ML083450716
| ML083450716 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 11/25/2008 |
| From: | Baxter D Duke Energy Carolinas |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML083450716 (3) | |
Text
Duke DAVE BAXTER Vice Fresident tEnergy.
Oconee Nuclear Station Duke Energy Corporation ONOI VP/7800 Rochester Highway Seneca, SC 29672 November 25, 2008 864-885-4460 864-885-4208 fax dabaxter@dukeenergy.com U. S. Nuclear Regulatory Commission Attn:
Document Control Desk Washington, DC 20555-0001
Subject:
Duke Energy Carolinas, LLC Oconee Nuclear Station, Units 1, 2, and 3 Docket Nos. 50-269, 50-270, 50-287 Supplemental Response to Request for Additional Information Associated with Cyber Security Features of the Oconee Nuclear Station Reactor Protective System and Engineered Safeguards Protective System Digital Upgrade Duke Energy Carolinas, LLC (Duke) provided responses to two request for additional information (RAI) questions associated with the cyber security features of the Reactor Protective System (RPS) and Engineered Safeguards Protective System (ESPS) design change by letters dated September 30, 2008, and November 6, 2008. The Enclosure provides additional information associated with Duke's responses.
The Enclosure contains a description of a design feature that secures the RPS/ESPS from electronic vulnerabilities. As such, Duke considers the information in the Enclosure sensitive information and requests that it be withheld from public disclosure pursuant to 10 CFR 2.390.
If there are any questions regarding this submittal, please contact Boyd Shingleton at (864) 885-4716.
I declare under penalty of perjury that the foregoing is true and correct. Executed on November 25, 2008.
Very truly yours, Dave Baxter, Site Vice President Oconee Nuclear Station
Enclosure:
Supplemental Response to NRC Request for Additional Information S.ooI Enclosure contains Security-Related Information-Withhold under 10 CFR 2.390 "00 www. cuke-energy. comr
U. S. Nuclear Regulatory Commission November 25, 2008 Page 2 cc:
with enclosure Mr. L. N. Olshan, Project Manager Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 0-14 H25 Washington, D. C. 20555 w/o enclosure Mr. L. A. Reyes, Regional Administrator U. S. Nuclear Regulatory Commission - Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. G.A. Hutto Senior Resident Inspector Oconee Nuclear Station S. E. Jenkins, Manager Infectious and Radioactive Waste Management Section 2600 Bull Street Columbia, SC 29201 Enclosure contains Security-Related Information-Withhold under 10 CFR 2.390
U. S. Nuclear Regulatory Commission November 25, 2008 Page 3 bcc:
w/o enclosure J. H. Bryan B. G. Davenport R. J. Freudenberger J. E. Burchfield L. F. Vaughn R. L. Gill - NRI&A R. D. Hart - CNS K. L. Ashe - MNS R. V. Gambrell D. C. Richardson M. E. Bailey NSRB, EC05N ELL, ECO50 File - T.S. Working ONS Document Management Enclosure contains Security-Related Information-Withhold under 10 CFR 2.390