ML15232A026
| ML15232A026 | |
| Person / Time | |
|---|---|
| Site: | Millstone, Surry, North Anna  |
| Issue date: | 08/13/2015 |
| From: | Mark D. Sartain Dominion, Dominion Resources Services, Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 15-333, GL-2004-02 | |
| Download: ML15232A026 (3) | |
Text
Dominion Resources Services, Inc.*
Innsbrook Technia Ceonter omJi ifnion 5000 Dominion Boulevard, 2SE, Glen Allen, VA 23060 August 13, 2015 U.S. Nuclear Regulatory Commission Serial No.15-333 Attention: Document Control Desk NL&OS/GDM R0 One White Flint North Docket Nos.
50-336/423 11555 Rockville Pike 50-338/339 Rockville, MD 20852-2738 50-280/281 License Nos.
DPR-65/NPF-49 NPF-4/7 DPR-32/37 DOMINION NUCLEAR CONNECTICUT, INC. (DNC)
VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
MILLSTONE POWER STATION UNITS 2 AND 3 NORTH ANNA AND SURRY POWER STATIONS UNITS 1 AND 2 NRC GENERIC LETTER (GL) 2004-02, POTENTIAL IMPACT OF DEBRIS BLOCKAGE ON EMERGENCY REClRCULATION DURING DESIGN BASIS ACCIDENTS AT PRESSURIZED-WATER REACTORS COMMITMENT CHANGE By letters dated May 14, 2013 (ML13140A095) for Surry Power Station Units I and 2 and May 15, 2013 (ML13141A277 and ML13141A278) for Millstone Power Station Units 2 and 3 and North Anna Power Station Units 1 and 2, respectively, Virginia Electric and Power Company (Dominion) and Dominion Nuclear Connecticut, Inc. (DNC) notified the NRC that they would be implementing GS1-191 Closure Option 2A-Deterministic for each plant to address the downstream in-vessel debris effects issue associated with resolution of GL 2004-02.
These letters also included regulatory commitments for providing resolution plans and implementation schedules to the NRC for resolving downstream in-vessel debris effects within 60 days of the Pressurized Water Reactor Owners Group (PWROG) establishing new in-vessel debris acceptance criteria.
By letter dated July 17, 2015, the PWROG submitted WCAP-17788, "Comprehensive Analysis and Test Program for GS1-191 Closure (PA-SEE-I1090)," to the NRC for review and acceptance for referencing in regulatory actions.
However, developing and submitting plant-specific resolution plans and implementation schedules prior to the completion of NRC review and approval of the WCAP and issuance of an associated Safety Evaluation Report (SER) is premature and potentially could be counterproductive should the NRC not endorse the WCAP as written or impose restrictions and/or conditions not presently specified in WCAP-17788. Consequently, Dominion and DNC herein revise the regulatory commitments discussed above for Millstone Power Station Units 2 and 3 and North Anna and Surry Power Stations Units I and 2 as follows:
Serial No.15-333 Docket Nos. 50-280/281/336/423/338/339 GL 2004-02 Commitment Change Page 2 of 3 Commitment Expected Cornpletion Date Dominion and ONC will develop plans for Within six months following the issuance of demonstrating compliance with the the NRC SER for PWROG WCAP-1 7788.
PWROG WCAP-1 7788 in-vessel debris acceptance criteria and communicate that plan to the NRC in a final updated supplemental response to support closure of GL 2004-02.
Should you have any questions or require additional information, please contact Mr. Gary D. Miller at (804) 273-2771.
Respectfully, Mark Sartain Vice President - Nuclear Engineering COMMONWEALTH OF VIRGINIA COUNTY OF HENRICO II I
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The foregoing document was acknowledged before me, in and for the County and Commonwealth aforesaid, today by Mr. Mark Sartain, who is Vice President - Nuclear Engineering of Virginia Electric and Power Company and Dominion Nuclear Connecticut, Inc. 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 13* " day of J*
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I-, 2015.
My Commission Expires:
I-i/CA /
Notary-Pubic
Serial No.15-333 Docket Nos. 50-280/281/336/423/338/339 GL 2004-02 Commitment Change Page 3 of 3 cc:
U.S. Nuclear Regulatory Commission Region I 2100 Renaissance Blvd, Suite 100 King of Prussia, PA 19406-2713 U.S. Nuclear Regulatory Commission - Region II Marquis One Tower 245 Peachtree Center Avenue, NE Suite 1200 Atlanta, GA 30303-1257 Mr. R. V. Guzman NRC Senior Project Manager Millstone 2 and 3 U.S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 C-2 11555 Rockville Pike Rockville, MD 20852-2738 Ms. K. R. Cotton Gross NRC Project Manager Surry U.S. Nuclear Regulatory Commission One White Flint North Mail Stop 08 G-9A 11555 Rockville Pike Rockville, MD 20852-2738 Dr. V. Sreenivas NRC Project Manager North Anna 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 Millstone Power Station NRC Senior Resident Inspector North Anna Power Station NRC Senior Resident Inspector Surry Power Station