BYRON 2018-0130, Transmittal of 90-Day Lnservice Inspection Report for Interval 4, Period 1, (B1R22)

Transmittal of 90-Day Lnservice Inspection Report for Interval 4, Period 1, (B1R22)

ML18352B083
Person / Time
Site:	Byron
Issue date:	12/20/2018
From:	Chalmers T Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BYRON 2018-0130
Download: ML18352B083 (5)

Text

z::::: Byron Generating Station Exeton Ge nera t I on www.exefoncorp.com Rd December 20, 2018 LIR: BYRON 2018-0130 FILE: 1.10.0101 (ID.101)

United States Nuclear Regulatory Commission AUN: Document Control Desk Washington, DC 20555-0001 Byron Station, Unit 1 Facility Operating License No. NPF-37 NRC Docket No. STN50454

SUBJECT:

Byron Station Unit I 90-Day lnservice Inspection Report for Interval 4, Period 1, (B1R22)

The subject 90-Day Inservice Inspection Report for the Byron Station Unit 1 Refueling Outage Twenty-Two (Bi R22) is being submitted pursuant to the requirements of Article IWA-6000, Records and Reports of Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components, of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code 2007 Edition I 2008 Addenda.

This letter provides a copy of Form OAR-i Owners Activity Report for inservice inspection activities performed during the previous fuel cycle. This report meets the requirements of the ASME Code Case N-532-5, Repair/Replacement Activity Documentation Requirements and Inservice Summary Report Preparation and Submission. The report covers the inservice inspections conducted prior to and during the Unit I Fall 201 8 refueling outage.

If there are any questions regarding this matter, please contact Mr. Douglas Spitzer, Regulatory Assurance Manager, at (81 5) 406-2800.

Respectfully,

\

V ThomasD. halmers Plant Manager Byron Generating Station TDC/RP/ZC/rm Attachment

ATTACHMENT 1 FORM OAR-i OWNERS 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-i OWNERS ACTIVITY REPORT ReportNumber B1R22 Plant Byron Generating Station, 4450 North German Church Road, Byron, Illinois 61010 Unit No. 1 Commercial Service Date September 16, 1985 Refueling Outage Number B1R22 (if applicable)

Current Inspection Interval Fourth Inspection Interval (151), Third Inspection Interval (Containment 151)

(ist 2nd 3rd, 4th, other)

Current Inspection Period First Inspection Period (151 and Containment 151)

(ist 2nd 3rd

)

Edition and Addenda of Section XI applicable to the Inspection Plans ASME Section XI 2007 Edition through 2008 Addenda Date and Revision of Inspection Plans January 4th, 2017 I Rev. 1; August 18th, 2018 I Rev. 2 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above Code Cases used: N-432-1, N-508-4, N-513-3, N-513-4, N-532-5, N-586-1, N-597-2, N-639, N-706-1, N-722-1, N-729-4, N-731, N-770-2, N-798, N-800.

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 B1R22 conform to the requirements of Section XI (refueling outage number)

Signed Date 12/18/2018 (Owner 6?OWher:s designeeTifl)

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 Owners 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 man y personal injury or property damage or a loss of any kind arising from or connected with this inspection.

Commission tt2Z /N /L/?/

(Inspectors nature) (National Board Number and Endorsement)

Date t hDSC

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Examination Item Category Number Item Description Evaluation Description D-B D2.1O Fuel Pool Cooling discharge piping IR 04084103 leak identified on line OFCO3B-14. EC 622466 D-B D2.10 Leak on Essential Service Water IR 04157641 (SX) supply to 1 B Diesel Generator EC 624907 on line 1 SX26AB-1 0.

D-B D2.10 Pin hole leak on Tee Branch IR 04169586 1 5X31 1 B-6. EC 625399 C-H C7.1 0 1 Sl8877A bolted connection (body to IR 04171290 bonnet) Evaluated under BACC Program C-H C7.10 1Sl8878C bolted connection (body IR 04171304 to bonnet) Evaluated under BACC Program B-P B15.10 1RC8037A bolted connection (body IR 04171334 to bonnet) Evaluated under BACC Program C-H C7.10 1518889C bolted connection (body IR 04171335 tO bonnet) Evaluated under BACC Program B-P B15.10 1 RC8037B bolted connection (body IR 04172132 to bonnet) Evaluated under BACC Program

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Date Repair/Replacement Class Description Of Work Completed Plan Number 3 OSXB3AB Replaced the degraded pipe 1/5/2018 WO 04689496-01 and elbow on line OSXB3AB. IR 04054456 3 OWOO4AA Replace degraded sections on 5/9/201 8 WO 04596749-57 OWOO4AA-6 as required. IR 04053548.

3 1 SX26AB Perform base metal repair of 9/25/201 8 WO 04809970-0 1 pipe 1 SX26AB-1 0 as approved by EC 437377. IR 04157641 1 1S104024S Replace snubber 1S104024S 9/18/2018 WO 04639454-01 due to functional test failure. IR 04173635 1 1 S104003S Replace snubber 1 S104003S 9/20/201 8 WO 04830562-01 due to functional test failure. IR 04174252 1 1 S109021 S Replace snubber 1 S109021 S 9/22/201 8 WO 04832086-01 due to functional test failure. IR 04175043 1 1 RCOY BA-LLR Replace broken fillet weld for 9/1 8/201 8 WO 04830422-0 1 shim plate assembly on support .

1 RCO1 BA-LLR. IR 04173407 1 1 RCOY BD-LLR Replace broken fillet weld for 9/20/201 8 WO 04832096-0 1 shim plate assembly on support YRCO1BD-LLR. IR 04174489 3 1SX31 1 B Repair Pin hole leak on Tee 9/15/2018 WO 04825544-01 Branch 1SX3Y1B-6. IR 04169586 3 OFCO3B Permanent repairfor Fuel Pool 1/16/2018 WO 04724491 -01 Cooling discharge piping leak identified on line OFCO3B-14.

EC 622527. IR 04084103