IR 05000352/2023501

Emergency Preparedness Biennial Exercise Inspection Report 05000352/2023501 and 05000353/2023501

ML23290A011
Person / Time
Site:	Limerick
Issue date:	10/17/2023
From:	Daniel Schroeder NRC/RGN-I/DORS
To:	Rhoades D Constellation Energy Generation, Constellation Nuclear
References
IR 2023501
Download: ML23290A011 (1)

Text

October 17, 2023

SUBJECT:

LIMERICK GENERATING STATION, UNITS 1 AND 2 - EMERGENCY PREPAREDNESS BIENNIAL EXERCISE INSPECTION REPORT 05000352/2023501 AND 05000353/2023501

Dear David Rhoades:

On September 28, 2023, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Limerick Generating Station, Units 1 and 2, and discussed the results of this inspection with Matt Bonanno, Plant Manager, and other members of your staff. The results of this inspection are documented in the enclosed report.

No findings or violations of more than minor significance were identified during this inspection.

This letter, its enclosure, and your response (if any) 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 (10 CFR) 2.390, Public Inspections, Exemptions, Requests for Withholding.

Sincerely, Digitally signed by Daniel Daniel L. L. Schroeder Date: 2023.10.17 Schroeder 09:41:00 -04'00'

Daniel L. Schroeder, Chief Security, Emergency Preparedness and Incident Response Branch Division of Radiological Safety and Security Docket Nos. 05000352 and 05000353 License Nos. NPF-39 and NPF-85

Enclosure:

As stated

Inspection Report

Docket Numbers: 05000352 and 05000353 License Numbers: NPF-39 and NPF-85 Report Numbers: 05000352/2023501 and 05000353/2023501 Enterprise Identifier: I-2023-501-0004 Licensee: Constellation Energy Generation, LLC Facility: Limerick Generating Station, Units 1 and 2 Location: Sanatoga, PA Inspection Dates: September 25, 2023 to September 28, 2023 Inspectors: C. Crisden, Allegations/Enforcement Specialist M. Henrion, Senior Health Physicist K. Hussar, Senior Physical Security Inspector J. Kepley, Operations Engineer J. Lilliendahl, Senior Emergency Response Coord S. Mercurio, Emergency Preparedness Inspector Approved By: Daniel L. Schroeder, Chief Security, Emergency Preparedness and Incident Response Branch Division of Radiological Safety and Security Enclosure

SUMMARY

The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting an emergency preparedness biennial exercise inspection at Limerick Generating Station, Units 1 and 2, in accordance with the Reactor Oversight Process.

The Reactor Oversight Process is the NRCs program for overseeing the safe operation of commercial nuclear power reactors. Refer to https://www.nrc.gov/reactors/operating/oversight.html for more information.

List of Findings and Violations

No findings or violations of more than minor significance were identified.

Additional Tracking Items

None.

INSPECTION SCOPES

Inspections were conducted using the appropriate portions of the inspection procedures (IPs) in effect at the beginning of the inspection unless otherwise noted. Currently approved IPs with their attached revision histories are located on the public website at http://www.nrc.gov/reading-rm/doc-collections/insp-manual/inspection-procedure/index.html. Samples were declared complete when the IP requirements most appropriate to the inspection activity were met consistent with Inspection Manual Chapter (IMC) 2515, Light-Water Reactor Inspection Program - Operations Phase. The inspectors reviewed selected procedures and records, observed activities, and interviewed personnel to assess licensee performance and compliance with Commission rules and regulations, license conditions, site procedures, and standards.

71114.04 - Emergency Action Level and Emergency Plan Changes

Inspection Review (IP Section 02.01-02.03) (1 Sample)

(1) The inspectors evaluated the following submitted Emergency Action Level and Emergency Plan changes:

• 22-53, EP-AA-1008, Evacuation Time Estimates for Limerick Generating Station Plume Exposure Pathway Emergency Planning Zone, Addendum 2, Revision 2

• 23-12, AR 4526511-08, EMNet Satellite Modem Replacement and Dish Realignment This evaluation does not constitute NRC approval.

71114.07 - Exercise Evaluation - Hostile Action (HA) Event

Inspection Review (IP Section 02.01 - 02.11) (1 Sample)

(1) The inspectors evaluated the biennial emergency plan exercise. The exercise scenario simulated a hostile action based event with loss of physical control of the facility and loss of decay heat removal resulting in off-site response on September 26, 2023.

71114.08 - Exercise Evaluation - Scenario Review

Inspection Review (IP Section 02.01 - 02.04) (1 Sample)

(1) The inspectors reviewed and evaluated the proposed scenario for biennial emergency plan exercise on August 21,

OTHER ACTIVITIES - BASELINE

===71151 - Performance Indicator Verification The inspectors verified licensee performance indicators submittals listed below:

EP01: Drill/Exercise Performance (DEP) Sample (IP Section 02.12) ===

(1) July 1, 2022 through June 30, 2023 EP02: Emergency Response Organization (ERO) Drill Participation (IP Section 02.13)

(1 Sample)

(1) July 1, 2022 through June 30, 2023 EP03: Alert And Notification System (ANS) Reliability Sample (IP Section 02.14) (1 Sample)

(1) July 1, 2022 through June 30,

INSPECTION RESULTS

No findings were identified.

EXIT MEETINGS AND DEBRIEFS

The inspectors verified no proprietary information was retained or documented in this report.

• On September 28, 2023, the inspectors presented the emergency preparedness biennial exercise inspection results to Matt Bonanno, Plant Manager, and other members of the licensee staff.

DOCUMENTS REVIEWED

Inspection Type Designation Description or Title Revision or

Procedure Date

71114.04 Procedures EP-AA-120-1001 10 CFR 50.54(q) Change Evaluation Revision 11

71114.07 Miscellaneous Limerick Generating Station Hostile Action Based (HAB) 07/28/2023

NRC Biennial Exercise Scenario

Procedures EP-AA-1000 Exelon Nuclear Standardized Radiological Emergency Plan Revision 33

EP-AA-1008 Exelon Nuclear Radiological Emergency Plan Annex for Revision 32

Limerick Generating Station

71151 Corrective Action 04705521 09/28/2023

Documents

Resulting from

Inspection

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