ML22325A104

Emergency Preparedness Biennial Exercise Inspection Report 05000336/2022501 and 05000423/2022501

ML22325A104
Person / Time
Site:	Millstone
Issue date:	11/21/2022
From:	Daniel Schroeder Decommissioning, ISFSI, and Reactor Health Physics Branch
To:	Stoddard D Dominion Energy
References
IR 2022501
Download: ML22325A104 (1)

See also: IR 05000336/2022501

Text

November 21, 2022

Daniel G. Stoddard

Senior Vice President and Chief Nuclear Officer

Dominion Energy, Inc.

Innsbrook Technical Center

5000 Dominion Blvd.

Glen Allen, VA 23060-6711

SUBJECT: MILLSTONE POWER STATION, UNITS 2 AND 3 - EMERGENCY

PREPAREDNESS BIENNIAL EXERCISE INSPECTION REPORT

05000336/2022501 AND 05000423/2022501

Dear Daniel Stoddard:

On November 3, 2022, the U.S. Nuclear Regulatory Commission (NRC) completed an

inspection at Millstone Power Station, Units 2 and 3 and discussed the results of this inspection

with Michael O'Connor, Site Vice President, 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 2.390, Public

Inspections, Exemptions, Requests for Withholding.

Sincerely,

Daniel L. Digitally signed by Daniel L.

Schroeder

Schroeder Date: 2022.11.21 15:39:47 -05'00'

Daniel L. Schroeder, Chief

Security, Emergency Preparedness and Incident

Response Branch

Division of Radiological Safety and Security

Docket Nos. 05000336 and 05000423

License Nos. DPR-65 and NPF-49

Enclosure:

As stated

cc w/ encl: Distribution via LISTSERV

ML22325A104

x Non-Sensitive x Publicly Available

x SUNSI Review

Sensitive Non-Publicly Available

OFFICE RI/DRSS RI/DORS RI/DRSS

NAME JAmbrosini MYoung DSchroeder

DATE 11/17/22 11/17/22 11/17/22

U.S. NUCLEAR REGULATORY COMMISSION

Inspection Report

Docket Numbers: 05000336 and 05000423

License Numbers: DPR-65 and NPF-49

Report Numbers: 05000336/2022501 and 05000423/2022501

Licensee: Dominion Energy Nuclear Connecticut, Inc.

Facility: Millstone Power Station, Units 2 and 3

Location: Waterford, CT 06385

Inspection Dates: October 31, 2022 to November 4, 2022

Inspectors: J. Ambrosini, Senior Emergency Preparedness Inspector

C. Highley, Senior Resident Inspector

J. Kulp, Senior Reactor 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

Millstone Power Station, Units 2 and 3, 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.

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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.

REACTOR SAFETY

71114.01 - Exercise Evaluation

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

(1) The inspectors evaluated the biennial emergency plan exercise. The exercise

scenario simulated a locked reactor coolant pump rotor and failure of the reactor to

trip automatically, followed by reports of elevated activity from a reactor coolant

sample, and a loss of coolant accident outside of containment on November 1, 2022.

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.

• MP-21-19-00, MP-26-EPA-REF03, Emergency Action Level Technical Bases

Document Millstone Power Station - Unit 3, Revision 026

• MP-21-20-00, MP-26-EPA-REF02, Emergency Action Level Technical Bases

Document Millstone Power Station - Unit 2, Revision 030

• MP-21-24-00, MP-26-EPA-REF03, Emergency Action Level Technical Bases

Document Millstone Power Station - Unit 3, Revision 027

• MP-21-25-00, MP-26-EPA-REF02, Emergency Action Level Technical Bases

Document Millstone Power Station - Unit 2, Revision 031

• MP-22-02-00, MP-26-EPI-EPMP, Millstone Power Station Emergency Plan,

Revision 64

This evaluation does not constitute NRC approval.

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 September 29, 2022.

3

INSPECTION RESULTS

No findings were identified.

EXIT MEETINGS AND DEBRIEFS

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

• On November 3, 2022, the inspectors presented the emergency preparedness biennial

exercise inspection results to Michael O'Connor, Site Vice President, and other

members of the licensee staff.

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DOCUMENTS REVIEWED

Inspection Type Designation Description or Title Revision or

Procedure Date

71114.01 Miscellaneous 2022 Biennial Emergency Exercise Manual 09/01/2022

Millstone Power Station Emergency Plan Revision 64

5