ULNRC-06973, Owners Activity Reports (OAR-1 Forms) for Cycle/Refuel 27
| ML25308A247 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 11/04/2025 |
| From: | Elwood T Ameren Missouri, Union Electric Co |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| Shared Package | |
| ML25308A246 | List: |
| References | |
| ULNRC-06973 | |
| Download: ML25308A247 (1) | |
Text
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Callaway Plant MISSOURI November 4, 2025 ULNRC-06973 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen:
DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.
RENEWED FACILITY OPERATING LICENSE NPF-30 QWNER'S ACTIVITY REPORTS (OAR-1 FORMS) FOR CYCLE/REFUEL 27 Enclosed are the Owner's Activity Reports (OAR-1 forms) for Cycle 27 and Refuel 27 activities at Callaway Plant. For the Fourth Interval ISI Program, which ended on December 18, 2024, and for the Third Interval [WE and IWL Programs, the reports are submitted pursuant to the provisions of the applicable revisions of ASME Boiler and Pressure Vessel (B&PV) Code Case N-532-5, "Alternative Requirements to Repair and Replacement Documentation Requirements and Inservice Summary Report Preparation and Submission," and Code Case N-892, "Alternative Requirement for Form OAR-1, Owner's Activity Report, Completion Time Section XI, Division 1." For the Fifth Interval ISI Program, which started December 19, 2024, the report is submitted pursuant to the 2019 Edition of the ASME B&PV Code, [WA-6230, "Owner's Activity Report.
The OAR-1 forms enclosed are associated with the following Cycle 27 and Refuel 27 activities at Callaway Plant:
1.
Inservice Inspection (ISI) and Repair/Replacement activities for:
a.
The fourth ISI Program interval which ended on December 18, 2024 b.
The fifth ISI Program interval which started on December 19, 2024 2.
Containment Inservice Inspection pursuant to ASME Section XI, Subsections IWE and IWL for the third [WE and IWL Program interval.
Each enclosed OAR-1 form includes a listing of items with identified flaws or relevant conditions that required evaluation for continued service (Table 1) and an abstract of repair/replacement activities required for continued service (Table 2).
8315 County Road 459 Steedman, MO 65077 AmerenMissouri.com
ULNRC-06973 November 4, 2025 Page 2 of 4 This letter does not contain new commitments.
Should you have any questions or require further information, please contact Jeremy Morton, Supervising Engineer, Licensing, at 314-225-1803.
Sincerely, Neue 3 hareW Thomas B. Elwood Manager, Regulatory Affairs
/ESS Enclosure OAR-1 Forms (2)
ULNRC-06973 November 4, 2025 Page 3 of 4 Mr. John Monninger Regional Administrator U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. M. Chawla Project Manager, Callaway Plant Office ofNuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop O8B1A Washington, DC 20555-0001
ULNRC-06973 November 4, 2025 Page 4 of 4 Index and send hardcopy to QA File A160.0761 Hardcopy:
Certrec Corporation 6500 West Freeway, Suite 400 Fort Worth, TX 76116 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)
Electronic distribution for the following can be made via Responses and Reports ULNRC Distribution:
NSRB Secretary STARS Regulatory Affairs Mr. Jay Silberg (Pillsbury Winthrop Shaw Pittman LLP)