ML25066A124
| ML25066A124 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 03/11/2025 |
| From: | Mark Franke NRC/RGN-II/DORS/PB5 |
| To: | Erb D Tennessee Valley Authority |
| References | |
| IR 2024006 | |
| Download: ML25066A124 (5) | |
Text
March 11, 2025 Delson Erb Vice President, OPS Support Tennessee Valley Authority 1101 Market Street, LP 4A-C Chattanooga, TN 37402-2801
SUBJECT:
ANNUAL ASSESSMENT LETTER FOR WATTS BAR NUCLEAR PLANT, UNITS 1 AND 2 - REPORT 05000390/2024006 AND 05000391/2024006
Dear Delson Erb:
The Nuclear Regulatory Commission (NRC) has completed its end-of-cycle performance assessment of Watts Bar Nuclear Plant, Units 1 and 2, reviewing performance indicators (PIs),
inspection results, and enforcement actions from January 1, 2024, through December 31, 2024.
This letter informs you of the NRCs assessment of your facility during this period and its plans for future inspections at your facility. The NRC concluded that overall performance at your facility preserved public health and safety. The baseline inspection program was completed at your facility as defined in Inspection Manual Chapter 2515, Light-Water Reactor Inspection Program - Operations Phase.
The NRC determined the performance at Watts Bar Nuclear Plant, Units 1 and 2, during the most recent quarter was within the Licensee Response Column (Column 1), the highest performance category of the NRCs Reactor Oversight Process (ROP) Action Matrix, because all inspection findings had very low safety significance (i.e., Green), and all PIs were within the expected range (i.e., Green). Therefore, the NRC plans to conduct ROP baseline inspections at your facility.
Watts Bar Unit 1 transitioned from the Regulatory Response Column (Column 2) to the Licensee Response Column effective June 13, 2024, following completion of the 95001 supplemental inspection related to a Greater-than-Green inspection finding in the Security cornerstone (ADAMS ML24191A271). Watts Bar Unit 2 transitioned from Column 2 to Column 1 effective December 12, 2024, following completion of the 95001 supplemental inspection related to a White PI for Unplanned Scrams per 7000 Critical Hours (ADAMS ML25013A198).
Although plant performance for the most recent quarter was within the Licensee Response Column, the NRC has not yet finalized the significance of apparent violation (AV) 05000390,05000391/2024004-01, Failure to Identify a Failure Mechanism for Inlet Dampers not Opening Challenged 2A-A EDG Operability. The final safety significance determination may affect the NRCs assessment of plant performance and the enclosed inspection plan.
D. Erb 2
The enclosed inspection plan lists the inspections scheduled through December 31, 2026. The NRC provides the inspection plan to allow for the resolution of any scheduling conflicts and personnel availability issues. Routine inspections performed by resident inspectors are not included in the inspection plan. The inspections listed during the last 12 months of the inspection plan are tentative and may be revised. The NRC will contact you as soon as possible to discuss changes to the inspection plan should circumstances warrant any changes.
This letter and its enclosure will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with Title 10 of the Code of Federal Regulations 2.390, Public Inspections, Exemptions, Requests for Withholding.
Please contact Louis McKown at (404) 997-4545 with any questions you may have regarding this letter.
Sincerely, Mark Franke, Director Division of Operating Reactor Safety Docket Nos. 05000390 and 05000391 License Nos. NPF-90 and NPF-96
Enclosure:
Watts Bar Inspection/Activity Plan (03/01/2025 - 12/31/2026) cc w/ encl: Distribution via LISTSERV Signed by Franke, Mark on 03/11/25
SUNSI Review X
Non-Sensitive
Sensitive X
Publicly Available
Non-Publicly Available OFFICE RII / DORS RII / DORS RII / DORS RII / DORS NAME N. Childs D. Hardage L. McKown M. Franke DATE 3/7/25 3/10/25 3/10/25 3/11/25
Site Inspection Activity Plan Watts Bar 03/01/2025 - 12/31/2026 Unit Start End Activity CAC Title Staff Count WATTS BAR RETAKE EXAM 1
1,2 3/23/2025 3/28/2025 OV 000956 FB-OR-Onsite Validation Of Initial License Examination (OV)
CYBER SECURITY INSPECTION 1,2 3/31/2025 4/4/2025 IP 71130.10 000741 Cybersecurity 4
RP OCCUPATIONAL RAD SAFETY BASELINE INSPECTION 2
1,2 4/14/2025 4/18/2025 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 4/14/2025 4/18/2025 IP 71124.03 000727 In-Plant Airborne Radioactivity Control and Mitigation 1,2 4/14/2025 4/18/2025 IP 71124.04 000728 Occupational Dose Assessment 1,2 4/14/2025 4/18/2025 IP 71124.05 000729 Radiation Monitoring Instrumentation 1,2 4/14/2025 4/18/2025 IP 71151 000746 Performance Indicator Verification 1,2 4/28/2025 5/2/2025 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 4/28/2025 5/2/2025 IP 71124.03 000727 In-Plant Airborne Radioactivity Control and Mitigation 1,2 4/28/2025 5/2/2025 IP 71124.04 000728 Occupational Dose Assessment 1,2 4/28/2025 5/2/2025 IP 71124.05 000729 Radiation Monitoring Instrumentation 1,2 4/28/2025 5/2/2025 IP 71151 000746 Performance Indicator Verification UNIT 2 IN-SERVICE INSPECTION 1
SECURITY BASELINE INSPECTION 1
1,2 5/12/2025 5/15/2025 IP 71130.02 000734 Access Control 1,2 5/12/2025 5/15/2025 IP 71130.09 001656 Security Plan Changes 1,2 5/12/2025 5/15/2025 IP 71151 001338 Performance Indicator Verification PROBLEM IDENTIFICATION AND RESOLUTION 4
1,2 8/4/2025 8/8/2025 IP 71152B 000747 Problem Identification and Resolution 1,2 8/18/2025 8/22/2025 IP 71152B 000747 Problem Identification and Resolution EMERGENCY PREPAREDNESS EXERCISE INSPECTION 5
1,2 11/17/2025 11/21/2025 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 11/17/2025 11/21/2025 IP 71114.07 000722 Exercise Evaluation - Hostile Action (HA) Event 1,2 11/17/2025 11/21/2025 IP 71151 001397 Performance Indicator Verification WATTS BAR INITIAL EXAM 4
1,2 12/15/2025 12/19/2025 OV 000956 FB-OR-Onsite Validation Of Initial License Examination (OV) 1,2 1/11/2026 1/24/2026 EXAD 000500 FB-OR-Initial License Exam Administration (EXAD)
TVA CORPORATE SECURITY INSPECTION AA/FFD (WB) 2 1,2 1/12/2026 1/15/2026 IP 71130.01 000733 Access Authorization Prepared on 2/27/2025 10:11:04 AM 1 of 2 2
4/21/2025 5/2/2025 IP 71111.08P 000702 Inservice Inspection Activities (PWR)
Site Inspection Activity Plan COMPREHENSIVE ENGINEERING TEAM INSPECTION (CETI) 7 1,2 2/9/2026 2/13/2026 IP 71111.21M 000713 Comprehensive Engineering Team Inspection 1,2 2/23/2026 2/27/2026 IP 71111.21M 000713 Comprehensive Engineering Team Inspection SECURITY BASELINE INSPECTION 3
1,2 3/23/2026 3/26/2026 IP 71130.01 000733 Access Authorization 1,2 3/23/2026 3/26/2026 IP 71130.02 000734 Access Control 1,2 3/23/2026 3/26/2026 IP 71130.08 000740 Fitness-For-Duty Program 1,2 3/23/2026 3/26/2026 IP 71130.09 001656 Security Plan Changes 1,2 3/23/2026 3/26/2026 IP 71130.14 000743 Review of Power Reactor Target Sets 1,2 3/23/2026 3/26/2026 IP 71151 001338 Performance Indicator Verification UNIT 1 IN-SERVICE INSPECTION +SG 1
1 4/27/2026 5/8/2026 IP 71111.08P 000702 Inservice Inspection Activities (PWR)
SECURITY BASELINE INSPECTION 2
WATTS BAR REQUAL INSPECTION 2
RP PUBLIC RAD SAFETY BASELINE INSPECTION 2
1,2 7/27/2026 7/31/2026 IP 71124.06 000730 Radioactive Gaseous and Liquid Effluent Treatment 1,2 7/27/2026 7/31/2026 IP 71124.07 000731 Radiological Environmental Monitoring Program 1,2 7/27/2026 7/31/2026 IP 71151 000746 Performance Indicator Verification UNIT 2 IN-SERVICE INSPECTION +SG 1
RP OCCUPATIONAL RAD SAFETY AND TRANSPORTATION BASELINE INSPECTION 2
1,2 11/16/2026 11/20/2026 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 11/16/2026 11/20/2026 IP 71124.08 000732 Radioactive Solid Waste Processing & Radioactive Material Handling, Storage, & Transportation 1,2 11/16/2026 11/20/2026 IP 71151 000746 Performance Indicator Verification EMERGENCY PREPAREDNESS PROGRAM INSPECTION 2
1,2 11/30/2026 12/4/2026 IP 71114.02 000717 Alert and Notification System Testing 1,2 11/30/2026 12/4/2026 IP 71114.03 000718 Emergency Response Organization Staffing and Augmentation System 1,2 11/30/2026 12/4/2026 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 11/30/2026 12/4/2026 IP 71114.05 000720 Maintenance of Emergency Preparedness 1,2 11/30/2026 12/4/2026 IP 71151 001397 Performance Indicator Verification 2 of 2 1,2 1/12/2026 1/15/2026 IP 71130.08 000740 Fitness-For-Duty Program 1,2 7/20/2026 7/24/2026 IP 71111.11B 000704 Licensed Operator Requalification Program and Licensed Operator Performance 2
11/16/2026 11/27/2026 IP 71111.08P 000702 Inservice Inspection Activities (PWR) 1,2 6/22/2026 6/25/2026 IP 71130.04 000736 Equipment Performance, Testing, and Maintenance 1,2 6/22/2026 6/25/2026 IP 71130.07 000739 Security Training