ML11207A426

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Emergency Response Data System (ERDS) Changes
ML11207A426
Person / Time
Site: Millstone  Dominion icon.png
Issue date: 07/18/2011
From: Macmanus R
Dominion Nuclear Connecticut
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
11-370
Download: ML11207A426 (2)


Text

zVDi iio Dominion Nuclear Connecticut, Inc.

Millstone Power Station Rope Ferry Road Waterford, CT 06385 JUL TO 2011 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Serial No.

MPS Lic/WEB Docket Nos.

License Nos.11-370 RO 50-336 50-423 DPR-65 NPF-49 DOMINION NUCLEAR CONNECTICUT, INC.

MILLSTONE POWER STATION UNITS 2 AND 3 EMERGENCY RESPONSE DATA SYSTEM (ERDS) CHANGES This letter is being submitted pursuant to the requirements of 10 CFR 50, Appendix E, Section VI, Paragraph 3.b - Maintaining Emergency Response Data Systems (ERDS), for Dominion Nuclear Connecticut, Inc. (DNC) Millstone Power Station Units 2 and 3.

DNC will make modifications to the ERDS software by converting from a dial-up modem system to a more reliable internet based utility using the Public R*Time server and an NRC supplied Virtual Private Network (VPN) appliance in September 2011. The NRC ERDS Resource desk was notified of this pending change via email on July 8, 2011.

This information is being provided per 10 CFR 50 Appendix E, VI, 3.b which states "hardware and software changes, with the exception of data point modifications, that could affect the transmission format and computer communication protocol to the ERDS must be provided to the NRC as soon as practicable and at least 30 days prior to the modification."

If you have any questions or require additional information, please contact Mr. William D. Bartron at (860) 444-4301.

Sincerely, R. K. MacManus Director, Nuclear Station Safety and Licensing Commitments made in this letter: None AOD0 tuLjý-

Serial No.11-370 Docket Nos. 50-336, 50-423 ERDS Changes Page 2 of 2 cc:

U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 C. J. Sanders NRC Project Manager U. S. Nuclear Regulatory Commission One White Flint North Mail Stop 08B3 11555 Rockville Pike Rockville, MD 20852-2738 NRC Senior Resident Inspector Millstone Power Station