ML25262A051

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Summary of Closed Pre-Submittal Meeting for Westinghouse Electric Company Topical Report WCAP-16996-P-A, Revision 1, Supplement 2, Revision 0, Extension of the Full Spectrum LOCA (Fsloca) EM to CE-NSSS Pwrs
ML25262A051
Person / Time
Site: Westinghouse
Issue date: 09/22/2025
From: Ekaterina Lenning
Licensing Processes Branch
To: Jennivine Rankin
Licensing Processes Branch
References
EPID L-2025-LRM-0103
Download: ML25262A051 (1)


Text

September 22, 2025 MEMORANDUM TO:

Jennivine K. Rankin, Branch Chief Licensing Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation FROM:

Ekaterina Lenning, Project Manager

/RA/

Licensing Projects Branch Division of Operating Reactors Licensing Office of Nuclear Reactor Regulation

SUBJECT:

SUMMARY

OF CLOSED PRE-SUBMITTAL MEETING FOR WESTINGHOUSE ELECTRIC COMPANY TOPICAL REPORT WCAP-16996-P-A, REVISION 1, SUPPLEMENT 2, REVISION 0, EXTENSION OF THE FULL SPECTRUM LOCA (FSLOCA) EM TO CE-NSSS PWRS (PROPRIETARY/NON-PROPRIETARY)

(EPID: L-2025-LRM-0103)

On August 28, 2025, a closed pre-submittal meeting was held between the U.S. Nuclear Regulatory Commission (NRC), Office of Nuclear Reactor Regulation (NRR), Division of Operating Reactor Licensing (DORL) and Division of Safety Systems staff, and Westinghouse Electric Company (Westinghouse) representatives. The meeting was held virtually. The purpose of the meeting was for Westinghouse representatives to present proprietary information related to the future submittal of Westinghouse Topical Report (TR) WCAP-16996-P-A, Revision 1, Supplement 2, Revision 0, Extension of the FULL SPECTRUM LOCA (FSLOCA) EM to CE-NSSS PWRs (Proprietary/Non-Proprietary). The Westinghouse representatives provided details on current licensed applicability for the FULL SPECTRUM' LOCA (FSLOCA')

evaluation model (EM), EM development and assessment process in relation to the extension methodology, key differences relative to Westinghouse plant designs, plant model and sample results, and an overview of Westinghouses integrated licensing plan. No regulatory decisions were made during the meeting.

By letter dated August 21, 2025, Westinghouse submitted presentation slides to the NRC (Agencywide Documents Access and Management System (ADAMS) Accession No. ML25234A072). The meeting notice is available in ADAMS (ML25212A097). The list of attendees is enclosed.

Enclosure:

List of Attendees CONTACT:

Ekaterina Lenning, NRR/DORL Ekaterina.Lenning@nrc.gov 301-415-3151

Enclosure ATTENDEES FOR CLOSED PRE-SUBMITTAL MEETING FOR THE FUTURE SUBMITTAL OF WESTINGHOUSE ELECTRIC COMPANY TOPICAL REPORT WCAP-16996-P-A, REVISION 1, SUPPLEMENT 2, REVISION 0, EXTENSION OF THE FULL SPECTRUM LOCA (FSLOCA) EM TO CE-NSSS PWRS EPID: L-2025-LRM-0103 AUGUST 28, 2025 9:00 AM - 10:30 AM EASTERN TIME Attendees Organization Jennivine Rankin US Nuclear Regulatory Commission (NRC)

Ekaterina Lenning NRC John Lehning NRC Noushin Amini NRC Brandon Wise NRC Jerrod Ewing Westinghouse Electric Company (Westinghouse)

Joshua Yagozinski Westinghouse Megan Barca Westinghouse Sonny Nguyen Westinghouse Amy Colussy Westinghouse Mark Sheaffer Westinghouse Paul Stevenson Westinghouse Nathaniel Mackereth Westinghouse Kevin Barber Westinghouse Robert Hicks Jr Arizona Public Service (APS)

Thomas Remick APS Austin Kee APS Nawaporn Aaronscooke APS Christopher Eastus Entergy Frank Bauer Entergy Alethia Barnwell Entergy Donald Williamson Entergy William Steelman Entergy Ethan Taylor Entergy

ML25262A051 (Meeting Summary)

NRC-001 OFFICE NRR/DORL/LLPB/PM NRR/DORL/LLPB/LA NRR/DORL/LLPB/BC NRR/DORL/LLPB/PM NAME ELenning DHarrison JRankin ELenning DATE 9/19/2025 9/22/2025 9/22/2025 9/22/2025