ML22153A135

Proposed License Amendment Request (LAR) - Removal of Refueling Water Chemical Addition Tank and Replacement of Containment Sump Buffer - Response to Request for Additional Information

ML22153A135
Person / Time
Site:	Surry
Issue date:	06/02/2022
From:	Lawrence D Virginia Electric & Power Co (VEPCO)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
22-144
Download: ML22153A135 (7)

Text

VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 June 2, 2022 VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION UNITS 1 AND 2 PROPOSED LICENSE AMENDMENT REQUEST CLAR}

Serial No.:

NRA/GDM:

Docket Nos.:

License Nos.:

10 CFR 50.90 22-144 R1 50-280/281 DPR-32/37 REMOVAL OF REFUELING WATER CHEMICAL ADDITION TANK AND REPLACEMENT OF CONTAINMENT SUMP BUFFER RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION By letter dated September 30, 2021 (ADAMS Accession No. ML21277A065), Virginia Electric and Power Company (Dominion Energy Virginia) submitted an LAR for Surry Power Station (SPS) Units 1 and 2 to eliminate the Refueling Water Chemical Addition Tank and allow the use of sodium tetraborate decahydrate (NaTB) to replace sodium hydroxide (NaOH) as a chemical additive (buffer) for containment sump pH control following a loss-of-coolant accident (LOCA).

By letter dated November 29, 2021 (ADAMS Accession No. ML21334A169),

Dominion Energy Virginia submitted supplemental information in support of the LAR.

On April 19, 2022, the NRC provided a request for additional information (RAI) to facilitate their review of the LAR (ADAMS Accession No. ML22110A205).

Dominion Energy Virginia's response to the N RC RAI is provided in the attachment. The additional information does not affect the conclusions of the significant hazards consideration determination or the -

environmental assessment included in the September 30, 2021 LAR.

Should you have any questions or require additional information, please contact Mr. Gary D. M" er at (804) 273-2771.

Douglas C. Lawr ce Vice President - Nuclear Engineering and Fleet Support COMMONWEAL TH OF VIRGINIA COUNTY OF HENRICO The foregoing document was acknowledged before me, in and for the County and Commonwealth aforesaid, today by Mr. Douglas C.

Lawrence, who is Vice President - Nuclear Engineering and Fleet Support, 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 thisB day of C \\0¢,.

, 2022.

My Commission Expires: QYjuA.+  ', Z.02 3.