IR 05000244/2024001

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LLC - Integrated Inspection Report 05000244/2024001
ML24115A027
Person / Time
Site: Ginna Constellation icon.png
Issue date: 04/24/2024
From: Erin Carfang
NRC/RGN-I/DORS
To: Rhoades D
Constellation Energy Generation, Constellation Nuclear
References
IR 2024001
Download: ML24115A027 (1)


Text

April 24, 2024

SUBJECT:

R.E. GINNA NUCLEAR POWER PLANT, LLC - INTEGRATED INSPECTION REPORT 05000244/2024001

Dear David Rhoades:

On March 31, 2024, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at R.E. Ginna Nuclear Power Plant, LLC. On April 18, 2024, the NRC inspectors discussed the results of this inspection with Richard Everett, 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, Erin E. Carfang, Chief Projects Branch 1 Division of Operating Reactor Safety

Docket No. 05000244 License No. DPR-18

Enclosure:

As stated

Inspection Report

Docket Number: 05000244

License Number: DPR-18

Report Number: 05000244/2024001

Enterprise Identifier: I-2024-001- 0041

Licensee: Constellation Energy Generation, LLC

Facility: R.E. Ginna Nuclear Power Plant, LLC

Location: Ontario, New York

Inspection Dates: January 1, 2024 to March 31, 2024

Inspectors: J. Schussler, Senior Resident Inspector C. Swisher, Resident Inspector B. Dyke, Operations Engineer S. Veunephachan, Health Physicist

Approved By: Erin E. Carfang, Chief Projects Branch 1 Division of Operating Reactor Safety

Enclosure

SUMMARY

The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting an integrated inspection at R.E. Ginna Nuclear Power Plant, LLC, 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

Type Issue Number Title Report Section Status LER 05000244/2023-003-00 LER 2023-003-00 for R.E. 71153 Closed Ginna Nuclear Power Plant,

Manual Reactor Trip due to Degraded Condenser Vacuum from Lowering Main Steam to Air Ejectors and Auxiliary Feedwater Actuation due to L ow Steam Generator Level LER 05000244/2023-003-01 LER 2023-003-01 for R.E. 71153 Closed Ginna Nuclear Power Plant,

Manual Reactor Trip due to Degraded Condenser Vacuum from Lowering Main Steam to Air Ejectors and Auxiliary Feedwater Actuation due to L ow Steam Generator Level

PLANT STATUS

Ginna began the inspection period operating at rated thermal power and remained at, or near, rated thermal power for the inspection period.

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 performed activities described in IMC 2515, Appendix D, Plant Status, observed risk -significant activities, and completed on-site portions of IPs. 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

71111.01 - Adverse Weather Protection

Impending Severe Weather (IP Section 03.02) (2 Samples)

(1) The inspectors evaluated the adequacy of the overall preparations to protect risk-significant systems from impending severe weather, high winds, on January 9, 2024
(2) The inspectors evaluated the adequacy of the overall preparations to protect risk-significant systems from impending extreme cold weather on January 17, 2024

71111.04 - Equipment Alignment

Partial Walkdown (IP Section 03.01) (3 Samples)

The inspectors evaluated system configurations during partial walkdowns of the following systems/trains:

(1) 'B' safety injection on January 12, 2024
(2) 'D' standby auxiliary feedwater on March 7, 2024
(3) 'A' emergency diesel generator on March 19, 2024

71111.05 - Fire Protection

Fire Area Walkdown and Inspection (IP Section 03.01) (4 Samples)

The inspectors evaluated the implementation of the fire protection program by conducting a walkdown and performing a review to verify program compliance, equipment functionality, material condition, and operational readiness of the following fire areas:

(1) 'A' battery room on January 25, 2024
(2) Uninterrupted power supply and central alarm station diesel generator area on February 14, 2024
(3) Screen house basement on February 20, 2024
(4) Intermediate building clean side middle level on March 6, 2024

Fire Brigade Drill Performance (IP Section 03.02) (1 Sample)

(1) The inspectors evaluated the on-site fire brigade training and performance during an unannounced fire drill on February 8, 2024

71111.11Q - Licensed Operator Requalification Program and Licensed Operator Performance

Licensed Operator Performance in the Actual Plant/Main Control Room (IP Section 03.01) (1 Sample)

(1) The inspectors observed and evaluated licensed operator performance in the main control room during:
  • Shift turnover on February 8, 2024
  • A y nerorting on Mch

censed O rorequificion Trng/E*inationsIPtion 03.0 (1 Sam

( The ipectorserv and uaticensed or rformancethe simiicens operatequalificion treek of January 30, requalificived a scithatontned, but limito,tmubeeaktm generatubete.

- Menance Risksssmtsmgent Wkontr

Risksssmt and MentIPti01) (2 S e

The ipectors evted t accacyomsf risk sessments for fling planned and emgentork activiti to enseonfirion c and opriekontrse addrs:

( Evuation of ant risk (Green) during pl'A'my di gener menance on Jry 2024

( Evuation of ant risk (Actiri planned 'B'esi heatem pum eaker menancruary 2024

- Operabilityminations Functiitysssments

Operabilityetminatio FunctiitysssmentIPti) (6 Se

The ipectors evted ticensee's jtificions and actionsssiitthe fling operabilityerminations and functiity asssmts:

( Operability asssment ofA' ery diorube oilemperate flimmsi heat fl onanuary 17, 2024

(2) Operability assessment of seismic qualification for hanger supporting electric supply power conduit to motor-operated valves 896A and 896B, refueling water storage tank to safety injection and containment spray pump suctions on February 1, 2024
(3) Operability assessment of the 'B' emergency diesel generator tornado missile and flood door camlock found disengaged on February 12, 2024
(4) Operability assessment of the 'A' service water header coincident with the 'B' service water discharge check valve V-4602 leaking on February 14, 2024
(5) Operability assessment of the 'D' service water motor outboard horizontal vibration point rising trend on March 18, 2024
(6) Operability assessment of degraded liquid crystal display for control rod bank 'B',

group 2, on March 26, 2024

71111.24 - Testing and Maintenance of Equipment Important to Risk

The inspectors evaluated the following testing and maintenance activities to verify system operability and/or functionality:

Post-Maintenance Testing (IP Section 03.01) (3 Samples)

(1) Operational testing of the 'B' safety injection pump following discharge check valve 898B maintenance on January 10, 2024
(2) Functional testing of the diesel driven fire pump following planned maintenance on the pump angle drive and engine turbo on January 24, 2024
(3) Functional testing of the central alarm station diesel generator following planned maintenance on the engine on February 15, 2024

Surveillance Testing (IP Section 03.01) (4 Samples)

(1) STP-O-2.7.1D, "D Service Water Pump Test" on January 9, 2024
(2) STP-E-12.5, "Technical Support Center Diesel Test" on January 10, 2024
(3) STP-O-12.2, "B Emergency Diesel Generator" on January 31, 2024
(4) STP-O-17.4, "Control Room Radiation Monitor R-45 and R-46 Operability Test" on March 15, 2024

Inservice Testing (IP Section 03.01) (1 Sample)

(1) STP-O-16QT-RECIRC, "Auxiliary Feedwater Turbine Pump - Quarterly (Recirculation Alignment)" on January 2, 2024

71114.06 - Drill Evaluation

Required Emergency Preparedness Drill (IP Section 03.01) (1 Sample)

(1) The inspectors evaluated an emergency drill in the simulator control room and technical support center involving an Alert and Site Area Emergency declaration due to a scenario which contained, but was not limited to, a simulated steam generator tube leak, rupture, and a faulted steam generator on February 13,

RADIATION SAFETY

71124.08 - Radioactive Solid Waste Processing and

Radioactive Material Handling, Storage, and Transportation

Radioactive Material Storage (IP Section 03.01) (2 Samples)

The inspectors evaluated the licensees performance in controlling, labeling and securing the following radioactive materials:

(1) Radioactive materials containers in storage outside in a temporary yard area and within the upper radwaste storage building
(2) Part 37 radioactive material and select sealed sources

Radioactive Waste System Walkdown (IP Section 03.02) (2 Samples)

The inspectors walked down the following accessible portions of the solid radioactive waste systems and evaluated system configuration and functionality:

(1) Radioactive liquid processing systems
(2) Solid radioactive waste system

Waste Characterization and Classification (IP Section 03.03) (2 Samples)

The inspectors evaluated the following characterization and classification of radioactive waste:

(1) 2023 Part 61 dry active waste stream analysis and characterization
(2) Waste stream analysis of Chem-Nuclear Systems, Inc. resin bed shipment and waste characterization

Shipping Records (IP Section 03.05) (4 Samples)

The inspectors evaluated the following non-excepted radioactive material shipments through a record review:

(1) Shipment number 2022-035, UN3321, LSA II, Class AU ion exchange media waste
(2) Shipment number 2023-044, UN3321, LSA II, Class AU dry active waste
(3) Shipment number 2023-063, UN3321, LSA II, Class AU dry active waste
(4) Shipment number 2023-088, UN2915, Type A Package, Yellow II

OTHER ACTIVITIES - BASELINE

===71151 - Performance Indicator Verification

The inspectors verified licensee performance indicators submittals listed below:

IE01: Unplanned Scrams per 7000 Critical Hours (IP Section 02.01)===

(1) For the period January 1, 2023 through December 31, 2023

IE03: Unplanned Power Changes per 7000 Critical Hours (IP Section 02.02) (1 Sample)

(1) For the period January 1, 2023 through December 31, 2023

IE04: Unplanned Scrams with Complications (IP Section 02.03) (1 Sample)

(1) For the period January 1, 2023 through December 31, 2023

71153 - Follow Up of Events and Notices of Enforcement Discretion Event Report (IP Section 03.02)

The inspectors evaluated the following licensee event reports (LERs):

(1) LER 2023-003-00 for R.E. Ginna Nuclear Power Plant, Manual Reactor Trip due to Degraded Condenser Vacuum from Lowering Main Steam to Air Ejectors and Auxiliary Feedwater Actuation due to Low Steam Generator Level (ADAMS Accession No. ML23345A157). The inspectors determined that the cause of the condition described in the LER was not reasonably within the licensee's ability to foresee and correct, and therefore was not reasonably preventable. No performance deficiency nor violation of NRC requirements was identified. This LER is closed.
(2) LER 2023-003-01 for R.E. Ginna Nuclear Power Plant, Manual Reactor Trip due to Degraded Condenser Vacuum from Lowering Main Steam to Air Ejectors and Auxiliary Feedwater Actuation due to Low Steam Generator Level (ADAMS Accession No. ML24067A253). The inspectors reviewed the supplement to LER 2023-003- 00. The initial LER was reviewed and dispositioned in this inspection report. This LER supplement is closed.

INSPECTION RESULTS

No findings were identified.

EXIT MEETINGS AND DEBRIEFS

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

  • On March 14, 2024, the inspectors presented the radiation safety inspection results to Caroline Holshouser, Radiation Protection Manager, and other members of the licensee staff.
  • On April 18, 2024, the inspectors presented the integrated inspection results to Richard Everett, Plant Manager, and other members of the licensee staff.

DOCUMENTS REVIEWED

Inspection Type Designation Description or Title Revision or

Procedure Date

71111.04 Corrective Action 04727767 V-4602 B SWP discharge check valve leaking by 01/09/2024

Documents 04731282 Hanger contacting containment spray recirculation full flow 01/16/2024

Resulting from test piping

Inspection 04759178 Detectable air leak on 5905A - A EDG starting air PCV 03/19/2024

71111.05 Corrective Action 04733048 Space heater inside electrical panel floor exclusion zone 01/18/2025

Documents 04733080 Work in progress signage not at all entrances to work area 01/18/2024

Resulting from

Inspection

71111.15 Corrective Action 04752557 LCD for control bank B, group 2, is degraded 02/23/2024

Documents

Corrective Action 04738586 SD/18 (B EDG door) camlock found disengaged 01/29/2024

Documents

Resulting from

Inspection

Miscellaneous VTD-C1493-4001 CJ Enterprises digital rod step counter model DRSC-100/B Revision 000

service manual

Procedures MA-AA-716-012 Post-maintenance testing Revision 28

Work Orders C93965814 Minor maintenance worksheet, ZI-BG2, AR04752557 02/23/2024

71111.24 Corrective Action 04727510 Procedural enhancements to STP-O-16QT-RECIRC 01/08/2024

Documents

Resulting from

Inspection

8