ML12199A060

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

ML12199A060
Person / Time
Site:	Palo Verde
Issue date:	07/10/2012
From:	Mims D Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-06546-DCM/MAM/DLK
Download: ML12199A060 (2)

Text

10 CFR 50.54(f)

LAM A subsidiaryof PinnacleWest CapitalCorporation Dwight C. Mims Mail Station 7605 Palo Verde Nuclear Senior Vice President Tel. 623-393-5403 P.O. Box 52034 Generating Station Nuclear Regulatory and Oversight Fax 623-393-6077 Phoenix, Arizona 85072-2034 102-06546-DCM/MAM/DLK July 10, 2012 U.S. Nuclear Regulatory Commission Attn: Document Control Desk 11555 Rockville Pike Rockville, MD 20852

References:

1. NRC Letter, Request for Information Pursuantto Title 10 of the Code of FederalRegulations 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-ichiAccident, dated March 12, 2012

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

dated May 31, 2012

Subject:

Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2, and 3 Docket Nos. STN 50-528, STN 50-529, and STN 50-530 Arizona Public Service Company's (APS) 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 On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued Reference 1 to APS. Enclosure 3 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Recommendation 2.3 for Seismic. This letter provides APS's 120-day response to Reference 1 for Seismic Recommendation 2.3 for PVNGS.

For Seismic Recommendation 2.3 (walkdowns), Enclosure 3 of Reference 1 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.

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway 0 Comanche Peak 0 Diablo Canyon 0 Palo Verde 0 San Onofre

• South Texas 0 Wolf Creek

102-06546-DCM/MAM/DLK July 10, 2012 ATTN: Document Control Desk U.S Nuclear Regulatory Commission 120-Day Response to 10 CFR 50.54(f) Letter Regarding Recommendations 2.3 Page 2 APS 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 PVNGS.

This letter contains no new regulatory commitments.

Should you have any questions regarding this letter, please contact Mark McGhee, Operations Support Manager, Regulatory Affairs at (623) 393-4972.

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

Executed on 1//0//1 (Date)

Sincerely, DCM/MAM/DLK/hsc cc: E. J. Leeds NRC Director, Office of Nuclear Reactor Regulation E. E. Collins Jr. NRC Region IV Regional Administrator L. K. Gibson NRC NRR Project Manager M. A. Brown NRC Senior Resident Inspector for PVNGS