ML24269A213

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End-of-Cycle Meeting Presentation - Oct. 2024
ML24269A213
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/10/2024
From: Hayes M
NRC/RGN-IV/DRSS
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Download: ML24269A213 (1)


Text

The NRC and Diablo Canyon Nuclear Regulatory Commission Presentation to the Diablo Canyon Independent Safety Committee Mahdi Hayes Senior Resident Inspector, Diablo Canyon Power Plant October 10, 2024

Agenda 2

Overview of the NRC Overview of the resident inspector program Overview of the regulatory process Comments and questions

Overview of the NRC 3

NRC Mission The NRC licenses and regulates the Nation's civilian use of radioactive materials to provide reasonable assurance of adequate protection of public health and safety and to promote the common defense and security and to protect the environment.

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Overview of the resident inspector program 7

Diablo Canyon Resident Inspectors

  • Mahdi Hayes, Senior Resident Inspector
  • Eli Garcia, Resident Inspector 8

Diablo Canyon Senior Resident Inspector 9

Mahdi Hayes

  • B.S. Texas A&M University
  • Resident Inspector at Columbia Generating Station
  • Operating License Examiner in Region 4

Diablo Canyon Resident Inspector 10 Eli Garcia

  • B.S. Texas A&M University
  • Reactor Engineer in Region 1
  • Resident Inspector at Salem Nuclear Generating Station

Role of the Resident Inspectors Regulation verification

  • Conduct in-depth baseline inspections Communication
  • We are the eyes and ears of the NRC
  • Provide operational awareness and detailed facility knowledge
  • Emergency response - 1st NRC responders - prompt and independent information and assessment 11

Inspection Activities

  • A baseline inspection program is performed at each site
  • Cross-section of licensees activities
  • Additional inspections may be performed Greater than Green issues Response to operational events Substantive adverse trends 12

2023 Annual Assessment

  • PG&E operated the plant safely and in a manner that preserved the public health and safety and protected the environment
  • Licensee Response Column
  • Green Performance Indicators
  • Green Performance Deficiencies
  • 9 Green Non-Cited Violations; 1 Green Finding
  • Baseline inspections in 2024 13

Diablo Canyon Power Plant Inspection Activities NRC completed ~1,500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> of direct inspection

(~7200 hours total)

  • Resident inspection baseline inspection

Inspection Reports

  • Inspection reports are publicly available
  • Inspection findings are evaluated for safety, regulatory, and risk significance, as well as enforcement
  • Findings and performance indicators are used for the agencys periodic performance assessments 15

16 Overview of the regulatory process

How We Regulate:

Regulatory Framework 17

How We Regulate:

Reactor Oversight Process 18

How We Regulate:

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How We Regulate:

Significance Colors in the SDP

  • GREEN (Licensee Response Band )
  • Cornerstone objectives fully met. Nominal risk with nominal deviation from expected performance.
  • Cornerstone objectives met with minimal reduction in safety margin. Changes in performance consistent with CDF<10-5 (LERF<10-6).
  • YELLOW (Required Regulatory Response Band )
  • Cornerstone objectives met with significant reduction in safety margin. Changes in performance consistent with CDF<10-4 (LERF<10-5).
  • RED (Extensive Regulatory Response Band )
  • Performance within the cornerstone represents an unacceptable loss of safety margin. Changes in performance consistent with CDF>10-4 (LERF >10-5). Sufficient safety margin still exists to prevent undue risk to public health and safety.

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How We Regulate: Action Matrix 21

Publicly Available Information The NRC places a high priority on keeping the public and stakeholders informed of its activities.

  • At www.nrc.gov, you can:

Find site specific oversight information Public meeting dates and transcripts; Read NRC testimony, speeches, press releases, and policy decisions; and Access the agencys Electronic Reading Room to find NRC publications and documents.

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Contacting the NRC Report an emergency (301) 816-5100 (collect calls accepted)

Report a safety concern (800) 695-7403 Allegation@nrc.gov General information or questions www.nrc.gov Select What We Do for Public Affairs 23

Questions?

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