ML25064A514
| ML25064A514 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/05/2025 |
| From: | Ameren Missouri, Union Electric Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML25064A511 | List: |
| References | |
| ULNRC-06928 | |
| Download: ML25064A514 (1) | |
Text
Enclosure to ULNRC-06928 March 5, 2025 Enclosure OAR-1 Forms (2)
(Five pages follow this cover sheet.)
E170.0100 CALLAWAY NUCLEAR PLANT FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number 26 Plant Callawa~ Energ~ Center, 8315 Coun~ Road 459, Steedman, MO 65077 Unit No.
1 Commercial service date 12/19/1984 Refueling outage no.
26
(~ applicable)
Current inspection interval 4th Interval (ISi Program Plan)
(1st, 2nd, 3rd, 4th, other)
Current inspection period 3rd Period (ISi Program Plan)
(1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plans 2007 Edition with 2008 Addenda Date and revision of inspection plans ISi Program Plan: 19-October-2022, Rev. 004 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as ins12ection Qian.
Code Cases used for inspection and evaluation:
N-532-5 N-661-2 N-716-1 N-729-6 and N-892 (if applicable, including cases modified by Case N-532 and later revisions)
CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of 26 (refueling outage number) conform to the requirements of Section XI.
,~--2'-i PIN: 133511 Signed ISi/Weidin" En".
Date 04-December-2024
/
Owner or Owners Desi~itle CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and employed by Hartford Steam Boiler Ins11ection and Insurance Co.
of Hartford Connecticut have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the repair/replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer sh all be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.
~ r e Commission 16 716
/(N'tf5 (National Board Number and Endorsement)
Date I hz L,r 17 (06/11)
Examination Category and Item Number NONE CALLAWAY NUCLEAR PLANT TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Item Description Evaluation Description
TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Class Item Description Description of Work Date Completed Repair/Replacement Plan Number NONE
CALLAWAY NUCLEAR PLANT FORM OAR-1 OWNER'S ACTIVITY REPORT 26 Report Number Plant Callaway Energy Center. 8315 County Road 459, Steedman, MO 65077 Unit No. -----,.,--~...,..,...-,----
(if applicable)
Current inspection interval Current inspection period Commercial service date ____
1'-"2/=-1-'-'9"'"/..,_1 =-98=-4.,_ ___ _
Refueling outage no.
4rd Interval (IWE/IWL Programs)
(1st, 2nd, 3rd, 4th, other) 3rd Period (IWE/IWL Program)
(1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plans 2007 Edition with 2008 Addenda Date and revision of inspection plans IWE Program: 10/10/2019 Rev. 4.1: IWL Program: 07/23/2018. Rev4 E170.0100 26 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as inspection plan.
Code Cases used for inspection and evaluation:
N-532-5 and N-765 (if applicable, including cases modified by Case N-532 and later revisions)
CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet the Inspection Plan as required by the 26 ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of conform to the requirements of Section XI.
(refueling outage number)
Signed 1}r;µ., W~, l'-/7737 Owner or Owner's o.fsignee, Title IWF/IWL Eng.
Date 04-December-2024 CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and employed by Hartford Steam Boiler Inspection and Insurance Co.
of Hartford. Connecticut have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the repair/replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.
Commission (National Board Number and Endorsement)
(06/11)
CALLAWAY ENERGY CENTER TABLE I ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Item Evaluation Description Category Description and Item Number E-A, E.1.11 lncore sump During RF 26, a CR was generated following the incore liner sump liner inspection.
CR 202307749-During the performance of ASME lWE PROGRAM ZONE 31 inspections on JOB 20513454-500, multiple areas of metal degradation and coating degradation were identified on the liner walls and the liner floor. Pit depths ranged from.0625" to.1875" in depth and.250" to I. I 25" in diameter. In addition, the two sump pumps which are mounted to the sump floor have degraded fasteners. Of the two sumps pumps, with 4 hold down bolts each, only one has a nut left attached. The remaining 7 fasteners no longer have a nut and the remaining stud is degraded. The degraded bolting is outside the scope of the ASME IWE ZONE 31 inspection.
The unsatisfactory condition identified in CR 202307749 has been satisfactorily corrected in Jobs 20003148.496 and 20003148.500.
TABLE2 ABSTRACT OF REPAIR/ REPLACEMENT ACTIVITIES REQUIRED FOR CO1'1TINUED SERVICE Code Item Description Description of Work Date Repair/Replacement Class Completed Plan Number cc lncore sump Liner Base metal repairs of 10/21/2023 Job 20003148.496 the Instrument Sump Liner cc lncore sump Liner Apply protective 10/22/2023 Job 20003148.496 coating to steel lining in the sump