ML18075A123
| ML18075A123 | |
| Person / Time | |
|---|---|
| Site: | Palisades, Indian Point, Grand Gulf, Pilgrim, Arkansas Nuclear, River Bend, Vermont Yankee, Waterford, Big Rock Point, FitzPatrick  |
| Issue date: | 03/20/2018 |
| From: | Couture P Entergy Corp |
| To: | Office of Nuclear Reactor Regulation |
| Purnell B, NRR/DORL/LPLIII, 415-1380 | |
| References | |
| Download: ML18075A123 (8) | |
Text
Surveillance Frequency Control Program UFSAR Change Considerations Phil Couture Manager, Fleet Licensing Programs March 20, 2018
1 Applicability NEI9607(Section4.1.2)recognizesthatmaintenance activitiesarenotsubjectto50.59 Maintenance activities are not subject to 10 CFR 50.59, but are subject to the provisions of 10 CFR 50.65(a)(4) as well as technical specifications.
Changes to procedures for performing maintenance are made in accordance with applicable 10 CFR Part 50, Appendix B, criteria and licensee procedures...10 CFR 50.59 does not apply to such changes becausechanges to procedures for performing maintenance do not permanently alter the design, performance requirements, operation or control of SSCs.
1
1 Applicability PerNEI9607(Section4.1.2),50.59appliesto maintenanceactivitiesinthefollowingcases:
- The plant is not restored to its original condition upon completion of the maintenance activity (e.g., if SSCs are removed, the design, function or operation is altered, or if temporary alteration in support of the maintenance is not removed). In this case, 10 CFR 50.59 would be applied to the permanent change to the plant.
- Temporary alterations in place greater than 90 days 2
1 Applicability NEI9607(Section4.1.2)containsguidanceon updatingtheUFSARforchangestosurveillance frequencies If a change to a maintenance procedure affects information in the UFSAR (e.g., a specific test or maintenance frequency),
the affected information should be updated in accordance with 10 CFR 50.71(e).
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1 Applicability NEI9607(Section4.1.3)recognizesthatnotallUFSAR changesaregovernedby50.59
[M]odifications to the UFSAR that are not the result of activities performed under 10 CFR 50.59 are not subject to control under 10 CFR 50.59.
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1 Applicability 10CFR50.65(a)(3)requiresperformanceandcondition monitoringandrequiresadjustmentstobemadebased onoperatingexperience(i.e.,surveillancetestfailures)
Steps1820ofNEI0410incorporateperformance monitoringandcheckandadjustfeedback mechanisms 5
1 TreatmentofUFSARChanges ASSUMPTIONS
- ChangetoaTSsurveillancefrequencyusingtheSFCPresults inneedtorevisetheUFSAR
- AffectedUFSARsectionreferencesaindustrycodeor standarduponwhichtheprior(i.e.,preSFCPchange) surveillancefrequencywasbased
- ThechangetotheTSsurveillancefrequencyresultsina deviationfromtheindustrycodeorstandardreferencedin theUFSARforthesurveillancefrequencyonly
- AnFSARdescribedindustrycodeorstandardisnota regulatorycommitment,perthedefinitionofregulatory commitmentinNEI9904 6
1 TreatmentofUFSARChanges PROCESS
- 1. NEI0410evaluationprovidesjustificationfor extendingasurveillancefrequencyandrevisingthe SFCP
- 2. Associatedmaintenanceproceduresareupdatedin accordancewith10CFR50AppBcriteria
- 3. CorrespondingUFSARchangeismadein accordancewith10CFR50.71(e)withjustification providedbysteps1and2above 7
1 Summary
- 10CFR50.59doesnotapplytochangestomaintenance activities,withexceptions
- Maintenanceactivitiesaregovernedby10CFR50.65(a)(4)andTS
- NEI0410evaluationprovidesjustificationforextendingaTS surveillancefrequencyandrevisingtheSFCP
- NEI0410incorporates10CFR50.65(a)(3)performancemonitoring
- Procedurerevisionstoreflectchangestosurveillancefrequencies, includingthosespecifiedinFSARcodes/standards,arecontrolledas maintenanceactivitiesunder10CFR50.65and10CFR50AppB
- NotallUFSARchangesaregovernedby10CFR50.59
- CorrespondingUFSARchangesforTSsurveillancefrequency extensionsaremadeinaccordancewith10CFR50.71(e) 8