ML21076A332

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3/18/21 - Annual Assessment Meeting for Millstone Power Station - Presentation Slides
ML21076A332
Person / Time
Site: Millstone  Dominion icon.png
Issue date: 03/18/2021
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Reactor Projects Branch 2
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Draxton M
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Download: ML21076A332 (13)


Text

Millstone Annual Assessment Meeting Welcome!

This meeting will start shortly If calling in using the phone:

Dial-in Number: (301) 576-2978 Phone Conference ID: 934440395#

Millstone Annual Assessment Meeting Reactor Oversight Process - 2020 Nuclear Regulatory Commission - Region I King of Prussia, PA March 18, 2021 1

2 Millstone March 18, 2021 Annual Assessment Meeting

Agenda Opening Remarks - Dan Schroeder 2020 Millstone ROP Assessment Summary - Dan Schroeder COVID-19 Response - Dan Schroeder Nuclear Energy Advisory Council (NEAC) Items of Interest

- Millstone Resident Inspector Summary - Justin Fuller

- Millstone 2020 Unplanned Power Changes - Justin Fuller

- Notification of Unusual Event (Earthquake) - Justin Fuller

- Millstone Significant License Changes - Rich Guzman Discussion with members of the Connecticut NEAC - Dan Schroeder Public Question and Answer - Dan Schroeder 3

03/18/2021 How To Ask a Question

  • Questions will be addressed during the question and answer session following the presentation and discussion with NEAC,
  • If youre on your computer, raise your hand to indicate you have a question,
  • If on the phone, please press *6 to unmute your phone and ask your question 03/18/2021 4

3 4

Millstone March 18, 2021 Annual Assessment Meeting

If You Are Having Technical Issues

  • Please contact Technical Support:

- Mark Marziale

  • (610) 337-5062
  • Email: Mark.Marziale@nrc.gov

- or -

- Colleen Picciotto

  • (610) 337-5202
  • Email: Colleen.Picciotto@nrc.gov 5

03/18/2021 Todays Presenters 6

03/18/2021 Daniel Schroeder Branch Chief Division of Reactor Projects Justin Fuller Senior Resident Inspector Richard Guzman NRC Project Manager Nuclear Reactor Regulation 5

6 Millstone March 18, 2021 Annual Assessment Meeting

Opening Remarks

  • Three full-time residents assigned to Millstone
  • Inspectors have unfettered access to all areas of the site
  • Technical specialists conduct additional inspection activities
  • Inspectors have adapted to COVID-19 work environment 7

03/18/2021 Millstone 2020 Assessment Summary

  • Millstone Units 2 & 3 operated safely and in a manner that preserved the public health and safety and protected the environment
  • Millstone Units 2 & 3 remained in the Licensee Response Column of the Action Matrix
  • 8,210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br /> of inspection and related activities
  • All Green Performance Indicators
  • 6 Green Non-Cited Violations (NCVs)
  • 2 SL-IV Violations 8

03/18/2021 7

8 Millstone March 18, 2021 Annual Assessment Meeting

NRC Actions in Response to COVID-19

  • Monitoring plant activities through inspections and oversight
  • Maintaining emergency response capabilities within Regional Incident Response Centers and NRC Headquarters
  • Risk-informing eyes-on inspections through residents and regional inspections 9

03/18/2021 NRC Requirements Related to COVID-19

  • Minimum Shift Staffing

- Operators

- Security

- Emergency Response Organization

10 Millstone March 18, 2021 Annual Assessment Meeting

Millstone Response to COVID-19

  • Dominion staff has followed CDC prevention guidelines during the national health emergency
  • Implemented social distancing guidelines, mask wearing requirements, and encouraged telework for many employees
  • Asked employees to stay home if they have symptoms
  • Dominion employed COVID-19 Testing 11 03/18/2021 Inspection Impact Due to COVID-19 12 03/18/2021 INSPECTIONS DEFERRED/DELAYED BEYOND CY 2020 DUE TO COVID-19 Inspection Procedure # - Title Originally Scheduled Date New Scheduled Date Date Required to be Completed By IP 71114 Exercise Evaluation June 2020 June 2021 12/31/2021 IP 71111.11B U2 Licensed Operator Requalification Program November 2020 September 2021 12/31/2021 COVID-19 related licensing actions:
  • Temporary and final exemption from the annual force-on-force exercise requalification requirements of security personnel
  • License Amendment for one-time deferral of the MPS3 steam generator (SG) tube inspections for MPS3 SGs A and C from fall 2020 to spring 2022 11 12 Millstone March 18, 2021 Annual Assessment Meeting

Connecticut Nuclear Energy Advisory Council Items of Interest 13 03/18/2021 Millstone Resident Inspectors Eben Allen Resident Inspector 14 03/18/2021 Earl Bousquet Resident Inspector Justin Fuller Sr. Resident Inspector 13 14 Millstone March 18, 2021 Annual Assessment Meeting

NEAC Item of Interest -

Millstone 2020 Unplanned Power Changes 15 03/18/2021 Date Unit Impact Cause April 1 3

Reactor Trip Ground Fault April 13 3

Reactor Trip Weather Related Aug. 4 2

76%

Weather Related Aug. 4 3

43%

Weather Related Nov. 15 2

83%

Weather Related Dec. 31 3

Forced Outage Feedwater Heater Repairs NEAC Item of Interest -

Notification of Unusual Event (Earthquake)

  • November 8, 2020
  • Magnitude 3.6
  • Timely notifications
  • Independent walkdowns
  • No plant damage
  • Seismic housekeeping 16 03/18/2021 15 16 Millstone March 18, 2021 Annual Assessment Meeting

NEAC Other Items of Interest

  • Spent fuel cask weld discoloration
  • 2019 Voluntary Retirement Program (VRP) impact on Millstone performance
  • Unit 3 turbine control system troubleshooting 17 03/18/2021 18 03/18/2021 Richard Guzman NRC Senior Project Manager Office of Nuclear Reactor Regulation 17 18 Millstone March 18, 2021 Annual Assessment Meeting

NEAC Item of Interest -

Millstone Significant License Changes

  • Millstone Unit 2 Steam Generator Inspection Frequency Technical Specification Revision
  • Millstone Unit 3 Technical Specification Changes - based on Westinghouse Topical Reports

- Core Operating Limits Report for Large Break Loss of Coolant Accident analysis

- Peak Fuel Centerline Melt Temperature Safety Limits 19 03/18/2021 Office of Public Affairs Diane Screnci Diane.Screnci@nrc.gov 610-337-5330 03/18/2021 20 Neil Sheehan Neil.Sheehan@nrc.gov 610-337-5331 19 20 Millstone March 18, 2021 Annual Assessment Meeting

NRC Social Media Channels 21 03/18/2021 Facebook www.facebook.com/nrcgov/

Twitter twitter.com/nrcgov YouTube www.youtube.com/user/NRCgov Flickr www.flickr.com/photos/nrcgov/

LinkedIn www.linkedin.com/company/u-s--nuclear-regulatory-commission/

RSS www.nrc.gov/public-involve/listserver.html#rss Annual Assessment Meeting Feedback

1. Mail in NRC feedback form that will be emailed to all attendees

- OR -

2. Scan QR Code on back of form with smart device

- OR -

3. Through any computer by going to the Public Meeting Schedule and pressing the Meeting Feedback link for this meeting, or pressing the

[more] link for this meeting and then pressing the Meeting Feedback link on the Meeting Details page.

03/18/2021 22 21 22 Millstone March 18, 2021 Annual Assessment Meeting

Discussion with members of the Connecticut Nuclear Energy Advisory Council 23 03/18/2021 Q&A with Members of the Public

  • If on the computer, raise your hand when ready to ask your question,
  • If on the phone, please press *6 to unmute your phone and ask your question 03/18/2021 24 23 24 Millstone March 18, 2021 Annual Assessment Meeting

25 03/18/2021 This ends the Meeting Thank You for Attending!

25 Millstone March 18, 2021 Annual Assessment Meeting