NOC-AE-17003503, Inservice Inspection Summary Report - 1 RE20
| ML17205A575 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 07/20/2017 |
| From: | Wallis K South Texas |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NOC-AE-17003503, STI: 34524334 | |
| Download: ML17205A575 (10) | |
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Nuclear Operating Company
_. Ill .-
South Texas Project Electric Ce11erati11g Station P.O Box 289 Wadsworth, Texas 77481 July 20, 2017 NOC-AE-17003503 10 CFR 50.55(a)
U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 South Texas Project Unit 1 Docket No. STN 50-498 lnservice Inspection Summary Report - 1 RE20 Attached is the South Texas Project Electric Generating Station Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1RE20 completed in April 2017. This summary report satisfies the reporting requirements of ASME Code Section XI, Article IWA-6230.
There are no commitments in this letter.
If there are any questions regarding this report, please contact Wendy Brost at (361) 972-8516 or me at (361) 972-4687.
rµ' rJ,,JiJ, Kyle M. Wallis Manager, Systems Engineering web
Attachment:
Summary Report for the 1RE20 lnservice Inspection of Unit 1 South Texas Project Electric Generating Station STI: 34524334
NOC-AE-17003503 Page 2 of 2 cc:
(paper copy) (electronic copy)
Regional Administrator, Region IV Morgan. Lewis & Beckius LLP U.S. Nuclear Regulatory Commission Steve Frantz, Esquire 1600 East Lamar Boulevard Paul Bessette Arlington, TX 76011-4511 U.S. Nuclear Regulatory Commission Lisa M. Regner Lisa M. Regner Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (08H04) NRG South Texas LP 11555 Rockville Pike Mark Walker Rockville, MD 20852 Jim von Suskil Skip Zahn NRC Resident Inspector U. S. Nuclear Regulatory Commission CPS Energy P. 0. Box 289, Mail Code: MN116 Kevin Pollo Wadsworth, TX 77483 Cris Eugster L.D. Blaylock City of Austin Elaina Ball John Wester Texas Dept. of State Health Services Helen Watkins Robert Free
SUMMARY
REPORT For 1RE20 INSERVICE INSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION Nuclear Operating Company STP NUCLEAR OPERATING COMPANY 3/18/17 - 4/25/17
COVERSHEET 1RE20 INSERVICE INSPECTION
SUMMARY
REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX 289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988
SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, CONTAINMENT METEL LINER LINER, AND WELD INSPECTION PROGRAMS (IWB, IWC, IWD)
The examinations summarized in this report were performed in accordance with the 2004 Edition with no Addenda of the ASME Code,Section XI that is applicable to the South Texas Project, Unit 1, third ten year interval (09/25/2010-09/24/2020), second period (09/25/2013-09/24/2017). 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-532-4.
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-532-4)
Report Nunmber __ _ O AR -l RE 2
0------------------------------
Plant South Texas Project Electric Generating Station Unit No. _
__ ___ Commercial service date August 25, 1988 Refueling outage no. _ _RE l 2 "'------- -
= 0 (If applicable)
Current inspection interval IWB IWC IWD IWF - 3'ct ; "'"IWE'--,-=2'-" ct:-------------
(1 " , znd, 3'd, 4th, other)
Current inspection period IWB IWC IWD IWF - 2nct ; IWE -2"ct 2"d, 3'd)
(1 " ,
Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision ofinspectipn plan Revision 7 Effective date: 10/8/2012, Supp lement 1 Effective date: 7/18/2013 Supplement 2 Effective date: 4/2/2014 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan N/A Code Cases used: N-460 N-532-4 N-578-1 N-706-1 N-729-1 N-770-1 N-722-1 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 1 RE20 conform to the requirements of Section XI.
(Refuel g outage number)
Date: July 20, 2017 CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and pressure Vessel Inspectors and the State or Province of Texas and employed by ABS Boiler & Marine Insurance Co. of Houston, Texas 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 repairs/
replacements activities and evaluation described this report. Furthermore, neither the inspector nor his employer shall be liable in any manner for an -Rerson injury or f any kind arising from the connect d with this inspection.
J ;j/4t Inspector's Signature Commissions /5( &Z<?
National Board, Sta , Province, and Endorsements Date
TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE20 SPRING 2017 Examination Item Item Evaluation Description Cateqorv Number Description E-A E1.11 ISi
SUMMARY
NUMBER#900130 CR 17-14067 - During 1RE20 CONTAINMENT LINER (90-180 DEG ) In-service Inspections (ISi ) , an
<83' HVAC duct support was found in contact with the containment liner plate.
N/A N/A TPNS# 1R111NPZ1101A (PRESSURIZER CR 17-13147 - Identified during 1A) 1RE20 ZE-0033 Inspection WAN 519564. There are dry and discolored deposits around the U1 Pressurizer manway cover. Manway cover gasket was replaced with a seal welded diaphragm and CS bolts were replaced with CS studs and nuts in 1RE18 WAN 485295.
NOTES:
- 1. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI lnservice Inspection, documents lnservice Inspection activities during 1RE20.
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TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE20 SPRING 2017 Item Code Class Corrective Measure Description of Work Date Completed Description Refurbish 4" Valve, Replaced Ball & Seat assembly on CVCS 3 Replacement Valve 3/28/2017 1 14 025 Boric Acid Filter Inlet Valve Replaced water box bolting 5/8" on Essential chilled Water 3 Replacement Bolting 9/15/2016 1 14 028 Chiller Unit 12A 2 Repair Seal Housing Repair spare RHR seal housing, DCP # 14-26359-2 8/8/2016 1 15 054 2 Repair Seal Housing Repair spare RHR seal housing, DCP # 14-26359-2 8/8/2016 1 15 055 DCP # 13-11301-6, 1EWSYSTEM Replacement 30" & 2 3 Replacement Piping 9/22/2016 1 15 056 Fig/piping/valve, Welding Replaced EW-1305-HL5003, EW1305-HL5004 AND EW-3 Replacement Piping 2/18/2016 1 15 058 1466-HL5002 PER DCP 13-11301-5 per DCP # 13-11301-5 DCP # 13-11301-5, Pipe Support CV1171HL5009 Removed, 3 Replacement Support 2/18/2016 1 15 059 Welding Replaced aluminum bronze piping and fittings per DCP # 13-3 Replacement Piping 11301-6, DCN# 1500954, DCN 1500955. EW 30" & 2" 3/12/2016 1 15 062 Fig/piping.
30" ECW Pump 1 B Discharge Check Valve 3 Replacement Valve 3/8/2016 1 16 003 Replacement/Swap DCP # 13-11301-5, Replacement 30" & 2 Fig/piping/valve, 3 Replacement Valve I Piping 4/15/2016 1 16 004 Welding 3 Replacement Piping Replacement EW 2", 3" & 4" piping, Fae-Welding. 3/12/2016 1 16 006 DCP # 13-11301-5, DCN 1500439., Overlay EW 30" 3 Replacement Valve I Piping 4/14/2016 1 16 007 Fig/piping, Welding 3 Replacement Piping DCP 13-11301-5, Replace EW 2" piping, FAG-Welding 4/15/2016 1 16 008 3 Replacement Piping Replaced EW 30' piping, ASME CL-3, FAG-Welding 6/29/2016 1 16 009 Replace EW 30' & 2 "valve/piping ASME CL-3, DCP 13-3 Replacement Valve I Piping 9/22/2016 1 16 010 11301-9. Welding 1 Replacement Seal Replacement of seal package on RCP #1D. 4/16/2017 1 16 012
TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE20 SPRING 2017 Code Item Repair/Replacement Corrective Measure Description of Work Date Completed Class Descriotion Plan Number 1 Replacement Valve Replacement/Swap PZR PSV 6" valve 4/8/2017 1 16 013 1 Replacement Valve Replacement/Swap PZR PSV 6" valve 4/8/2017 1 16 014 1 Replacement Valve Replacement/Swap PZR PSV 6" valve 4/8/2017 1 16 015 3 Replacement Valve Replaced 1 1/2" valve 3/22/2017 1 16 016 Replaced 12" Valve & Bolting DCP # 16-128-34, SPENT 3 Replacement Valve I Bolting 3/22/2017 1 16 017 FUEL POOL HX 1 B CCW SUPPLY VALVE Replaced 12" Valve & Bolting DCP # 16-128-34, SPENT 3 Replacement Valve I Bolting 3/22/2017 1 16 018 FUEL POOL HX 1 B CCW SUPPLY VALVE Replacement 12" Valve DCP # 16-128-34, SPENT FUEL 3 Replacement Valve 3/22/2017 1 16 019 POOL HX 1A CCW SUPPLY VALVE Replaced 12" Valve & Bolting DCP # 16-128-34, SPENT 3 Replacement Valve I Bolting 3/22/2017 1 16 020 FUEL POOL HX 1A CCW RETURN VALVE Replaced 2" POSITIVE DISPLACEMENT PUMP 2 Replacement Valve 11/8/2016 1 16 021 DISCHARGE CHECK VALVE 2 Replacement Pipe Supports Replaced 2" Pipe Supports CV1112HF5005 & HF5006 11/8/2016 1 16 022 1EWSYSTEM Replaced 30" Piping/Flange overlay. DCP 13-3 Replacement Piping 9/13/2016 1 16 024 11301-9, Welding 1EWSYSTEM Replace 2" & 3" piping. DCP 13-11301-9, 3 Replacement Piping 9/16/2016 1 16 027 Welding Replacement 6" TRAIN A ESSENTIAL CHILLER 12A 3 Replacement Valve 9/15/16 1 16 029 OUTLET THROTTLE VALVE Replacement RCP Motor Air and Oil Coolers ref (REACTOR 3 Replacement Coolers 4/14/2017 1 16 034 COOLANT PUMP MOTOR NO 2)
Replacement 30" CW PUMP 1A DISCHARGE CHECK 3 Replacement Valve 9/15/2016 1 16 036 VALVE Replaced 2" CV POSITIVE DISPLACEMENT PUMP ALT 2 Replacement Valve I Piping 9/21/2016 1 16 042 RCP SEAL SUPPLY GATE VALVE Repair/machining 30" ECW PUMP 1A DISCHARGE CHECK 3 Repair Valve 9/26/2016 1 16 043 VALVE PLATES(Spare)
Replaced ECW RETURN HEADER SLOWDOWN MANUAL 3 Replacement Valve 9/14/2016 1 16 044 ISOLATION 4"Vave DCP # 16-1874-7.
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TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE20 SPRING 2017 Item Repair/Replacement Code Class Corrective Measure Description of Work Date Completed Description Plan Number MSIP Mechanical Stress Improvement Process DCP 1 Replacement Piping 4/12/2017 1 16 045
- 15-16599-5 MSIP, shimming SG (all Loops) upper and lower 1 Replacement Support 4/12/2017 1 16 050 lateral supports.
MSIP, modify and/or replace shims for RCP tie rods 1 Replacement Support 4/12/2017 1 16 051 (all loops).
2 Replacement Valve Plug Replaced plug 8" on SIG 1C MS OUTLET PORV 4/2/2017 1 17 003 3" eves LETDOWN ORIF ICE OUTLET HEADER 2 Replacement Valve 3/30/2017 1 17 005 PRESSURE RELIEF VALVE INCORE INSTRUMENTATION SYSTEM BMI 1 Repair BMI Thimble 4/12/2017 1 17 006 Thimble I Welding 2 Replacement Support Replaced Strap on Pipe Support CV1105HL5001 3/30/2017 1 17 007 1 Replacement Snubber Replaced Snubber Pipe Support Sl1308HL5001 3/24/2017 1 17 008 REPLACED DIAPHRAM ON UNIT 1 PRESSURIZER 1 Replacement Diaphragm 4/13/2017 1 17 011 MANWAY 1R111NPZ101ADIAPHRAGM/Welding Replaced damaged swing bolt and nut on MC Replacement Bolting 4/6/2017 1 17 013 EQU IPMENT HATCH 2 Replacement Valve Replaced Disc on 4" Valve CV0206 4/9/2017 1 17 015
- Repair Replacement Activities 1-14-025 and 1-17-015 were removed from Abstract table April 20, 2017.
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