ML23103A348

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Annual Assessment Meeting Presentation for North Anna and Surry
ML23103A348
Person / Time
Site: Surry, North Anna  Dominion icon.png
Issue date: 04/14/2023
From:
Division Reactor Projects II
To:
References
Download: ML23103A348 (1)
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NORTH ANNA SURRY 2022 Annual Assessment Meeting Reactor Oversight Process Nuclear Regulatory Commission - Region II

Purpose Discuss licensee performance in 2022 Address Findings and Performance Indicators Information Meeting with a Q&A Session 2

Agenda

Introductions

NRC Mission Statement and Strategic Goals NRC Resident Inspector Program Reactor Oversight Process Review Annual Assessment Summary North Anna Surry Questions/Answers 3

Introductions

North Anna Resident Inspectors Kenya Carrington - Senior Resident Inspector Daniel Turpin - Resident Inspector Surry Resident Inspectors Silas Kennedy - Senior Resident Inspector Brian Towne - Resident Inspector Regional Personnel Matt Fannon - Branch Chief Adam Wilson - Senior Project Engineer Jamin Seat - Senior Project Engineer 4

NRC Mission Statement and Strategic Goals 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 Safety Strategic Goal-Ensure the safe use of radioactive materials Security Strategic Goal - Ensure the secure use of radioactive materials 5

Resident Inspector Program Resident inspectors live in the communities they serve Perform inspections onsite at North Anna and Surry Provide daily oversight of plant activities, including the control room Routinely discuss safety concerns with plant personnel and senior management Observe emergency drills and provide support to NRC decision makers for actual emergencies or emergent issues 6

NRC Reactor Oversight Process Implemented in each of the NRCs four regions Involves inspection and assessment activities Executed by regional and resident inspectors 1

2 3

4 NRC NRC 7

Reactor Oversight Framework 8

Reactor Oversight Inputs and Oversight Performance Indicators Performance within an expected level; Cornerstone objectives are met Performance outside expected range; Cornerstone objectives are still being met Related cornerstone objectives are being met; Minimal reduction in the safety margin Signals a significant reduction in safety margin in the area measured Findings Very low safety or security significance Low to moderate safety or security significance Substantial safety or security significance High safety or security significance Oversight Baseline Inspection Requires additional NRC oversight Requires more NRC oversight Requires most NRC oversight INCREASING SAFETY SIGNIFICANCE INCREASING NRC OVERSIGHT WHITE GREEN YELLOW RED 9

NRC Annual Assessment Summary North Anna Power Station 10

NRC Annual Assessment Summary Dominion/North Anna operated the plant safely and in a manner that preserved the public health and safety and protected the environment North Anna Units 1 and 2 were in the Licensee Response Column of the NRCs ROP Action Matrix for all of 2022 NRC plans to conduct routine baseline inspections at North Anna for 2023 North Anna Power Station 11

NRC Inspection Activities Approximately 5747 hours0.0665 days <br />1.596 hours <br />0.0095 weeks <br />0.00219 months <br /> of inspection and related activities 2 resident inspectors assigned for onsite inspection coverage throughout the year 8 regional inspections North Anna for 2022 12

North Anna PIs and Findings January 1 through December 31, 2022 All Green Performance Indicators Seven Green / Severity Level IV inspection findings 13

NRC Inspection Findings Inadequate Cable Separation for Vital AC Bus Control Power and Monitoring Circuits (Inspection Report (IR) 2022001)

Failure to Translate the Licensing Basis into Instructions for Fuel Handling Activities (IR 2022001)

Failure to Verify the Effects of Overstressing the Backseat of Valves (IR 2022010)

Failure to Address Faulted Conditions for Valve Analysis (IR 2022010)

North Anna (1 of 2) 14

NRC Inspection Findings Failure to Verify Adequacy of Assumptions (IR 2022003)

Failure to Follow Procedure Results in 2J Emergency Diesel Generator Fuel Oil Transfer Pump Isolation Valve Being Closed During Performance Test (IR 2022003)

One finding identified in the Security Cornerstone (IR 2022440)

North Anna (2 of 2) 15

NRC Annual Assessment Summary Surry Power Station 16

NRC Annual Assessment Summary Dominion/Surry operated the plant safely and in a manner that preserved the public health and safety and protected the environment Surry Units 1 and 2 were in the Licensee Response Column of the NRCs ROP Action Matrix for all of 2022 NRC plans to conduct routine baseline inspections at Surry for 2023 Surry Power Station 17

NRC Inspection Activities Approximately 5501 hours0.0637 days <br />1.528 hours <br />0.0091 weeks <br />0.00209 months <br /> of inspection and related activities 2 resident inspectors assigned for onsite inspection coverage throughout the year 11 regional inspections Surry Power Station for 2022 18

Surry PIs and Findings January 1 through December 31, 2022 All Green Performance Indicators Ten Green / Severity Level IV Inspection Findings 19

NRC Inspection Findings Failure to Verify DC Crosstie Design (IR 2022010)

Failure to Restore Turbine Driven Auxiliary Feedwater Pump Trip Hook Latch-up Mechanism in accordance with Operating and Test Procedures (IR 2022001)

Transient Combustible Stored in a Restricted Area (IR 2022011)

Forced Air Cooling to the Dry Shielded Canister and Transfer Cask annulus (IR 2022003)

Surry (1 of 3) 20

NRC Inspection Findings Boiling in the Dry Shielded Canister and Transfer Cask annulus (IR 2022003)

Inadequate Cause Evaluation for #1 Emergency Diesel Generator Failure (IR 2022004)

Failure to Manage Risk During "C" Reserve Station Service Transformer Maintenance (IR 2022004)

Transient Combustible Stored in a Restricted Area (IR 2022004)

Surry (2 of 3) 21

NRC Inspection Findings Two findings identified in the Security Cornerstone (IR 2022404)

Surry (3 of 3) 22

Questions for the NRC?

North Anna Senior Resident Inspector - Kenya.Carrington@nrc.gov l 404.997.5193 Main Office - 404.997.5190 Surry Senior Resident Inspector - Silas.Kennedy@nrc.gov l 404.997.5261 Main Office - 404.997.5260

Getting in Touch with the NRC Website - www.nrc.gov Report an Emergency - 301-816-5100 Safety Concern or Allegations 800-695-7403 l allegation@nrc.gov Questions/Information - 404-997-4417 l OPA2.Resource@nrc.gov 24

NRC Social Media

Questions and Feedback Nuclear Regulatory Commission l Region II May 9, 2023 Public Meeting Feedback Form:

Navigate to the Public Meeting Schedule (recently held) and click the Meeting Feedback link for this meeting or press the [more] link for this meeting and then click the Meeting Feedback link on the Meeting Details page.

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