentifies:Parameters (e.g. cracking size moni toring, rate of material loss, temperature, neutron fluence, etc.)Location(s) to be monitored or inspected (e.g. at highest heat location, neutron fluenceat 1 m from cask)Learning/Proactive/Responsive AMP:Operational experience and other quality data (tollgates)Informs parameters monitored/inspected (tiered approach) 5 AMP Element 4:DetectionofAging Effects Detection of Aging Effects NUREG-1927:Define method or technique, frequency, sample size, data collectionandtimingtoensuretimelydetectionofagingeffects collection , and timing to ensure timely detection of aging effectsIdentifies:Method/technique (e.g. visual, volumetric, and/or surface inspections or surveys)surveys)Frequency of inspection (e.g. inspection intervals)Sample size (dependent on operational experience trending)CalibrationofequipmentCalibration of equipment Data collection (clearinghouse for operational experience)Timing (new or one-time inspections, time of year)Li/Pti/Ri AMPL earn i ng/P roac ti ve/R espons i ve AMP:Operational experience and other quality data (tollgates)Consensus codes and standards Ifthd/thifdttiifft/hi 6I n f orms me th o d s/t ec h n i ques f or d e t ec ti ng ag i ng e ff ec t s/mec h an i sms (tiered approach)

AMP Element 5:Monitoring&Trending Monitoring

& Trending NUREG-1927:Should provide for prediction of the extent of the effects of aging andtimelycorrectiveor mitigative actions and timely corrective or mitigative actionsTrending of aging effects (e.g. corrosion rate, crack growth rate, etc.)Assess effects per prior inspections and industry-wide operational i exper i enceLearning/Proactive/Responsive AMP

Operational experience and other quality data (tollgates)Informs monitoring and trending 7

AMP Element 6:AcceptanceCriteria Acceptance Criteria NUREG-1927:Acceptance criteria, against which the need for corrective action will beevaluated;shouldensurethatSSCfunctionsaremaintained be evaluated; should ensure that SSC functions are maintainedCriteria for inspections, assessing aging effects, and decision-makingEstablish technical basis for s pecific acce ptance criteria ppDomestic and international consensus codes and standards whenever practicable, or previously justified and established criteriaSeparate criteria should be provided for each aging effectAlternative criteria may be used if justified:Supporting technical basis (OpEand/or engineering analysis/standards)Avoid non-quantifiable phrases (e.g. significant, moderate, minor, little, etc.)Learning/Proactive/Responsive AMP

Operational experience and other quality data (tollgates)Informs acceptance criteria 8

AMP Element 7:CorrectiveActions Corrective Actions NUREG-1927:Corrective actions, including root cause determination andpreventionofrecurrenceshouldbetimely prevention of recurrence , should be timelyCAP commensurate with 10CFR72 Subpart G, or 10CFR50 Appendix BMaintenance plans and/or corrective actions for specific degradation fft(iltitititiiti&tt f e ff ec t s (e.g. repa i r, rep l acemen t , m iti ga ti on ac ti v iti es, & ex t en t o f condition)Actions to prevent reoccurrenceJustificationfor actionssuchasrepairreplaceand/ormitigateJustification for actions such as repair , replace , and/or mitigateAnalysis of how action may affect other subcomponentsConsideration of corrective actions on other componentsPlansfor OpEincorporationintotheremediationplanPlans for OpE incorporation into the remediation planLearning/Proactive/Responsive AMP

Operational experience and other quality data (tollgates)Informscorrectiveactions 9Informs corrective actions AMP Element 8:

Confirmation Process Confirmation Process NUREG-1927:

The confirmation process should ensure that preventive actions areadequateandappropriatecorrectiveactionshavebeencompletedandare are adequate and appropriate corrective actions have been completed and are effectiveElement should reference:Quality Assurance Program consistent with 10CFR72 Subpart G, or 10CFR50 Appendix B.Methods to confirm adequate actions are taken, and are verified as ffti e ff ec ti ve 10 AMP Element 9:

Administrative Controls Administrative Controls NUREG-1927:

Administrative controls should provide a formal review and approvalprocess approval processElements should reference:Qualit y Assurance Pro g ram consistent with 10CFR72 Sub p art G , or ygp, 10CFR50 Appendix B.Inspector requirementsRecord retention requirementsReview process of inspection resultsFrequency/methods for:reporting inspection results to NRCevaluating suitability of AMP based on industry-wide OpE(tollgates) 11 AMP Element 10:OperatingExperience Operating Experience NUREG-1927:

Include past corrective actions; provide objective evidence to supportadeterminationthattheeffectsofagingwillbeadequatelymanagedso support a determination that the effects of aging will be adequately managed so that the SSC intended functions will be maintained during the period of extended operationCriticalelementtoLearning/Proactive/ResponsiveAMPCritical element to Learning/Proactive/Responsive AMPReferenceand evaluate applicable Operational Experience:Industry-wideCondition Reports, Corrective Action Reports, NRC InformationNotices Applicable i ndustry i nitiatives(egDOEcask Information Notices , Applicable i ndustry i nitiatives (e.g. DOE cask demo, EPRI-sponsored inspections) 12