ML13282A232
| ML13282A232 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 10/04/2013 |
| From: | James Shea Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML13282A232 (4) | |
Text
Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402 October 4, 2013 10 CFR 50.54(f)
ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Sequoyah Nuclear Plant, Units 1 and 2 Facility Operating License Nos. DPR-77 and DPR-79 NRC Docket Nos. 50-327 and 50-328
Subject:
Revised Seismic Walkdown Reports Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident
References:
- 1. NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident; dated March 12, 2012 (ML12053A340)
- 2. TVA Letter, "Tennessee Valley Authority (TVA) - Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54f) Regarding the Sequoyah Nuclear Plant Seismic Walkdown Results of Recommendation 2.3 of the Near-Term Task Force Review of Insight from the Fukushima Dai-ichi Accident," dated November 27, 2012 (ML12342A132)
- 3. NRC Letter, "Sequoyah Nuclear Plant, Units 1 and 2 - Plan for the Regulatory Audit Regarding Seismic Walkdowns, to Support Implementation of Near-Term Task Force Recommendation 2.3 Related to the Fukushima Dai-ichi Nuclear Power Plant Accident (TAC NOS.
MF0176 and MF0177)," dated July 26, 2013 (ML13143A011)
Printed on recycled paper
U.S. Nuclear Regulatory Commission Page 2 October 4, 2013 On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued Reference 1 to all power reactor licensees and holders of construction permits in active or deferred status. of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Near Term Task Force (NTTF) Recommendation 2.3: Seismic.
By reference 2, TVA submitted to the NRC the Seismic Walkdown Reports as requested per of Reference 1 for Sequoyah Nuclear Plant (SQN) Units 1 and 2. Reference 3 notified TVA of the NRC plans to conduct a regulatory audit on August 27-29, 2013, to verify information and gain a better understanding of TVA's conduct of the seismic walkdowns at SQN.
Based on the results of the regulatory audit, TVA has revised the SQN Units 1 and 2 Seismic Walkdown Reports. The purpose of this letter is to submit the revised Seismic Walkdown Reports to the NRC. Enclosures 1 and 2 provide the SQN Unit 1 and 2 revised Seismic Walkdown Reports, respectively. The revised reports incorporate: clarifications resulting from the NRC audit; corrective actions as documented in TVA's Corrective Action Program from the NRC audit and from TVA's internal Quality Assurance audit performed prior to the NRC audit; and, other editorial changes. The specific changes are noted in the Revision Logs to each revised report. The revised reports in this letter supersede in their entirety the reports submitted in Reference 2.
This letter contains no new regulatory commitments.
If you have questions regarding this matter, please contact Kevin Casey at (423) 751-8523.
I declare under penalty of perjury that the foregoing is true and correct. Executed on the 4th day of October 2013.
Res
- tfully, J.Shea En clsures:
- 1. Sequoyah Nuclear Plant, Unit 1, Fukushima Near-Term Task Force Recommendation 2.3: Seismic Response Report, Revision 1
- 2. Sequoyah Nuclear Plant, Unit 2, Fukushima Near-Term Task Force Recommendation 2.3: Seismic Response Report, Revision 1 cc: See Page 3
U.S. Nuclear Regulatory Commission Page 3 October 4, 2013 Enclosures cc: (w/out Enclosures)
NRC Regional Administrator - Region II NRR Director - NRC Headquarters NRC Senior Resident Inspector - Sequoyah Nuclear Plant NRR Project Manager - Sequoyah Nuclear Plant L. M. Regner, NRR, Japan Lesson Learned Directorate (with Enclosures)
ENCLOSURE 2 SEQUOYAH NUCLEAR PLANT, UNIT 2 FUKUSHIMA NEAR-TERM TASK FORCE RECOMMENDATION 2.3: SEISMIC RESPONSE REPORT, REVISION I