SVPLTR 24-0010, Owners Activity Report (OAR-1) for D2R28

Owners Activity Report (OAR-1) for D2R28

ML24094A051
Person / Time
Site:	Dresden
Issue date:	03/15/2024
From:	Joseph C Constellation Energy Generation
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPLTR 24-0010
Download: ML24094A051 (1)

Text

Constellation SVPLTR: #24-0010 March 15, 2024 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Unit 2 Renewed Facility Operating License No. DPR-19 NRC Docket No. 50-237 Dresden Nuclear Power Station 6500 North Dresden Road Morris, IL 60450

Subject:

Dresden Nuclear Power Station Unit 2 Owner's Activity Report (OAR-1) for D2R28 The Dresden Nuclear Power Station (DNPS) Unit 2 OAR-1 for D2R28 (Attachment 1) is submitted in accordance with the provisions in the 2019 Edition of the ASME Section XI, which has been incorporated by reference in 10 CFR 50.55a(a) and was approved by NRC staff for CEG implementation by letter No. ML23114A252. In accordance with the conditions set forth above, this OAR-1 form is being submitted within 120 days of the completion of the refueling outage.

This is the first refueling outage of the First Period of the Sixth 10-Year Interval lnservice Inspection (ISi) Program for DNPS Unit 2. Also, this is the first refueling outage conducted in the First Inspection Period of the Fourth 10-Year Interval Containment lnservice Inspection (CISI)

Program for DNPS Unit 2.

Should you have any questions concerning this letter, please contact Daniel J. Murphy, Regulatory Assurance Manager, at (815) 416-2800.

Carolyne Joseph Site Vice Preside Dresden Nuclear Attachment OAR-1 Owner's Activity Report for Dresden Nuclear Power Station D2R28

J Owner's Activity Report, Form OAR-1 FORM OAR-1 OWNER'S ACTIVITY REPORT Refueling Outage D2R28 OAR-1 Report Number Plant Dresden Nuclear Power Station, 6500 North Dresden Road Morris, IL 60450 Unit No.

2 Commercial Service Date --------'-06=-/---=0--'--9'----'/l=9----'-7---=0---- Refueling Outage Number -----=D---=2'-'-R'---2--'--8 __

(if applicable)

Applicable Inspection Interval Applicable Inspection Period Edition and Addenda of Section XI applicable to the Inspection Plans Date and Revision of Inspection Plans 6th Inspection Interval (ISi), 4th Containment Inservice Inspection Interval (CISI) 5th Inspection Interval (IS!), 3rd Containment Inservice Inspection Interval (CISI)

(l't, 2nd, 3rd, 4111, other) 1st Inspection Period (ISi), 1st Inspection Period (Containment) 3rd Inspection Period (IS!), 2nd Inspection Period (Containment)

(1, 2nd, 3rd) 2017 Edition, No Addenda (IS!), 2017 Edition, No Addenda (Containment) 2007 Edition and 2008 Addenda (ISi), 2013 Edition (Containment) 01/20/2023 (ER-DR-330-1001 Rev. 3)

Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans N/A Code Cases used:

N-613-2 N-702 N-716-2 N-768 N-858 N-885 (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 D2R28 conform to the requirements of Section XI (refueling outage number)

Signed _M_a_te_ri_al_P_r_og_.r_a_m_s_E_ng_i_ne_e_r_/_~---*..,(&_=~------ Date Owner or Owner's 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 and employed by The Hartford Steam Boiler Inspection and Insurance Company 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. Ill. '--17 rs; 2 7 0.

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.

Commissions NB10972 R N I Inspector's Signature (National Board Number and Endorsements)

Date Page 2 of 4

Examination Category and Item Number F-A, Fl.10 F-A, Fl.20 F-A, Fl.10 Owner's Activity Report, Form OAR-1 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Item Description Evaluation Description IR 4714132 - D2R28 - ISI Exam Relevant Condition on M-See EC 640168 1167D-1 Suooort IR 4715010 - D2R28 -ISI Exam Relevant Condition on M-See EC 640189 3209-13 Pipe Support IR 4715724 - D2R28-ISI Exam Relevant Condition on M-See IR 4715724 1157D-261 Suooort Page 3 of 4 Owner's Activity Report, Form OAR-1 TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Date Repair/

Class Description Of Work Completed Replacement Plan Number 3

WO 5211916 - U2 CCSW Div 1 thru wall leak Replace a section of degraded CCSW 2-1510-16" 12/12/21 RRP 2-21-070 piping RRP 2-21-071 3

WO 5213533 - Suspect U2 CCSW piping bay 10 Repair the CCSW pipe EC 635731 (Line # 2-1510-12/16/21 RRP 2-21-073 visual indication 16"-D) 2 WO 5142586 - Degraded piping off the 2-1401-4 Replace degraded piping off the 2-1401-4 jockey 5/4/22 RRP 2-22-004 Jockey Pump pump 3

WO 1889115 - Replace CCSW vault cooler cooling Replace the existing degraded CCSW Vault room 9/13/22 RRP 2-22-005 coils - U2-division 1 cooler cooling coils Replace CCSW piping from 517 TB to RBEDT RRP 2-23-035 3

WO 4845795 - Unit 2 CCSW piping replacement room and CCSW piping in RBEDT room to Torus 11/12/23 RRP 2-23-036 Catwalk area 2

WO 5017093 - Replace S4AMC coded SBLC fittings Replacement of Unit 2 SBLC fittings on 2A Train 11/13/23 RRP 2-23-063 Rev 2 for 2A train.

1 WO 5080254 - Replacement 2-0220-63(4)A valves Replace recirc pump drain valve 2-0220-64A 11/07/23 RRP 2-23-013 1

WO 4987982 - Leakage from pipe cap Replace recirc pump drain valve 2-0220-64B 11/01/23 RRP 2-23-065 downstream of 2-0220-63B/64B 1

WO 5235806 - U2 CRD D-14 101 valve Repair/replace the 2-0305-14-55-101 valve 11/08/23 RRP 2-23-052 Page 4 of 4