ML110140585

Extension for Response to Request for Additional Information Regarding Generic Letter 2008-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems

ML110140585
Person / Time
Site:	Watts Bar
Issue date:	01/12/2011
From:	Krich R M Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-08-001
Download: ML110140585 (3)

Text

Tennessee Valley Authority 1101 Market Street, LP 3R Chattanooga, Tennessee 37402-2801 R. M. Krich Vice President Nuclear Licensing January 12, 2011 10 CFR 50.4 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 1 Facility Operating License No. NPF-90 NRC Docket No. 50-390

Subject:

Extension for Response to Request for Additional Information Regarding Generic Letter 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems"

Reference:

Letter from NRC to TVA, "Watts Bar Nuclear Plant, Unit 1 -Request for Additional Information Regarding Generic Letter 2008-01, 'Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems,' (TAC No. MD7895)," dated December 1, 2010 By letters dated May 9, 2008, June 6, 2008, July 11, 2008, October 11, 2008, and January 19, 2010, Tennessee Valley Authority (TVA) provided responses to Generic Letter (GL) 2008-01, "Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems," for Watts Bar Nuclear Plant, Unit 1. By letter dated December 1, 2010 (Reference), the NRC requested additional information (RAI)regarding GL 2008-01. In the Reference letter, the NRC documented that TVA's response be provided by January 12, 2011.As part of its GL 2008-01 response activities, TVA identified the need for several specific actions to be taken at the plant, including one that is scheduled to be completed on January 13, 2011. In order to provide a more complete response to the RAI that includes discussion of the planned action, TVA intends to submit the RAI response on January 14, 2011. This was discussed and agreed to during conversation with John Lamb (NRC) and Rod Cook (TVA), January 12, 2011.printed on recycled paper U.S. Nuclear Regulatory Commission Page 2 January 12, 2011 There are no new regulatory commitments contained in this letter. If you have any questions concerning this issue, please contact Josh Perrel at (423) 751-7737.Respectfully, R. M. Krich cc: NRC Regional Administrator

-Region II NRC Senior Resident Inspector-Watts Bar Nuclear Plant U.S. Nuclear Regulatory Commission Page 3 January 12, 2011 JWS bcc: NRC Project Manager -Watts Bar Nuclear Plant G. P. Arent C. Carey T. J. Carter W. D. Crouch K. Dutton D. E. Grissette S. Krupski M. McFadden J. A. Perrel C. J. Riedl J. W. Shea P. D. Swafford E. J. Vigluicci R. J. Whalen EDMS, WT CA-K T. J. Bradshaw (NSRB Support)