ML24227B032

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Summary of April 18, 2024, Meeting with Nuclear Energy Institute Concerning NEI 20-07, Draft Revision E
ML24227B032
Person / Time
Site: 99902028
Issue date: 10/22/2024
From: Edwards T
Licensing Processes Branch
To: Gerond George
Licensing Processes Branch
Shared Package
ML24227B029 List:
References
EPID L-2023-NFN-0012
Download: ML24227B032 (1)


Text

October 22, 2024 MEMORANDUM TO: Gerond A. George, Chief Licensing Projects Branch Division of Operating Reactors Licensing Office of Nuclear Reactor Regulation FROM:

Theo Edwards, Project Manager /RA/

Plant Licensing Branch 1 Division of Operating Reactors Licensing Office of Nuclear Reactor Regulation

SUBJECT:

SUMMARY

OF APRIL 18, 2024, PUBLIC MEETING WITH NUCLEAR ENERGY INSTITUTE CONCERNING NEI 20-07, DRAFT REVISION E (EPID L-2023-NFN-0012)

On April 18, 2024, a partially closed public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) staff and representatives of Nuclear Energy Institute (NEI) via video conference. The purpose of the meeting was for the NRC staff and NEI representatives to discuss the NRC staffs comments on Draft Revision E of NEI 20-07, Guidance for Addressing Common Cause Failure in High Safety-Significant Safety-Related Digital I&C Systems. The draft document was provided to the NRC by NEI in a letter dated March 14, 2024 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML24074A463).

The presentation NEI used during the meeting is available in ADAMS at Accession No. ML24114A114. A revised version of the NRC staffs comments on NEI 20-07, Draft Revision E are available in ADAMS at Accession No. ML24107B109. The meeting notice and agenda, dated April 11, 2024, are available in ADAMS at Accession No. ML24108A184. A list of attendees is provided in the enclosure.

During the meeting, the NEI representatives described their understanding of the NRC staffs feedback and provided their response to the NRCs feedback on NEI 20-07, Draft Revision E.

Specifically, NRC staffs comments 1, 9, 12, 13, 19, 21, 23, 26, 29, 30, 32, 34, 41, 42, 43, 44, 45, 53, 49, 55, 56, 64, 69, and 72 were discussed during the meeting. The NRC staff suggested that the terms selected from system theoretic process analysis handbook and the electric power research institute digital engineering guideline, hazards and consequence analysis in digital systems, and digital reliability analysis methodology products be given direct references and definitions. The NRC staff described a need for measurable outputs to validate a performance-based approach as it introduces regulatory uncertainty.

No regulatory decisions were made during the meeting. Public meeting feedback forms were not received.

CONTACT:

T. Edwards, NRR (301)-415-1721

Please direct any inquiries to Michael Marshall at 301-415-2871 or michael.marshall@nrc.gov or me at 301-415-1721 or theo.edwards@nrc.gov.

Project No: 99902028

Enclosure:

List of Attendees

Enclosure LIST OF ATTENDEES APRIL 18, 2024, MEETING WITH NUCLEAR ENERGY INSTITUTE CONCERNING NEI 20-07, DRAFT REVISION E Name Organization Steven Alferink U.S. Nuclear Regulatory Commission (NRC)

Norbert Carte NRC Christopher Cook NRC Samir Darbali NRC Theo Edwards NRC Leslie Fields NRC Gerond George NRC Hipo González NRC Ian Jung NRC Michael Marshall NRC Jason Paige NRC David Rahn NRC Dinesh Taneja NRC Shilp Vasavada NRC Sunil Weerakkody NRC Steve Wyman NRC Alan Campbell Nuclear Energy Institute Warren Odess-Gillett Neil Archambo

Package ML24227B034 Meeting Notice ML24108A184 Meeting Summary ML24227B032 OFFICE NRR/DORL/LPL1/PM NRR/DORL/LPL1/PM NRR/DORL/LLPB/LA NAME TEdwards MMarshall DHarrison DATE 9/3/24 9/25/24 10/17/24 OFFICE NRR/DORL/LLPB/BC NRR/DORL/LPL1/PM NAME GGeorge TEdwards DATE 10/21/24 10/22/24