ML13247A755
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| ML13247A755 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 09/04/2013 |
| From: | James Kim Division of Operating Reactor Licensing |
| To: | Bartron W Dominion Nuclear Connecticut |
| Kim J, NRR/DORL, 301-415-4125 | |
| References | |
| TAC MF1780 | |
| Download: ML13247A755 (1) | |
Text
From:
Kim, James Sent:
Wednesday, September 04, 2013 4:13 PM To:
William D Bartron (william.d.bartron@dom.com)
Cc:
Wanda D Craft (wanda.d.craft@dom.com); MaryLou L Calderone (marylou.l.calderone@dom.com)
Subject:
MPS3 UHS - NRC RAI (September 4, 2013)
- Bill, Please provide the responses to Millstone 3 Ultimate Heat Sink RAI questions shown below.
- Thanks, Jim Kim REQUEST FOR ADDITIONAL INFORMATION By CONTAINMENT AND VENTILATION BRANCH MILLSTONE 3 TECHNICAL SPECIFICATION CHANGES REGARDING ULTIMATE HEAT SINK TEMPERATURE INCREASE DOCKET NO. 50-423 SCVB-RAI-1 Reference 1, Attachment 1, Section 5.11, please describe the methodology used in the containment analysis of record implemented by 10 CFR 50.59 that used service water temperature of 80oF and included correction of Mass and Energy (M&E) errors identified in Westinghouse Nuclear Safety Advisory Letter (NSAL)-11-5, "Westinghouse LOCA Mass and Energy Release Calculation Issues," dated July 25, 2011 and the specific Millstone Power Station Unit 3 (MPS3) error.
SCVB-RAI-2 Reference 1, Attachment 1, Section 5.11, states:
The reconciliation of other aspects of the revised containment pressure and temperature analyses has been implemented under 10CFR50.59.
Please list and describe the other aspects of containment pressure and temperature analysis implemented under 10 CFR 50.59.
SCVB-RAI-3 Please confirm that in the 10 CFR 50.59 changes implemented, the requirements of General Design Criterion (GDC) 16, 38, and 50 of 10 CFR 50 Appendix A are met.
Reference
- 1. Dominion Letter to NRC dated May 3, 2013, Dominion Nuclear Connecticut, Inc. Millstone Power Station Unit 3 License Amendment Request for Changes to Technical Specification 3/4.7.5, "Ultimate Heat Sink", (ADAMS Accession Number ML13133A032).