ML19149A315

Letter to Applicant - GEH ABWR DC Renewal Issue 26 SER for Section 8.3.4.4 Class 1E Bus Isolation

ML19149A315
Person / Time
Site:	05200045
Issue date:	06/05/2019
From:	James Shea NRC/NRO/DLSE
To:	Michelle Catts GE Hitachi Nuclear Energy
Shea J
Shared Package
ML19149A284	List: ML19149A315 ML19149A317
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Download: ML19149A315 (4)

Text

OFFICIAL USE ONLY - PROPRIETARY INFORMATION UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 5, 2019 Ms. Michelle P. Catts Senior Vice President, Regulatory Affairs GE Hitachi Nuclear Energy 3901 Castle Hayne Road MC A-18 Wilmington, NC 28401

SUBJECT:

ADVANCED BOILING-WATER REACTOR DESIGN CERTIFICATION RENEWAL APPLICATION SAFETY EVALUATION WITH NO OPEN ITEMS FOR SECTION 8.3.4.4, ISOLATION BETWEEN CLASS 1E BUSES AND LOADS DESIGNATED AS NON-CLASS 1E

Dear Ms. Catts:

The U.S. Nuclear Regulatory Commission (NRC) staff is preparing a safety evaluation (SE) with no open items to supplement the final safety evaluation report associated with the staffs review of the advanced boiling-water reactor (ABWR) design that was documented in NUREG-1503, Final Safety Evaluation Report Related to the Certification of the Advanced Boiling Water Reactor Design, and NUREG-1503, Supplement 1. This SE will document the staffs review of your application dated December 7, 2010, to renew the ABWR design certification.

The staffs SE for Section 8.3.4.4, Isolation Between Class 1E Buses And Loads Designated As Non-Class 1E, is being provided to the Advisory Committee on Reactor Safeguards (ACRS)

Subcommittee to support a future meeting of the ACRS Subcommittee.

The enclosed SE is being provided only to GE-Hitachi Nuclear Energy for review of proprietary information pursuant to Title 10 of the Code of Federal Regulations (10 CFR) 2.390 Public Inspections, Exemptions, Requests for Withholding. The staff concludes that the enclosed SE does not contain any information for which exemption from public disclosure has been sought or approved or any factual errors. However, the NRC will withhold the enclosed SE from public disclosure for ten business days from the date of this letter to allow you the opportunity to verify the staffs conclusion that the SE contains no such exempt information or any factual errors. If within that ten-day period, you do not request that all or portions of the SE be withheld from public disclosure, the enclosure will be made available for public inspection through the NRC Public Document Room and the Publicly Available Records component of NRCs Agencywide Documents Access and Management System and placed on the NRCs public Web page for this application.

Document transmitted herewith contains sensitive unclassified information. When separated from the enclosure, this document is DECONTROLLED.

OFFICIAL USE ONLY - PROPRIETARY INFORMATION

OFFICIAL USE ONLY - PROPRIETARY INFORMATION M. Catts If you have any questions or comments concerning this matter, I can be reached at 301-415-4093 or via e-mail address at James.Shea@nrc.gov.

Sincerely,

/RA/

James Shea, Lead Project Manager Licensing Branch 3 Division of Licensing, Siting, and Environmental Analysis Office of New Reactors Docket No.: 52-045

Enclosure:

As stated cc w/o encl.: See next page OFFICIAL USE ONLY - PROPRIETARY INFORMATION

ML19149A315 *via e-mail NRO-002 OFFICE LPM:NRO:DLSE LA:NRO:DLSE LPM:NRO:DLSE NAME JShea SGreen* JShea DATE 05/28/2019 05/29/2019 6/5/2019

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