ML23023A199

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(PBAPS) Unit 2, ISI Owner'S Activity Report for the 24th Refueling Cycle Covering ISI Activities Associated with the First Period of the 5th ISI Inspection Interval for Unit 2
ML23023A199
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 01/20/2023
From: Morris J, Weis M
Constellation Energy Generation
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23023A197 List:
References
CCN: 23-02
Download: ML23023A199 (3)


Text

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number P2R24 Plant Peach Bottom Atomic Power Station, 1848 Lay Road, Delta, PA 17314 Unit No. 2 Commercial Service Date July 5, 1974 Refueling Outage Number P2R24 (if applicable)

Current Inspection Interval ISI = Fifth Inspection Interval / CISI = Third Inspection Interval (1st, 2nd, 3rd, 4th, other)

Current Inspection Period First Inspection Period (ISI and Containment ISI)

(1st, 2nd, 3rd )

Edition and Addenda of Section XI applicable to the Inspection Plans ASME Section XI 2013 Edition Date and Revision of Inspection Plans ER-PB-330-1001 Rev. 4 (10/16/2020), Rev. 5 (9/28/2021), Rev. 6 (10/25/2022)

Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above Code Cases used: N-532-5, N-613-2, N-639, N-702, N-716-1, N-854, N-858, N-864 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 P2R24 conform to the requirements of Section XI (refueling outage number)

Digitally signed by Weis, Mark E.

Weis, Mark E. DN: cn=Weis, Mark E.

Signed Date: 2023.01.20 14:23:05 -05'00' Mark Weis, Fleet ISI Program Owner Date (Owner or Owners designee. Title)

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 Company 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.

Morris, Jonathan Digitally signed by Morris, Jonathan Sherman Commissions 14732 I, N, R PA 3227 Sherman Date: 2023.01.20 14:24:57 (Inspectors

-05'00' Signature) (National Board Number and Endorsement)

Date Page 1 of 3

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Examination Item Category Number Item Description Evaluation Description As found condition repaired in P2R23 (2020) and accepted for one Leak found at N-16A nozzle during cycle per EC 632907. Relief B-P B15.10 B-P Pressure Test in 2R23 (2020) Request I5R-14 Revision 1 approves repair for remainder of 5th ISI interval, refer to ML22236A670.

As found condition identified 4 areas which exceeded established global wall thinning limit and 10% wall loss criteria, IR 4533172. All locations were compared to the allowable Torus Pitting on Wetted Surfaces in local wall thinning limits and E-A E1.12 Submerged Areas sufficient margin still exists. All areas were prepped and mitigated with Service Level 1 coating. All areas are now Category E-C components and will be inspected during the next period.

Page 2 of 3

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Date Repair/Replacement Class Description Of Work Completed Plan Number MS Isolation Valve 22-010 AO-2-01A-086B Replaced studs and nuts on 1 10/28/2022 22-011 AO-2-01A-086C Main Steam Isolation Vales22-012 AO-2-01A-086D Repair pinhole leaks (2 total)22-050 33HB-20 ESW 3 with branch connection per EC 5/27/2022 22-051 Piping 636830 22-052 32GB-H43 and Added new shim to support to 3 6/2/2021 21-086 32GB-S58 support restore design configuration Added new shim to support to 3 32GB-H27 support 10/14/2021 21-110 restore design configuration Replace studs and nuts on MC N-200A 10/27/2022 22-005 torus access hatch Page 3 of 3