BW200095, Inservice Inspection Summary Report

Inservice Inspection Summary Report

ML20344A058
Person / Time
Site:	Braidwood
Issue date:	12/09/2020
From:	Keenan J Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BW200095
Download: ML20344A058 (5)

Text

S~Exelon December 9, 2020 BW200095 U.S. Nuclear Regulatory Commission ATTN

Document Control Desk Washington, DC 20555-0001 Braidwood Station, Unit 2 Renewed Facility Operating License No. NPF-77 NRC Docket No. STN 50-457

Subject:

Braidwood Station, Unit 2 lnservice Inspection Summary Report Enclosed please find the post-outage summary report for lnservice Inspection (ISi) examinations conducted prior to and during Braidwood Station, Unit 2 Refueling Outage 21 (A2R21). This report is submitted in accordance with the requirements of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code,Section XI, "Rules for the lnservice Inspection of Nuclear Power Plant Components," and ASME Code Case N-532-5, "Repair/Replacement Activity Documentation Requirements and lnservice Inspection Summary Report Preparation and Submission - Section XI, Division 1." provides the Owner's Activity Report (OAR) for ISi activities conducted prior to and during A2R21 including a list of items with flaws or relevant conditions that required evaluation for continued service, and an abstract of repair/replacement activities required for continued service.

Please direct any questions you may have regarding this submittal to Mr. Kevin Lueshen, Regulatory Assurance Manager, at (815) 417-2800.

John P Keenan Site Vice President Braidwood Station Attachments:

1. Owner's Activity Report (OAR) for refueling outage A2R21 cc: Regional Administrator - NRC Region Ill NRC Senior Resident Inspector - Braidwood Station NRR Project Manager- Braidwood Station Illinois Emergency Management Agency - Division of Nuclear Safety

ATTACHMENT 1 FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 1, ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE TABLE 2, ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE

FORM OAR-1 OWNER'S ACTIVITY REPORT Plant Braidwood Generating Station, 35100 South Route 53, Suite 84, Braceville, Illinois 60407 Unit No. ----"2'--~-- Commercial Service Date _ _ _ Oc:tober 17, 1988 Refueling Outage Number A2R21 (If applicable)

Current Inspection Interval Fourth Inspection Interval (ISI), Third Inspection Interval (Containment ISI)

(1", 2"d, 3"', 4"', other)

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

(1", 2nd, 3"')

Edition and Addenda of Section XI applicable to the Inspection Plans ASME Section XI 2013 Edition, No Addenda Date and Revision of Inspection Plans October gth 2018 / Rev. O*

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Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above Code Cases used: N-513-4, N-532-5 N-639 N-729-4, N-731 N-747, 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 A2R21 conform to the requirements of Section XI (refuel:ng outage number)

Signed ------~-'-------*----------------

(Owner or Owner's designee. Title)

Date 9/25/2020 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 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 manne personal injury, or property damage or a loss of any kind arising from or connected with this inspection.

__::::::::::::::2:...:~:::::~_::tv:::_:~::._::::::!'~-!:--=_-<-:!~--- Commission (National Board Number and Endorsement)

Date

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Examination Item Cateqorv Number Item Description Evaluation Description N/A N/A N/A N/A

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Date Repair/Replacement Class Description Of Wor~ Completed Plan Number 3 2FC01P Replace bearing seal degraded 6/27/2020 WO# 4854853 per IR4189589 (Plan 2-19-003) 3 2SXA9A Replace 130' of line based on 06/26/2020 WO# 4878750 UT results, IR 4208755 (Plan 2-20-014) 1 2RC8042A Replace valve per EC 401903 07/23/2020 WO #5032066

& IR 4336742 due to Boric Acid (Plan 2-20-019)

Leak 2 280120488 Replace existing Snubber with 07/09/2020 WO# 4907905 new one per IR 4337737 (Plan 2-20-023) 1 2CV40011S Modify Snubber per IR 7/23/2020 WO# 4930224 4275530 to meet acceptable Plan 2-20-004 tolerances 3 2SX052B Replace valve 2SX052B due to 3/8/2019 WO #4866037 defects identified, IR 4194403 Plan 2-19-001