ML13002A487
| ML13002A487 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 11/27/2012 |
| From: | James Shea Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML13002A487 (3) | |
Text
Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402 November 27, 2012 10 CFR 50.54(f)
U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Browns Ferry Nuclear Plant, Units 1, 2, and 3 Facility Operating License Nos. DPR-33, DPR-52, and DPR-68 NRC Docket Nos. 50-259, 50-260, and 50-296
Subject:
Tennessee Valley Authority (TVA) - Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding the Browns Ferry Nuclear Plant Seismic Walkdown Results 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. NRC Letter, Endorsement of Electric Power Research Institute (EPRI) Draft Report 1025286, "Seismic Walkdown Guidance," dated May 31, 2012 (ML12145A529)
- 3. TVA Letter, Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding the Seismic Aspects for Recommendation 2.3 of the Near-Term Task Force (NTTF) Review of Insights from the Fukushima Dai-ichi Accident; dated July 10, 2012 (ML12193A509)
On March 12, 2012, the NRC issued Reference 1 to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 3 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Near Term Task Force (NTTF) Recommendation 2.3: Seismic.
Do02 Printed on recycled paper
U.S. Nuclear Regulatory Commission Page 2 November 27, 2012 The Electric Power Research Institute (EPRI) subsequently developed guidance for the performance of seismic walkdowns, and the NRC endorsed this guidance on May 31, 2012 (Reference 2). On July 10, 2012, TVA provided a required response to item 1 in of Reference 1 (Reference 3), informing the NRC that it intended to perform the seismic walkdown in accordance with the EPRI guidance.
TVA has completed the seismic walkdown in accordance with the EPRI guidance. The purpose of this letter is to provide TVA's required response to Recommendation 2.3, item 2 in Enclosure 3 of Reference 1. Specifically, Enclosures 1, 2, and 3 of this letter provide the Seismic Walkdown Reports for the Browns Ferry Nuclear Plant, Units 1, 2, and 3, respectively. There were no areas that were unable to be inspected due to inaccessibility at Browns Ferry Nuclear Plant, Unit 1. The areas that were unable to be inspected due to inaccessibility at Browns Ferry Nuclear Plant, Units 2 and 3, are described in Section 5.1, Enclosures 2 and 3. Two Individual Plant Examination of External Events (IPEEE) vulnerabilities were also identified and resolutions defined as described in Section 7 of Enclosure 2. to this letter contains a list of 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 27th day of November 2012.
Resp
- tfully, Shea President, Nuclear Licensing
Enclosures:
- 1. Browns Ferry Nuclear Plant, Unit 1, Fukushima Near-Term Task Force Recommendation 2.3: Seismic Response Report
- 2. Browns Ferry Nuclear Plant, Unit 2, Fukushima Near-Term Task Force Recommendation 2.3: Seismic Response Report
- 3. Browns Ferry Nuclear Plant, Unit 3, Fukushima Near-Term Task Force Recommendation 2.3: Seismic Response Report
- 4. List of Commitments cc: See Page 3
U.S. Nuclear Regulatory Commission Page 3 November 27, 2012 cc (Enclosures):
NRC Regional Administrator - Region II NRR Director - NRC Headquarters NRC Senior Resident Inspector - Browns Ferry Nuclear Plant NRR Project Manager - Browns Ferry Nuclear Plant