L-2024-199, Special Report - Post Accident Monitoring Instrumentation
| ML24345A067 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 12/10/2024 |
| From: | Mack K Florida Power & Light Co |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| L-2024-199 | |
| Download: ML24345A067 (1) | |
Text
l=PL U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Re:
Florida Power & Light Company Turkey Point Unit 4 Docket No. 50-251 Technical Specification Special Report Special Report - Post Accident Monitoring Instrumentation December 10, 2024 L-2024-199 10 CFR 50.36 In accordance with Technical Specifications 3.3.3, Post Accident Monitoring, and 5.6.4, Post Accident Monitoring Report, the attached Special Report is provided for your information. Should you have any questions regarding this report, please contact Maribel Valdez, Fleet Licensing Manager, at 561-904-5164.
Sincerely, Ken~
Director, Licensing and Regulatory Compliance Florida Power & Light Company : Special Report cc:
USNRC Regional Administrator, Region II USNRC Project Manager, Turkey Point USNRC Senior Resident Inspector, Turkey Point Florida Power & Light Company 9760 SW 344th Street, Homestead, FL 33035
Special Report
Purpose:
L-2024-199 Page 1 of 1 This special report is being submitted pursuant to the requirements of Turkey Point Unit 4 Technical Specification (TS) 3.3.3, Required Action 8.1, and TS 5.6.4, Post Accident Monitoring (PAM) Report, due to the inability to perform TS Surveillance Requirement (SR) 3.3.3.2, Perform Channel Calibration, on the 'A' channel of Containment Pressure (Narrow and Wide Range) PAM instrumentation. The TS required calibrations were not performed due to the inability to isolate the instrument line due to excessive isolation valve leakage. The surveillance tests became overdue on November 2, 2024, resulting in entering TS Required Action 3.3.3.A.1, restore required channel to operable status within 30 days. This action expired on December 2, 2024, resulting in entering TS Required Action 3.3.3.B.1, initiate action in accordance with TS 5.6.4, which requires the submission of a special report.
Alternate Method of Monitoring:
The Unit 4 'B' channels of Containment Pressure, both Narrow and Wide Range, are operable and provide PAM indications.
Cause of lnoperability:
The calibrations were not performed due to the inability to isolate the Containment Pressure instrument lines due to excessive isolation valve leakage.
Plans and Schedule for Restoring Instrumentation:
The required repairs to the isolation valve and subsequent TS required calibrations, will be completed in the Spring 2025 Unit 4 planned refueling outage with an expected return to operable status by April 4, 2025.