RC-14-0083, License Amendment Request - LAR-06-00055, License Amendment Request to Adopt NFPA 805 - Response to Request for Additional Information

License Amendment Request - LAR-06-00055, License Amendment Request to Adopt NFPA 805 - Response to Request for Additional Information

ML14133A410
Person / Time
Site:	Summer
Issue date:	05/11/2014
From:	Gatlin T South Carolina Electric & Gas Co
To:	Shawn Williams Document Control Desk, Office of Nuclear Reactor Regulation
References
RC-14-0083, TAC ME7586
Download: ML14133A410 (2)

Text

Security - Related Information - Thomas D. Gatlin Withhold Under 10 CFR 2.390 Vice President,Nuclear Operations 803.345.4342 Mb1,*&G,5May 11, 2014 A SCANA COMPANY RC-14-0083 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001 Attn: S. A. Williams

Subject:

VIRGIL C. SUMMER NUCLEAR STATION (VCSNS) UNITý 1 DOCKET NO. 50-395 OPERATING LICENSE NO. NFP-12 LICENSE AMENDMENT REQUEST-LAR-06-00055 LICENSE AMENDMENT REQUEST TO ADOPT NFPA 805 RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION

References:

1. Thomas D. Gatlin, SCE&G, Letter to NRC Document Control Desk, License Amendment Request - LAR-06-00055, "License Amendment Request to Adopt NFPA 805 Response to Request for Additional Information" dated May 2, 2014 (RC-14-0067)

2. Shawn A. Williams, NRC, to Thomas D. Gatlin "Virgil C. Summer Nuclear Station Unit - 1 (VCSNS) - Request for Additional Information (TAC NO. ME7586)" dated March 24, 2014 [ML14071A169]

South Carolina Electric & Gas Company (SCE&G), acting for itself and as an agent for South Carolina Public Service Authority pursuant to 10 CFR 50.90, submitted a response to a request for additional information(RAI) on May 2, 2014 (Reference 1).

Corrections have been made to the table contained in the VCSNS response to, Probabilistic Risk Assessment (PRA) RAI 99.

The following changes are contained in attachment 1.:..

- Base Delta CDF results were updated.

- Delta Risk Case CDF and A From Base ACDF results were updated.'

- The column titles located in the Results of Sensitivity Analyses for Alpha 1 Factors for Ignition Sources were updated.

This new table replaces the previous table in the response to .PRA RAI 99 enclosed in RC-14-0067.

This submittal contains no new commitments.

When Separated from Attachments, this Transmittal Document is Decontrolled.

Virgil C.Summer Station . Post Office Box 88

• Jenkinsville, SC .29065 . F(803) 941-9776

Document Control Desk LAR-06-00055 RC-14-0083 Page 2 of 2 If you have any questions about this submittal, please contact Bruce L. Thompson at (803) 931-5042.

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

Executed on Thomas D. Gatlin RLP/TDG/wm

Attachment:

1. Probabilistic Risk Assessment (PRA) Request for Additional Information (RAI)

Response

c: Without Attachments unless noted K. B. Marsh S. A. Byrne J. B. Archie N. S. Cams J. H. Hamilton J. W. Williams W. M. Cherry V. M. McCree (w/Attachments)

S. A. Williams (w/Attachments)

NRC Resident Inspector S. E. Jenkins Paulette Ledbetter K. M. Sutton NSRC RTS (CR-06-00055)

File (813.20)

PRSF (RC-14-0083) (w/Attachments)

When Separated from Attachments, this Transmittal Document is Decontrolled.