CP-201201407, 120-Day Response to NRC Request for Information Pursuant to 10 CFR 50.54 (F) Regarding the Flooding Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-Ichi Accident

120-Day Response to NRC Request for Information Pursuant to 10 CFR 50.54 (F) Regarding the Flooding Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-Ichi Accident

ML12340A433
Person / Time
Site:	Comanche Peak
Issue date:	11/27/2012
From:	Madden F Luminant Generation Co, Luminant Power
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CP-201201407, TXX-12177
Download: ML12340A433 (2)

Text

Rafael Flores Luminant Power P 0 Box 1002 Luminant Senior Vice President

& Chief Nuclear Officer rafael.flores@luminant.com 6322 North FM 56 Glen Rose, TX 76043 T 254 897 5590 C 817 559 0403 F 254 897 6652 CP-201201407 10 CFR 50.54(f)

Log # TXX-12177 November 27, 2012 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001

SUBJECT:

COMANCHE PEAK NUCLEAR POWER PLANT, DOCKET NOS. 50-445 AND 50-446, 120-Day Response to NRC Request for Information Pursuant to 10 CFR 50.54 (f)

Regarding the Flooding 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

2. Letter dated May 31, 2012 from D. L. Skeen, USNRC, to A. P. Heymer, NEI, "Endorsement of Nuclear Energy Institute (NEI) 12-07, Guidelines for Performing Verification Walkdowns of Plant Flood Protection Features"

Dear Sir or Madam:

On March 12, 2012, the Nuclear Regulatory Commission (NRC) staff issued a 10 CFR 50.54(f) letter to all power reactor licensees and holders of construction permits in active or deferred status (Reference 1). Enclosure 4 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Recommendation 2.3, Flooding. This letter provides Luminant Generation Company, LLC's 180-day response to Reference 1 regarding flooding walkdowns for Comanche Peak Nuclear Power Plant (CPNPP) Units 1 & 2.

For Recommendation 2.3, Flooding, Enclosure 4, item 2 of Reference 1 requires that within 180 days of NRC's endorsement of the walkdown procedure (Reference 2), CPNPP submit its final response for the requested information.

The enclosure to this letter contains CPNPP's final response to Reference 1, Enclosure 4, Recommendation 2.3: Flooding. The enclosure includes a list of any areas that were unable to be inspected due to inaccessibility and a discussion of the acceptability of areas or components.

There are no regulatory commitments made by CPNPP in this response.

A member of the STARS Alliance Callaway

• Comanche Peak

• Diablo Canyon

• Palo Verde

• San Onofre. South Texas Project

• Wolf Creek

U. S. Nuclear Regulatory Commission TXX-12177 Page 3 of 3 11/27/12 If you have any questions concerning this matter, please contact Dennis Buschbaum at 254-897-5851 or dennis.buschbaum@luminant.com.

I state under penalty of perjury that the foregoing is true and correct.

Executed on November 27, 2012.

Sincerely, Luminant Generation Company LLC Rafael Flores By:

Fred W. Madden Director, Oversight & Regulatory Affairs

Enclosure:

Comanche Peak Nuclear Power Plant (CPNPP) Units 1 & 2 Post Fukushima Flooding Walkdown Report c- E. J. Leeds, Director, Office of Nuclear Reactor Regulation E. E. Collins, Region IV N. F. O'Keefe, Region IV B. K. Singal, NRR Resident Inspectors, Comanche Peak