ML24060A094

Report Regarding March 4-29, 2024, Regulatory Audit for Electric Power Research Institute Technical Report Boiling Water Reactor Vessel Internals Program (BWRVIP)-138, Updated Jet Pump Beam Inspection and Flaw Evaluation Guidelines, Revisio

ML24060A094
Person / Time
Site:	99902016
Issue date:	10/01/2024
From:	Lois James Licensing Processes Branch
To:	Bonifanti M, Palm N Boiling Water Reactor (BWR) Vessel and Internals Project (BWRVIP), Electric Power Research Institute
Shared Package
ML24240A102	List: ML24060A094 ML24240A123
References
BWRVIP-138, Rev. 2, EPID L-2023-TOP-0020, EPID L-2023-TOP-0053, EPID L-2023-NTR-0007
Download: ML24060A094 (1)

Text

OFFICIAL USE ONLY - PROPRIETARY INFORMATION OFFICIAL USE ONLY - PROPRIETARY INFORMATION October 1, 2024 Martin Bonifanti, Constellation, BWRVIP Chairman Nathan Palm, EPRI, BWRVIP Program Manager 1300 West W.T. Harris Blvd.

Charlotte, NC 28262-8550

SUBJECT:

REPORT REGARDING MARCH 4 - 29, 2024, REGULATORY AUDIT FOR ELECTRIC POWER RESEARCH INSTITUTE TECHNICAL REPORT BOILING WATER REACTOR VESSEL INTERNALS PROGRAM (BWRVIP)-138, UPDATED JET PUMP BEAM INSPECTION AND FLAW EVALUATION GUIDELINES, REVISION 2 (EPID L-2023-NTR-0007)

Dear Martin Bonifanti and Nathan Palm:

By letter dated October 25, 2023 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML23298A077), Electric Power Research Institute (EPRI) submitted Boiling Water Reactor (BWR) Vessel Internals Program (BWRVIP)-138, Revision 2, BWR Vessel and Internals Project, Updated Jet Pump Beam Inspection and Flaw Evaluation Guidelines, for U.S. Nuclear Regulatory Commission (NRC) review. BWRVIP-138 incorporates new crack growth and crack initiation data, updates operating experience, and revises inspection interval and flaw evaluation guidance. The NRC accepted BWRVIP-138 for review on January 3, 2024 (ADAMS Accession No. ML23299A287).

The NRC staff reviewed BWRVIP-138, Revision 2 and determined that a regulatory audit would assist in the timely completion of the NRC staffs review. By letter dated February 29, 2024 (ADAMS Accession No. MLML24023A690), the NRC staff forwarded an audit plan to EPRI to initiate the audit of BWRVIP-138, Revision 2. The audit began with an entrance meeting between the NRC staff and EPRI on March 11, 2024. The audit ended with an exit meeting on May 24, 2024.

The NRC staff has completed its regulatory audit successfully. The attached audit report describes the NRC staffs audit activities. Enclosure 1 is the proprietary version of the audit report and Enclosure 2 is the nonproprietary version.

NOTE: Enclosure 1 consists of proprietary information, when Enclosure 1 is separated from this transmittal letter, this letter is DECONTROLLED.

OFFICIAL USE ONLY - PROPRIETARY INFORMATION M. Bonifanti and OFFICIAL USE ONLY - PROPRIETARY INFORMATION If you have any questions, please contact me by email at lois.james@nrc.gov.

Sincerely,

/RA/

Lois M. James, Senior Project Manager Licensing Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 99902016

Enclosures:

1. Proprietary Audit Report

2. Non-proprietary Audit Report

ML24240A102 (pkg)

ML24060A094 (letter)

ML24240A110 (enclosure 1; proprietary audit report)

ML24240A123 (enclosure 2; non-proprietary audit report)

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• via e-mail NRR-106 OFFICE NRR/DORL/LLPB/PM NRR/DORL/LLPB/LA NRR/NDLR/NVIB/BC NRR/DORL/LLPB/BC NAME LJames^

DHarrison^

ABuford*

GGeorge^

DATE 08/27/2024 09/19/2024 09/23/2024 10/01/2024 OFFICE NRR/DORL/LLPB/PM NAME LJames DATE 10/01/2024