ML23118A090

May 3, 2023, Diablo Public Meeting Slides

ML23118A090
Person / Time
Site:	Diablo Canyon
Issue date:	05/03/2023
From:	Harris B NRC/NRR/DNRL/NLRP
To:
References
Download: ML23118A090 (1)

Text

Diablo Canyon Units 1 and 2, Pre-Submittal License Renewal Process Overview and End of Cycle Assessment Webinar will begin shortly POC: Brian.Harris2@nrc.gov ADAMS ML23118A090

Meeting Logistics

• The NRC will provide an overview of end of cycle assessment and the license renewal process.

• Attendees will have an opportunity to ask questions or make comments.

• No regulatory decisions will be made at todays meeting.

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Overall Agenda Time Topic Speaker 6:00 pm (PST) Introduction/Opening Remarks NRC 6:05 pm (PST) End of Cycle Assessment NRC Presentation 6:15 pm (PST) License Renewal Overview NRC Presentation 6:40 pm (PST) PG&E Presentation PG&E 6:50 pm (PST) Public Comments All 9:00 pm (PST) Adjourn 3

Opening Remarks Robert Taylor John Monninger U.S. NRC U.S. NRC Deputy Office Director For New Reactors Region IV Office of Nuclear Reactor Regulation Deputy Regional Administrator 4

Introductions

• Rob Taylor, Deputy Office Director, Office of Nuclear Reactor Regulation (NRR)

• John Monninger, Regional Administrator, Region IV

• John Moses, Deputy Division Director, Office of Nuclear Material Safety and Safeguards (NMSS)

• Lauren Gibson, Branch Chief (NRR)

• Patricia Vossmar, Branch Chief, Region IV

• Brian Harris, Senior Project Manager, NRR

• Kim Conway, Environmental Project Manager, NMSS

Diablo Canyon 2022 End of Cycle Assessment May 3, 2023 Patricia Vossmar, Branch Chief RIV/DORS/PBA 6

Independent Plant Assessment Resident Inspectors Regional Inspectors Branch Chief Oversight Management Engagement 7

Reactor Oversight Process Performance Indicators + Findings

= Independent Plant Assessment 8

Significance Threshold

Baseline Inspection Performance  : Increases NRC oversight Indicators  :

Increases NRC oversight Increases NRC oversight

Very low significance safety Inspection issue Findings  :

Low to moderate safety issue Substantial safety issue

High safety issue 9

NRC Action Matrix Columns Plant Assessment = Performance Indicators + Findings Increasing Safety Significance 10

Independent Assessment Summary Diablo Canyon Power Plant, Units 1 and 2, operated safely and in a manner that preserved the public health and safety and protected the environment.

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• Licensed Operator Requalification Sample of Program and Performance

• Emergency Preparedness Upcoming 2023

• Radiation Protection Inspections

• Inservice Inspection

• Cybersecurity 12

License Renewal Process Overview May 3, 2023 Brian Harris, Senior Safety Project Manager Kim Conway, Environmental Project Manager 13

Agenda

• Background on request for resumption or an exemption

• License Renewal (SLR) Overview

- Safety Review

- Environmental Review 14

Background:

Diablo Canyon License Renewal

• The License Renewal Application (LRA) for Diablo Canyon Power Plant was submitted on November 23, 2009.

• On March 7, 2018, the licensee withdrew the previously submitted application.

• The current operating license expiration dates are November 2, 2024 and August 26, 2025, respectively.

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Background:

Request for Resumption or Exemption

• On October 31, 2022, the licensee requested resumption of prior LRA or an exemption to timely renewal

• On January 24, 2023, (ML22343A197) the staff notified PG&E of its decision to not resume review of the LRA

• On March 2, 2023, (ML23026A115) the staff granted exemption from 10 CFR 2.109 .

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Background:

10 CFR 2.109 (b)

"Timely Renewal Provision"

• 10 CFR 2.109(b) provides that if a nuclear power plant licensee files a sufficient license renewal application at least 5 years before the expiration of the existing license, the existing license will not be deemed to have expired until the application has been finally determined.

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Contents of Application

• General information about the plant owner or operator

• Technical information about plant structures and components and how the applicant proposes to manage plant aging

• Environmental Report 18

Process Overview Safety Review 10 CFR Part 54 License Environmental ACRS NRC Renewal Renewal Application Review Recommendation Decision (LRA) Accepted 10 CFR Part 51 10 CFR 54.25 10 CFR 54.29 Hearings*

10 CFR Part 2

• If a Request for Hearing is Granted 19

License Renewal Inspections

• IP 71013

• IP 71002

• Outage-based

• Scoping and inspection screening

• Unit 1, Fall 2023

• Aging Management

• Unit 2, Spring 2024 Programs

• Operating Experience

• Units 1&2 Summer 2024 20

Safety Review Milestones In-Office Acceptance Technical On-Site Audit Breakout Audit Review Review Audit Issue Safety Issue Audit Evaluation Report Safety Review Environmental ACRS NRC Renewal SLRA Accepted Review Recommendation Decision Hearings*

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Environmental Review

• National Environmental Policy Act (NEPA)

- Informs Federal decision making

- Public disclosure of environmental impacts and other considerations

• NRCs Environmental Regulations 10 CFR Part 51

• Staff review is to determine if the environmental impacts of license renewal are so great that license renewal would be unreasonable 22

Environmental Review (continued)

• Consider, analyze, and disclose environmental impacts of continued plant operation and alternatives to license renewal

• Identify and assess new and significant information regarding generic conclusions reached in the Generic EIS for License Renewal (LR GEIS)

• Staff evaluates site-specific issues in a Supplemental Environmental Impact Statement (SEIS) to the LR GEIS 23

Environmental Review Process (License Renewal)

License Renewal Application is Submitted Acceptance Review Scoping (Environmental Report)

Issue Draft SEIS for Environmental Audit Public Comment Prepare and Issue Hearing* NRC Decision Final SEIS

• If a Request for Hearing is Granted 24

Environmental Impact Statement

• Staff evaluates impacts to resources

- Fish and wildlife - Socioeconomics

- Water, air, terrestrial - Environmental justice resources - Human health

- Historical & cultural resources - Land use 25

Agency Coordination and Consultation EIS 26

Project Manager Contacts

• Brian Harris, Safety PM

- 301-415-2277

- Brian.Harris2@nrc.gov

• Kim Conway, Environmental PM

- 301-415-1335

- Kimberly.Conway@nrc.gov

• Sam Lee, Operating Reactor PM

- 301-415-3168

- Samson.Lee@nrc.gov 27