ML13037A301

Response to March 12, 2012 Request for Information Enclosure 2, Recommendation 2.1, Flooding, Required Response 1, Integrated Assessment Approach

ML13037A301
Person / Time
Site:	North Anna
Issue date:	01/29/2013
From:	Heacock D Virginia Electric & Power Co (VEPCO)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
13-010
Download: ML13037A301 (3)

Text

VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 January 29, 2013 U.S. Nuclear Regulatory Commission Serial No.13-010 Attention: Document Control Desk NL&OS/WDC RO Washington, DC 20555 Docket Nos. 50-338/339 License Nos. NPF-4/7 VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS I AND 2 RESPONSE TO MARCH 12, 2012 REQUEST FOR INFORMATION ENCLOSURE 2, RECOMMENDATION 2.1, FLOODING, REQUIRED RESPONSE 1, INTEGRATED ASSESSMENT APPROACH

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, Accession No. ML12053A340.

2. NRC Japan Lessons-Learned Project Directorate, JLD-ISG-2012-05, Guidance for Performing the Integrated Assessment for External Flooding, Interim Staff Guidance, Revision 0, dated November 30, 2012, Accession No. ML12311A214.

3. NRC Letter, D.L. Skeen (NRC) to J.E. Pollock (NEI), Trigger Conditions for Performing an Integrated Assessment and Due Date for Response, dated December 3, 2012, Accession No. ML12326A912.

On March 12, 2012, the NRC issued Reference 1 to request information associated with Near-Term Task Force (NTTF) Recommendation 2.1 for Flooding. One of the required responses in that letter directed licensees to submit an approach for developing an Integrated Assessment Report, including criteria for identifying vulnerabilities, within 60 days after issue of the NRC's guidance on the subject. On November 30, 2012, the NRC issued the Interim Staff Guidance (Reference 2). The following is Virginia Electric and Power Company's (Dominion) 60-day response.

Dominion will use the Reference 2 guidance as the approach for developing the NTTF 2.1 flooding Integrated Assessment Report for North Anna Power Station Units 1 and 2 if the reevaluated flooding hazard is not bounded by the current design basis flooding evaluation.

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Serial No.13-010 Docket Nos. 50-338/339 Page 2 of 3 Dominion will also use the guidance provided by Reference 3 regarding the trigger conditions and scope of any required Integrated Assessment.

If you have any questions regarding this information, please contact Mr. Thomas Shaub at (804) 273-2763.

Sincerely, David A. Heacock President and Chief Nuclear Officer Virginia Electric and Power Company VICKI L.HULL Notary Public Commonwealth of Virginia 140542 My Commission Expires May 31. 2014 COMMONWEALTH OF VIRGINIA )

COUNTY OF HENRICO )

The foregoing document was acknowledged before me, in and for the County and Commonwealth aforesaid, today by David A. Heacock, who is President and Chief Nuclear Officer of Virginia Electric and Power Company. He has affirmed before me that he is duly authorized to execute and file the foregoing document in behalf of that company, and that the statements in the document are true to the best of his knowledge and belief.

Acknowledged before me this 0.idayo 2013.

My Commission Expires: atA 34_.

Notary Public Commitments made in this letter: No new regulatory commitments

Serial No.13-010 Docket Nos. 50-338/339 Page 3 of 3 cc: U.S. Nuclear Regulatory Commission, Region II Regional Administrator 245 Peachtree Center Ave. NE Suite 1200 Atlanta, Georgia 30303-1257 Dr. V. Sreenivas Project Manager U.S. Nuclear Regulatory Commission One White Flint North, Mail Stop 08 G-9A 11555 Rockville Pike Rockville, MD 20852-2738 K. R. Cotton Project Manager U.S. Nuclear Regulatory Commission One White Flint North, Mail Stop 08 G-9A 11555 Rockville Pike Rockville, MD 20852-2738 NRC Senior Resident Inspector North Anna Power Station J. E. Reasor, Jr.

Old Dominion Electric Cooperative Innsbrook Corporate Center, Suite 300 4201 Dominion Blvd.

Glen Allen, Virginia 23060