RA22-021, Post-Outage 90-Day Inservice Inspection (ISI) Summary Report

Post-Outage 90-Day Inservice Inspection (ISI) Summary Report

ML22159A158
Person / Time
Site:	LaSalle
Issue date:	06/08/2022
From:	Van Fleet J Constellation Energy Generation
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RA22-021
Download: ML22159A158 (4)

Text

LaSalle County Station Constellation 2601 North 21 51 Road Marseilles, IL 61341 815-415-2000 Telephone RA22-021 10 CFR 50.55a(g)

June 8, 2022 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 LaSalle County Station, Unit 1 Renewed Facility Operating License No. NPF-11 NRC Docket Nos. 50-373

Subject:

Post-Outage 90-Day lnservice Inspection (ISi) Summary Report Constellation Energy Generation, LLC provides the attached Post-Outage 90-Day lnservice Inspection (ISi) Summary Report for LaSalle County Station Unit 1, submitted in accordance with 10 CFR 50.55a, "Codes and Standards," and the American Society of Mechanical Engineers Boiler and Pressure Vessel Code Case N-532-5, "Repair/Replacement Activity Documentation Requirements and lnservice Inspection Summary Report Preparation and Submission Section XI, Division 1."

The attached Post-Outage 90-Day ISi Summary Report is for examinations and repair/replacement activities performed between the end on the LaSalle County Station Unit 1 eighteenth refueling outage on February 28. 2020 through the end of the nineteenth refueling outage (L 1R19). This refueling outage started on February 21, 2022 and ended on March 18, 2022.

There are no regulatory commitments contained within this letter. Should you have any questions concerning this letter, please contact Mr. Daniel Mearhoff, Regulatory Assurance Manager, at (815) 415-2800.

Respectfully, Plant Manager LaSalle County Station

Enclosures:

Form OAR-1 Owner's Activity Report cc: Regional Administrator - NRC Region Ill NRC Senior Resident Inspector - LaSalle County Station

FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number L 1R19 Plant LaSalle County Station, 2601 North 21st Road, Marseilles, IL 61341-9757 Unit No. Commercial Service Date October 17, 1984 Refueling Outage Number L1R19 (if applicable) -------------

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

. (1", 2"", 3**, 4'", other)

Current Inspection Period _S_e_co_n_d_l_n-'sp,_e_ct_i_o_n_P_e_ri_o_d....(I_S_l_a_n_d_C_o_n_ta_in_m_e_nt,,,,1,,..s.,,.1),.,,..,,,,.,..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

(1", 2"", 3"')

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 ISi Program Plan- February 11, 2021 Revision 1 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above Code Cases used for inspection and evaluation: N-508-4, N-532-5, N-578-1, N-586-1, N-639, N-648-1, N-702, N-747, N-805 (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 L 1R19 conform to the requirements of Section XI. (refueling outage number)

Signed */JZJ,,_..:::-1/Jtl m9 1(,16 l.r ~"Jt;J ~ ~t. 3 Date (Owner or Owner's deslgnee. 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 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 mo,~ z~p<ope<ydam,geM~::.:::~ .,.;~;;~ooo;;~thli-"° repair/replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any lnspe~gnature) (National Board Numbefamittciorsement)

Date ~ ,2j*l.l

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Examination Item Description Evaluation Description Category Item Number None None None None

TABLE2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Date Repair/Replacement Description of Work Class Description Completed Plan Number Wo 5239003-01 Repair damaged pipe 1 1RHB4-1009 3/14/2022 2942 support Wo 5235786-01 Blend indication for 1RH-3 1RH-HX1 B-9A 3/4/2022 2940 HX1B-9A and MT Wo 5235689-01 replace missing nut on pipe 2 1RH03-1526X 3/4/2022 2939 support Wo 5093453-01 Replace section of piping 3 1HP54A 11/23/2020 2759 1HP54A-4" WO 4973229-20 :REPAIR VALVE BODY INTERNALLY, BY RECONDITIONING AND PERFORMING WELD BUILD-UP OF IDENTIFIED DEFECTS IN THE LOWER 1 1B33-F060B PLUG GUIDE AREA TO SUPPORT 3/7/2022 2937 VALVE REASSEMBLY WITH NEW PARTS.

REFERENCE REPAIR PLAN EC 635306 AND NEW PLUG GUIDE DESIGN EC 635367 1B33-F060B WO 4973228-16 REPAIR VALVE BODY INTERNALLY, BY RECONDITIONING AND PERFORMING WELD BUILD-UP OF IDENTIFIED DEFECTS IN THE LOWER 1 1B33-F060A PLUG GUIDE AREA TO SUPPORT VALVE 3/10/2022 2936 REASSEMBLY WITH NEW PARTS.

REFERENCE REPAIR PLAN EC 635306

• AND NEW PLUG GUIDE DESIGN EC 635367 1B33-F060A WO 04973229-21: PERFORM MACHINING/

RECONDITIONING TO OBTAIN CORRECT PROFILE TO ACCOMMODATE 1 1B33-F060B 3/9/2022 2932 INSTALLATION OF NEW LOWER GUIDE PLUG IN THE 1B33-F060B VALVE BODY IAW EC 635367 AND EC 635306 WO 04973228-17 PERFORM MACHINING/

RECONDITIONING TO OBTAIN CORRECT PROFILE TO ACCOMMODATE 1 1B33-F060A 3/10/2022 2933 INSTALLATION OF NEW LOWER GUIDE PLUG IN THE 1B33-F060A VALVE BODY IAW EC 635367 AND EC 635306 .

1 WO4973228-01 1B33-F060A REPLACE 1B33-F060A 3/12/2022 2896 BALL SHAFT ASSEMBLY (CID 30599-1) 1 WO 4973229-01 1B33-F060B REPLACE 1B33-F060B 3/12/2022 2895 BALL SHAFT ASSEMBLY (CID 30599-1)