ML19022A135

Draft Safety Evaluation WCAP-16260-P/WCAP-16260-NP, Revision 2, the Spatially Corrected Inverse Count Rate (Scicr) Method for Subcritical Reactivity Measurement.

ML19022A135
Person / Time
Site:	Westinghouse
Issue date:	02/04/2019
From:	Dennis Morey NRC/NRR/DLP/PLPB
To:	Gresham J Westinghouse
Lenning E, NRR/DLP/PLPB, 415-3151
Shared Package
ML19022A047	List: ML19022A135
References
EPID L-2017-TOP-0064, WCAP-16260-NP, WCAP-16260-P
Download: ML19022A135 (3)

Text

OFFICIAL USE ONLY - PROPRIETARY INFORMATION February 4, 2019 Mr. James A. Gresham, Manager Regulatory Compliance and Plant Licensing Westinghouse Electric Company 1000 Westinghouse Drive Cranberry Township, PA 16066

SUBJECT:

DRAFT SAFETY EVALUATION FOR WESTINGHOUSE ELECTRIC COMPANY TOPICAL REPORT WCAP-16260-P/WCAP-16260-NP, REVISION 2, THE SPATIALLY CORRECTED INVERSE COUNT RATE (SCICR) METHOD FOR SUBCRITICAL REACTIVITY MEASUREMENT (EPID: L-2017-TOP-0064)

Dear Mr. Gresham:

By letter dated December 14, 2017 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML17348B293), Westinghouse Electric Company (Westinghouse) submitted for U.S. Nuclear Regulatory Commission (NRC) staff review and approval Topical Report (TR) WCAP-16260-P/WCAP-16260-NP, Revision 2, The Spatially Corrected Inverse Count Rate (SCICR) Method for Subcritical Reactivity Measurement. By letter dated August 9, 2018 (ADAMS Accession No. ML18207A226), the NRC issued its first round of the request for additional information (RAI) questions. By letter dated September 13, 2018 (ADAMS Accession No. ML18257A061), Westinghouse provided responses to these RAI questions. By letter dated September 24, 2018 (ADAMS Accession No. ML18263A197), the NRC issued its second round of RAI questions. By letter dated October 24, 2018 (ADAMS Accession No. ML18299A090),

Westinghouse provided responses to the second round of RAI responses.

Enclosed for Westinghouse review and comment is a copy of the NRC staff's draft safety evaluation (SE) for the TR WCAP-16260-P/WCAP-16260-NP, Revision 2.

Pursuant to Section 2.390 of Title 10 of the Code of Federal Regulations (10 CFR), we believe that the enclosed draft SE may contain proprietary information. If you believe that any information in the enclosure is proprietary, please identify such information line-by-line and define the basis pursuant to the criteria of 10 CFR 2.390. Twenty working days are provided for you to comment on the proprietary aspects and provide any factual errors or clarity concerns contained in the SE. The final SE will be issued after making any necessary changes and a non-proprietary version will be made publicly available. The NRC staff's disposition of your comments on the draft SE will be discussed in the final SE.

OFFICIAL USE ONLY - PROPRIETARY INFORMATION

OFFICIAL USE ONLY - PROPRIETARY INFORMATION J. Gresham To facilitate the NRC staff's review of your comments, please provide a marked-up copy of the draft SE showing proposed changes and provide a summary table of the proposed changes.

If you have any questions, please contact Ekaterina Lenning at 301-415-3151.

Sincerely,

/RA/

Dennis C. Morey, Chief Licensing Processes Branch Division of Licensing Projects Office of Nuclear Reactor Regulation DOCKET 99902038

Enclosure:

Draft SE (Proprietary)

OFFICIAL USE ONLY - PROPRIETARY INFORMATION

Pkg.- ML19022A047; Letter- ML19022A135; Enclosure- ML19022A110 *concurred via e-mail NRR-106 OFFICE NRR/DLP/PLPB/PM NRR/DLP/PLPB/LA NRR/DSS/SNPB/BC NRR/DLP/PLPB/BC NAME ELenning DHarrison* RLukes* DMorey DATE 01/22/2019 1/31/2019 2/04/2019 2/04/2019