IR 05000461/2023010
| ML23146A129 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 05/26/2023 |
| From: | Catherine Nolan NRC/RGN-III/DORS/EB2 |
| To: | Rhoades D NRC/RGN-III |
| References | |
| IR 2023010 | |
| Download: ML23146A129 (1) | |
Text
SUBJECT:
CLINTON POWER STATION -TRIENNIAL FIRE PROTECTION INSPECTION REPORT 05000461/2023010
Dear David Rhoades:
On April 26, 2023, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Clinton Power Station and discussed the results of this inspection with Thomas Chalmers, 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, Caty E. Nolan, Acting Chief Engineering Branch 2 Division of Operating Reactor Safety Docket No. 05000461 License No. NPF-62
Enclosure:
As stated
Inspection Report
Docket Number:
05000461
License Number:
Report Number:
Enterprise Identifier:
I-2023-010-0047
Licensee:
Constellation Nuclear
Facility:
Clinton Power Station
Location:
Clinton, IL
Inspection Dates:
March 13, 2023 to April 26, 2023
Inspectors:
K. Barclay, Senior Reactor Inspector
K. Fay, Reactor Inspector
A. Shaikh, Senior Reactor Inspector
M. Siddiqui, Reactor Inspector
Approved By:
Caty E. Nolan, Acting Chief
Engineering Branch 2
Division of Operating Reactor Safety
SUMMARY
The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting a triennial fire protection inspection at Clinton Power Station, 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.
REACTOR SAFETY
71111.21N.05 -Fire Protection Team Inspection (FPTI) Structures, Systems, and Components (SSCs) Credited for Fire Prevention, Detection, Suppression, or Post-Fire Safe Shutdown Review (IP Section 03.01)
The inspectors verified that components and/or systems will function as required to support the credited functions stated for each sample. Additional inspection considerations are located in the fire hazards analysis (FHA) or safe shutdown analysis (SSA).
- (1) Fire Protection Pumps / Hydraulic Calculations (Suppression)
- (2) Halon-Main Control Room & Auxiliary Electric Equipment Room (Suppression)
- (3) Low Pressure Core Spray (LPCS) System (Post-Fire Safe Shutdown)
Fire Protection Program (FPP) Administrative Controls (IP Section 03.02) (1 Sample)
The inspectors verified that the selected control or process is implemented in accordance with the licensees current licensing basis. If applicable, ensured that the licensees FPP contains adequate procedures to implement the selected administrative control. Verified that the selected administrative control meets the requirements of all committed industry standards.
- (1) Hot Work Controls
Fire Protection Program Changes/Modifications (IP Section 03.03) (2 Samples)
The inspectors verified the following:
a.
Changes to the approved FPP do not constitute an adverse effect on the ability to safely shutdown.
b.
The adequacy of the design modification, if applicable.
c.
Assumptions and performance capability stated in the SSA have not been degraded through changes or modifications.
d.
The FPP documents, such as the Updated Final Safety Analysis Report, fire protection report, FHA, and SSA were updated consistent with the FPP or design change.
e.
Post-fire Safe Shutdown operating procedures, such as abnormal operating procedures, affected by the modification were updated.
- (2) EC 627073: Update and Issue Calculation IP-M-0177-CT; EC 626754: Containment Airlock Door Evaluation - Elimination of Containment Airlock Doors 1MC02W & 1MC03W as Transient Combustible Free Zones
INSPECTION RESULTS
No findings were identified.
EXIT MEETINGS AND DEBRIEFS
The inspectors confirmed that proprietary information was controlled to protect from public disclosure.
On April 26, 2023, the inspectors presented the triennial fire protection inspection results to Thomas Chalmers, Site Vice President and other members of the licensee staff.
DOCUMENTS REVIEWED
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
01FP12
Leakage Paths for Underfloor Halon System AEER
26073
Update and Issue Calculation IP-M-0177-CT
2/19/2019
INSFP007
Pressure Drop for WS System
IP-M-0177-CT
Fire Loads in CPS Fire Zones Containment Building
IP-M-0471
CPS Post Fire Safe Shutdown Criteria
Calculations
IP-M-0532
Appendix R Safe Shutdown Assessment
4A
01437330
Possible Delay in Fire Fighting Efforts
11/08/2012
04067179
Fire Protection Maintenance Program Not Updated
10/26/2017
234238
NEIL PM Frequencies Do Not Have Grace
03/29/2019
234272
Performance Based Monitoring
03/29/2019
04315501
MCR Halon 1H13U707 Trouble Silence Rocker Switch
Light out
2/05/2020
04342235
Trouble Alarm on MCR Halon Panel 1H13-U709
05/09/2020
04356978
Fire Pump B 9071.02 Capacity Test Trending
07/15/2020
04367364
MCR FP XL-3 1H13P841 Trouble 23-18 EOF Halon
09/03/2020
04409606
LPCS Ammeter 1E21-N558 Current Readings OOS
03/17/2021
04419735
MCR Received FP Alarm Device 23-18 EOF Halon
System
04/28/2021
04420408
Accessible Fire Seal
04/30/2021
04434031
Halon Suppression for MCR Sub-Floor
07/08/2021
04455419
0FP01PB Fire Pump B Fuel Level Below 9071.01B Limit
10/24/2021
04477785
Fire Protection Impairment Greater than 180 Days
2/13/2022
04483898
FP A Diesel Engine HMI Failure on Power Up
03/09/2022
04491054
0FP01PB Battery Out of Spec
04/07/2022
04502327
Benchmark: MCR Halon Panel Backup Batteries Voltage
Trend Low
05/18/2022
04524848
Delay in Halon Swap Puts TT Mod on Hold
09/27/2022
04524977
Battery Voltage is Low on 1H13U703 Halon Panel
09/27/2022
04526776
Unexpected Auto-Start of 0FP01PA Fire Pump 'A'
11/14/2022
04527702
FP A Achieved 200F+ Coolant Temp
10/07/2022
71111.21N.05
Corrective Action
Documents
04528744
FP "A" Pump Roll-Up Door
10/10/2022
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
04529392
NOS ID: USFAR Change Action Not Completed
10/14/2022
04529881
Fire Pump A Coolant System Heating Up Faster Than
Expected
10/17/2022
04552992
Unexpected 5063-3G LPCS Pump Discharge Press
Abnormal
2/06/2023
04556428
0FP01PA Batteries Not Per Design
2/22/2023
1-89-03-177
1893.01 F.P. Program
03/29/1989
1-97-08-046
1FP035 USAR /M05 Discrepancy with CPS 3213.01
08/05/1997
04562137
23 NRC FP Triennial: WO Record Missing Completed
Procedure
03/15/2023
04562602
NRC ID: Fire Pump Log Entries
03/16/2023
04562638
NRCID Flex Conduit Peeling Off Flow Switch 0FSFP032
Cable
03/16/2023
04562875
23 NRC FP Triennial: 1893.01 Evaluations Not
Completed
03/17/2023
04563568
23 NRC Triennial: Non-Permanent Scaffold Installation
03/20/2023
04563586
23 NRC FP Triennial: RHR A HTX Bolt Corrosion
03/20/2023
04564350
NRC ID: Fire Impairment Record Could Not Be Produced
03/23/2023
04564603
23 NRC FP Triennial - FP B Controller Conduit Fitting
03/24/2023
04565470
NRCID: UFSAR Change Does Not Reflect Current Plant
Config
03/28/2023
04565494
NRC ID: Graffiti Inside MCR Panel Door for 1H13-U711
03/28/2023
04665742
Update NSED-P-NFPA for NFPA 51B Designated Hot
Work Areas
03/29/2023
04666148
Inconsistencies in LS-AA-128 Form for EC 630948
03/30/2023
04672317
NRC ID: OP-AA-201-004 Conflict with NFPA 51B USAR
9.5.1
04/23/2023
Corrective Action
Documents
Resulting from
Inspection
04672657
NRC ID: Fire Watch Training Deviation from NFPA 51B
04/24/2023
384214
Spurious Operation of SRVs
630948
Replace Fire Pump 'A' OFP01PA Including Pump, Right
Angle Geared Drive, Engine and Control Panel 0-2
Engineering
Changes
Modification: Install Jockey Pump to Maintain Fire
Protection System Supply at the Required Pressure
08/13/1986
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
PDR 99-0550
Temporary Change Approval Checklist: CPS No. 3213.01
05/04/1999
Engineering
Evaluations
EE-00-138
Evaluate MCR Halon System Inspection Frequency
1893.04M101
LPCS Pump Room Prefire Plan
5a
1893.04M351
Aux. Elect. Equip., Inverter & Battery Rooms Prefire Plan
7d
Fire Plans
1893.04M364
Main Control Room Prefire Plan
3a
Clinton Fire Impairment Log
2/10/2023
Clinton NFPA Code Conformance Evaluation with
Completed Checklists
Miscellaneous
19-AI-81
CPS Appendix R Safe Shutdown Component Circuit
Analysis
2761.02
Leak Rate Testing Equipment Operation
6a
Maintenance Specification: Installation of Temporary
Rigging
Hot Work Precautions and Safety Practices
CPS 1893.01
Fire Protection Impairment Reporting
& 22b
1893.04M803
A Fire Pump Room Prefire Plan
6b
CPS 1893.06
Fire Protection Maintenance and Testing Program
13a
CPS 3213.01
Fire Detection and Protection
4, 12, 17, 18,
19, 19a, 24,
& 32c
Scaffold Installation, Modification, and Removal Request
Process
MA-AA-716-025-
F-1
Non-Permanent Scaffold Request Form
ME-06.00
Guidelines For Determining Fire Loads and Preparing
Fireload Calculations
9b
Procedures
Fire Protection System Impairment Control
Self-
Assessments
04513795
Clinton Power Station Pre-NRC Fire Protection Triennial
Inspection Self-Assessment
2/10/2023
01688710
09/25/2019
04946959
LPCS Pump Operability
10/22/2019
Work Orders
04961668
Replace Defective Sections of Piping
09/22/2021
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
04987739
Leak Rate Testing of LPCS Injection
09/30/2021
05164485
9071.02 OP Fire Pump B Controls Test
05/24/2022
05172141
9071.19C001 Fire Protection Safety Related Valve Lineup
05/27/2022
05187254
9476.02U22 OP Halon Storage Tank Weight and
Pressure Verification
2/07/2023
219884
CPS 3822.05 Halon Functional
2/28/2022
05308043
Diesel Driven Fire Pump A Functionality Test
11/08/2022