ML12025A225
| ML12025A225 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 01/18/2012 |
| From: | Hartz L Dominion, Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| TAC ME6365, 11-620A | |
| Download: ML12025A225 (2) | |
Text
Dominion Nucear Conneetieut, Ie.
5000 Dominion Boulevard, Glen Allen, Virginia 23060 Web Address: www.dom.com January 18, 2012 U. S. Nuclear Regulatory Commission Serial No.
11-620A Attention: Document Control Desk NSSL/WDC RO Washington, DC 20555 Docket No.
50-336 License No.
DPR-65 DOMINION NUCLEAR CONNECTICUT, INC.
MILLSTONE POWER STATION UNIT 2 RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION REGARDING THE CYCLE 21 CORE OPERATING LIMITS REPORT (TAC NO. ME6365)
Dominion Nuclear Connecticut, Inc. (DNC) submitted the Millstone Power Station Unit 2 (MPS2) Cycle 21 Core Operating Limits Report (COLR) to the Nuclear Regulatory Commission (NRC) in a letter dated May 19, 2011. The COLR includes the values of cycle-specific parameter limits and is submitted to the NRC for information. In a letter dated October 24, 2011, the NRC transmitted a request for additional information (RAI) to DNC related to the MPS2 Cycle 21 COLR.
In a letter dated November 30, 2011, DNC responded to the RAIs.
In RAI Question 4, the NRC requested a proprietary AREVA engineering calculation which DNC agreed to provide by January 31, 2012.
The proprietary AREVA engineering calculation is provided in Attachment 1. The non-proprietary version of the calculation is provided in Attachment 2.
It is respectfully requested that Attachment 1 be withheld from public disclosure in accordance with 10 CFR 2.390.
The AREVA application for withholding and affidavit is provided in.
If you have any questions regarding this submittal, please contact Wanda Craft at (804) 273-4687.
Sincerely, L. N. Hartz Vice President - Nuclear ipport Services Attachments:
- 1. Millstone Unit 2 Cycle 21 Peaking Factor Uncertainty Analysis for ICI Detector Misalignment (Proprietary)
- 2. Millstone Unit 2 Cycle 21 Peaking Factor Uncertainty Analysis for ICI Detector Misalignment (Non-Proprietary)
- 3. AREVA Affidavit 7AObI
Serial No. 11-620A Docket No. 50-336 RAI Response for MPS2 Cycle 21 COLR Page 2 of 2 Commitments made in this letter:
- 1. None cc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 C. J. Sanders Project Manager - Millstone Power Station U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 08-B3 Rockville, MD 20852-2738 NRC Senior Resident Inspector Millstone Power Station