ML15173A289

June 9, 2015, Summary of Category 1 Public Meeting with Arizona Public Service Company to Discuss Palo Verde Nuclear Generating Station Seismic Hazard Reevaluation Associated with Implementation of Japan Lessons-Learned NTTF Recommendation

ML15173A289
Person / Time
Site:	Palo Verde
Issue date:	06/30/2015
From:	Vega F G Japan Lessons-Learned Division
To:
Vega F G, NRR/JLD, 415-1617
References
Download: ML15173A289 (6)

Text

LICENSEE:

FACILITY:

SUBJECT:

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 30, 2015 Arizona Public Service Company Palo Verde Nuclear Generating Station, Units 1. 2, and 3

SUMMARY

OF JUNE 9, 2015, CATEGORY 1 PUBLIC MEETING WITH ARIZONA PUBLIC SERVICE COMPANY TO DISCUSS THE SEISMIC HAZARD REEVALUATION ASSOCIATED WITH IMPLEMENTATION OF JAPAN LESSONS-LEARNED NEAR-TERM TASK FORCE RECOMMENDATION 2.1, SEISMIC FOR PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3 On June 9, 2015 1 , the U. S. Nuclear Regulatory Commission (NRC) staff held a Category 1 public meeting with Arizona Public Service Company (APS, the licensee) at NRC Headquarters, Three White Flint North, 11601 Landsdown Street, Rockville, Maryland.

The purpose of this meeting was to discuss the Seismic Hazard Reevaluation 2 associated with the implementation of Near-Term Task Force (NTTF) Recommendation 2.1: Seismic of the March 12, 2012, NRC request for information issued pursuant to Title 1 Oto the Code of Federal Regulations Part 50, Section 50.54(f) (hereafter referred to as the 50.54(f) letter)3 for Palo Verde Nuclear Generating Station, Units 1, 2, and 3 (Palo Verde). During the meeting the NRC staff provided an overview of NTTF Recommendation 2.1 "Seismic" including specifics of the review process as it relates to the Western United States (WUS) sites 4. Additionally, APS representatives provided an overview of Palo Verde's seismic hazard reevaluation which included specific discussions of several focus areas identified by the staff and conveyed to APS before the public meeting 5. The NRC staff and APS representatives' discussions included the following meeting highlights:

• The NRC staff presented an overview of NTTF Recommendation 2.1 "Seismic" review process which included specifics on how the process would be applied to the review of the WUS submittals.

• The NRC staff provided the overall schedules for Recommendation 2.1 seismic hazard and risk evaluation activities.

The staff stated that Palo Verde. by letter dated May 13, 1 The meeting notice is available via the Agencywide Documents Access and Management System (ADAMS) under Accession No ML 15160A391.

2 Palo Verde's Seismic Hazard Reevaluation and supplement are available via ADAMS under Accession Nos. ML 15076A073 and ML 15105A076, respectively.

3 The 50.54(f) letter and Enclosure 1 are available under ADAMS Accession Nos. ML and ML 12056A047, respectively.

4 The NRC's slide presentation is available via ADAMS under Accession No. ML 151598297 5 The APS slide presentation is available via ADAMS under Accession No ML 2015 6 , was conditionally screened-in as a Priority Group 3 for seismic risk evaluation and limited scope evaluations, because additional time is needed to evaluate the licensee's submittal before a screening decision can be made.

• The licensee provided an overview of their seismic hazard reevaluation.

Specifically, APS responded to a series of focus areas that the staff had identified and conveyed to APS before the meeting 7. These discussions helped the staff better understand APS approaches and added clarity to assist in the staff's review.

• The licensee provided a summary of Palo Verde's current licensing basis. Specifically, APS described their design response spectra and its relationship to the current licensing basis.

• The licensee stated that based on its screening evaluation, further action is not required for NTTF Recommendation 2.1 "Seismic".

• The licensee provided initial details on a recently identified minor error in its hazard calculations, part of the March 2015 submittal.

The licensee stated it plans to follow its corrective actions program, as appropriate, to disposition the issue.

• In addition to the questions asked during the meeting, the staff indicated that it expects to issue requests for additional information by the end of summer I early fall 2015. The staff also stated that a final screening determination will be made for Palo Verde by fall 2015. No regulatory decisions or commitments were made during the meeting. The public was invited to observe the meeting and was given an opportunity to communicate with the NRC during the public meeting before adjourning.

No questions or comments were received from the public. No meeting feedback forms were received.

6 The screening and prioritization results for the WUS sites can be found via ADAMS under Accession No. ML 151138344.

7 NRG Technical Focus Areas for Support of Public Meeting on June 4 can be found via ADAMS under Accession No. ML 15147A068 Please direct any inquiries to me at 301-415-1617 or by e-mail at Frankie.Vega@nrc.gov.

Docket Nos. 50-528, 50-529, and 50-530

Enclosure:

List of Attendees cc w/encl: Distribution via Listserv Frankie G. Vega, Project Manager Hazards Management Branch Japan Lessons-Learned Division Office of Nuclear Reactor Regulation List of Attendees U.S. Nuclear Regulatory Commission Public Meeting with Arizona Public Service Company to Discuss theseismic hazard reevaluation associated with implementation of Japan Lessons-Learned Near-Term Task Force Recommendation 2.1, Seismic for Palo Verde Nuclear Generating Station. Units 1, 2, and 3 June 9, 2015 Name Clifford Munson Diane Jackson Scott Stoval Jon Ake Nicholas DiFrancesco Mohamed Shams Vladimir Graizer Frankie Vega Thomas Weaver Alice Stieve Dogan Seber Stephanie Devlin-Gill John Stamatakos Rex Merden Carl Stephenson Adriana Ruiz George Andrews (continues to next page)

Abbreviations:

NEI -Nuclear Energy Institute NRO -Office of New Reactors NRR -Office of Nuclear Reactor Regulation RES -Office of Nuclear Regulatory Research CNWRA -Center for Nuclear Waste Regulatory Analyses APS -Arizona Public Service Company Organization NRC/NRO NRC/NRO NRC/RES NRC/RES NRC/NRR NRC/NRR NRC/NRO NRC/NRR NRC/RES NRC/NRO NRC/NRO NRC/NRO CNWRA APS APS APS APS Enclosure Name Organization Ross Hartleb APS Chris Wendell APS Carola Di Alessandro Geopentech Gabriel Toro Lettis Consultants Michael Powell APS Attendees Via Webinar or Telephone Name Organization Name Organization William Lettis Lettis Consultants Douglas Perterson APS Olga Ktenidou Scott Lindvall Lettis Consultants Arash Zandieh Nawaporn Aarons Lettis Consultants Cooke APS Robin McGuire Lettis Consultants Kahtan Jabbour Paul Hom APS Norm Abrahamson Berkeley Lisa Walsh NRC Please direct any inquiries to me at 301-415-1617 or by e-mail at Frankie.Vega@nrc.gov.

Sincerely, IRA/ Frankie G. Vega, Project Manager Hazards Management Branch Japan Lessons-Learned Division Office of Nuclear Reactor Regulation Docket Nos. 50-528, 50-529, and 50-530

Enclosure:

List of Attendees cc w/encl: Distribution via Listserv DISTRIBUTION:

PUBLIC JLD R/F AKock,NRO DJackson, NRO CMunson, NRO JAke, RES RidsNroOd RidsOgcMailCenter ADAMS Accession No.: ML 15173A289 OFFICE NRR/JLD/JHMB/PM NAME FVega DATE 06/24/15 OFFICE NRR/JLD/JHMB/BC NAME MShams DATE 06/30/15 RidsAcrsAcnw

_MailCTR FVega,NRR Difrancesco, NRR KManoly, NRR LYong, NRR MShams, NRR RidsNrrPMPaloVerde RidsNrrLASLent NRR/JLD/LA Slent 06/24/15 NRR/JLD/JHMB/PM FVega 06/30/15 OFFICIAL RECORD COPY RidsRgn4MailCenter RidsOpaMail RidsNroDsea RidsNrrDe TBrown, ACRS RidsNrrDorllp14-1

• concurrence via e-mail NRO/DSEA/RGS/BC DJackson 06/26/15