ML19352E775

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Letter to NuScale Transmitting Final SER TR-0516-49417 Rev 1 Stability
ML19352E775
Person / Time
Site: NuScale
Issue date: 12/19/2019
From: Anna Bradford
NRC/NRR/DNRL
To: Rad Z
NuScale
Bavol B / 415-6715
Shared Package
ML19352E752 List:
References
CAC 471, TR-0516-49417, Rev. 1
Download: ML19352E775 (3)


Text

OFFICIAL USE ONLY - PROPRIETARY INFORMATION OFFICIAL USE ONLY - PROPRIETARY INFORMATION December 19, 2019 Mr. Zackary W. Rad Director, Regulatory Affairs NuScale Power, LLC 1100 NE Circle Boulevard, Suite 200 Corvallis, OR 97330

SUBJECT:

FINAL SAFETY EVALUATION FOR NUSCALE POWER, LLC TOPICAL REPORT TR-0516-49417, REVISION 1, EVALUATION METHODOLOGY FOR STABILITY ANALYSIS OF THE NUSCALE POWER MODULE

Dear Mr. Rad:

By letter dated July 31, 2016, NuScale Power, LLC (NuScale), submitted Topical Report (TR)

TR-0516-49417, Evaluation Methodology for Stability Analysis of the NuScale Power Module, Revision 0, to the U.S. Nuclear Regulatory Commission (NRC) staff for review and approval in support of the application for the design certification of NuScales small modular reactor (SMR).

By letters dated September 17, 2019, and November 22, 2019, NuScale submitted TR-0915-17564, Revision 1, which incorporated changes from requests for additional information responses and corrects a minor error to the TR, respectively.

The NRC staff has found that TR-0516-49417, Revision 1, is acceptable for referencing in licensing applications for the NuScale SMR design to the extent specified and under the conditions and limitations delineated in the enclosed safety evaluation report (SER). The SER defines the basis for acceptance of the TR.

The NRC staff requests that NuScale publish the applicable version(s) of the SER listed above within three months of receipt of this letter. The accepted version of the TR shall incorporate this letter and the enclosed SER and add -A (designated accepted) following the report identification number.

CONTACT: Bruce M. Bavol, NRR/DNRL 301-415-6715 Document transmitted herewith contains sensitive unclassified information. When separated from the enclosure, this document is DECONTROLLED.

OFFICIAL USE ONLY - PROPRIETARY INFORMATION Z. Rad 2

OFFICIAL USE ONLY - PROPRIETARY INFORMATION If the NRC staffs criteria or regulations change, such that the conclusion that the SER is acceptable is invalidated, NuScale and/or the applicant referencing the SER will be expected to revise and resubmit its respective documentation, or submit justification for continued applicability of the SER without revision of the respective documentation.

Prior to placing the public version of this document in the publicly available records component of NRCs Agencywide Documents and Access Management System (ADAMS), the NRC staff requests that NuScale perform a final review of the SER for proprietary or security related information not previously identified. If you believe that any additional information meets the criteria, please identify such information line by line and define the basis pursuant to the criteria established in Title 10 of the Code of Federal Regulations, Part 2, Section 3.90, Public inspections, exemptions, requests for withholding.

If after a ten-day period, if you do not request that all or portions of the SER be withheld from public disclosure, the SER will be made available for public inspection through the publicly available records component of NRCs ADAMS.

If you have any questions or comments concerning this matter, please contact Bruce Bavol at 301-415-6715 or via e-mail address at Bruce.Bavol@nrc.gov.

Sincerely,

/RA/ Bob Caldwell for Anna Bradford, Director Division of New and Renewed Licenses Office of Nuclear Reactor Regulation Docket No.52-048

Enclosures:

1. TR-0516-49417 SER (Non-Proprietary)
2. TR-0516-49417 SER (Proprietary) cc: DC NuScale Power, LLC Listserv (w/o Enclosure 2)

Pkg: ML19352E752 Letter: ML19352E775 Enclosure No. 1: ML19352E778 Enclosure No. 2: ML19352E777

  • via email NRR-106 OFFICE DNRL/NRLB: PM DNRL/NRLB: LA DNRL/NRLB: BC DNRL: D NAME BBavol CSmith*

MDudek ABradford DATE 12/09/2019 12/05/2019 12/19/2019 12/19/2019