ML18166A351: Difference between revisions
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{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 | {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 18, 2018 MEMORANDUM TO: Brian E. Thomas, Director Division of Engineering Office of Nuclear Regulatory Research FROM: Dogan Seber, Chief /RA/ | ||
-0001 | Structural, Geotechnical, and Seismic Engineering Branch Division of Engineering Office of Nuclear Regulatory Research | ||
Brian E. Thomas, Director Division of Engineering Office of Nuclear Regulatory Research FROM: | |||
==SUBJECT:== | ==SUBJECT:== | ||
RESULTS OF PERIODIC REVIEW OF REGULATORY GUIDE (RG) 1.57 DESIGN LIMITS AND LOADING COMBINATIONS FOR METAL PRIMARY REACTOR CONTAINMENT SYSTEM COMPONENTS This memorandum documents the US Nuclear Regulatory Commission (NRC) periodic review of Regulatory Guide (RG) 1.57, Revision 2, | RESULTS OF PERIODIC REVIEW OF REGULATORY GUIDE (RG) 1.57 DESIGN LIMITS AND LOADING COMBINATIONS FOR METAL PRIMARY REACTOR CONTAINMENT SYSTEM COMPONENTS This memorandum documents the US Nuclear Regulatory Commission (NRC) periodic review of Regulatory Guide (RG) 1.57, Revision 2, Design Limits and Loading Combinations for Metal Primary Reactor Containment System Components, .The RG issued in June 1973 with revisions in March 2007 and May 2013, describes an approach that the staff of the NRC considers acceptable for use in designing metal primary reactor containment system components and approves methods for demonstrating structural integrity. As discussed in Management Directive 6.6, Regulatory Guides, the NRC staff reviews RGs approximately every 5 years to ensure that the RGs continue to provide useful guidance. Documentation of the NRC staff review is enclosed. | ||
As discussed in Management Directive 6.6, | Based on the results of the periodic review, the staff concludes that RG 1.57 need not be updated until a further need arises for NRCs licensing activities and recommends to continue with the current version of the Regulatory Guide. However, if NRCs licensing activities presents a need for revision in the near future, the NRC staff will perform a complete review analyzing the need from the user office and provide a plan and timeframe to address the issues. | ||
the NRC staff reviews RGs approximately every 5 years to ensure that the RGs continue to provide useful guidance. Documentation of the NRC staff review is enclosed. | |||
Based on the results of the periodic review, the staff concludes that RG 1.57 need not | |||
==Enclosure:== | ==Enclosure:== | ||
As stated | As stated CONTACT: Ramón L. Gascot, RES/DE/SGSEB 301-415-2004 | ||
ML18166A350 OFFICE RES/DE/RGGIB RES/DE/SGSEB RES/DE/RGGI | ML18166A350 OFFICE RES/DE/RGGIB RES/DE/SGSEB RES/DE/RGGI SUNSI RES/DE/SGSEB RES/DE/ | ||
B Review RGGIB NAME J. Parks R. Gascot E. ODonnell E. ODonnell D. Seber H. | |||
Karagiannis for T. Boyce DATE 6/15/18 6/15/18 6/15/18 6/15 /18 6/18/18 6/19 /18}} | |||
Latest revision as of 23:16, 20 October 2019
| ML18166A351 | |
| Person / Time | |
|---|---|
| Issue date: | 06/18/2018 |
| From: | Dogan Seber NRC/RES/DE/SGSEB |
| To: | Bernard Thomas NRC/RES/DE |
| O'Donnell E | |
| Shared Package | |
| ML18166A350 | List: |
| References | |
| RG-1.057, Rev 2 | |
| Download: ML18166A351 (2) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 18, 2018 MEMORANDUM TO: Brian E. Thomas, Director Division of Engineering Office of Nuclear Regulatory Research FROM: Dogan Seber, Chief /RA/
Structural, Geotechnical, and Seismic Engineering Branch Division of Engineering Office of Nuclear Regulatory Research
SUBJECT:
RESULTS OF PERIODIC REVIEW OF REGULATORY GUIDE (RG) 1.57 DESIGN LIMITS AND LOADING COMBINATIONS FOR METAL PRIMARY REACTOR CONTAINMENT SYSTEM COMPONENTS This memorandum documents the US Nuclear Regulatory Commission (NRC) periodic review of Regulatory Guide (RG) 1.57, Revision 2, Design Limits and Loading Combinations for Metal Primary Reactor Containment System Components, .The RG issued in June 1973 with revisions in March 2007 and May 2013, describes an approach that the staff of the NRC considers acceptable for use in designing metal primary reactor containment system components and approves methods for demonstrating structural integrity. As discussed in Management Directive 6.6, Regulatory Guides, the NRC staff reviews RGs approximately every 5 years to ensure that the RGs continue to provide useful guidance. Documentation of the NRC staff review is enclosed.
Based on the results of the periodic review, the staff concludes that RG 1.57 need not be updated until a further need arises for NRCs licensing activities and recommends to continue with the current version of the Regulatory Guide. However, if NRCs licensing activities presents a need for revision in the near future, the NRC staff will perform a complete review analyzing the need from the user office and provide a plan and timeframe to address the issues.
Enclosure:
As stated CONTACT: Ramón L. Gascot, RES/DE/SGSEB 301-415-2004
ML18166A350 OFFICE RES/DE/RGGIB RES/DE/SGSEB RES/DE/RGGI SUNSI RES/DE/SGSEB RES/DE/
B Review RGGIB NAME J. Parks R. Gascot E. ODonnell E. ODonnell D. Seber H.
Karagiannis for T. Boyce DATE 6/15/18 6/15/18 6/15/18 6/15 /18 6/18/18 6/19 /18