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:
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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 Address Findings and Information Meeting performance in 2022 Performance Indicators 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 1

2 NRC NRC 3

4 Implemented in each Involves inspection and Executed by regional of the NRCs four assessment activities and resident inspectors regions 7

Reactor Oversight Framework 8

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

NRC Annual Assessment Summary North Anna Power Station 10

NRC Annual Assessment Summary North Anna Power Station 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 11

NRC Inspection Activities North Anna for 2022 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 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 North Anna (1 of 2)

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) 14

NRC Inspection Findings North Anna (2 of 2)

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) 15

NRC Annual Assessment Summary Surry Power Station 16

NRC Annual Assessment Summary Surry Power Station 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 17

NRC Inspection Activities Surry Power Station for 2022 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 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 Surry (1 of 3)

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) 20

NRC Inspection Findings Surry (2 of 3)

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) 21

NRC Inspection Findings Surry (3 of 3)

Two findings identified in the Security Cornerstone (IR 2022404) 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 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.

Nuclear Regulatory Commission l Region II May 9, 2023 26

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