GNRO-2012/00068, 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

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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
ML12194A549
Person / Time
Site: Grand Gulf Entergy icon.png
Issue date: 07/10/2012
From: Mike Perito
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2012/00068
Download: ML12194A549 (4)
v • d • e


Text

SEn tergy Entergy Operations, Inc.

P. O. Box 756 Port Gibson, MS 39150 Michael Perito Vice President, Operations Grand Gulf Nuclear Station Tel. (601) 437-6409 GNRO-2012/00068 July 10, 2012 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852

SUBJECT:

Entergy's 120-Day Response to NRC Request for Information (RFI)

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 Grand Gulf Nuclear Station, Unit 1 Docket No. 50-416 License No. NPF-29

Reference:

1. NRC letter to Entergy, RFI Pursuantto Title 10 of the Code of Federal Regulations 50.54(o RegardingRecommendations 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 (GNRI-2012/00059)

(ML12053A340)

2. NRC Letter, Endorsement of Electric PowerResearch Institute (EPRI)

Draft Report 1025286, "Seismic Walkdown Guidance, dated May 31, 2012 (ML12145A529)

Dear Sir or Madam:

On March 12, 2012, the NRC issued Reference 1 to all power reactor licensees.

Enclosure 3 of Reference 1 contains specific Requested Actions, Requested Information, and a Required Response associated with Recommendation 2.3 for Seismic. This letter provides Entergy Operations', Inc. (Entergy's) 120-day response to Reference I for Seismic Recommendation 2.3 for Grand Gulf Nuclear Station (GGNS).

Recommendation 2.3: Seismic 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 to develop the needed information.

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GNRO-2012/00068 Page 2 of 2 Entergy confirms that it will use the seismic walkdown procedure (EPRI Report 1025286, "Seismic Walkdown Guidance: For Resolution of Fukushima Near-Term Task Force Recommendation 2.3: Seismic") as endorsed by Reference 2 as the basis for conducting the walkdowns and develop the needed information at GGNS.

The new commitment contained in this submittal is summarized in the attachment.

Should you have any questions concerning the content of this letter, please contact Christina L. Perino at 601-437-6299.

I declare under penalty of perjury that the foregoing is true and correct. Executed on July 10, 2012.

MP/jas

Attachment:

List of Regulatory Commitments cc: Mr. Elmo Collins Regional Administrator U. S. Nuclear Regulatory Commission, Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 U. S. Nuclear Regulatory Commission Attn: Director, Office of Nuclear Reactor Regulation One White Flint North 11555 Rockville Pike Rockville, MD 20852 NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 39150 U. S. Nuclear Regulatory Commission Attn: Mr. A. Wang, NRR/DORL Mail Stop OWFN/8 G14 11555 Rockville Pike Rockville, MD 20852

Attachment to GNRO-2012/00068 List of Regulatory Commitments

Attachment to GNRO-2012/00068 Page 1 of 1 List of Regulatory Commitments The following table identifies those actions committed to by Entergy in this document. Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitments.

TYPE SCHEDULED (Check One) COMPLETION COMMITMENT ONE- DATE TIME CONTINUING (If Required)

ACTION COMPLIANCE Entergy confirms that it will use the X November 27, 2012 seismic walkdown procedure (Electric Power Research Institute Report 1025286, "Seismic Walkdown Guidance:

For Resolution of Fukushima Near-Term Task Force Recommendation 2.3:

Seismic") as endorsed by Reference 2 as the basis for conducting the walkdowns and develop the needed information at Grand Gulf Nuclear Station.

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