ML23076A013

March 15, 2023, Summary of Audit Meeting with Constellation Energy Generation Concerning a Digital Instrumentation and Control Upgrade License Amendment Request for Limerick Generating Station, Units 1 and 2

ML23076A013
Person / Time
Site:	Limerick
Issue date:	05/12/2023
From:	Geoffrey Miller NRC/NRR/DORL/LPL1
To:
Shared Package
ML23076A012	List: ML23076A013
References
EPID L-2022-LLA-0140
Download: ML23076A013 (1)

Text

May 12, 2023 LICENSEE: Constellation Energy Generation, LLC FACILITY: Limerick Generating Station, Unit Nos. 1 and 2

SUMMARY

OF MARCH 15, 2023, AUDIT MEETING WITH CONSTELLATION ENERGY GENERATION CONCERNING A DIGITAL INSTRUMENTATION AND CONTROL UPGRADE LICENSE AMENDMENT REQUEST FOR LIMERICK GENERATING STATION, UNITS 1 AND 2 (EPID L-2022-LLA-0140)

On March 15, 2023, a partially closed observation public meeting was held between the U.S.

Nuclear Regulatory Commission (NRC) and representatives of Constellation Energy Generation, LLC (the licensee, CEG) via video conference. The purpose of the partially closed meeting was to discuss the digital instrumentation and control (I&C) license amendment request (LAR) for Limerick Generating Station Unit Nos. 1 and 2 (Limerick). The meeting notice and agenda, dated February 23, 2023, are available in the Agencywide Documents Access and Management System (ADAMS) at Accession No. ML23054A072. The purpose of the meeting was to discuss outstanding audit questions related to the subject review. These questions were originally provided to the licensee in the audit process and are documented in ADAMS (ML22110A097 and ML22353A632). A list of attendees is provided as an enclosure.

During the open portion of the meeting, a discussion of non-proprietary Audit Questions was held. Audit Question status1 update changes are noted where they were discussed.

Audit Question 70 - Updated status to Closed Audit Question 73 - Updated status to Confirm Audit Question 74 - Remained Open Audit Question 75 - Remained Open Audit Question 76 - Remained Open Audit Question 78 - Update to Confirm Additionally, a discussion on the Vendor Oversight Plan (VOP) was held to help with further Audit Question development regarding that document. The discussion centered on what the appropriate level of detail from the VOP would need to be submitted on the docket to support the NRC staff review.

1 Audit Question status are defined as follows: 1) Open - Additional discussion is needed on the question to determine resolution;

2) Confirm - Licensee understands what information needs to be docketed to resolve question; and 3) Closed - Sufficient information is on the docket to close the question.

Following this discussion, the meeting transitioned to the closed portion and proprietary Audit Questions were discussed. The licensee discussed the draft responses to the following Audit Questions:

Audit Question 65 - The licensee provided a presentation to facilitate the discussion2.

The question remained Open Audit Question 66 - Remained Open (NRC staff to edit question)

Audit Question 69 - Updated to Open (CEG to edit response)

Audit Question 71 - Remained Open Audit Question 72 - Remained Open Audit Question 77 - NRC staff confirmed still working on question. Involves multiple review disciplines No regulatory decisions were made during the meeting. No questions or comments from the public were received during the meeting.

Please direct any inquiries regarding this meeting to Ed Miller at 301-415-2481 or Ed.Miller@nrc.gov.

Sincerely,

/RA/

G. Edward Miller, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352 and 50-353

Enclosure:

List of Attendees cc w/enclosure: Listserv 2 The proprietary presentation is available in ADAMS under Accession No. ML23075A191 (Non-Public).

LIST OF ATTENDEES MARCH 15, 2023, MEETING WITH CONSTELLATION ENERGY GENERATION, LLC LIMERICK GENERATING STATION UNIT NOS. 1 AND 2 LICENSE AMENDMENT REQUEST INVOLVING PROPOSED DIGITAL INSTRUMENTATION AND CONTROL UPGRADE Name Organization Ed Miller U.S. Nuclear Regulatory Commission (NRC)

Rossnyev Alvarado NRC Aaron Armstrong NRC David Rahn NRC Greg Galletti NRC Hang Vu NRC Jack Zhao NRC Matthew McConnell NRC Ming Li NRC Samir Darbali NRC Kamishan Martin NRC Michael Marshall NRC Frank Mascitelli Constellation Energy Group, LLC (CEG)

Brian Devine CEG Dave Molteni CEG Ashley Rickey CEG Mark Samselski CEG Zina Gavin CEG Michael Foote CEG John Connelly CEG Scott Schumacher CEG Michael Cawley CEG David Langseder CEG Suresh Channarasappa CEG Jim Berg CEG John Schrage CEG Gerald Segner CEG Cal Tang Westinghouse Electric Company (WEC)

Warren Odess-Gillett WEC Dom Mocello WEC Boyan Setchenski WEC Dan Martin WEC Dante Mincin WEC Steve Merkiel WEC Enclosure

Package: ML23076A012 Meeting Notice: ML23054A072 Meeting Summary: ML23076A013 OFFICE NRR/DORL/LPL1/PM NRR/DORL/LPL1/LA NRR/DEX/EICB/BC NRR/DORL/LPL1/BC NAME GEMiller KZeleznock (KEntz for) MWaters (RAlvarado for) HGonzález (MMarshall for)

DATE 3/17/2023 3/17/2023 4/28/2023 5/12/2023