Letter Sequence Meeting |
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EPID:L-2024-LRM-0009, Constellations Pre-Submittal Meeting Presentation About Peach Bottom ECCS Compensated Level System Replacement Project - July 22, 2024 (Open) |
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MONTHYEARML24134A2032024-05-14014 May 2024
Lessons Learned for ECCS Digital I&C License Amendment - Rev 0
Project stage: Other
ML24131A1282024-05-14014 May 2024
Lessons Learned for ECCS Digital I&C License Amendment
Project stage: Other
ML24121A1862024-05-14014 May 2024
Attachment 3: Peach Bottom ECCS Compensated Level System Replacement Project Presentation Material (Non-Proprietary Information)
Project stage: Request
PMNS20240898, Meeting with Constellation Energy Generation, LLC to Discuss a Planned License Amendment Request for a Digital Instrumentation and Controls Upgrade at Peach Bottom Atomic Power Station, Units 2 and 32024-07-0808 July 2024
Meeting with Constellation Energy Generation, LLC to Discuss a Planned License Amendment Request for a Digital Instrumentation and Controls Upgrade at Peach Bottom Atomic Power Station, Units 2 and 3
Project stage: Meeting
ML24200A2312024-07-22022 July 2024
Constellations Pre-Submittal Meeting Presentation About Peach Bottom ECCS Compensated Level System Replacement Project - July 22, 2024
Project stage: Request
ML24206A1782024-07-29029 July 2024
Summary of Public Meeting with Constellation Energy Generation, LLC Concerning Peach Bottom Units Nos. 2 and 3 Digital Upgrade of the ECCS Compensated Level System
Project stage: Meeting
ML24270A2612024-10-17017 October 2024
Summary of Public Meeting with Constellation Energy Generation, LLC Concerning Peach Bottom, Units Nos. 2 and 3 Digital Upgrade of the ECCS Compensated Level System
Project stage: Meeting
ML24302A2422024-10-29029 October 2024
ECCS Compensated Level System Replacement Project Pre-Submittal Meeting Slides
Project stage: Meeting
ML24325A5532024-11-21021 November 2024
Summary of October 29, 2024, Public Observation Meeting with Constellation Energy Generation, LLC Regarding Peach Bottom Atomic Power Station, Units 2 & 3 Digital Upgrade of the Emergency Core Cooling System Compensated Level System EPID L-
Project stage: Meeting
ML24325A5702024-11-22022 November 2024
ECCS Compensated Level System Replacement Project, Constellation Pre-submittal Meeting Slides November 22, 2024 (EPID L-2024-LRM-0009) Public
Project stage: Meeting
ML24344A2272024-12-12012 December 2024
Summary of Partially Closed Observation Meeting with Constellation Energy Generation, LLC Regarding Peach Bottom Atomic Power Station, Units 2 and 3 Digital Upgrade of the Emergency Core Cooling System Compensated Level System
Project stage: Meeting
2024-12-12
[Table View] |
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Category:Meeting Summary
MONTHYEARML24351A0822024-12-19019 December 2024
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Summary of Partially Closed Observation Meeting with Constellation Energy Generation, LLC Regarding Peach Bottom Atomic Power Station, Units 2 and 3 Digital Upgrade of the Emergency Core Cooling System Compensated Level System
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Summary of October 29, 2024, Public Observation Meeting with Constellation Energy Generation, LLC Regarding Peach Bottom Atomic Power Station, Units 2 & 3 Digital Upgrade of the Emergency Core Cooling System Compensated Level System EPID L-
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Summary of Public Meeting with Constellation Energy Generation, LLC Concerning Peach Bottom, Units Nos. 2 and 3 Digital Upgrade of the ECCS Compensated Level System
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Summary of Public Meeting with Constellation Energy Generation, LLC Concerning Peach Bottom Units Nos. 2 and 3 Digital Upgrade of the ECCS Compensated Level System
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ML18152A9862018-06-12012 June 2018
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2024-07-29
[Table view] |
Text
December 12, 2024 LICENSEE:
Constellation Energy Generation, LLC FACILITY:
Peach Bottom Atomic Power Station, Units 2 and 3
SUBJECT:
SUMMARY
OF NOVEMBER 22, 2024, PARTIALLY CLOSED OBSERVATION MEETING WITH CONSTELLATION ENERGY GENERATION, LLC REGARDING PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 DIGITAL UPGRADE OF THE EMERGENCY CORE COOLING SYSTEM COMPENSATED LEVEL SYSTEM (EPID L-2024-LRM-0009)
On November 22, 2024, the U.S. Nuclear Regulatory Commission (NRC) staff held a partially closed observation meeting with Constellation Energy Generation, LLC (Constellation, the licensee) at NRC Headquarters in Rockville, Maryland. The purpose of the meeting was for Constellation and the NRC staff to discuss a proposed license amendment request (LAR) regarding a digital instrumentation and controls upgrade to the emergency core cooling system (ECCS) compensated level system for Peach Bottom Atomic Power Station, Units 2 and 3 (Peach Bottom). The meeting notice and agenda, dated November 15, 2024, are available in the NRCs Agencywide Documents Access and Management System (ADAMS) at Accession No. ML24326A047. The enclosure to this summary contains a list of attendees. The licensee prepared presentation slides which are available in ADAMS at ML24325A570.
During the meeting, Constellation discussed a proposed schedule for the planned LAR, including the planned time frame for supplemental information. The licensee confirmed that the only supplement currently planned is the equipment qualification test report summary. The licensee discussed the changes to the facility with the LAR including expanded maintenance and diagnostic testing. The NRC staff requested that the licensee include in its application, the architecture of the monitoring and tuning system with its diagnostic features. Continuing the discussion on changes to the plant interface, the NRC staff asked who is providing the cabinets and the Curtiss-Wright representative responded that Curtiss-Wright will be supplying the cabinets. The licensee mentioned that there will be no changes to Peach Bottoms technical specifications.
The NRC staff asked Constellation to explain their evaluation using the process described in Title 10 of the Code of Federal Regulations (10 CFR) Section 50.59 Changes, tests, and experiments which allows licensees to make changes to their facility without prior NRC approval. The licensee responded that because they are making changes to a structure, system, or component (SSC) that affects the design function of the SSC, they screened into the 50.59 process. Evaluating the change against the criteria in 10 CFR 50.59(c)(2), the licensee determined that the change described in the LAR would result in more than a minimal increase in the likelihood of occurrence of a malfunction of an SSC important to safety previously evaluated in the final safety analysis report (as updated), as described in 10 CFR 50.59(c)(2)(ii).
Therefore, Constellation will be applying for a license amendment to make changes to the ECCS system.
During the discussion of deviations from the RadICS topical report, the licensee mentioned the only equipment deviation is the use of 2-meter cables instead of the 20-meter cables included in the topical report. The NRC staff asked for more information on these cables and the licensee mentioned they are manufactured by RadICS and will be commercially dedicated by RadICS as well as included in Curtiss-Wrights quality assurance (QA) program.
The NRC staff did not make any regulatory decisions at the meeting. Members of the public were in attendance. Public Meeting Feedback forms were not received. The NRC received one comment congratulating the staff on the helpfulness of dialogue throughout the meeting.
Please direct any inquiries to me at (301) 415-0805, or Rachael.Davis@nrc.gov.
/RA/
Rachael Davis, Project Manager Licensing Data Analytics, Tools, and Assessments Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-277 and 50-278
Enclosure:
List of Attendees cc: Listserv
Enclosure LIST OF ATTENDEES NOVEMBER 22, 2024, MEETING WITH CONSTELLATION ENERGY GENERATION, LLC PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 Name Organization Aaron Armstrong U.S Nuclear Regulatory Commission (NRC)
Christina Antonescu NRC Clinton Hobbs NRC Deanna Zhang NRC En De Chen NRC Eric Benner NRC Fanta Sacko NRC Isaac Wang NRC Jack Zhao NRC Michael Marshall NRC Neal Sheehan NRC Rachael Davis NRC Rachel Qian NRC Samir Darbali NRC Sarah Elkhiamy NRC William Roggenbrodt NRC David Peiffer Constellation Energy Generation, LLC (Constellation)
John Hopson Constellation Pablo Guardado Constellation Preeti Furtado Constellation Steve Dragovich Constellation Stephen Flickinger Constellation John Schrage Sargent Lundy Mike Lewis Sargent Lundy Pareez Golub Sargent Lundy Rylee Runyon Sargent Lundy Marty Murphy Curtiss-Wright Michael Kosman Curtiss-Wright Robert Ammon Curtiss-Wright Alfred Hyde Member of the public - Dominion Energy Mary Miller Member of the Public - Dominion Energy
Package: ML24345A031 Meeting Notice: ML24326A047 Meeting Summary (Non-Proprietary): ML24344A227 Meeting Slides: ML24325A570 OFFICE NRR/DORL/LDATA/PM NRR/DORL/LPL1/LA NRR/DORL/LPL1/BC(A)
NAME RDavis KEntz HGonzález (RGuzman for)
DATE 12/6/2024 12/11/2024 12/12/2024
