ML20015A412
| ML20015A412 | |
| Person / Time | |
|---|---|
| Site: | 99902037 |
| Issue date: | 01/29/2020 |
| From: | Leslie Fields Licensing Processes Branch |
| To: | Dennis Morey Licensing Processes Branch |
| Fields L | |
| References | |
| Download: ML20015A412 (2) | |
Text
January 29, 2020 MEMORANDUM TO: Dennis C. Morey, Chief Licensing Projects Branch Division of Operator Reactor Licensing Office of Nuclear Reactor Regulation FROM: Leslie C. Fields, Sr. Project Manager /RA/
Licensing Projects Branch Division of Operator Reactor Licensing Office of Nuclear Reactor Regulation
SUBJECT:
SUMMARY
OF THE NOVEMBER 21, 2019, CLOSED MEETING BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND WESTINGHOUSE ELECTRIC COMPANY TO DISCUSS UPDATES TO CONTROL ROD DRIVE MECHANISM THERMAL SLEEVE REPAIRS On November 13, 2019, the U.S. Nuclear Regulatory Commission (NRC) held a closed meeting with representatives from the Westinghouse Electric Company (Westinghouse) to discuss the latest information on control rod drive mechanism (CRDM) thermal sleeve wear inspection, evaluation, and repair. The information discussed during the meeting was proprietary in nature, and, therefore, the meeting was closed to the public. Information related to the meeting, including meeting notice, agenda, and the attendees list can be found in the Agencywide Documents Access and Management System (ADAMS) Package Accession No. ML19296D044.
The main topic of discussion included a review of inspections, evaluations, and repairs associated with thermal sleeve flange wear. Westinghouse presented the latest developments on operating experience associated with plant susceptibility as it applies to thermal sleeve flange wear. Another topic presented at the meeting included a summary of recommended actions and mitigations strategies put in place to help plants remain consistent with their licensing basis.
The final topic covered during the meeting included a review of thermal sleeve designs and the plans for installation of replacement hardware taking place in the spring of 2020. Westinghouse also mentioned that utilities need to consider the various degradation mechanisms when selecting the appropriate thermal sleeve repair methods.
Docket No. 99902037
Enclosure:
Attendance list CONTACT: Leslie Fields, NRR/DORL/LLPB 301-415-1186
ML20015A421 (Package)
ML19296D044 (Notice)
ML20015A412 (Summary)
ML20015A419 (Attendance) *Via e-mail OFFICE NRR/DORL/LLPB/PM NRR/DORL/LLPB/LA NRR/DORL/LLPB/BC NAME LFields DHarrison* DMorey DATE 01/15/2020 01/27/2020 01/29/2020