NOC-AE-14003170, Inservice Inspection Summary Report - 1 RE18

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Inservice Inspection Summary Report - 1 RE18
ML14251A027
Person / Time
Site: South Texas STP Nuclear Operating Company icon.png
Issue date: 08/26/2014
From: Berg M
South Texas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NOC-AE-14003170, STI: 33919976
Download: ML14251A027 (34)


Text

Nuclear Operating Company South TeauasPronect Electric GeneratingStation PO. Box 289 Wadsworth. Texas 77483 -

August 26, 2014 NOC-AE-14003170 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 Inservice Inspection Summary Report - 1 RE18 Attached are four copies of the South Texas Project Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1 RE18 completed in June 2014. This summary report satisfies the reporting requirements of ASME Code Section Xl, 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) 972-7030.

Michael Berg Manager, Design Engineering Testing & Programs Engineering PO web

Attachment:

Summary Report for 1RE18 Inservice Inspection of Unit 1 South Texas Project Electric Generating Station (4 copies)

STI: 33919976

NOC-AE-14003170 Page 2 of 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV Steve Frantz, Esquire U. S. Nuclear Regulatory Commission Morgan, Lewis & Bockius LLP 1600 East Lamar Boulevard Arlington, TX 76011-4511 Balwant K. Singal U. S. Nuclear Regulatory Commission Balwant K. Singal John Ragan Senior Project Manager Chris O'Hara U.S. Nuclear Regulatory Commission Jim von Suskil One White Flint North (MS 8 B13) NRG South Texas LP 11555 Rockville Pike Rockville, MD 20852 Kevin Polio NRC Resident Inspector Cris Eugster U. S. Nuclear Regulatory Commission L.D. Blaylock P. 0. Box 289, Mail Code: MN1 16 CPS Energy Wadsworth, TX 77483 Peter Nemeth Crain Caton & James, P.C.

C. Mele John Wester City of Austin Richard A. Ratliff Robert Free Texas Department of State Health Services

NOC-AE- 14003170 Page 1 of 8

SUMMARY

REPORT For 1RE18 INSERVICE INSPECTION Of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY March 2014 4K~7

NOC-AE-14003170 Page 2 of 8 COVER SHEET 1RE18 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 Prepared by:_ Date 8109/2014 J.

Reviewed by: Date %/i*g/:o,.

B. Migl, Supe/rvisor, /Testing Programs

NOC-AE- 14003170 Page 3 of 8 SCOPE COMPONENT SUPPORTS, CONTAINMENT METAL LINER, REPAIRIREPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWE, IWF)

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.

CONTAINMENT METAL LINER (IWE)

The Containment Metal Liner examinations summarized in this report were performed in accordance with the 2004 Edition No Addenda of the ASME Code, Section Xl, which is applicable to the South Texas Project, Unit 1, second ten-year interval (09/09/2009-09/08/2019), second period (09/09/2013 -

09/08/2016). This report covers selected ASME Code Class CC liner & MC 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 IWE-2412 for ASME Code Class CC liner & MC Components. The Containment Metal Liner Components were examined in accordance with Table IWE-2500-1, Examination Categories.

NOC-AE-14003170 Page 4 of 8 FORM OAR-I OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Number OAR-IRE18 D I -. f Qý 11A, T 11. ý D Lý ;.,f 'M-+ ; ('ý ý+; Q+.f;-

ý I I- I I rý UnitNo. 1 Commercial service date August 25. 1988 Refueling outage no. IREI8 (If applicable)

Current inspection interval IWB, IWC, IWD, IWF - 3 r' 1WE - 2 nd (Is, 2na, 3 rd, 41I,other)

Current inspection period IWB, IWC, IWD IWF -2d IWE-2nd (I", 29",3"')

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan Revision 7 Effective date: 10/8/2012, Supplement I 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, N578-1, 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 IRE18 conform to the requirements of Section XI.

(Refue ng outage number)

Signed J ISI Proorarn Engineer Date: August 9, 2014 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 neitlher 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 any personal injury or property damage or a loss of any kind arising from the connected with this inspection.

It4 SIiispector's Signature / National B1oard, State, Province, and Endorsements Date U.

6W

NOC-AE-14003170 Page 5 of 8 TABLE I ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE IRE18 March 2014 Examination Item Item Category Number Description See Note #1 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.
2. Surveillance procedure OPSP1 1-RC-0015 Revision 17, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during 1RE18.

NOC-AE-14003170 Page 6 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Pipe Support Replaced EW U-Strap Pipe Support EW-1288-HL5007 8/29/13 01-12-52 3 Piping Replaced EW 2" dia. Piping Spool EW-1214-01-A 1/17/13 01-12-54 3 Pipe Support Replaced EW Pipe Support 1C ECW pump Seismic Support 1/25/13 01-12-55 3 Pump Replaced ECW Pump 1C TNPS 3R281NPA01C 1/25/13 01-12-56 3 Valve Replaced EW 2" Ball Valve TPNS3R281TEW0068 1/17/13 01-12-58 3 Piping Plug Replaced EW Piping Plug at 30" x 1-1/2" Sockolet 1/24/13 01-12-59 Line#30"EW1 302 WT3 3 Valve Replaced 8" Chiller 12B ECW Return Valve 3R281TEW1004 1/16/13 01-12-60 3 Valve Replaced 30" ECW Train 1C Discharge Check Valve 1/22/13 01-12-61 3R281TEW0079 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-62 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-63 2 Pipe Support Replaced broken Support Load Pin on component support 11/26/12 01-12-64 SI-1i105-RR0036 3 Pump Replaced all bolting hardware on Air Cooler on adapter plate 4/17/14 01-12-65 3 Bolting Replaced Adapter plate 1"-13 x-1 Y4" bolting and washers on 4/13/14 01-12-66 1D RCP Motor Air Cooler TPNS 2R131NPP103D 3 Bolting / Plug Replaced W"flange stud bolts and nuts and plugged one 1/26/13 01-12-67 evaporator tube of 3V1 11VCH006 (ESSENTIAL CHILLED WATER CHILLER 12C) 3 Strainer Replacement of ECW Strainer 1B bolting 1/17/13 01-13-02 3 Pipe Replaced 6" pipe section on line 2" EW-1214-B-A04 1/17/13 01-13-03 3 Valve Replaced hinge pins on 30" check valve internals 2/4/13 01-13-04 3 Pump Flange Replaced Flange Fastener Studs and Nuts on 11 B ECW 614/13 01-13-06 pump suction flange, Line Number 8"CH1214WA3 2 Valve Replaced 2" 1500# globe Valve MS-0545 and associated 3/26/14 01-13-07 piping 3 Pipe Flange Replaced Flange on line number 8"-EW-1185-A 2/05/14 01-13-09 3 Pipe Flange Replaced Flange on line number 4"-E-W-1130-F 2/05/14 01-13-10

NOC-AE-14003170 Page 7 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Fastener Replaced flange fastener cap screws downstream of valve 3/24/14 01-13-15 3R201TCC0358 3 Valve Replaced Valve Disc on MOV 2N121TS10011B 4104/14 01-13-17 1 Seal Replaced Seal Package on IC RCP TPNSIR131NPP101C 4/06/14 01-13-22 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-24 Valve TPNS NIRCPSV3450 I Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-25 Valve TPNS N1 RCPSV3452 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-26 Valve TPNS N1RCPSV3451 1 Valve Replaced 1" PRZ Spray Line Second Vent Isolation Valve 3/26/14 01-13-31 TPNS IR141TRC0163 1 Valve Replaced 1" PRZ Spray Line First Vent Isolation Valve TPNS 3/26/14 01-13-32 1R141TRC0103 1 Hanger Replaced /4" x 1"U Strap Hanger, Pipe Support RC1 003 3/26/14 01-13-33 HS5064 3 Valve Replaced 8" ECW Essential Chiller 12A Return Valve TPNS 1/07/14 01-13-34 3R281TEW1002 3 Flange/Bolting Replaced Blind Flange and 3/4" Fasteners on line 6"EW1416 2/04/14 01-13-35 2 Valve Replaced Valve Plug TPNS C1CVHCV0218 CVCS Seal 4/06/14 01-13-42 Water Injection Flow Control Valve 2 Pipe Replaced 18" 90' Elbow of Pipe spool on 18" FW-1029-AA2 4/14/2014 01-13-48 3 Valve Replaced 8" Essential Chiller 12C ECW Return Valve TPNS 1/11/2014 01-14-03 3R281TEW1006 2 Valve Replaced new valve disc on Terry Turbine Main Steam 5/06/2014 01-14-04 Supply ORC Isolation MOV TPNS 2S141TMS0143 1 Bolting Replaced RCP 1C Seal Housing bolting with 7/8" Inconel 4/04/2014 01-14-05 Studs and Nuts 3 Valve Replaced Ball & Seat Assy. 3R171TCV0121A 3/20/2014 01-14-06

NOC-AE-14003170 Page 8 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 7 7 7 Code Item Description Description of Work Date completed Repair/Replacement Class Plan Number 1 Manway Replaced welded diaphragm, install new studs, nuts and 3/31/2014 01-14-07 washers on pressurizer manway Pressurizer 1A TPNS 1RIINPZ101A 1 Snubber Replace mechanical Snubber RC 1000-SS-0001, Model AD 3/31/2014 01-14-08 151 S/N 458 1 Plug Replaced seal plug on #81 IDD top reactor head penetration 5/24/2014 01-14-09 2 Valve Replaced 3" Valve internal components on CVCS Charging 4/15/2014 01-14-10 I Discharge Header Flow Control Valve AlCVFCV0205 I

NOC-AE-14003170 Page 1 of 8

SUMMARY

REPORT For 1RE18 INSERVICE INSPECTION Of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY Marci 2014

NOC-AE- 14003170 Page 2 of 8 COVER SHEET 1RE18 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 Pre pared by: , Date 8109/2014 J. illiams, ISI Program Engineer Reviewed by: l,/ g Date_________

B. Migi, Su~efvisor, /Testing Programs

NOC-AE- 14003170 Page 3 of 8 SCOPE COMPONENT SUPPORTS, CONTAINMENT METAL LINER, REPAIRIREPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWE, IWF)

The examinations summarized in this report were performed in accordance with the 2004 Edition with no Addenda of the ASME Code, Section Xl 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.

CONTAINMENT METAL LINER (IWE)

The Containment Metal Liner examinations summarized in this report were performed in accordance with the 2004 Edition No Addenda of the ASME Code, Section Xl, which is applicable to the South Texas Project, Unit 1, second ten-year interval (09/09/2009-09/08/2019), second period (09/09/2013 -

09/08/2016). This report covers selected ASME Code Class CC liner & MC 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 IWE-2412 for ASME Code Class CC liner & MC Components. The Containment Metal Liner Components were examined in accordance with Table IWE-2500-1, Examination Categories.

NOC-AE-14003170 Page 4 of 8 FORM OAR- I OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Number OAR-I REI 8 Plan Vrr,,ft, T'vao Prniprt PIr'rtrh' floa,.rdi+,rr cuo~;nn 5

UnitNo. I Commercial service date August 25. [988 Refueling outage no. IRE18 (If applicable)

Current inspection interval IWB, IWC, IWD, IWF - 3 rd  ; IWE -2nd (10, 2 "d,3r, 4"', other)

Curt'ent inspection period IWB, IWC, IWD. IWF-2nd; (I'~v ,

TO3 d)

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan Revision 7 Effective date: 10/8/2012. Supplement I Effective date: 7/18/2013 SUtlernent 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, N578-1. 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 IRE18 conform to the requirements of Section XI.

(Refueling outage number) ("I" Signed Date: August 9, 2014 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 any personal injury or property damage or a loss of any kind arising from the connected with this inspection.

It4

/ fsctor's Signature National coard, State, Province, and Endorsements Date U r1l,/j

NOC-AE-14003170 Page 5 of 8 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE IRE18 March 2014 Examination Item Item Category Number Description See Note #1 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.
2. Surveillance procedure OPSPI 1-RC-0015 Revision 17, ASME Section Xl Inservice Inspection, documents Inservice Inspection activities during 1RE18.

NOC-AE-14003170 Page 6 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Pipe Support Replaced EW U-Strap Pipe Support EW-1288-HL5007 8/29/13 01-12-52 3 Piping Replaced EW 2" dia. Piping Spool EW-1214-01-A 1/17/13 01-12-54 3 Pipe Support Replaced EW Pipe Support IC ECW pump Seismic Support 1/25/13 01-12-55 3 Pump Replaced ECW Pump IC TNPS 3R281NPAI01C 1/25/13 01-12-56 3 Valve Replaced EW 2" Ball Valve TPNS3R281TEW0068 1/17/13 01-12-58 3 Piping Plug Replaced EW Piping Plug at 30" x 1-1/2" Sockolet 1/24/13 01-12-59 Line#30"EW1 302 WT3 3 Valve Replaced 8" Chiller 12B ECW Return Valve 3R281TEW1004 1/16/13 01-12-60 3 Valve Replaced 30" ECW Train IC Discharge Check Valve 1/22/13 01-12-61 3R281 TEW0079 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-62 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-63 2 Pipe Support Replaced broken Support Load Pin on component support 11/26/12 01-12-64 SI-1 105-RR0036 3 Pump Replaced all bolting hardware on Air Cooler on adapter plate 4/17/14 01-12-65 3 Bolting Replaced Adapter plate Y"-13 x-1 Y" bolting and washers on 4/13/14 01-12-66 1D RCP Motor Air Cooler TPNS 2R131 NPP103D 3 Bolting / Plug Replaced %" flange stud bolts and nuts and plugged one 1/26/13 01-12-67 evaporator tube of 3V1 1 1VCH006 (ESSENTIAL CHILLED WATER CHILLER 12C) 3 Strainer Replacement of ECW Strainer lB bolting 1/17/13 01-13-02 3 Pipe Replaced 6" pipe section on line 2" EW-1214-B-A04 1/17/13 01-13-03 3 Valve Replaced hinge pins on 30" check valve internals 2/4/13 01-13-04 3 Pump Flange Replaced Flange Fastener Studs and Nuts on 11B ECW 6/4/13 01-13-06 pump suction flange, Line Number 8"CH1214WA3 2 Valve Replaced 2" 1500# globe Valve MS-0545 and associated 3/26/14 01-13-07 piping 3 Pipe Flange Replaced Flange on line number 8"-EW-1185-A 2/05/14 01-13-09 3 Pipe Flange Replaced Flange on line number 4"-EW-1130-F 2/05/14 01-13-10

NOC-AE-14003170 Page 7 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Fastener Replaced flange fastener cap screws downstream of valve 3/24/14 01-13-15 3R201TCC0358 3 Valve Replaced Valve Disc on MOV 2N121TS10011B 4/04/14 01-13-17 1 Seal Replaced Seal Package on 1C RCP TPNS1R131NPP101C 4/06/14 01-13-22 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-24 Valve TPNS N1RCPSV3450 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-25 Valve TPNS N1 RCPSV3452 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-26 Valve TPNS N1RCPSV3451 1 Valve Replaced 1" PRZ Spray Line Second Vent Isolation Valve 3/26/14 01-13-31 TPNS IR141TRC0163 1 Valve Replaced 1" PRZ Spray Line First Vent Isolation Valve TPNS 3/26/14 01-13-32 1R141TRC0103 1 Hanger Replaced /4" x 1"U Strap Hanger, Pipe Support RC1 003 3/26/14 01-13-33 HS5064 3 Valve Replaced 8" ECW Essential Chiller 12A Return Valve TPNS 1/07/14 01-13-34 3R281TEW1002 3 Flange/Bolting Replaced Blind Flange and 3/4" Fasteners on line 6"EW1416 2/04/14 01-13-35 2 Valve Replaced Valve Plug TPNS C1CVHCV0218 CVCS Seal 4/06/14 01-13-42 Water Injection Flow Control Valve 2 Pipe Replaced 18" 900 Elbow of Pipe spool on 18" FW-1029-AA2 4/14/2014 01-13-48 3 Valve Replaced 8" Essential Chiller 12C ECW Return Valve TPNS 1/11/2014 01-14-03 3R281TEW1006 2 Valve Replaced new valve disc on Terry Turbine Main Steam 5/06/2014 01-14-04 Supply ORC Isolation MOV TPNS 2S141TMS0143 1 Bolting Replaced RCP IC Seal Housing bolting with 7/8" Inconel 4/04/2014 01-14-05 Studs and Nuts 3 Valve Replaced Ball & Seat Assy. 3R171TCV0121A 3/20/2014 01-14-06

NOC-AE-14003170 Page 8 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE1 8 March 2014 Code Item Description Description of Work Date completed Repair/Replacement Class Plan Number 1 Manway Replaced welded diaphragm, install new studs, nuts and 3/31/2014 01-14-07 washers on pressurizer manway Pressurizer 1A TPNS lRllNPZ101A 1 Snubber Replace mechanical Snubber RC 1000-SS-0001, Model AD 3/31/2014 01-14-08 151 S/N 458 1 'Plug Replaced seal plug on #81 IDD top reactor head penetration 5/24/2014 01-14-09 2 Valve Replaced 3" Valve internal components on CVCS Charging 4/15/2014 01-14-10

_ Discharge Header Flow Control Valve AlCVFCV0205

NOC-AE- 14003170 Page 1 of 8

SUMMARY

REPORT For 1RE18 INSERVICE INSPECTION Of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY March 2014

NOC-AE- 14003170 Page 2 of 8 COVER SHEET IRE18 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 Prepared by: , a ge Date 8/09/2014 J. ýIliams, ISI Program Engineer Reviewed by: Date ___/__l__

B. Migi,Sugevsor, /Testing Programs

NOC-AE- 14003170 Page 3 of 8 SCOPE COMPONENT SUPPORTS, CONTAINMENT METAL LINER, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWE, IWF)

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.

CONTAINMENT METAL LINER (IWE)

The Containment Metal Liner examinations summarized in this report were performed in accordance with the 2004 Edition No Addenda of the ASME Code,Section XI, which is applicable to the South Texas Project, Unit 1, second ten-year interval (09/09/2009-09/08/2019), second period (09/09/2013 -

09/08/2016). This report covers selected ASME Code Class CC liner & MC 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 IWE-2412 for ASME Code Class CC liner & MC Components. The Containment Metal Liner Components were examined in accordance with Table IWE-2500-1, Examination Categories.

NOC-AE- 14003170 Page 4 of 8 FORM OAR- I OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Reoort Number OAR-IRE18 Plant 0 OA- ER S -ACTVITY fREPORT 4de rCs -532-4)

Out I xas lolec ec I cnera ng a on UnitNo. I Commercial service date August 25. 1988 Refueling outage no. IRE18 (If applicable)

Current inspection interval IWB. IWC. IWD. IWF - 3"d'[WE - 2nd (I M,2"~, 3 rd, 4"', other)

. IWV 9 i,)d Current inspection period 1WB I I I TWfl twp -,)nd C.f (Pt, 2 1,3rd)

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan Revision 7 Effective date: 10/8/2012, Supplement 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, N578-1, 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 ASMIE Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of IRE 18 conform to the requirements of Section XI.

(Refue ing outage number) y Signed ,, ISI Propram Engineer Date: August 9, 2014 Owner or Owner's Designee, Title)

CERTIFICATE OF INSERVICE INSPECTION 1,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 any personal njury or property damage or a loss of any kind arising from the connected with this inspection.

/ Ilisrector's Signature /"National B3oard, State, Province, and Endorsements Date A

NOC-AE- 14003170 Page 5 of 8 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE IRE18 March 2014 Examination Item Item Category Number Description See Note #1 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.
2. Surveillance procedure OPSPll-RC-0015 Revision 17, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during 1RE18.

NOC-AE-14003170 Page 6 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Pipe Support Replaced EW U-Strap Pipe Support EW-1288-HL5007 8/29/13 01-12-52 3 Piping Replaced EW 2" dia. Piping Spool EW-1214-01-A 1/17/13 01-12-54 3 Pipe Support Replaced EW Pipe Support 1C ECW pump Seismic Support 1/25/13 01-12-55 3 Pump Replaced ECW Pump 1C TNPS 3R281NPA101C 1125/13 01-12-56 3 Valve Replaced EW 2" Ball Valve TPNS3R281TEW0068 1/17/13 01-12-58 3 Piping Plug Replaced EW Piping Plug at 30" x 1-1/2" Sockolet 1/24/13 01-12-59 Line#30"EW1 302 WT3 3 Valve Replaced 8 Chiller 12B ECW Return Valve 3R281TEW1004 1/16/13 01-12-60 3 Valve Replaced 30" ECW Train 1C Discharge Check Valve 1/22/13 01-12-61 3R281TEW0079 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-62 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-63 2 Pipe Support Replaced broken Support Load Pin on component support 11/26/12 01-12-64 SI-1l105-RR0036 3 Pump Replaced all bolting hardware on Air Cooler on adapter plate 4/17/14 01-12-65 3 Bolting Replaced Adapter plate 1"-13 x-1 /" bolting and washers On 4/13/14 01-12-66 1D RCP Motor Air Cooler TPNS 2R131 NPP103D 3 Bolting / Plug Replaced W"flange stud bolts and nuts and plugged one 1126/13 01-12-67 evaporator tube of 3V1 1 1VCH006 (ESSENTIAL CHILLED WATER CHILLER 12C) 3 Strainer Replacement of ECW Strainer lB bolting 1/17/13 01-13-02 3 Pipe Replaced 6" pipe section on line 2" EW-1214-B-A04 1/17/13 01-13-03 3 Valve Replaced hinge pins on 30" check valve internals 2/4/13 01-13-04 3 Pump Flange Replaced Flange Fastener Studs and Nuts on 11B ECW 6/4/13 01-13-06 pump suction flange, Line Number 8"CH1214WA3 2 Valve Replaced 2" 1500# globe Valve MS-0545 and associated 3/26/14 01-13-07 3 + FR c a n n1-5piping 3 Pipe Flange Replaced Flange on line number 8"-EW-1185-A 2/05/14 01-13-09 3 Pipe Flange Replaced Flange on line number 4"-EVV-1130-F 2/05/14 01-13-10 oil

/W

NOC-AE-14003170 Page 7 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Fastener Replaced flange fastener cap screws downstream of valve 3/24/14 01-13"15 3R201TCC0358 3 Valve Replaced Valve Disc on MOV 2N121TS10011B 4/04/14 01-13-17 1 Seal Replaced Seal Package on 1C RCP TPNS1R131NPP101C 4/06/14 01-13-22 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-24 Valve TPNS N1RCPSV3450 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4106/14 01-13-25 Valve TPNS N1RCPSV3452 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-26 Valve TPNS N 1RCPSV3451 1 Valve Replaced 1" PRZ Spray Line Second Vent Isolation Valve 3/26/14 01-13-31 TPNS 1R141TRC0163 1 Valve Replaced 1" PRZ Spray Line First Vent Isolation Valve TPNS 3/26/14 01-13-32 1R141TRC0103 1 Hanger Replaced 1/4" x 1"U Strap Hanger, Pipe Support RC1 003 3/26/14 01-13-33 HS5064 3 Valve Replaced 8" ECW Essential Chiller 12A Return Valve TPNS 1/07/14 01-13-34 3R281TEW1 002 3 Flange/Bolting Replaced Blind Flange and /4" Fasteners on line 6"EW1416 2/04/14 01-13-35 2 Valve Replaced Valve Plug TPNS C1CVHCV0218 CVCS Seal 4/06/14 01-13-42 Water Injection Flow Control Valve 2 Pipe Replaced 18" 90" Elbow of Pipe spool on 18" FW-1029-AA2 4/14/2014 01-13-48 3 Valve Replaced 8" Essential Chiller 12C ECW Return Valve TPNS 1/11/2014 01-14-03 3R281TEW1006 2 Valve Replaced new valve disc on Terry Turbine Main Steam 5/06/2014 01-14-04 Supply ORC Isolation MOV TPNS 2S141TMS0143 1 Bolting Replaced RCP 1C Seal Housing bolting with 7/8" Inconel 4/04/2014 01-14-05 Studs and Nuts 3 Valve Replaced Ball & Seat Assy. 3R171TCV0121A 3/2012014 01-14-06

NOC-AE-14003170 Page 8 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Item Description Description of Work Date completed Repair/Replacement Class Plan Number 1 Manway Replaced welded diaphragm, install new studs, nuts and 3/31/2014 01-14-07 washers on pressurizer manway Pressurizer 1A TPNS lRllNPZ101A 1 Snubber Replace mechanical Snubber RC 1000-SS-0001, Model AD 3/31/2014 01-14-08 151 S/N 458 1 Plug Replaced seal plug on #81 IDD top reactor head penetration 5/24/2014 01-14-09 2 Valve Replaced 3" Valve internal components on CVCS Charging 4/15/2014 01-14-10 Discharge Header Flow Control Valve A1CVFCV0205 11ý610;

NOC-AE-14003170 Page 1 of8

SUMMARY

REPORT For 1RE18 INSERVICE INSPECTION Of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY March 2014

NOC-AE- 14003170 Page 2 of 8 COVER SHEET 1RE18 INSERVICE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT I P.O. BOX 289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 Prepared by: XýZ - Date 8109/2014 Reviewed by: Date_________

B. MigSuerisor, /Testing Programs

NOC-AE- 14003170 Page 3 of 8 SCOPE COMPONENT SUPPORTS, CONTAINMENT METAL LINER, REPAIRIREPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWE, IWF)

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 (0912512013-09124/2017). 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.

CONTAINMENT METAL LINER (IWE)

The Containment Metal Liner examinations summarized in this report were performed in accordance with the 2004 Edition No Addenda of the ASME Code, Section Xl, which is applicable to the South Texas Project, Unit 1, second ten-year interval (0910912009-09108/2019), second period (09/09/2013 -

09/08/2016). This report covers selected ASME Code Class CC liner & MC 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 IWE-2412 for ASME Code Class CC liner & MC Components. The Containment Metal Liner Components were examined in accordance with Table IWE-2500-1, Examination Categories.

NOC-AE- 14003170 Page 4 of 8 FORM OAR- I OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Number OAR-I REI 8

~D14 Q OAR-IRtE18  : - crier _; ng Cý+a on

.1 - ou as role, -

UnitNo. I Commercial service date August 25. 1988 Refueling outage no. 1REI8 (If applicable)

Current inspection interval IWB, IWC, JWD, IWF - 3 rYd; IWE -2 nd (1s,2nd, 3rd, 40, otlier)

Current inspection period TWT1 PWVTC IWF--9.nd IWVf IWV-nd (1 ', 2 "fl,3r)

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan Revision 7 Effective date: 10/8/2012, Supplement I Effective date: 7/18/2013 Supolement 2 Effective date: 4/2/20.14 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan N/A Code Cases used: N-4_60 N-532-4, N578-1, 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 IREI8 conform to the requirements of Section XI.

(Refue ng outage number)

Signed ISI Proaram Engineer Date: August 9, 2014 NOwner or Owner's Designee, Title)

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 any personail injury or property damage or a loss of any kind arising fromn the connected with this inspection.

le

/ Iiisprctor's Signature I National Board, State, Province, and Endorsements Date AUc /

NOC-AE- 14003170 Page 5 of 8 TABLE I ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE18 March 2014 Examination Item Item Category Number Description See Note #1 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.
2. Surveillance procedure OPSP1l-RC-0015 Revision 17, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during 1RE18.

NOC-AE-14003170 Page 6 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Pipe Support Replaced EW U-Strap Pipe Support EW-1288-HL5007 8/29/13 01-12-52 3 Piping Replaced EW 2" dia. Piping Spool EW-1214-01-A 1/17/13 01-12-54 3 Pipe Support Replaced EW Pipe Support 1C ECW pump Seismic Support 1/25/13 01-12-55 3 Pump Replaced ECW Pump 1C TNPS 3R281NPA101C 1/25/13 01-12-56 3 Valve Replaced EW 2" Ball Valve TPNS3R281TEW0068 1/17/13 01-12-58 3 Piping Plug Replaced EW Piping Plug at 30" x 1-1/2" Sockolet 1/24/13 01-12-59 Line#30"EW1 302 WT3 3 Valve Replaced 8" Chiller 12B ECW Return Valve 3R281TEW1004 1/16/13 01-12-60 3 Valve Replaced 30" ECW Train 1C Discharge Check Valve 1/22/13 01-12-61 3R281TEW0079 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-62 3 Valve Replaced EW Valve & Bolting 1/23/13 01-12-63 2 Pipe Support Replaced broken Support Load Pin on component support 11/26/12 01-12-64 SI-1l105-RR0036 3 Pump Replaced all bolting hardware on Air Cooler on adapter plate 4/17/14 01-12-65 3 Bolting Replaced Adapter plate %"-13 x-1 Y4" bolting and washers on 4/13/14 01-12-66 1D RCP Motor Air Cooler TPNS 2R131NPP103D 3 Bolting / Plug Replaced W"flange stud bolts and nuts and plugged one 1/26/13 .01-12-67 evaporator tube of 3V1 11VCH006 (ESSENTIAL CHILLED WATER CHILLER 12C) 3 Strainer Replacement of ECW Strainer 1B bolting 1/17/13 01-13-02 3 Pipe Replaced 6" pipe section on line 2" EW-1214-B-A04 1/17/13 01-13-03 3 Valve Replaced hinge pins on 30" check valve internals 2/4/13 01-13-04 3 Pump Flange Replaced Flange Fastener Studs and Nuts on 11B ECW 6/4/13 01-13-06 pump suction flange, Line Number 8"CH1214WA3 2 Valve Replaced 2" 1500# globe Valve MS-0545 and associated 3126/14 01-13-07 piping 3 Pipe Flange Replaced Flange on line number 8"-EW-1185-A 2/05/14 01-13-09 3 Pipe Flange Replaced Flange on line number 4"-EW-1130-F 2/05/14 01-13-10

NOC-AE- 14003170 Page 7 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Repair/Replacement Class Item Description Description of Work Date completed Plan Number 3 Fastener Replaced flange fastener cap screws downstream of valve 3/24/14 01-13-15 3R201TCC0358 3 Valve Replaced Valve Disc on MOV 2N121TS10011B 4/04/14 01-13-17 1 Seal Replaced Seal Package on 1C RCP TPNS1R131NPP101C 4/06/14 01-13-22 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-24 Valve TPNS N1RCPSV3450 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4106/14 01-13-25 Valve TPNS NI RCPSV3452 1 Valve Replaced with refurbished spare, 6" Pressureizer Safety 4/06/14 01-13-26 Valve TPNS N1RCPSV3451 1 Valve Replaced 1" PRZ Spray Line Second Vent Isolation Valve 3/26/14 01-13-31 TPNS 1R141TRC0163 1 Valve Replaced 1" PRZ Spray Line First Vent Isolation Valve TPNS 3/26/14 01-13-32 1R141TRC0103 1 Hanger Replaced Y/," x 1"U Strap Hanger, Pipe Support RC1003 3/26/14 01-13-33 HS5064 3 Valve Replaced 8" ECW Essential Chiller 12A Return Valve TPNS 1/07/14 01-13-34 3R281TEW1002 3 Flange/Bolting Replaced Blind Flange and %"Fasteners on line 6"EW1416 2/04/14 01-13-35 2 Valve Replaced Valve Plug TPNS C1CVHCV0218 CVCS Seal 4/06/14 01-13-42 Water Injection Flow Control Valve 2 Pipe Replaced 18" 90' Elbow of Pipe spool on 18" FW-1029-AA2 4/14/2014 01-13-48 3 Valve Replaced 8" Essential Chiller 12C ECW Return Valve TPNS 1/11/2014 01-14-03 3R281TEW1006 2 Valve Replaced new valve disc on Terry Turbine Main Steam 5/06/2014 01-14-04 Supply ORC Isolation MOV TPNS 2S141TMS0143 1 Bolting Replaced RCP IC Seal Housing bolting with 7/8" Inconel 4/04/2014 01-14-05 Studs and Nuts 3 Valve. Replaced Ball & Seat Assy. 3R171TCV0121A 3/20/2014 01-14-06

NOC-AE-14003170 Page 8 of 8 TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE18 March 2014 Code Item Description Description of Work Date completed Repair/Replacement Class Plan Number 1 Manway Replaced welded diaphragm, install new studs, nuts and 3/31/2014 01-14-07 washers on pressurizer manway Pressurizer IA TPNS 1RIINPZ101A 1 Snubber Replace mechanical Snubber RC 1000-SS-0001, Model AD 3/31/2014 01-14-08 151 SIN 458 1 Plug Replaced seal plug on #81 IDD top reactor head penetration 5/24/2014 01-14-09 2 Valve Replaced 3" Valve internal components on CVCS Charging 4/15/2014 01-14-10 Discharge Header Flow Control Valve A1CVFCV0205 4ýd