ML23229A526
| ML23229A526 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 08/17/2023 |
| From: | Taylor K South Texas |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| NOC-AE-23003983, 35503591 | |
| Download: ML23229A526 (1) | |
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Nuclear Operating Company South Texas Project Electric Generating Station PO Box 289 Wadsworth. Texas 77483 August 17, 2023 NOC-AE-23003983 10 CFR 50.55a STI: 35503591 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 South Texas Project Unit 1 Docket No. STN 50-498 lnservice Inspection Summary Report - 1RE24 Attached is the South Texas Project Electric Generating Station Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1RE24 completed in April 2023. This summary" report satisfies the reporting requirements of American Society of Mechanical Engineers ASME Code Section XI, Article IWA-6230.
There are no commitments in this letter.
If there are any questions regarding this report, please contact Stephanie Rodgers at 36_1-972-4527 or me at 361-972-7142.
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Kevin Taylor, Jr.
Manager, Strategic Engineering
Enclosure:
Summary Report for the 1RE24 lnservice Inspection of Unit 1 South Texas Project Electric Generating Station cc:
Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 1600 E. Lamar Boulevard Arlington, TX 76011-4511 Chief Inspector Texas Department of Licensing and Regulation Boiler Program P.O. Box 12157 Austin, TX 78711
SUMM ARY REPO RT for the 1RE24 INSERVICE INSPECTION of UNIT 1 SOUT H TEXAS PROJ ECT ELEC TRIC GENERATING STATION Nucl ear Ope ratin g Com pany STP NUCL EAR OPERATING COMP ANY Spring 2023
COVERS HEET 1RE24 INSERVICE INSPECTION SUMMAR Y REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-76 COMMERCIAL OPERATION DA TE: AUGUST 25, 1988 Daniel Moon, ISi Program Owner Reviewed by: ~
Kettiea rris,Su pisor, Testing/ Program Date s
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SCOPE COMPONENT SUPPORTS, WELDS, THERMAL FATIGUE, REPAIR/REPLACEMENT, AND SYSTEM PRESSSURE TESTING INSPECTION PROGRA MS (IWB, IWC, IWD, IWE, IWF)
The examinations summarized in this report were performed in accordance with the 2013 Edition of the ASME Code, Section XI that is applicable to the South Texas Project, Unit 1 fourth ten-year interval (09/25/2020-09/08/2029), first period (09/25/2020-09/24/2023). This report covers selected ASME Code Class 1, 2, and 3 Systems/Components. This report is documented in accordance with the requirements of ASME Section XI Code Case N-532-5.
Examinations and tests required by the Code are scheduled in accordance with "Inspection Program B" as defined in IWB-2412 for ASME Code Class 1 Systems/Components, IWC-2412 for ASME Code Class 2 Systems/Components, IWD-2412 for ASME Code Class 3 Systems/Components, and IWF-2410 component supports.
ASME Code Class 1 components were examined as prescribed by Table IWB-2500-1 and the applicable Examination Categories, which established the examination frequency at each refueling outage. The ASME Code Class 2 Systems/Components were examined in accordance with Table IWC-2500-1, Examination Categories. The ASME Code Class 3 Systems/Components were examined in accordance with Table IWD-2500-1, Examination Categories. Component Supports were examined in accordance with IWF- Table 2500-1, Examination Categories.
FORM OAR-1 OWNER'S ACTIVITY REPORT (Code Case N-532-5)
Report Number..,O"'A...,_R=---l~RE2-==-4=------ -- -- -- - -- --
Plant South Texas Project Electric Generating Station Commercial service date August 25, 1988 Refueling outage no . ....,1=RE2==-4,___ _ _
Unit No.1 (if applicable) th th - -- -- -- -- -
Applicable inspection interval IWB, IWC, IWD, IWF - 4 ; ~
~IW~E~-4 - -----,--- - -- - --
(1 st. 2nd, 3rd, 4th, other)
Applicable inspection period IWB. IWC. IWD. IWF - I st (1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plans -=2"'0'-'-l-"-3..,Ea,..,d,_,_it,_,_io,.,n"----_ _ __
Date and revision of inspection plans eptembcr 25. 2022 / Revisi on 11 the inspection plans NIA Edition and Addenda of Section XI applicable to repair/replacement activities, if different than Code Cases used for inspection and evaluation: N-53'.l-; N-593-".' N-716- ) N-729-6 N-770-5 N-72?- 1 (If applicable)
CERTIFICATE OF CONFORMANCE the Inspection Plan as required by the ASME I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet supporting the completion RE of.,_l_,_, = 2,_.4_ __ _ __ _ __ _ _conforrn Code, Section XI; and (c) the repair/replacement activities and evaluations (refueling outage number) f the ASME Code, Section XI.
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CERTIFICATE OF INSERVICE INSPECTION Pressure Vessel Inspectors and employed I, the undersigned, holding a valid commission issued by the National Board of Boiler and by Bureau Veritas Lnsurance and lnspection Company _ _ _ _ of-"L"-'y_,_,nn.,.,...,M=as"-"s=ac""h"'u"'se,,,tt"'"s_ _ _ _
Report and state that, to the best of my knowledge and belief, the Owner has performed have inspected the items described in this Owner's Activity accordance with the requirement s of the ASME Code, Section XI.
all activities represented by this report in or implied, concerning the repair/replacement By signing this certificate, neither the Inspector nor his employer makes any warranty, expressed nor his employer shall be liable in any manner for any personal activities and evaluations described in this report. Furthermore, neither the Inspector injury or property damage or loss of any kind arising from or connected with this inspection.
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Table 1 Items With Flaws or Relevant Conditions That Required Evaluation for Continued Service 1RE24 Spring 2023 ASME Item Item Evaluation Description Category Number Description PRESSURIZER BASE During lnservice visual Inspection Spalling was F-A E1.40 SUPPOR T identified on the pressurizer skirt base. CR# 23-3295
TABLE 2 ABSTRACT OF REPAIR/RE PLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE REPAllt/REP.1.MEMENT PUN ESSENTIAL REPLACEMENT VALVE COOLING WATER REPLACED VALVE. 7/12/2023 1-15-060 3
REPLACED BOLTS REACTOR AND FLAT REPLACEMENT PUMP COOLANT WASHERS. 8/8/2023 1-19-048 1
REACTOR REPLACED PLUG VALVE COOLANT AND SEAT. 6/7/2023 1-20-018 1 REPLACEMENT ESSENTIAL REPLACEMENT VALVE COOLING WATER REPLACED VALVE . 5/4/2023 1-20-023 3
ESSENTIAL REPLACEMENT PIPE COOLING WATER REPLACED PIPE. 7/12/2023 1-20-027 3
ESSENTIAL REPLACED REPLACEMENT FLANGE COOLING WATER FLANGE. 5/4/2023 1-21-002 3
ESSENTIAL REPLACED REPLACEMENT FLANGE COOLING WATER FLANGE. 5/4/2023 1-21-003 3
REPLACED ESSENTIAL THERMOWEL THERMOWELL COOLING WATER 1-21-010 3 REPLACEMENT L AND SOL. 5/4/2023 PIPE AND ESSENTIAL REPLACED PIPE REPLACEMENT FLANGE COOLING WATER AND FLANGE. 5/4/2023 1-21-011 3
ESSENTIAL REPLACED 3 REPLACEMENT FLANGE COOLING WATER FLANGE. 7/12/2023 1-21-015 ESSENTIAL REPLACED 3 REPLACEMENT FLANGE COOLING WATER FLANGE. 7/12/2023 1-21-016 ESSENTIAL REPLACEMENT VALVE COOLING WATER REPLACED VALVE. 5/4/2023 1-21-042 3
INSTALL PATCH FEEDWATER MATERIAL ON 2 REPAIR VALVE VALVE. 8/8/2023 1-22-003 ESSENTIAL 3 REPLACEMENT VALVE COOLING WATER REPLACED PLATE. 3/20/2023 1-22-005 REPLACED END STANDBY DIESEL COVERS AND 3 REPLACEMENT COOLER GENERATOR CHANNEL HEAD. 3/20/2023 1-22-008 REPLACED END STANDBY DIESEL COVERS AND 3 REPLACEMENT COOLER GENERATOR CHANNEL HEADS. 3/20/2023 1-22-011 REPLACED ESSENTIAL EXPANSION EXPANSION COOLING WATER 1-22-012 3 REPLACEMENT JOINT JOINT. 7/12/2023 REPLACED PIPE, STANDBY DIESEL FLANGES, AND REPLACEMENT PIPE GENERATOR BOLTING. 8/8/2023 1-22-013 3
REACTOR REPLACED PLUG, 1 REPLACEMENT VALVE COOLANT CAGE, AND SEAT. 7/12/2023 1-22-014
TABLE 2 ABSTRACT OF REPAIR/RE PLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE REPLACED PIPE, ESSENTIAL FLANGES, AND U-COOLING WATER 1-22-015 3 REPLACEMENT PIPE STRAPS. 8/8/2023 ESSENTIAL REPLACEMENT PIPE COOLING WATER REPLACED PIPE. 8/8/2023 1-22-018 3
ESSENTIAL PERFORMED COOLING WATER WELD BUILDUP. 8/8/2023 1-22-019 3 REPAIR WELDOLET ESSENTIAL PERFORMED REPAIR WELDOLET COOLING WATER WELD BUILDUP. 8/8/2023 1-22-020 3
ESSENTIAL REPLACEMENT VALVE COOLING WATER REPLACED VALVE. 8/9/2023 1-22-021 3
EXPANSION ESSENTIAL REPLACED REPLACEMENT JOINT COOLING WATER FASTENERS. 7/12/2023 1-22-022 3
REACTOR REPAIR VALVE COOLANT REMOVE VALVE. 5/3/2023 1-22-023 1
REACTOR 1 REPLACEMENT VALVE COOLANT INSTALL VALVE . 5/3/2023 1-22-025 CHEMICAL 2 REPLACEMENT VALVE VOLUME CONTROL REPLACED VALVE . 5/9/2023 1-22-026 RESIDUAL HEAT 2 REPLACEMENT VALVE REMOVAL REPLACED VALVE . 7/12/2023 1-22-028 REPLACED VALVE 2 REPLACEMENT VALVE MAIN STEAM BONNET. 5/3/2023 1-22-029 REPLACED REACTOR CARTRIDGE SEAL 1 REPLACEMENT PUMP COOLANT HOUSING 8/8/2023 1-22-032 1 REPLACEMENT VALVE SAFETY INJECTION REPLACED VALVE . 6/8/2023 1-22-043 CHEMICAL 1 REPLACEMENT PIPE VOLUME CONTROL REPLACED PIPE. 6/8/2023 1-22-044 HEAT SPENT FUEL POOL 3 REPLACEMENT EXCHANGER COOLING REPLACED PLUG . 4/12/2023 1-22-045 ESSENTIAL 3 REPLACEMENT VALVE COOLING WATER REPLACED VALVE . 8/9/2023 1-22-047 ESSENTIAL REPLACEMENT VALVE COOLING WATER REPLACED VALVE. 3/25/2023 1-23-002 3
REACTOR FABRICATE SEAL 2 REPAIR VALVE COOLANT CAP. 7/12/2023 1-23-008 COMPONENT REPLACEMENT VALVE COOLING REPLACED VALVE. 5/4/2023 1-23-010 3
CHEMICAL REPLACEMENT VALVE VOLUME CONTROL REPLACED PLUG. 5/9/2023 1-23-011 2
REPLACED ESSENTIAL THERMOWEL THERMOWELL COOLING WATER 1-23-012 3 REPLACEMENT L AND SOL. 5/3/2023 2
TABLE 2 ABSTRAC T OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE REPA'IJt/ ~
!UN REPLACED REPLACEMENT SNUBBER FEEDWATER SNUBBER. 4/12/2023 1-23-016 2
REACTOR REPLACEMENT PIPE COOLANT REPLACED PIPE. 6/8/2023 1-23-017 1
STEAM REPLACED SNUBBER GENERATOR SNUBBER. 4/12/2023 1-23-020 2 REPLACEMENT 3