ML18037A674

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Submittal of MHIs Response to NRCs Request for Additional Information 1098-9305
ML18037A674
Person / Time
Site: 05200021
Issue date: 02/01/2018
From: Kumaki A
Mitsubishi Heavy Industries, Ltd
To: George Wunder
Office of New Reactors
References
UAP-HF-18001
Download: ML18037A674 (4)


Text

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MITSUBISHI HEAVY INDUSTRIES, LTD.

1-1, WADASAKI-CHO, 1-CHOME, HYOGOKU, KOBE, 652-8585 JAPAN February 1, 2018 Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Attention:

Mr. George Wunder Docket No.52-021 MHI Ref: UAP-HF-18001

Subject:

MHl's Response to NRC's* Request for Additional Information 1098-9305

References:

[1]

"Request for Additional Information 1098-9305" dated January 12, 2018.

With this letter, Mitsubishi Heavy Industries, LTD. ("MHI") transmits to the U.S. Nuclear Regulatory Commission ("NRC") the document entitled "MHl's Response to NRC's Request for Additional Information 1098-9305", which is related to Topical Report, the Advanced Accumulator, MUAP-07001 Revision 6.

As indicated in the enclosed material, this document contains information that MHI considers proprietary, and therefore should be withheld from public disclosure pursuant to 10 C.F.R. § 2.390 (a)(4) as trade secrets and commercial or financial information which is privileged or confidential.

A non-proprietary version of the document is also being submitted with the information identified as proprietary redacted and replaced by the designation "[

]".

This letter includes a copy of the proprietary version (Enclosure 2), a copy of the non-proprietary version (Enclosure 3), and the Affidavit of Atsushi Kumaki (Enclosure 1) which identifies the reasons MHI respectfully requests that all materials designated as "Proprietary" in Enclosure 2 be withheld from public disclosure pursuant to 10 C.F.R. § 2.390 (a)(4).

Please contact Mr. Joseph Tapia, General Manager of Engineering and Regulatory Services, Mitsubishi Nuclear Energy Systems, Inc. if the NRC has questions concerning any aspect of this submittal.

His contact information is below.

Sincerely, Atsushi Kumaki, Engineering Manager Global Nuclear Project Department Nuclear Energy Systems Division Power Systems Mitsubishi Heavy Industries, Ltd.

Enclosures:

1 - Affidavit of Atsushi Kumaki 2 - MHl's Response to NRC's Request for Additional Information 1098-9305 (Proprietary) 3 - MHl's Response to NRC's Request for Additional Information 1098-9305 (Non-Proprietary)

CC: G. Wunder J. Tapia Contact Information Joseph Tapia, General Manager of Engineering and Regulatory Services Mitsubishi Nuclear Energy Systems, Inc.

13860 Ballantyne Corporate Place, Suite 250 Charlotte, NC 28277 E-mail: joseph_tapia@mnes-us.com Telephone: (704) 945 - 2740

ENCLOSURE 1 MITSUBISHI HEAVY INDUSTRIES, LTD.

AFFIDAVIT I, Atsushi Kumaki, state as follows:

Docket No.52-021 MHI Ref: UAP-HF-18001

1.

I am Engineering Manager of Global Nuclear Project Department, Nuclear Energy Systems Division, Power Systems, Mitsubishi Heavy Industries, ltd., and have been delegated the function of reviewing Mitsubishi Heavy Industries, LTD's ("MHI") US-APWR documentation to determine whether it contains information that should be withheld from public disclosure pursuant to 10 C.F.R. § 2.390 (a)(4) as trade secrets and commercial or financial information which is privileged or confidential.

2.

In accordance with my responsibilities, I have reviewed the enclosed document entitled "MHl's Response to NRC's Request for Additional Information 1098-9305" dated February 1, 2018, and have determined that portions of the document contain proprietary information that should be withheld from public disclosure. Those pages containing proprietary information are identified with the label "Proprietary" on the top of the page and the proprietary information has been bracketed with an open and closed bracket as shown here

"[

]".

The first page of the document indicates that all information identified as "Proprietary" should be withheld from public disclosure pursuant to 10 C.F.R. § 2.390 (a)(4).

3.

The information identified as proprietary in the enclosed document has in the past been, and will continue to be, held in confidence by MHI and its disclosure outside the company is limited to regulatory bodies, customers and potential customers, and their agents, suppliers, and licensees, and others with a legitimate need for the information, and is always subject to suitable measures to protect it from unauthorized use or disclosure.

4.

The basis for holding the referenced information confidential is that it describes the unique design of the Advanced Accumulator developed by MHI and not used in the exact form by any of MHl's competitors. This information was developed at significant cost to MHI, since it required the performance of Research and Development and detailed design for its software and hardware extending over several years.

5.

The referenced information is being furnished to the Nuclear Regulatory Commission

("NRC") in confidence and solely for the purpose of information to the NRC staff.

6.

The referenced information is not available in public sources and could not be gathered readily from other publicly available information.

Other than through the provisions in paragraph 3 above, MHI knows of no way the information could be lawfully acquired by organizations or individuals outside of MHI.

7.

Public disclosure of the referenced information would assist competitors of MHI in their design of new nuclear power plants without incurring the costs or risks associated with the design and testing of the subject systems.

Therefore, disclosure of the information contained in the referenced document would have the following negative impacts on the competitive position of MHI in the U.S. nuclear plant market:

A.

Loss of competitive advantage due to the costs associated with development and testing

of the Advanced Accumulator. Providing public access to such information permits competitors to duplicate or mimic the Advanced Accumulator design without incurring the associated costs.

B.

Loss of competitive advantage of the US-APWR created by benefits of enhanced plant safety, and reduced operation and maintenance costs associated with the Advanced Accumulator.

I declare under penalty of perjury that the foregoing affidavit and the matters stated therein are true and correct to the best of my knowledge, information and belief.

Executed on this 1st day of February, 2018.

Atsushi Kumaki, Engineering Manager Global Nuclear Project Department Nuclear Energy Systems Division Power Systems Mitsubishi Heavy Industries, Ltd.