ML23229A004
| ML23229A004 | |
| Person / Time | |
|---|---|
| Issue date: | 08/22/2023 |
| From: | Carol Moyer, Sayoc E NRC/NRR/DNRL/NLIB |
| To: | |
| References | |
| Download: ML23229A004 (1) | |
Text
Subsequent License Renewal Guidance Update GALL-SLR/SRP-SLR Notable Proposed Revisions Structural U.S. Nuclear Regulatory Commission Emmanuel Sayoc, Carol Moyer August 22, 2023
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Background===
General Reminders
- Public comment period 7/11/23 to 9/11/23.
- Purpose of this meeting is o to interact with the public regarding SLR Guidance o to provide an overview of the revision process and significant updates o to offer recommendations on how to best formulate comments to facilitate staff adjudication or resolution.
- No Staff decisions, findings, or commitments to be made during these public meetings.
- Comments should be submitted in writing with sufficient detail, justification or explanation.
o Mark up of proposed changes is highly recommended 3
Submission of Comments
- Preferred Method oGo to https://www.regulations.gov and search for Docket ID NRC-2023-0096.
oSubmit comments online.
- Alternate Method oMail comments to: Office of Administration, Mail Stop: TWFN-7-A60M, U.S.
Nuclear Regulatory Commission, Washington, DC 20555-0001, ATTN: Program Management, Announcements and Editing Staff.
- Deadline September 11, 2023 4
Guidance Documents for Subsequent License Renewal (SLR)
- NUREG-2191, Generic Aging Lessons Learned for Subsequent License Renewal, (GALL-SLR) o Revision 0, published May 2017, Vol 1. ML17187A031, Vol 2. ML17187A204 o Revision 1, Draft for Comment, published July 2023, Vol 1. ML23180A182, Vol 2. ML23180A188
- NUREG-2192, Standard Review Plan for Review of Subsequent License Renewal Applications for Nuclear Power Plants, (SRP-SLR) o Revision 0, published May 2017, ML17188A158 o Revision 1, Draft for Comment, published July 2023, ML23180A191 o Revision 1, Draft for Comment, Corrected Tables 3.1-1 and Table 3.2-1, published August 2023, ML23213A036
- NUREG-2221, Technical Bases for Changes in the Subsequent License Renewal Guidance Documents NUREG-2191 and NUREG-2192, (Tech. Basis Doc.)
o Published Dec 2017, ML17362A126 o Supplement 1, Draft for Comment, Published July 2023, ML23180A208 5
Public Comment Period: 7/11/23 to 9/11/23
Bases for Updates to SLR Guidance Documents
- Revised and new guidance based on:
oNew or updated industry guidance, and Codes and standards oPlant operating experience oResearch oTo fill gaps or make technical revisions in guidance identified from previous SLR reviews
- Substantive corrections
- Incorporate completed SLR-ISGs since initial SLR guidance development.
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Summary of Notable Proposed Revisions (Structural)
Incorporation of Completed Interim Staff Guidance (ISGs)
- Structural ISG (SLR-ISG-2021-03-STRUCTURES) issued 2/18/2021 (ML20181A381) 8
AMP XI.S6 Structures Monitoring
- Added wooden poles as a structural component requiring an aging management review.
obased on the review of recent SLRAs, odue to the service life of wooden poles
- Changes to the SRP-SLR and GALL-SLR Report provide guidance on adequate management of aging effects in wooden poles
- Recommend a further evaluation to help determine applicable inspection method and frequency of inspection for the wooden poles.
AMP XI.S6 Structures Monitoring, XI.S7 Inspection of Water-Control Structures Redefined Chapter IX environments to include raw water, groundwater, or soil (aggressiveness defined by pH level, chlorides level (ppm), and sulfates level (ppm).
Update XI.S6, Structures Monitoring, Detection of Aging Effects program element to add reinforced concrete structural fire barriers (walls, ceilings, and floors) for visual inspection in accordance with GALL-SLR Report AMP 10 XI.M26.
11 Questions and Discussion