ML24038A231
| ML24038A231 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 02/20/2024 |
| From: | Anthony Dimitriadis Decommissioning, ISFSI, and Reactor Health Physics Branch |
| To: | Rhoades D Constellation Energy Generation, Constellation Nuclear |
| References | |
| IR 2023001 | |
| Download: ML24038A231 (1) | |
See also: IR 05000171/2023001
Text
UNITED STATES
NUCLEAR REGULATORY COMMISSION
REGION I
475 ALLENDALE ROAD, SUITE 102
KING OF PRUSSIA, PA 19406-1415
February 20, 2024
David P. Rhoades
Senior Vice President
Constellation Energy Generation, LLC
President and Chief Nuclear Office
Constellation Nuclear
4300 Winfield Road
Warrenville, IL 60555
SUBJECT:
CONSTELLATION ENERGY GENERATION, LLC, PEACH BOTTOM
ATOMIC POWER STATION UNIT 1 - NRC INSPECTION REPORT NO.
Dear David Rhoades:
On January 22, 2024, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection
under Inspection Manual Chapter 2561, Decommissioning Power Reactor Inspection Program,
at the permanently shutdown Peach Bottom Atomic Power Station Unit 1. The inspection
examined activities conducted under your license as they relate to safety and compliance with
the Commissions rules and regulations and the conditions of your license. The inspection
consisted of observations by the inspectors, interviews with site personnel, a review of
procedures and records, and plant walk downs. The results of the inspection were discussed
with Ryan Stiltner, Plant Manager and other members of your staff on January 22, 2024, and are
described in the enclosed report.
Within the scope of this inspection, no violations of more than minor safety significance were
identified.
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, its enclosure(s), and your response, if any, will be
made available electronically for public inspection in the NRC Public Document Room or from
the NRC Agencywide Document and Management System (ADAMS), accessible from the NRC
website at http://www.nrc.gov/reading-rm/adams.html. To the extent possible, your response, if
any, should not include any personal privacy, proprietary, or safeguards information so that it
can be made available to the Public without redaction.
Current NRC regulations and guidance are included on the NRCs website at www.nrc.gov;
select Radioactive Waste; Decommissioning of Nuclear Facilities; then Regulations,
Guidance and Communications. The current Enforcement Policy is included on the NRCs
website at www.nrc.gov; select About NRC, Organizations & Functions; Office of
Enforcement; Enforcement documents; then Enforcement Policy (Under Related
Information). You may also obtain these documents by contacting the Government Printing
Office (GPO) toll-free at 1-866-512-1800. The GPO is open from 8:00 a.m. to 5:30 p.m. EST,
Monday through Friday (except Federal holidays).
D. Rhoades
2
No reply to this letter is required. Please contact Harry Anagnostopoulos of my staff at
610-337-5322 if you have any questions regarding this matter.
Sincerely,
Anthony Dimitriadis, Chief
Decommissioning, ISFSI, and Reactor Health
Physics Branch
Division of Radiological Safety and Security
Docket No: 05000171
License No: DPR-12
Enclosure: Inspection Report No. 05000171/2023001
w/ Attachment
cc w/encl: Distribution via ListServ
Anthony M.
Dimitriadis
Digitally signed by
Anthony M. Dimitriadis
Date: 2024.02.20
16:10:29 -05'00'
D. Rhoades
3
SUBJECT:
CONSTELLATION ENERGY GENERATION, LLC, PEACH BOTTOM
ATOMIC POWER STATION UNIT 1 - NRC INSPECTION REPORT NO.
05000171/2023001, DATED FEBRUARY 20, 2024
Distribution:
ADimitriadis, DRSS
HAnagnostopoulos, DRSS
KBarnes, DRSS
NEckhoff, DRSS
JZimmerman, DRSS
PKrohn, DRSS
DOCUMENT NAME: https://usnrc.sharepoint.com/teams/Region-I-Decommissioning-Branch/Inspection
Reports/Inspection Reports - Draft/PB Official SAFSTOR 2023 Rev 1.docx
SUNSI Review Complete:
ADAMS ACCENSION NO. ML24038A231
After declaring this document An Official Agency Record it will be released to the Public.
To receive a copy of this document, indicate in the box: C = Copy w/o attach/encl E = Copy w/ attach/encl N = No copy
OFFICE
DRSS/RI
N DRSS/RI
N DRSS/RI
N DRSS/RI
N
NAME
HAnagnostopoulos
NEckhoff
KBarnes
ADimitriadis
DATE
02/12/2024
02/20/2024
02/20/2024
02/20/2024
OFFICIAL RECORD COPY
Enclosure
U.S. NUCLEAR REGULATORY COMMISSION
REGION I
INSPECTION REPORT
Inspection No.
Docket No.
050-00171
License No.
Licensee:
Constellation Energy Generation, LLC (Constellation)
Facility:
Peach Bottom Atomic Power Station Unit 1 (Unit 1)
Address:
Delta, Pennsylvania
Inspection Dates:
November 28-30, 2023
Inspectors:
Harry Anagnostopoulos, CHP, Senior Health Physicist
Decommissioning, ISFSI, and Reactor Health Physics Branch
Division of Radiological Safety and Security
Katherine Barnes, Health Physicist
Decommissioning, ISFSI, and Reactor Health Physics Branch
Division of Radiological Safety and Security
Nicholas Eckhoff, Health Physicist
Decommissioning, ISFSI, and Reactor Health Physics Branch
Division of Radiological Safety and Security
Approved By:
Anthony Dimitriadis, Chief
Decommissioning, ISFSI, and Reactor Health Physics Branch
Division of Radiological Safety and Security
2
EXECUTIVE SUMMARY
Constellation Energy Generation, LLC
Peach Bottom Atomic Power Station Unit 1
NRC Inspection Report No. 05000171/2023001
An announced routine SAFSTOR inspection was completed on January 22, 2024. An on-site
inspection was performed on November 30, 2023. The inspection included a review of activities
related to the safe storage of radioactive material, including surveillance, engineering,
maintenance, plant support activities, management oversight, and corrective action program
(CAP) implementation. The inspection consisted of observations by the inspectors, interviews
with site personnel, a review of procedures and records, and plant walk-downs. The U.S.
Nuclear Regulatory Commissions (NRCs) program for overseeing the safe storage of a
shutdown nuclear power reactor is described in Inspection Manual Chapter (IMC) 2561,
Decommissioning Power Reactor Inspection Program.
Based on the results of this inspection, no violations of more than minor safety significance
were identified.
3
REPORT DETAILS
1.0
Background
Peach Bottom Unit 1 was a high temperature gas-cooled demonstration power
reactor that operated from February 1966 until October 31, 1974. It was permanently
shut down and has been in safe storage (SAFSTOR) since that time. All fuel from
Unit 1 has been removed from the reactor and shipped to an offsite facility. The spent
fuel pool has been drained, decontaminated, and radioactive liquids have been
removed. Intrusion water that occasionally collects in the reactor containment sump is
periodically pumped out of the sump and transferred to the common radwaste
building used for Peach Bottom Units 2 and 3 for processing.
The NRCs program for overseeing the safe storage and decommissioning of a
permanently shut-down nuclear power reactor is described in IMC 2561.
2.0
SAFSTOR Performance and Status Review
a.
Inspection Scope (Inspection Procedures 37801, 40801, 60801, 64704, 71801, 83750,
84750, 86750)
A routine announced safety inspection was conducted from November 28-30, 2023.
The inspection consisted of observations by the inspectors, interviews with
Constellation personnel, a review of procedures and records, and plant walk downs.
The inspectors reviewed the SAFSTOR program as outlined in the Updated Final
Safety Analysis Report (UFSAR), technical specifications (TS), and procedure DC-
PB-800, Unit 1 Process Control Program, to assess the adequacy of management
oversight for the Unit 1 facility. Specifically, the inspectors reviewed the
decommissioning management and staff organization and Constellations
implementation of Unit 1 programs for the SAFSTOR phase of decommissioning. The
inspectors also conducted plant walk-downs of exclusion areas to assess the material
condition of the Unit 1 buildings (reactor building, containment building, and spent fuel
pool building).
The inspectors reviewed the results of the Constellation Unit 1 Exclusion Area
Inspection semi-annual surveillance tests to ensure exclusion area barriers,
radiological conditions, water intrusion, and effluent release limits are as specified in
the TS. Additionally, the inspectors reviewed the program for structural monitoring
inspections at Unit 1, by observing Constellations periodic routine surveillance entry
inspection.
The inspectors reviewed activities, components, and documentation associated with
the following SAFSTOR programs: decommissioning organization, staffing, and cost
controls; safety reviews and modifications; fire protection; maintenance, surveillance,
and decommissioning trust fund expenditures.
The inspectors evaluated whether the following programs that remain associated with
programs for Units 2 and 3 were being adequately applied and administered for Unit
1: occupational radiation exposure, radioactive effluent technical specifications
(RETS), the site radiological environmental monitoring program (REMP), and the
processing and transportation of radioactive waste.
4
b.
Observations and Findings
The inspectors confirmed that the SAFSTOR program was being effectively
implemented. The inspectors checked that the maintenance and surveillance program
for systems and components had been conducted in accordance with the technical
specification requirements and established procedures. The inspectors also observed
that no design changes or plant modifications were made since the previous
inspection.
The inspectors reviewed information relevant to the status of the decommissioning
trust fund, its expenditures, and the work performed at Unit 1 during the inspection
period. The inspectors noted that Constellation planned to make certain withdrawals
from the decommissioning trust fund for a variety of activities, including asbestos
removal activities and for Unit 1 fire main ring header repairs. The inspectors requested
additional information and held discussions with Constellation staff to assess the
appropriateness of the expenditures and planned expenditures in relation to the
requirements outlined in 10 CFR 50.82. The inspectors held discussions with site
personnel regarding the repairs to the fire main ring header. In response, the license
wrote an IR (AR 04727096) capturing this issue and to explore additional fire protection
options for Unit 1. The inspectors noted that although plans for withdrawals from the
decommissioning trust fund had been made, no actual withdrawals were made for the
fire ring main repairs, therefore, no violations were identified.
The Constellation staff performed walkdowns of all accessible locations of the Unit 1
exclusion area. The entrances to containment were barricaded (as required by TS) with
a locked fence and posted as a radiologically controlled area (RCA). All entrants were
briefed on radiological conditions, signed-onto the appropriate radiological work permit,
and escorted by radiological protection staff.
The inspectors determined that the RETS and REMP programs met the requirements
of the ODCM and included contributions from Unit 1. The Annual Radiological Effluent
Release Report (ARERR) and Annual Radiological Environmental Operating Report
(AREOR) demonstrated that all calculated doses were below regulatory limits.
Findings or issues identified in audits, plant equipment operator rounds, and staff
observations were entered into the CAP at the appropriate threshold. Site staff
effectively addressed the issues identified, implemented corrective actions, and tracked
them to closure. The condition reports and corrective actions reviewed during the
inspection were prioritized and evaluated commensurate with their safety significance.
c.
Conclusions
Based on the results of this inspection, no violations of more than minor safety
significance were identified.
5
3.0
Exit Meeting Summary
On January 22, 2024, the inspectors presented the inspection results to Ryan Stiltner,
Plant Manager and other members of Constellations organization. No proprietary
information was retained by the inspectors or documented in this report.
ATTACHMENT: SUPPLEMENTAL INFORMATION
Attachment
SUPPLEMENTAL INFORMATION
PARTIAL LIST OF PERSONS CONTACTED
R. Stiltner, Plant Manager
A. Frain, Operations Director
A. Huber, Site Regulatory Engineer
B. Miller, Site Fire Protection Engineer
D. Williams, Project Manager for Unit 1
J. Dunlap, Director of Spent Fuel and Decommissioning
J. Fisher, Corporate Decommissioning Engineer
J. Sinopoli, Corporate Fire Protection Engineer
L. Keehner, Senior Manager of Maintenance Execution
P. Mullens, Corporate Decommissioning Engineer
T. McDonald, Radiation Protection Technician
W. Scott, Regulatory Assurance Manager
ITEMS OPEN, CLOSED, AND DISCUSSED
None
LIST OF DOCUMENTS REVIEWED
750402 Insurance Requirements for Unit 1
Annual Radiological Environmental Operating Report NO. 80
DC-AA-200-1000 Classifying Decommissioning Expenses Rev 3
DC-AA-200-1100 Decommissioning Expense Classification Review Rev 1
DC-AA-200-2100 Decommissioning Expense Review Rev 0
DC-PB-800, Rev. 0, Unit 1 Process Control Program
DC-PB-800-1000, Rev. 3, Entry Into Unit 1 During SAFSTOR Decommissioning Status
Decommissioning Units Audit Report NOSA-PEA22-09
IRs - 4540183, 4540225, 4540259, 4540261, 4541108, 4680046, 4727096
License No. DPR-12, Amendment 17
Maintenance Backlog 11/1/2023
PBAPS Unit 1 Decommissioning Status Report - 2022
Peach Bottom Atomic Power Station 2022 Occupational Exposure Report
PI-AA-120, Rev. 13, Issue Identification and Screening Process
PI-AA-125, Rev. 8, Corrective Action Program (CAP) Procedure
PI-AA-126-1001, Rev. 6, Self-Assessments
PI-AA-126-1006 Benchmark Activities Rev 6
Radiation Work Permit PB-1-22-00121 Rev 00
Radiological Effluent Release Report O. 65
Radiological Survey # 2023-195094
Unit 1 Fire Protection White Paper
Updated Final Safety Analysis Report, Rev. 10
2
LIST OF ACRONYMS USED
Agencywide Documents Access and Management System
Annual Radiological Environmental Operating Report
Annual Radiological Effluent Release Report
Corrective Action Program
10 CFR
Code of Federal Regulations
Constellation
Constellation Energy Generation, LLC
GPO
Government Printing Office
IMC
Inspection Manual Chapter
IP
Inspection Procedure
IR
Issue Report
NRC
Nuclear Regulatory Commission
Offsite Dose Calculation Manual
Radiological Environmental Monitoring Program
Radiological Effluent Technical Specifications
SAFSTOR
Safe Storage
TS
Technical Specifications
Updated Final Safety Analysis Report
Unit 1
Peach Bottom Atomic Power Station Unit 1