ML16175A608

Supplement to Proposed License Amendment Request on Realistic Large Break Loss of Coolant Accident Analysis

ML16175A608
Person / Time
Site:	Millstone
Issue date:	06/15/2016
From:	Huber T Dominion Nuclear Connecticut
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML16175A609	List: ML16175A608
References
16-185A
Download: ML16175A608 (7)

Text

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Dominion Nuclear Connecticut, Inc.

5000 Dominion Boulevard, Glen Allen, VA 23060 Web Address: www.dorn.com PROPRIETARY*INFORMATION-WITHHOLD UNDER 10 CFR 2.390 June 15, 2016 U.S. Nuclear Regulatory Commission Serial No. 16-185A Attention: Document Control Desk NRA/WDC RO Washington, DC 20555 Docket No. 50-336 License No. DPR-65 DOMINION NUCLEAR CONNECTICUT, INC.

MILLSTONE POWER STATION UNIT 2 SUPPLEMENT TO PROPOSED LICENSE AMENDMENT REQUEST REALISTIC LARGE BREAK LOSS OF COOLANT ACCIDENT ANALYSIS In a letter dated May 25, 2016, Dominion Nuclear Connecticut, Inc. (DNC) requested an amendment, in the form of a change to the Technical Specifications (TS) to Facility Operating License Number DPR-65 for Millstone Power Station Unit 2 (MPS2). The proposed changes would add the AREVA topical report EMF-2103(P)(A), "Realistic Large Break Loss of Coolant Accident (RLBLOCA) Methodology for Pressurized Water Reactors," to MPS2 TS 6.9.1.8.b, "Core Operating Limits Report," which lists the analytical methods used to determine the core operating limits.

In a presubmittal meeting on May 3, 2016, Dominion stated to the NRC staff that a summary of the calculated input variables for the case set provided in the MPS2 RLBLOCA LAR could also be provided on digital media. Attachment 1 provides a digital version of the information previously provided in the LAR.

Attachment 1 contains proprietary AREVA information. 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 Attachment 2.

If you have any questions regarding this request, please contact Wanda Craft at (804) 273-4687.

Sincerely, 6~

Thomas R. Huber Director - Nuclear Regulatory Affairs Attachment 1 contains proprietary information that is being withheld from public disclosure under 10 CFR 2.390. Upon separation of Attachment 1 , this letter is decontrolled.

Serial No. 16-185A Docket No. 50-336 Page 2 of 2 Attachments:

1. Summary of Calculated Input Variables for Case Set (DVD)

2. AREVA Application for Withholding and Affidavit Commitments made in this letter: None cc: U.S. Nuclear Regulatory Commission (w/o attachments)

Region I 2100 Renaissance Blvd, Suite 100 King of Prussia, PA 19406-2713 R. V. Guzman Senior Project Manager - Millstone Power Station U.S. Nucle*ar Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 08 C2 Rockville, MD 20852-2738 NRC Senior Resident Inspector (w/o attachments)

Millstone Power Station Director, Radiation Division (w/o attachments)

Department of Energy and Environmental Protection 79 Elm Street Hartford, CT 06106-5127

Serial No. 16-185A Docket No. 50-336 ATTACHMENT 1

SUMMARY

OF CALCULATED INPUT VARIABLES FOR CASE SET DOMINION NUCLEAR CONNECTICUT, INC.

MILLSTONE POWER STATION UNIT 2

Serial No. 16-185A Docket No. 50-336 ATTACHMENT 2 AREVA APPLICATION FOR WITHHOLDING AND AFFIDAVIT DOMINION NUCLEAR CONNECTICUT, INC.

MILLSTONE POWER STATION UNIT 2

AFFIDAVIT COMMONWEALTH OF VIRGINIA )

) SS.

CITY OF LYNCHBURG )

1. My name is Nathan E. Hottle. I am Manager, Product Licensing, for AREVA Inc. (AREVA) and as such I am authorized to execute this Affidavit.

2. I am familiar with the criteria applied by AREVA to determine whether certain AREVA information is proprietary. I am familiar with the policies established by AREVA to ensure the proper application of these criteria.

3. I am familiar with the AREVA information contained in the following document:

"Microsoft Excel spreadsheet summ_input_var_LOOP.xlsx- Summary of Calculated Input Variables for Case Set," referred to herein as "Document." Information contained in this Document has been classified by AREVA as proprietary in accordance with the policies established by AREVA Inc. for the control and protection of proprietary and confidential information.

4.

• This Document contains information of a proprietary and confidential nature and is of the type customarily held in confidence by AREVA and not made available to the public. Based on my experience, I am aware that other companies regard information of the kind contained in this Document as proprietary and confidential.

5. This Document has been made available to the U.S. Nuclear Regulatory Commission in confidence with the request that the information contained in this Document be withheld from public disclosure. The request for withholding of proprietary information is made in accordance with 10 CFR 2.390. The information for which withholding from disclosure is

requested qualifies under 10 CFR 2.390(a)(4) "Trade secrets and commercial or financial information."

6. The following criteria are customarily applied by AREVA to determine whether information should be classified as proprietary:

(a) The information reveals details of AREVA's research and development plans and programs or their results.

(b) Use of the information by a competitor would permit the competitor to significantly reduce its expenditures, in time or resources, to design, produce, or market a similar product or service.

(c) The information includes test data or analytical techniques concerning a process, methodology, or component, the application of which results in a competitive advantage for AREVA.

(d) The information reveals certain distinguishing aspects of a process, methodology, or component, the exclusive use of which provides a competitive advantage for AREVA in product optimization or marketability.

(e) . The information is vital to a competitive advantage held by AREVA, would be helpful to competitors to AREVA, and would likely cause substantial harm to the competitive position of AREVA.

The information in this Document is considered proprietary for the reasons set forth in paragraphs 6(c) and 6(d) above.

7. In accordance with AREVA's policies governing the protection and control of information, proprietary information contained in this Document has been made available, on a limited basis, to others outside AREVA only as required and under suitable agreement providing for nondisclosure and limited use of the information.

8. AREVA policy requires that pr~prietary information be kept in a secured file or area and distributed on a need-to-know basis.

9. The foregoing statements are true and correct to the best of my knowledge, information, and belief.

SUBSCRIBED before me this _0:;....;tli day of J\NV<J I 2016.

Sherry L. McFaden NOTARY PUBLIC, COMMONWEALTH OF VIRGINIA MY COMMISSION EXPIRES: 10/31/18 Reg. # 7079129 tHERAV (, MCFADEN Natirv P"'Hc

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