ML21245A415

Summary of Public Meeting with Arizona Public Service Company to Discuss Upcoming Exemption to Eliminate Diverse Auxiliary Feedwater Actuation System Using Risk-Informed Process for Evaluations for Palo Verde Nuclear Generating Station

ML21245A415
Person / Time
Site:	Palo Verde
Issue date:	09/08/2021
From:	Siva Lingam Plant Licensing Branch IV
To:	Lacal M Arizona Public Service Co
Lingam S, 301-415-1564
References
EPID L-2021-LRM-0087
Download: ML21245A415 (4)

Text

September 8, 2021 LICENSEE: Arizona Public Service Company FACILITY: Palo Verde Nuclear Generating Station, Units 1, 2, and 3

SUMMARY

OF SEPTEMBER 1, 2021, PUBLIC MEETING WITH ARIZONA PUBLIC SERVICE COMPANY TO DISCUSS UPCOMING EXEMPTION TO ELIMINATE DIVERSE AUXILIARY FEEDWATER ACTUATION SYSTEM USING RISK-INFORMED PROCESS FOR EVALUATIONS FOR PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3 (EPID L-2021-LRM-0087)

On September 1, 2021, an Observation public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) staff and Arizona Public Service Company (the licensee) via teleconference. The purpose of this meeting was to discuss the licensees upcoming Exemption from the regulations in Title 10 of the Code of Federal Regulations Part 50, Section 50.62, "Requirements for reduction of risk from anticipated transients without scram (ATWS) events for light- water-cooled nuclear power plants," using the Risk-informed Process for Evaluations (RIPE) for the elimination of a diverse auxiliary feedwater actuation system (DAFAS) at Palo Verde Nuclear Generating Station, Units 1, 2, and 3. The meeting notice and agenda, dated August 17, 2021, are available in the NRCs Agencywide Documents Access and Management System (ADAMS) at Accession No. ML21229A219. A list of attendees is provided in the enclosure.

The licensee provided slides for this public meeting, which are available in ADAMS at Accession No. ML21243A543. The licensees presentation included a description of the ATWS, the DAFAS, the reactor protection system, the engineered safety features actuation system, and the supplementary protection system; a discussion of the regulatory requirements, the applicable guidance documents, and risk insights; and justifications for using the RIPE. The licensee agreed to the NRC suggestion that NRC staff observe their Integrated Decision-making Panel meeting in September 2021. In addition, the licensee stated that it is planning to submit this application in early October 2021.

No members of the public called into the meeting. No regulatory decisions or commitments were made at the meeting. No Public Meeting Feedback forms were received.

Please direct any inquiries to me at (301) 415-1564 or by e-mail at Siva.Lingam@nrc.gov.

/RA/

Siva P. Lingam, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. STN 50-528, STN 50-529, and STN 50-530 Enclosure :

List of Attendees cc: Listserv

LIST OF ATTENDEES SEPTEMBER 1, 2021, PUBLIC MEETING WITH ARIZONA PUBLIC SERVICE COMPANY REGARDING EXEMPTION TO ELIMINATE DIVERSE AUXILIARY FEEDWATER ACTUATION SYSTEM USING RISK-INFORMED PROCESS FOR EVALUATIONS PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3 U.S. Nuclear Regulatory Commission Arizona Public Service Company (APS)

Kristy Bucholtz Nawaporn Aarons Cooke Jennifer Dixon-Herrity Matthew Cox Michael Dudek Robert Chu Jonathan Evans Adele Dehaybi Matthew Hamm Michael DiLorenzo John Hughey Tom Hook Nageswara Karipineni Nick Jackson Meena Khanna Sarah Kane Michelle Kichline Michael Nachman Eric Lantz Carl Stephenson Chang Li Tom Weber Siva Lingam Daniel Lamond (APS Consultant)

Lindsay Merker Sarah Scott (Xcel Energy)

Robert Pascarelli Bo Pham Tim Reed Jay Robinson Keith Tetter Brian Wittick Antonios Zoulis Note: Personnel from Nuclear Energy Institute, Exelon, and Southern Nuclear also attended (not able to capture the names by phone numbers in the Microsoft Teams).

Enclosure

ML21245A421 (Package)

ML21229A219 (Meeting Notice)

ML21243A543 (Public Meeting Slides)

ML21245A415(Meeting Summary) *by email OFFICE NRR/DORL/LPL4/PM* NRR/DORL/LPL4/LA* NRR/DORL/LPL4/BC* NRR/DORL/LPL4/PM*

NAME SLingam PBlechman JDixon-Herrity SLingam DATE 9/2/2021 9/8/2021 9/8/2021 9/8/2021