ML25206A364
| ML25206A364 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 07/28/2025 |
| From: | Florida Power & Light Co |
| To: | Natreon Jordan Plant Licensing Branch II |
| Jordan N | |
| References | |
| EPID L-2025-LRM-0082 | |
| Download: ML25206A364 (1) | |
Text
St. Lucie Unit 1 Fuel Methodology License Amendment Request for Transition to 24-Month Cycles July 28, 2025 Non-proprietary information suitable for public disclosure
FPL Project Team Emilio Fuentes Isaac Sayre Yacine Faouzi Jarrett Mack Director, Fuel Engineering Manager, Fuel Engineering Project Manager, St. Lucie Fleet Licensing Framatome Project Support Non-proprietary information suitable for public disclosure
Meeting Agenda Objectives General Overview / Proposed Licensing Actions Methodology & Approach Project Status Proposed Schedule Questions Non-proprietary information suitable for public disclosure
Provide overview of FPLs plan to transition St.
Lucie Unit 1 to 24-Month Fuel Cycles
- Describe the scope and schedule for the three LARs
- Assists NRCs internal resource planning Obtain NRC feedback on FPLs plan
- Improve content of upcoming Fuel Methodology LAR
- Provide a level of assurance that review schedules and implementation targets are achievable Objectives Non-proprietary information suitable for public disclosure
FPL is requesting approval of 3 separate LARs, which are not linked Spent Fuel Pool and New Fuel Vault Criticality License Amendment Request
- LAR submitted December 2024
- NRC audit conducted June 2025 Fuel Methodology License Amendment Request
- Fuel Methodology changes and supporting justifications
- Conforming changes to Tech Spec, Bases, TRM, and COLR
- Fuel Design Changes to be described in a closed session 24-Month Cycle Implementation License Amendment Request
- Change Surveillance Requirement (SR) Frequency using GL 91-04 guidance
- Potential for one or more additional implementation topics as separate LAR enclosures.
General Overview / Proposed Licensing Actions Non-proprietary information suitable for public disclosure
Methodology & Approach - Fuel Methodology LAR Fuel Methodology Upgrades NRC-approved methodologies Approved Topical Report Limitations & Conditions will be addressed in the applicable Licensing Reports Neutronics
- ANP-10297, Rev. 0, Supplement 1P-A, Rev. 1, The ARCADIA Reactor Analysis System for PWRs Methodology Description and Benchmarking Results Fuel Mechanical Seismic/LOCA
- ANP-10337P-A, Rev. 0, PWR Fuel Assembly Structural Response to Externally Applied Dynamic Excitations Non-proprietary information suitable for public disclosure
Fuel Methodology Upgrades Fuel Performance
- BAW-10323P-A, Rev. 1, GALILEO Fuel Rod Thermal-Mechanical Methodology for Pressurized Water Reactors
- ANP-10227P-A, Rev. 2, Evaluation of Advanced Cladding and Structural Material (M5) in PWR Reactor Fuel Thermal-Hydraulics
- ANP-10311P-A, Revision 1 COBRA-FLX: A Core Thermal-Hydraulic Analysis Code Methodology & Approach - Fuel Methodology LAR Non-proprietary information suitable for public disclosure
Methodology & Approach - Fuel Methods LAR LOCA Re-analyses Upgrade to latest Framatome NRC-approved methodologies
- Large Break LOCA methodology to EMF-2103P-A Revision 3, Realistic Large Break LOCA Methodology for Pressurized Water Reactors
- Small Break LOCA methodology to EMF-2328(P)(A) Revision 0 and Supplement 1(P)(A) Revision 0, PWR Small Break LOCA Evaluation Model, S-RELAP5 Based Implement GALILEO fuel rod model via ANP-10349P-A Rev. 0, GALILEO Implementation in LOCA Methods
- Modern fuel performance code with TCD treatment replacing RODEX2 Non-proprietary information suitable for public disclosure
Methodology & Approach - Fuel Methods LAR Non-LOCA Safety Re-analysis Technical evaluations for UFSAR Chapter 15 Non-LOCA analyses
- Upgrade methodology to ANP-10339P-A ARITA - ARTEMIS/RELAP Integrated Transient Analysis Methodology Modern code package improves modeling fidelity
- Upgrade low flow/low pressure CHF correlation for MSLB to ANP-10311, Rev. 1 Supplement 1P-A, Rev. 0, ORFEO-HMP Critical Heat Flux Correlation Modern CHF correlation Only events affected by the 24-month cycle conditions analyzed with ANP-10339P-A methods at this time CEA Ejection
- ANP-10338P-A, Rev. 0, AREA
- ARCADIA Rod Ejection Accident Non-proprietary information suitable for public disclosure
Other Fuel Methodologies Some legacy methodologies, CHF correlations, and Topical Reports approved for use at St. Lucie will be retained Methodology & Approach - Fuel Methods LAR Non-proprietary information suitable for public disclosure
Project Kickoff was held November 2021 Unit 2 Fuel Methodology, Criticality, and 24-Month Cycle Implementation LARs under NRC review Unit 1 Status as follows
- SFP and New Fuel Vault Criticality LAR: Audit conducted June 2025
- Fuel Methodology LAR: Licensing Reports in progress Month Cycle Implementation LAR: Work in progress, no additional items requiring NRC approval identified to date Project Status Non-proprietary information suitable for public disclosure
Proposed Schedule Non-proprietary information suitable for public disclosure December 2024 Submit Unit 1 SFP/NFV Criticality LAR August 2025 November 2025 Submit Unit 1 Fuel Methodology LAR Submit Unit 1 24-Month Cycle LAR January 2026 Requested Approval for SFP/NFV Criticality LAR September 2026 December 2026 Requested Approval for Fuel Methodology LAR Requested Approval for 24-Month Cycle LAR Spring 2026 24-Month Fuel Cycle Implementation for Unit 2 Spring 2027 24-Month Fuel Cycle Implementation for Unit 1
Questions?
Non-proprietary information suitable for public disclosure