CP-201200738, Day Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

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

ML12201A095
Person / Time
Site:	Comanche Peak
Issue date:	07/10/2012
From:	Madden F, Flores R Luminant Power, Luminant Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CP-201200738, TXX-12108
Download: ML12201A095 (3)

Text

Rafael Flores Luminant Power Luminant Senior Vice President

& Chief Nuclear Officer rafael.flores@luminant.com P 0 Box 1002 6322 North FM 56 Glen Rose, TX 76043 T 254 897 5590 C 817 559 0403 F 254 897 6652 CP-201200738 10 CFR 50.54(f)

Log # TXX-12108 July 10, 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 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

2. NRC Letter, Endorsement of Electric Power Research Institute (EPRI) Draft Report 1025286, "Seismic Walkdown Guidance," dated May 31, 2012

Dear Sir or Madam:

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. Enclosure 3 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Recommendations 2.3 for Seismic. This letter provides Luminant Generation Company, LLC's 120-day response to Reference 1 for Seismic Recommendation 2.3 for Comanche Peak Nuclear Power Plant.

For seismic Recommendation 2.3 (walkdowns), Enclosure 3 of Reference I states that each licensee will confirm that they intend to use the NRC-endorsed seismic walkdown procedure or provide to the NRC a description of the process that will be used to conduct the walkdowns and develop the needed information.

Luminant Generation Company, LLC confirms that it will use the seismic walkdown guidance (EPRI 1025286, "Seismic Walkdown Guidance: For Resolution of Fukushima Near-Term Task Force Recommendation 2.3: Seismic") as endorsed by Reference 2 to conduct the walkdowns and develop the needed information at Comanche Peak Nuclear Power Plant.

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway - Comanche Peak Diablo Canyon PaloVerde - San Onofre- South Texas Project

• Wolf Creek

U. S. Nuclear Regulatory Commission TXX-12108 Page 2 of 2 07/10/12 This letter contains regulatory commitments as shown on Attachment 1.

Should you have any questions concerning the content of this letter, 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 July 10, 2012.

Sincerely, Luminant Generation Company LLC Rafael Flores By: _ _ _ _

Fred W. Madden Director, Oversight & Regulatory Affairs Attachments: 1. List of Regulatory Commitments c- E. J. Leeds, Director, Office of Nuclear Reactor Regulation E. E. Collins, Region IV B. K. Singal, NRR Resident Inspectors, Comanche Peak

Attachment 1 List of Regulatory Commitments The following table identifies the regulatory commitments in this document. Any other statements in this submittal represent intended or planned actions. They are provided for information purposes and are not considered to be regulatory commitments.

SCHEDULED COMMITMENT COMMITMENT COMPLETION DATE Luminant Generation Company, LLC confirms that it will use the seismic walkdown guidance (EPRI 1025286, "Seismic Walkdown Guidance: For Resolution of Fukushima Near-Term Task Force Recommendation 2.3: Seismic") as endorsed by Reference 2 to 4430943 11/27/2012 conduct the walkdowns and develop the needed information at Comanche Peak Nuclear Power Plant.