ML22047A132

Owner'S Activity Report Submittal Fifth 10-Year Interval 2021 Refueling Outage Activities

ML22047A132
Person / Time
Site:	Dresden
Issue date:	02/15/2022
From:	Patrick Boyle Constellation Energy Generation
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPL TR 22-0001
Download: ML22047A132 (4)

Text

Constellation Energy Generation, LLC Constellation Dresden Station 6500 North Dresden Road Morris, IL 60450 SVPLTR# 22-0001 February 15, 2022 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Unit 2 Facility Operating License No. DPR-19 NRG Docket No. 50-237

Subject:

Owner's Activity Report Submittal Fifth 10-Year Interval 2021 Refueling Outage Activities This letter submits the Owner's Activity Report (i.e., Form OAR-1) for the Dresden Generating Station (DGS) Unit 2 refueling outage (D2R27) that began on November 8, 2021 and was completed on November 22, 2021. This is the second refueling outage conducted in the Third (3 rd ) Inspection Period of the Fifth (5 th ) 10-Year Interval lnservice Inspection (ISi) Program for DGS Unit 2. Also, this is the first refueling outage conducted in the Second (2 nd ) Inspection Period of the Third (3 rd ) 10-Year Interval Containment lnservice Inspection (GISI) Program for DGS Unit 2. The Owner's Activity Report is provided and attached to this letter.

This Owner's Activity Report is submitted in accordance with American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code Case N-532-5, "Repair/Replacement Activity Documentation Requirements and lnservice Summary Report Preparation and Submission". Code Case N-532-5 requires an Owner's Activity Report Form OAR-1 to be prepared and certified upon completion of each refueling outage. In accordance with the conditions of Code Case N-532-5, this OAR-1 form is being submitted within ninety (90) days of the completion of the refueling outage.

Should you have any questions concerning this letter, please contact Duane Avery, Regulatory Assurance Manager at (815) 416-2804.

Respectfully, 8#~

Patrick J. Boyll' Site Vice President Dresden Nuclear Power Station Enclosures

Attachment 1 Owner's Activity Report, Form OAR-1 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number Refueling Outage D2R27 OAR-1 Plant Dresden Generating Station, 6500 North Dresden Road Morris, IL 60450 Unit No. 2 Commercial Service Date 06/09/1970 Refueling Outage Number D2R27 (if applicable)

Current Inspection Interval 5th Inspection Interval (ISI), 3rd Inspection Interval (Containment)

(1 st, 2nd, 3n1, 4th, other)

Current Inspection Period 3rd Inspection Period (ISI), 2nd Inspection Period (Containment)

(l't, 2nd, 3ro) 2007 Edition and 2008 Addenda (ISI),

Edition and Addenda of Section XI applicable to the Inspection Plans 2013 Edition (Containment)

Date and Revision of Inspection Plans 09/30/2021 (ER-DR-330-1001 Rev. 2)

Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans NA Code cases used: N-508-4, N-526, N-532-5, N-552-1, N-600, N-613-2, N-702, N-747, N-765, N-778, N-798, N-805, N-825, N-845 (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 D2R27 conform to the requirements of Section XI (refueling outage number)

Signed Material Programs Engineer/

Owner or Owner's designee. Title Date 2 /10 /.10 J_l_

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.

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)

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Attachment 1 Owner's Activity Report, Form OAR-1 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDMONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category and Item Description Evaluation Description Item Number EC 635155 - EVALUATION OF LEAKAGE AT LEAKAGE C-H, C7.10 IR 04446281 - Existing packing leak on 2-1501-798 LIMITING DEVICE FROM LPCI VAL VE Page 4 of5

Attachment 1 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 Degraded pipe was cut out and welded in (WO 3 Repair CREVS Pipe and Valve 8/6/2021 2-21-058 05175915)

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