IR 05000317/2022006

Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Reports 05000317/2022006 and 05000318/2022006)

ML23059A044
Person / Time
Site:	Calvert Cliffs
Issue date:	03/01/2023
From:	Samson Lee NRC/RGN-I/DORS
To:	Rhoades D Constellation Energy Generation, Constellation Nuclear
References
IR 2022006
Download: ML23059A044 (1)

Text

March 1, 2023

SUBJECT:

ANNUAL ASSESSMENT LETTER FOR CALVERT CLIFFS NUCLEAR POWER PLANT, UNITS 1 AND 2 (REPORTS 05000317/2022006 AND 05000318/2022006)

Dear David Rhoades:

The U.S Nuclear Regulatory Commission (NRC) has completed its end-of-cycle performance assessment of Calvert Cliffs Nuclear Power Plant (Calvert Cliffs), Units 1 and 2, reviewing performance indicators (PIs), inspection results, and enforcement actions from January 1, 2022 through December 31, 2022. 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 Calvert Cliffs Unit 2 during the most recent quarter was within the Licensee Response Column (Column 1) of the NRCs Reactor Oversight Process (ROP) Action Matrix in Inspection Manual Chapter 0305, Operating Reactor Assessment Program, 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 Calvert Cliffs Unit 2.

The NRC determined the performance at Calvert Cliffs Unit 1 during the most recent quarter was within the Regulatory Response Column (Column 2) of the NRCs Reactor Oversight Process (ROP) Action Matrix in Inspection Manual Chapter 0305, Operating Assessment Program. This conclusion was based on a single inspection finding having low-to-moderate safety significance (i.e. White) in the Mitigating Systems Cornerstone originating in the third quarter of 2022, and all PIs within the expected range (i.e., Green).

Therefore, in addition to ROP baseline inspections, the NRC plans to conduct a supplemental inspection in accordance with Inspection Procedure 95001, Supplemental Inspection Response to Action Matrix Column 2 (Regulatory Response) Inputs. This inspection procedure is conducted to provide assurance that the root and contributing causes of risk significant performance issues are understood, the extent of condition and the extent of cause are identified, and the corrective actions are prompt and sufficient to prevent recurrence. This inspection will be scheduled when you notify the NRC of your readiness.

The enclosed inspection plan lists the inspections scheduled through December 31, 2024.

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 twelve 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.

In response to the COVID-19 public health emergency (PHE), the NRC adjusted inspection plans and schedules to safeguard the health and safety of both NRC and licensee staff while still effectively implementing the ROP. While the PHE continues, overall conditions throughout the country support performance of our inspection and oversight activities returning to normal onsite presence by our resident and region-based inspectors and completion of nominal baseline inspection samples. We continue to monitor site-specific conditions and, as discussed in our November 2, 2021, memo, Implementation of Inspection Programs Following Re-Entry from the Public Health Emergency for the Reactor Safety Program (Agencywide Documents Access and Management System (ADAMS) ML21295A302), it may be necessary to alter how and when we perform our inspection and oversight activities as we balance the importance of protecting the health and safety of our staff with the need to conduct effective oversight that supports the NRCs critical safety mission.

For inspections requiring extensive coordination with offsite organizations, such as evaluated emergency preparedness exercises, NRC guidance and frequently asked questions for security and emergency preparedness can be found here: https://www.nrc.gov/about-nrc/covid-19/security-ep/. Similarly, the NRC has developed guidance if force-on-force inspections cannot be completed as scheduled due to an emergency, such as the COVID-19 PHE. These changes help ensure the health and safety of both NRC and licensee staff while maintaining the NRCs important safety and security mission during the COVID-19 PHE. The attached inspection plan is accurate on the date of issuance but remains subject to change based on approval of potential exemption requests or other changes needed due to changing conditions in the COVID-19 PHE. NRC staff will contact your appropriate regulatory affairs staff in order to coordinate inspection planning and scheduling.

In addition to baseline inspections, the NRC plans to conduct Inspection Procedure 37060, 10 CFR 50.69 Risk-Informed Categorization and Treatment of Structures, Systems, and Components Inspection, at your facility.

Beginning on January 1, 2023, the engineering inspection frequency will transition from a triennial (3-year) to a quadrennial (4-year) cycle. The new engineering inspection program will consist of a Comprehensive Engineering Team Inspection (CETI) 1 and three Focused Engineering Inspections (FEIs) that will be performed in each quadrennial cycle. For the cycle beginning in 2023, the FEIs will be: Fire Protection Team Inspection, Commercial Grade

Aspects of the Design Basis Assurance Inspection (DBAI), Evaluations of Changes, Tests, & Experiments, and Heat Sink inspections will be included in the new CETI inspection. Previously scheduled Evaluation of Changes, Tests, & Experiments and Heat Sink inspections have been cancelled and removed from the attached Report 22. Dedication, and an engineering inspection that reviews age-related degradation and management 2.

In accordance with Title 10 of the Code of Federal Regulations (10 CFR) 2.390 of the NRCs Rules of Practice, a copy of this letter will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of NRC's document system (ADAMS). ADAMS is accessible from the NRCs website at http://www.nrc.gov/reading-rm/adams.html (the Public Electronic Reading Room).

Please contact Brice Bickett at (610) 337-5312 with any questions you have regarding this letter.

Sincerely, Digitally signed by Samuel S. Samuel S. Lee Date: 2023.03.01 Lee 09:10:08 -05'00'

Samuel Lee, Acting Director Division of Operating Reactor Safety Docket Nos. 05000317 and 05000318 License Nos. DPR-53 and DPR-69 Enclosure:

As stated cc w/ encl: Distribution via LISTSERV

The Age-Related Degradation procedure is publicly available and the NRC plans to implement the first inspection of this type beginning in July 2023.

ML23059A044 x Non-Sensitive x Publicly Available x SUNSI Review Sensitive Non-Publicly Available OFFICE RI/DORS RI/DORS RI/DORS NAME PFinney BBickett SLee DATE 2/23/2023 2/27/2023 2/28/2023

Site Inspection Activity Plan Calvert Cliffs 01/01/2023 - 12/31/2024 Unit Start End Activity CAC Title Staff Count Inservice Inspection - Calvert Cliffs Unit 2 1 2 2/21/2023 3/2/2023 IP 71111.08P 000702 Inservice Inspection Activities (PWR)

RP - 71124.01 Rad Hazards 1 1,2 2/27/2023 3/3/2023 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls Access Control, AA, FFD Sec Plan Review, PI, ISFSI-CC 3 1,2 4/3/2023 4/7/2023 IP 71130.01 000733 Access Authorization 1,2 4/3/2023 4/7/2023 IP 71130.02 000734 Access Control 1,2 4/3/2023 4/7/2023 IP 71130.08 000740 Fitness For Duty Program 1,2 4/3/2023 4/7/2023 IP 71130.09 001656 Security Plan Changes 1,2 4/3/2023 4/7/2023 IP 71151 001338 Performance Indicator Verification 1,2 4/3/2023 4/7/2023 IP 81311 000831 Physical Security Requirements for Independent Spent Fuel Storage Installations 10 CFR 50.69 - Risk Informed SSC Implementation - Calvert Cliffs 4 1,2 4/10/2023 4/14/2023 IP 37060 000521 10 CFR 50.69 Risk-Informed Categorization and Treatment of Structures, Systems, and Components Inspection 1,2 4/24/2023 4/28/2023 IP 37060 000521 10 CFR 50.69 Risk-Informed Categorization and Treatment of Structures, Systems, and Components Inspection RP - 71124.05 Instruments 1 1,2 4/10/2023 4/14/2023 IP 71124.05 000729 Radiation Monitoring Instrumentation Commercial Grade Dedication- Calvert Cliffs 3 1,2 5/22/2023 5/26/2023 IP 71111.21N.03 001808 Commercial Grade Dedication 1,2 6/5/2023 6/9/2023 IP 71111.21N.03 001808 Commercial Grade Dedication FY23 Calvert Cliffs Initial License Exam 4 1,2 5/7/2023 5/12/2023 OV 000956 FB-OR-ONSITE VALIDATION OF INITIAL LICENSE EXAMINATION (OV)

1,2 6/4/2023 6/16/2023 EXAD 000500 FB-OR-INITIAL LICENSE EXAM ADMINISTRATION (EXAD)

Cyber Security - Calvert Cliffs 4 1,2 8/21/2023 8/25/2023 IP 71130.10 000741 Cybersecurity EP PROGRAM INSPECTION 1 1,2 9/11/2023 9/15/2023 IP 71114.02 000717 Alert and Notification System Testing 1,2 9/11/2023 9/15/2023 IP 71114.03 000718 Emergency Response Organization Staffing and Augmentation System 1,2 9/11/2023 9/15/2023 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 9/11/2023 9/15/2023 IP 71114.05 000720 Maintenance of Emergency Preparedness 1,2 9/11/2023 9/15/2023 IP 71151 001397 Performance Indicator Verification RP - 71124.08 Rad Waste and 71151 PIV 1 Prepared on 2/22/2023 8:16:02 AM 1 of 2

Site Inspection Activity Plan 1,2 9/11/2023 9/15/2023 IP 71124.08 000732 Radioactive Solid Waste Processing & Radioactive Material Handling, Storage, & Transportation PI&R Team Inspection - CC 4 1,2 10/16/2023 10/20/2023 IP 71152B 000747 Problem Identification and Resolution 1,2 10/30/2023 11/3/2023 IP 71152B 000747 Problem Identification and Resolution Calvert Cliffs Requal Inspection with P/F Results 2 1,2 11/26/2023 12/1/2023 IP 71111.11A 000703 Licensed Operator Requalification Program and Licensed Operator Performance 1,2 11/26/2023 12/1/2023 IP 71111.11B 000704 Licensed Operator Requalification Program and Licensed Operator Performance Inservice Inspection - Calvert Cliffs Unit 1 1 1 2/12/2024 2/23/2024 IP 71111.08P 000702 Inservice Inspection Activities (PWR)

RP - 71124.01 Rad Hazards 1 1,2 2/12/2024 2/16/2024 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls Focused Engineering Inspection - Aging Related 3 1,2 4/8/2024 4/12/2024 IP 71111.21N.04 001832 Age-Related Degradation 1,2 4/22/2024 4/26/2024 IP 71111.21N.04 001832 Age-Related Degradation RP - 71124.03 Airborne and 71124.04 Dose 1 1,2 5/6/2024 5/10/2024 IP 71124.03 000727 In-Plant Airborne Radioactivity Control and Mitigation 1,2 5/6/2024 5/10/2024 IP 71124.04 000728 Occupational Dose Assessment FY24 Calvert Cliffs Initial License Examination 4 1,2 4/15/2024 4/19/2024 OV 000956 FB-OR-ONSITE VALIDATION OF INITIAL LICENSE EXAMINATION (OV)

1,2 6/10/2024 6/14/2024 EXAD 000500 FB-OR-INITIAL LICENSE EXAM ADMINISTRATION (EXAD)

Access Control, Protective Strategy, TSR, SPR 4 1,2 6/24/2024 6/28/2024 IP 71130.02 000734 Access Control 1,2 6/24/2024 6/28/2024 IP 71130.05 000737 Protective Strategy Evaluation 1,2 6/24/2024 6/28/2024 IP 71130.09 001656 Security Plan Changes 1,2 6/24/2024 6/28/2024 IP 71130.14 000743 Review of Power Reactor Target Sets 1,2 6/24/2024 6/28/2024 IP 71151 001338 Performance Indicator Verification EP Exercise Inspection - Calvert Cliffs 5 1,2 9/9/2024 9/13/2024 IP 71114.01 000716 Exercise Evaluation 1,2 9/9/2024 9/13/2024 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 9/9/2024 9/13/2024 IP 71151 001397 Performance Indicator Verification RP - 71124.06 RETS and 71151 PIV 1 1,2 9/9/2024 9/13/2024 IP 71124.06 000730 Radioactive Gaseous and Liquid Effluent Treatment Prepared on 2/22/2023 8:16:02 AM 2 of 2