Text

Inservice Inspection Summary Report, 1RE19
	ML16099A389
Person / Time
Site:	South Texas
Issue date:	03/24/2016
From:	Berg M; South Texas
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	NOC-AE-16003355, STI: 34293148
	Download: ML16099A389 (34)
	v • d • e

South Texas Project E!ectr/c Generating StaUon P.O. Box 28JJ 1%dsworth, Texas 77483 March 24, 2016 NOC-AE-16003355 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 RE19 Attached .are four copies of the South Texas Project Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1RE19 completed in December 2015. 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 James Williams at (361) 972-7179 or me at (361) 972-7030.

~c~I~

Manager, Design Engineering Testing & Programs Engineering web

Attachment:

Summary Report For 1RE19 lnservice Inspection Of Unit 1 South Texas Project Electric Generating Station (4 copies)

STI: 34293148

NOC-AE-16003355 Page 2 of 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV Morgan. Lewis & Bockius LLP U.S. Nuclear Regulatory Commission Steve Frantz, Esquire 1600 East Lamar Boulevard Arlington, TX 76011-4511 U.S. Nuclear Regulatory Commission Lisa M. Regner Lisa M. Regner Senior Project Manager NRG South Texas LP U.S. Nuclear Regulatory Commission Chris O'Hara One White Flint North (08H04) Jim van Suskil 11555 Rockville Pike Skip Zahn Rockville, MD 20852 CPS Energy NRC Resident Inspector Kevin Pollo U. S. Nuclear Regulatory Commission Cris Eugster P. 0. Box 289, Mail Code: MN116 L.D. Blaylock Wadsworth, TX 77483 Crain Caton & James, P.C;--

Peter Nemeth City of Austin Elaina Ball John Wester L'

Texas Dept. of State Health Services Richard A. Ratliff Robert Free

SUMMARY

REPORT For 1RE19 INSERVICE INSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION SOUTH TEXAS PRO.JECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY 10/17/2015-12/25/2015

COVERSHEET 1RE19 INSERVICE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 Date '1..2 MJ\.K Il,o

SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, STEAM GENERATOR TUBING, AND WELD INSPECTION PROGRAMS (IWB, IWC, 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.

FORM OAR-1 OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Nunmber_ ___,;O~AR~-~l=RE=1=9_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Plant South Texas Project Electric Generating Station Unit No . _________Commercial service date August 25, 1988 Refueling outage no. ---'l~RE=l~9'-------

(If applicable)

Current inspection interval IWB IWC IWD IWF - 3rd ; ~IW~E_,-=2....,nd~-----------

(1 ", 2*d, 3rd, 4111 , other)

Current inspection period IWB, !WC, IWD, IWF -2nd; IWE-2nd - - - - , . , . - , - , . . , - - ; - - - - - - - - - - - -

(! ", znd, 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: l 0/8/2012, Supplement 1 Effective date: 711812013 Supplement 2 Effective date: 4/2/2014 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan NI 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 th ASME Code, tion

and (c) the repair/replacement activities and evaluations supporting the completion of 1 9 fo t the quirements of Section XL berJ Date: March 22, 2016 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 descnbed this report. Furthermore, neither the inspector nor his employer shall be liable in any manner for any personal injmy or property damage or a loss of any kind arising from the connected with this inspection.

z,Vr ~?~:-tio_g'J;_~-1-"'o-a~-d-,-St-~-~-,-pb_ro_v_in_c_e_~_n_d_E_n_d_o_rs-em-en_t_s Date

i,f!lfi"le Inspector's 1gnature.

c ~ ~ 'd-GfJ (p J ommissions_ _ _ _ _ _ _ _ _ __

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE19 FALL 2015 Examination Item Item Evaluation Description Cate~ory Number Description B-Q 816.20 CR 15-24440-Eddy current The indication could not be examination identified a possible definitively tied to wear from a volumetric indication in the steam loose part. As a result, tube generator 1d tube row 30 column 78 1D-R30C78 was plugged by (D-R30C78) at about 0.2 to 0.3 work order 512677, WAN inches above the hot leg tubesheet. 506226. Tube was plugged per ASME Section XI traveler 01-15-43 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.

2. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI lnservice Inspection, documents lnservice Inspection activities during 1RE19.

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Description Description ofWork completed Plan Number 3 REPLACEMENT Valve REPLACED CHILLER 12B OUTLET THROTTLE VALVE (CH-VLV-0598) 10/21/2014 1 12 053 3 REPLACEMENT SEAL REPLACED MECH SEALS/GLANDS AND BEARINGS. I I/06/20I4 I 13 046 MECHANICAL REPLACE MECHANICAL SEALS ON SPENT FUEL POOL COOLING PUMP 3 REPLACEMENT SEAL IA (3R2I INPAIOIA) 9/26/2014 1 13 047 REPLACED2IN. ECWPIPING AND SPOOLEW-13I4-A-A05 ON LINE 3 REPLACEMENT PIPING 2"EW-1314-WT3 6/I4/2014 1 14 OI2 REBUILT STRAINER, REPLACED BASKET ASSY AND BACKWASH ARM 3 REPLACEMENT STRAINER ASSY. OF ECW SELF CLEANING STRAINER IC 3R281NSPIOIC 6/13/20I4 1 I4 015 REPLACED ESSENTIAL CHILLER I2B ECW RETURN VALVE 3 REPLACEMENT VALVE 3R28ITEWI004 I0/21/20I4 1 14 020 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING lEWSYSTEM 9/I 7/2014 I 14 021 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING lEWSYSTEM 9/I7/20I4 I I4 022 REPLACE EXISTING STUD BOLTS AND NUTS ATVALVE CC-0014 WITH 3 REPLACEMENT VALVE CAP CAP SCREWS 12/9/20I4 I 14 023 3 REPLACEMENT SEAL REPLACED SEAL ON PUMP LUBE OIL CIRC PUMP 3QI5IMPU0234 I0/24/20I4 I I4 024 REPLACED DIESEL GENERATOR# I I ECW SUPPLY VALVE 3 REPLACEMENT VALVE 3R281TEWOOI6 3/9/2015 I I4 027 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING lEWSYSTEM 3/9/2015 I I5 002 2 REPLACEMENT PIPING REPLACED SECTION OF 18" DIA. PIPE IN "C" TRAIN IVC 1117/2015 I I5 004 I REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IC (1Rl31NPPIOIC) 11/16/2015 I 15 005 I REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IB(IR13 INPPIOIB) 11/6/2015 1 15 006 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT 1 REPLACEMENT VALVE VALVE (NIRCPSV3450) I I/7/20I5 1 I5 OII REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (NIRCPSV3451) 1117/2015 I I5 012 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (NlRCPSV3452) 1117/2015 1 15 013 MECHANICAL REPLACED MM SUPPORT PACKAGE (REACTOR COOLANT PUMP III/3 REPLACEMENT SUPPORT MOTOR NO 4 2Rl3 INPPI03D) l l/2/20I5 I 15 014 INSTALLED NEW 3" DIA. ASME CL. 2 FLEX PIPING AND NEW ISOLATION VALVE [2-CS-0060] VIA TIE-IN TO EXISTING LINE NO.

2 REPLACEMENT PIPING/FLEX MOD1 12"SI-I201-UB2. ll/I0/2015 I I5 OI7 INSTALLED NEW ASME CL. 2 PIPING; LINE NO. 3"SI-1201-UB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2N12I TSI0210B /NEW FLEX 2 REPLACEMENT PIPING/FLEX MOD PUMP SUCTION LINE 11/10/20I5 1 I5 OI8

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Description Description of Work completed Plan Number INSTALLED NEW ASME CL. 2 PIPING; LINE NO. 3"SI-1206-DB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2Nl22TSI0211B AND NEW 3" -

600# SPECTACLE INSERT BLIND TO SERVE AS NEW FLEX PUMP# 16 2 REPLACEMENT PIPING/FLEX MOD DISCHARGE LINE IAW DCP 12-11658-74; REF: DCN 1401194. 11/1012015 I 15 019 REPLACEMENT REPLACEDHEADVENTISOLATIONVALVE l-HV-3657A WITH l VALVE UPGRADED BOLTED BONNET VALVE AlRCHV3657A 111112015 l 15 021 1 REPLACEMENT VALVE REPLACED HEAD VENT ISOLATION VALVE l-HV-3658A AlRCHV3658A 111112015 1 15 022 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE l-HV-3658B WITH 1 VALVE UPGRADED BOLTED BONNET VALVE B 1RCHV3658B 111112015 1 15 023 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE l-HV-3657B WITH 1 VALVE UPGRADED BOLTED BONNET VALVE BlRCHV3657B 111112015 1 15 024 REPLACEMENT INTALLED NEW PIPING; LINE NO: 3"SI-1101-UB2 VIA WELDOLET TIE-IN TO EXISTING 12"SI-l 101-UB2 PER DCN 1401193 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 SUCTION LINE 1111012015 1 15 025 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"SI-l 106-DB2 VIA WELDOLET TIE-IN TO EXISTING 6"SI-1106-DB2 PER DCN 1401194 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 DISCHARGE LINE 1111012015 1 15 026 REPLACEMENT REPLACED RCP lB SEAL HOUSING BOLTS WITH INCONEL STUDS AND 1 BOLTING NUTS (REACTOR COOLANT PUMP lB lR131NPP10lB) 11/312015 1 15 027 REPLACEMENT INSTALLED NEW FLEX PIPING; LINE NO. 3"AF-1077-WB3 WITH NEW ISOLATION VALVE l-AF-0100 TO SERVE AS NEW FLEX PUMP #11 3 PIPING/FLEX MOD SUCTION LINE 11/1012015 1 15 029 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"AF-1047-GA3 WITH NEW ISOLATION VALVE l-AF-0104 TO SERVE AS NEW FLEXPUMP#ll 3 PIPING/FLEX MOD DISCHARGE LINE. 11/1112015 1 15 030 REPLACEMENT REPLACED COMPONENT EW-1407-02P, SPOOL PIECE EW-1407-Al-A03.

PIPE SECTION IS APROXIMATELY 2-FT IN LENGTH AND LOCATED 3 PIPING DOWN STREAM OF ECW PUMP lB (3R281NPA101B) 7/112015 1 15 031 REPLACEMENT INSTALLED NEW PIPING; 3"AF-1077-WB3 WITH NEW 3" ISOLATION 3 PIPING/FLEX MOD VALVE l-AF-0100 TO SERVE AS NEW FLEX PUMP #12 SUCTION LINE 11/1012015 1 15 032 REPLACEMENT INSTALLED NEW PIPING: 3"AF-1014-GA3 WITH NEW ISOLATION 3 PIPING/FLEX MOD VALVE l-AF-0101 TO SERVE AS NEW FLEX PUMP #12 DISCHARGE LINE 11/1112015 1 15 033 1 REPLACEMENT BOLTING REPLACED DAMAGED PRIMARY MANWAY FASTENERS 111912015 1 15 039 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING 1RE19 EDDY CURRENT TESTING 11/912015 1 15 041 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING 1RE19 EDDY CURRENT TESTING 11/1012015 1 15 043 2 REPLACEMENT SNUBBER REPLACED HYDRAULIC SNUBBER 11/11/2015 1 15 045 1 REPAIR HATCH REINSTALLED HATCH TO SECODARY MOISTURE SEPARATOR ASSY 111812015 1 15 047 REPLACEMENT REPLACED MECHANICAL SNUBBER SIN 446, MODEL AD151, HANGER l(NF) SNUBBER RCIOOOSSOOOl 11/7/2015 1 15 053

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Descriution Descriution ofWork completed Plan Number 2 REPLACEMENT SEAL CAP REPLACED SEAL CAP . 12/18/2015 1 15 064 SEAL WELDED PIPE CAP ON LOOP IA PRIMARYSAMPLE VALVE 2 REPAIR VALVE (2RI 41 TRC0056) 12/18/2015 I 15 065

Repair Replacement Activities 1-13-027 and 1-15-052 were removed from Abstract table March. 24, 2016.

SUMMARY

REPORT For 1RE19 INSERVICEINSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION

*- * '.f-SOUTH TEXAS PRO,JECT ELECTRIC GENERA.Tlt,JG STATION STP NUCLEAR OPERATING COMPANY 10/1712015-12/25/2015

COVERSHEET 1RE19 iNSERVlCE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 Prepared~~ .

~J. Williams, ISi Program Engineer Date '?..?. Mlt'R i ~

Reviewed by: ' ~* D~.~t~

B. Migl ~upervisor, /Testing Programs* 1 1

~. '

SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, STEAM GENERATOR TUBING, AND WELD INSPECTION PROGRAMS (IWB, IWC, 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.

FORi\!1 OAR-1 OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Plant South Texas Project Electric Generatirnr Station Unit No. 1 Commercial service date Aug:ust 25, 1988 Refueling outage no. --=lRE~~l9~-----

(If applicable)

Current inspection interval IWB IWC, IWD IWF - yd ; ~IW~E~-~2_, 0ct_ _ _ _ _ _ _ _ _ _ _ __

(l", 2'd, 3rd, 4'11, other)

Current inspection period !WE. IWC, IWD. IWF -2nd; IWE-2°d - - - - - - - - - - - - - - - - - -

(!st, 2"tl, 3ru)

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: 7/1812013 Supplement 2 Effei:tive 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 th ASME Code, tion . and (c) the repair/replacement activities and evaluations supporting the completion of 1 9 fo t the quirements of Section XL berJ Date: March 22, 2016 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 perfonned 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 Furthennore, 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.

V}

~1r~':tJ.~C:,~~~~:::::::::::::::::---eionlllillliiiii~-s~si~o~ns ~,

_____,.~,/-

.. g *. -5S- t li~r---~~~----------------

~d;r;~ NatiOnal ~State, Province, and Endorsements Date <~!4/~GfJ(p

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE19 FALL 2015 Examination Item Item Evaluation Description Cateqory Number Description 8-Q 816.. 20 CR 15-24440-Eddy current The indication could not be examination identified a possible definitively tied to wear from a volumetric indication in the steam loose part. As a result, tube generator 1d tube row 30 column 78 1D-R30C78 was plugged by (D-R30C78) at about 0.2 to 0.3 work order 512677, WAN inches above the hot leg tubesheet. 506226. Tube was plugged per ASME Section XI traveler 01-15-43 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.

2. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI lnservice Inspection, documents lnservice Inspection activities during 1RE19.

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Rcpair/Rcplaccmcnt Code Class CORRECTIVE MEASURE Item Description Description of Work completed Plan Number 3 REPLACEMENT Valve REPLACED CHILLER 12B OUTLET THROTTLE VALVE (CH-VLV-0598) 10/21/2014 I 12 053 3 REPLACEMENT SEAL REPLACED MECH SEALS/GLANDS AND BEARINGS. 11/06/2014 I 13 046 MECHANICAL REPLACE MECHANICAL SEALS ON SPENT FUEL POOL COOLING PUMP 3 REPLACEMENT SEAL IA (3R21 INPAIOIA) 9/26/2014 I 13 047 REPLACED 2 IN. ECW PIPING AND SPOOL EW-1314-A-A05 ON LINE 3 REPLACEMENT PIPING 2 "EW-1314-WT3 6/14/2014 I 14 012 REBUILT STRAINER, REPLACED BASKET ASSY AND BACKWASH ARM 3 REPLACEMENT STRAINER ASSY. OF ECW SELF CLEANING STRAINER IC 3R28INSPIOIC 6/13/20I4 I 14 015 REPLACED ESSENTIAL CHILLER I2B ECW RETURN VALVE 3 REPLACEMENT VALVE 3R28ITEW1004 10/21/2014 I 14 020 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING IEWSYSTEM 9/17/2014 l 14 021 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING I EWSYSTEM 9/17/2014 I 14 022 REPLACE EXISTING STUD BOLTS AND NUTS AT VALVE CC-0014 WITH 3 REPLACEMENT VALVE CAP CAP SCREWS 12/9/2014 1 14 023 3 REPLACEMENT SEAL REPLACED SEAL* ON PUMP LUBE OIL CJRC PUMP 3Ql51MPU0234 10/24/2014 I 14 024 REPLACED DIESEL GENERATOR# 11 ECW SUPPLY VALVE 3 REPLACEMENT VALVE 3R281TEW0016 3/9/2015 1 14 027 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING 1EWSYSTEM 3/9/2015 I 15 002 2 REPLACEMENT PIPING REPLACED SECTION OF IS" DIA. PIPE IN "C" TRAIN IVC l I/7/2015 I 15 004 I REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IC (1Rl3INPPIOIC) 11/16/2015 I 15 005 I REPLACEMENT PUMP SEAL REPLACED SEAL*ON REACTOR COOLANT PUMP JB(IRl31NPPIOIB) 11/6/2015 I 15 006 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (NIRCPSV3450) I l/7/2015 I 15 011 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUlLT I REPLACEMENT VALVE VALVE (NIRCPSV3451) 11/7/2015 1 15 012 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT 1 REPLACEMENT VALVE VALVE (NIRCPSV3452) 1117/2015 I 15 013 MECHANICAL REPLACED MM SUPPORT PACKAGE (REACTOR COOLANT PUMP JII/3 REPLACEMENT SUPPORT MOTOR NO 4 2Rl31NPP103D) 11/2/2015 1 15 014 INSTALLED NEW 3" DIA. ASME CL. 2 FLEX PIPING AND NEW ISOLATION VALVE [2-CS-0060] VIA TIE-IN TO EXISTING LINE NO.

2 REPLACEMENT PIPING/FLEX MOD I2"SI-1201-UB2. 11/10/2015 I 15 017 INSTALLED NEWASME CL. 2 PIPING; LINE NO. 3"SI-I201-UB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2NI21TSI02IOB /NEW FLEX 2 REPLACEMENT PIPING/FLEX MOD PUMP SUCTION LINE 11/10/2015 1 15 OI8

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Description Description of Work completed Plan Number INSTALLED NEW ASME CL. 2 PIPING; LINE NO. 3"SI-1206-DB2 ALONG WITHNEW3" ISOLATION VALVE; TPNS 2N122TSI0211B AND NEW 3" -

600# SPECTACLE INSERT BLIND TO SERVE AS NEW FLEX PUMP #16 2 REPLACEMENT PIPING/FLEX MOD DISCHARGE LINE !AW DCP I2-11658-74; REF: DCN 1401194. 11110/2015 1 JS 019 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657A WITH I VALVE UPGRADED BOLTED BONNET VALVE Al RCHV3657 A 111112015 I 15 021 I REPLACEMENT VALVE REPLACED HEAD VENT ISOLATION VALVE l-HV-3658A AIRCHV3658A 11/112015 1 15 022 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE l"l-fV-3658B WITH I VALVE UPGRADED BOLTED BONNET VALVE BlRCHV3658B 11/1/2015 I 15 023 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657B WITH I VALVE UPGRADED BOLTED BONNET VALVE BIRCHV3657B 11/112015 I 15 024 REPLACEMENT INTALLED NEW PIPING; LINE NO. 3"Sl-1 !Ol-UB2 VIA WELDOLET TIE-IN TO EXISTING 12"Sl-1101-UB2 PER DCN 1401193 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 SUCTION LINE 11110/2015 I 15 025 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"SI-l 106-DB2 VIA WELDOLET TIE-IN TO EXISTING 6"SI-l 106-DB2 PER DCN 1401194 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 DISCHARGE LINE 11110/2015 I 15 026' REPLACEMENT REPLACED RCP 1B SEAL HOUSING BOLTS WITH INCONEL STUDS AND I BOLTING NUTS (REACTOR COOLANT PUMP IB JR131NPPIOIB) 11/3/2015 1 15 027 REPLACEMENT INSTALLED NEW FLEX PIPING; LINE NO. 3"AF-1077-WB3 WITH NEW ISOLATION VALVE 1-AF-0100 TO SERVE AS NEW FLEX PUMP #II

! 3 PIPING/FLEX MOD SUCTION LINE I 1/10/2015 1 15 029 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"AF-1047-GA3 WITH NEW ISOLATION VALVE 1-AF-0104 TO SERVE AS NEW FLEX PUMP #11 3 PIPING/FLEX MOD DISCHARGE LINE. 11/1112015 1 15 030 REPLACEMENT REPLACED COMPONENT EW-1407-02P, SPOOL PIECE EW-1407-Al-A03.

PIPE SECTION IS APROXIMATEL Y 2-FT IN LENGTH AND LOCATED

3 PIPING DOWN STREAM OF ECW PUMP 1B (3R281NPA101B) 7/1/2015 I 15 03I REPLACEMENT INSTALLEDNEW'PIPING; 3"AF-1077-WB3 WITH NEW 3" ISOLATION 3 PIPING/FLEX MOD VALVE 1-AF-OIOOTO SERVE AS NEW FLEX PUMP #12 SUCTION LINE 11/10/2015 1 15 032 REPLACEMENT INSTALLED NEW PIPING: 3"AF-1014-GA3 WITH NEW ISOLATION l 3 PIPING/FLEX MOD VALVE 1-AF-0101 TO SERVE AS NEW FLEX PUMP #12 DISCHARGE LINE 11/11/2015 I 15 033

I REPLACEMENT BOLTING REPLACED DAMAGED PRIMARY MANWA Y FASTENERS 1119/2015 1 15 039 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING 1REl9 EDDY CURRENT TESTING 1119/2015 1 15 041 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES r PLUG IDENTIFIED DURING 1REJ9 EDDY CURRENT TESTING 11/10/2015 1 15 043 2 REPLACEMENT SNUBBER REPLACED HYDRAULIC SNUBBER l l/ll/2015 1 15 045 I, REPAIR HATCH REINSTALLED HATCH TO SECODARY MOISTURE SEPARATOR ASSY 11/8/2015 I 15 047 REPLACEMENT REPLACED MECHANICAL SNUBBER SIN 446, MODEL ADlSI, HANGER JINF) SNUBBER RCIOOOSSOOOl 11/7/2015 1 15 053

.~

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Descriotion Descriotion ofWork comnleted Plan Number 2 REPLACEMENT SEAL CAP REPLACED SEAL CAP 12/18/2015 I 15 064 SEAL WELDED PIPE CAP ON LOOP IA PRIMARY SAMPLE VALVE 2 REPAIR VALVE (2Rl41 TRC0056) 12/I 8/2015 I 15 065

Repair Replacement Activities 1-13-027 and 1-15-052 were removed from Abstract table March 24, 2016.

')I .:"'

SUMMARY

REPORT For 1RE19 INSERVICE INSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION SOUTH TEXAS PRO.JECT ELECTRIC GEt,IERATING STl*TION STP NUCLEAR OPERATING COMPANY 10/17/2015-12/25/2015

.~-. . *: ~,.

COVERSHEET 1RE19 INSERViCE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 * .. *'.

USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 Prepared~~ ~J. Williams, ISi Program Engineer Date 1 ..2 MWR i \o .

Reviewed by: ,/ ' . Date Jhi-/;1; B. Migl ~upervisor, /Testing Programs / 7

- - - '..::. :.*... ' * ~*"**r*, , .. -., ..,*:;- **,, -**

SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, STEAM GENERATOR TUBING, AND WELD INSPECTION PROGRAMS (IWB, IWC, 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.

. . ' ~ .

. *-~- :

FORM OAR-1 OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Plant South Texas Project Electric Generating Station Unit No._ _ _l _ _ _ _Cornmercial service date Aue-ust 25, 1988 Refueling outage no. --'"'lRE="-l"-9_ _ _ _ __

(If applicable)

Current inspection interval !WB, IWC IWD. IWF - 3rd . ~I\:-::IV=E~-:-'"-2-::nd_ _ _ _ _ _ _ _ _ _ _ __

(1 s, 2*d, 3'd, 4'\ other)

Current inspection period IWB. IWC, IWD, IWF -2*d; r\VE-znd -----~-,-----------

(! s, 2nd, 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 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 th ASME Code, .. t!on . and ( c) the repair/replacement activities and evaluations supporting the completion of l 9 fo t the quirements of Section XI.

berJ Date: March 22, 2016 CERTIFICATE OF INS ERVICE 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 descnbed 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.

t "V')-*

. Inspector's ignature. J ommissions_ _.,__~--'-r;t--+/---"~-b~b_ _ _ __

Nationa!Jfoard, State, Province, and Endorsements

'ft-, .~!Jft t/JII .

Date <~!0/~<fJ(b

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE19 FALL 2015 Examination Item Item Evaluation Description Cate~ory Number Description B-Q 816.20 CR 15-24440-Eddy current The indication could not be examination identified a possible definitively tied to wear from a volumetric indication in the steam loose part. As a result, tube generator 1d tube row 30 column 78 1D-R30C78 was plugged by (D-R30C78) at about 0.2 to 0.3 work order 512677, WAN inches above the hot leg tubesheet. 506226. Tube was *plugged per ASME Section XI traveler 01-15-43 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.

2. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI lnservice Inspection, documents lnservice Inspection activities during 1 RE19 .

.~ *~ .- .

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Descriotion Descriotion of Work completed Plan Number 3 REPLACEMENT Valve REPLACED CHILLER 12B OUTLET THROTTLE VALVE (CH-VLV-0598) I 0/21/2014 I 12 053 3 REPLACEMENT SEAL REPLACED MECH SEALS/GLANDS AND BEARINGS. 11/06/2014 I 13 046 MECHANICAL REPLACE MECHANICAL SEALS ON SPENT FUEL POOL COOLING PUMP 3 REPLACEMENT SEAL IA (3R2 l INPAI 0 IA) 9/26/2014 I 13 047 REPLACED 2 IN. ECW PIPING AND SPOOL EW-1314-A-A05 ON LINE 3 REPLACEMENT PIPING 2"EW-1314-WT3 6/14/2014 I 14 012 REBUILT STRAINER, REPLACED BASKET ASSY AND BACKWASH ARM 3 REPLACEMENT STRAINER ASSY. OF ECW SELF CLEANING STRAINER IC 3R281NSPIOIC 6/13/2014 I 14 015 REPLACED ESSENTIAL CHILLER 12B ECW RETURN VALVE 3 REPLACEMENT VALVE 3R281TEW1004 10/2112014 I 14 020 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING IEWSYSTEM 9/17/2014 I 14 021 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING IEWSYSTEM 9/17/2014 I 14 022 REPLACE EXISTING STUD BOLTS AND NUTS AT VALVE CC-0014 WITH 3 REPLACEMENT VALVE CAP CAP SCREWS 12/9/2014 I 14 023 3 REPLACEMENT SEAL REPLACED SEAL ON PUMP LUBE OIL CIRC PUMP 30151MPU0234 10/24/2014 I 14 024 REPLACED DIESEL GENERATOR# 11 ECW SUPPLY VAL VE 3 REPLACEMENT VALVE 3R281TEWOOl6 3/9/2015 I 14 027 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING IEWSYSTEM 3/9/2015 I 15 002 2 REPLACEMENT PIPING REPLACED SECTION OF 18" DIA. PIPE IN "C" TRAIN IVC 1117/2015 I 15 004 I REPLACEMENT PUMP SEAL REPLACED SEAL.ON REACTOR COOLANT PUMP IC (IRl31NPPIOIC) 11/16/2015 I 15 005 I REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IB(1Rl31NPPIOIB) 11/6/2015 1 15 006 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT 1 REPLACEMENT VALVE VALVE (NIRCPSV3450) 1117/2015 I 15 011 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT 1 REPLACEMENT VALVE VALVE (NIRCPSV34SI) 1117/2015 I 15 012 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (NJRCPSV3452) 1117/2015 I 15 013 MECHANICAL REPLACED MM SUPPORT PACKAGE (REACTOR COOLANT PUMP III/3 REPLACEMENT SUPPORT MOTOR NO 4 2Rl31NPP103D) 1112/2015 1 15 014 INSTALLED NEW 3" DIA. ASME CL. 2 FLEX PIPING AND NEW ISOLATION VALVE [2-CS-0060] VIA TIE-IN TO EXISTING LINE NO.

2 REPLACEMENT PIPING/FLEX MOD 12"SI-1201-UB2. I 1/10/2015 :_I 15 017 INSTALLED NEWASME CL. 2 PIPING; LINE NO. 3"SI-1201-UB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2Nl21TSI0210B /NEW FLEX 2 REPLACEMENT PIPING/FLEX MOD PUMP SUCTION LINE 11/10/2015 I 15 018

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19.

FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Description Description of Work completed Plan Number INSTALLED NEW ASME CL. 2 PIPING; LINE NO. 3"SI-1206-DB2 ALONG WITHNEW3" ISOLATION VALVE; TPNS 2Nl22TSI02118 AND NEW 3" -

600# SPECTACLE INSERT BLIND TO SERVE AS NEW FLEX PUMP # 16 2 REPLACEMENT PIPING/FLEX MOD DISCHARGE LINE JAW DCP 12-11658-74; REF: DCN 1401194. 11/10/2015 1 15 019 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657A WITH 1 VALVE UPGRADED BOLTED BONNET VALVE AIRCHV3657A 11/1/2015 1 15 021 1 REPLACEMENT VALVE REPLACED HEAD VENT ISOLATION VALVE 1-HV-3658AAIRCHV3658A 11/1/2015 I 15 022 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3658B WITH I VALVE UPGRADED BOLTED BONNET VALVE BIRCHV3658B 11/1/2015 1 15 023 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657B WITH I VALVE UPGRADED BOLTED BONNET VALVE B 1RCHV3657B 11/1/2015 1 15 024 REPLACEMENT INTALLED NEW PIPING; LINE NO. 3"Sl-1101-UB2 VIA WELDOLET TIE-IN TO EXISTING 12"SI-1101-UB2 PER DCN 1401193 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 SUCTION LINE 11/10/2015 1 15 025 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"Sl-1106-DB2 VIA WELDOLET TIE-IN TO EXISTING 6"Sl-1106-DB2 PER DCN 1401194 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 DISCHARGE LINE 11/10/2015 1 15 026

REPLACEMENT REPLACED RCP 18 SEAL HOUSING BOLTS WITH INCONEL STUDS AND 1 BOLTING NUTS (REACTOR COOLANT PUMP 18 1R131NPP1018) 11/3/2015 1 15 027 REPLACEMENT INSTALLED NEW FLEX PIPING; LINENO. 3"AF-1077-WB3 WITI-INEW ISOLATION VALVE 1-AF-O 100 TO SERVE AS NEW FLEX PUMP # 11 3 PIPING/FLEX MOD SUCTION LINE 11/10/2015 1 15 029 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"AF-1047-GA3 WITH NEW ISOLATION VALVE l-AF-0104 TO SERVE AS NEW FLEX PUMP #11 3 PIPING/FLEX MOD DISCHARGE LINE. 11/11/2015 1 15 030 REPLACEMENT REPLACED COMPONENT EW-1407-02P, SPOOL PIECE EW-1407-Al-A03.

PIPE SECTION IS APROXIMATELY 2-FT IN LENGTH AND LOCATED 3 PIPING DOWN STREAM OF ECW PUMP 18 (3R281NPA1018) 7/1/2015 1 15 031 REPLACEMENT INSTALLED NEW PIPING; 3"AF-1077-WB3 WITH NEW 3" ISOLATION 3 PIPING/FLEX MOD VALVE l-AF-0100 TO SERVE AS NEW FLEX PUMP #12 SUCTION LINE 11/10/2015 1 15 032

' .. REPLACEMENT INSTALLED NEW PIPING: 3"AF-1014-GA3 WITH NEW ISOLATION 3 PIPING/FLEX MOD VALVE l-AF-0101 TO SERVE AS NEW FLEX PUMP #12 DISCHARGE LINE 11/11/2015 1 15 033 1 REPLACEMENT BOLTING REPLACED DAMAGED PRIMARY MANWA Y FASTENERS 11/9/2015 1 15 039 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING 1RE19 EDDY CURRENT TESTING 11/9/2015 1 15 041 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING 1RE19 EDDY CURRENT TESTING 11/10/2015 1 15 043 2 REPLACEMENT SNUBBER REPLACED HYDRAULIC SNUBBER 11/11/2015 1 15 045 1 REPAIR HATCH REINSTALLED HATCH TO SECODARY MOISTURE SEPARATOR ASSY 11/812015 1 15 047 REPLACEMENT REPLACED MECHANICAL SNUBBER SIN 446, MODEL ADI 51, HANGER

!(NF) SNUBBER RCIOOOSSOOOI 11/7/2015 I 15 053

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Descrintion Deserintion of Work comnlcted Pinn Number 2 REPLACEMENT SEAL CAP REPLACED SEAL CAP 12/18/2015 1 15 064 SEAL WELDED PIPE'CAP ON LOOP lA PRIMARY SAMPLE VALVE 2 REPAIR VALVE (2R141 TRC0056) 12/18/2015 l 15 065

*Repair Replacement Activities 1-13-027 and 1-15-052 were removed from Abstract table March 24, 2016.

SUMMARY

REPORT For 1RE19 INSERVICE INSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION SOUTH TEXAS PRO,JECT ELECTRIC GENERATING ST,i\TIOf\l STP NUCLEAR OPERATING COMPANY 10/17/2015-12/25/2015

..... -- -* . :.~- ' . ' ' .. - . *-

.~ .* *-;.

COVERSHEET 1RE19 lNSERViCE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 PreparedL1L ~J. Williams, ISi Program Engineer Date 't..'2. Mit'R i lp Reviewed by: , i ' . Date ,th

/

z,

/

/Jk1 B. Migl ~upervisor, /Testing Programs

SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, STEAM GENERATOR TUBING, AND WELD INSPECTION PROGRAMS (IWB, IWC, 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 l\NJ3-2500-1 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)

Plant South Texas Project Electric Generating Station Unit No._ _--"-----Cornmercial service date August 25 1988 Refueling outage no. __l=RE~~l9"-------

(If applicable)

Current inspection interval IWB. IWC IWD IWF - 3rd ; =-IV'"'-IV=E_-=2n-.,d_ _ _ _ _ _ _ _ _ _ _ __

(1 51 , 2'd, 3rtl, 4'11, other)

Current inspection period IWB. IWC, IWD IWF-2nd; IWE-2nd ----,....,--.,,----..,-------------

(1st, 2"<l, 3rtl)

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: 7118/2013 Supplement 2 Effective date: 4/2/2014 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan NI 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 th ASME Code, tion

and (c) the repair/replacement activities and evaluations Sllpporting the completion of 1 9 fo t the quirements of Section XL ber)

Date: March 22, 2016 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 bis employer makes any warranty, expressed or implied, concerning the repairs/

replacements activities and evaluation descnbed 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.

v;

=:!it~~j.~~~~~~::::::::::=--t~off.IIlIIllam~*s~si~on~s____~y/~- ~,,. g * ---~s-J5_,.__~~~---------------- t

'fl~~~tu;-~ NationaIOard,State, Province, and Endorsements Date c :;ya= 20/~GfJ (~

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE19 FALL 2015 Examination Item Item Evaluation Description Cateqory Number Description B-Q 816.20 CR 15-24440-Eddy current The indication could not be examination identified a possible definitively tied to wear from a volumetric indication in the steam loose part. As a result, tube

generator 1d tube row 30 column 78 1D-R30C78 was plugged by (D-R30C78) at about 0.2 to 0.3 work order 512677, WAN inches above the hot leg tubesheet. 506226. Tube was plugged per ASME Section XI traveler 01-15-43 NOTES:

1. No items found with flaws or relevant conditions that required evaluation for continued service.

2. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI lnservice Inspection, documents lnservice Inspection activities during 1 RE19 .

~ .

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 c Date Rcpair/Rcplaccmcnt Code Class CORRECTIVE MEASURE Item Description Description of Work completed Plan Number

3 REPLACEMENT Valve REPLACED CHILLER 12B OUTLET THROTTLE VALVE (CH-VLV-0598) 10/21/2014 1 12 053 3 REPLACEMENT SEAL REPLACED MECH SEALS/GLANDS AND BEARINGS. I 1/06/2014 1 13 046 MECHANICAL REPLACE MECHANICAL SEALS ON SPENT FUEL POOL COOLING PUMP 3 REPLACEMENT SEAL IA (3R21 INPAIOIA) 9/26/2014 1 13 047 REPLACED 2 IN. ECW PIPING AND SPOOL EW-1314-A-AOS ON LINE 3 REPLACEMENT PIPING 2"EW-1314-WT3 6/14/2014 1 14 012 REBUILT STRAINER, REPLACED BASKET ASSY AND BACKWASH ARM 3 REPLACEMENT STRAINER ASSY. OF ECW SELF CLEANING STRAINER IC 3R281NSPIOIC 6113/2014 I 14 015 REPLACED ESSENTIAL CHILLER 12B ECW RETURN VALVE 3 REPLACEMENT VALVE 3R281TEW1004 : 10/21/2014 1 14 020 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING IEWSYSTEM 9/17/2014 I 14 021 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING !EWSYSTEM 9/17/2014 1 14 022 REPLACE EXISTING STUD BOLTS AND NUTS AT VALVE CC-0014 WITH 3 REPLACEMENT VALVE CAP CAP SCREWS 12/9/2014 I 14 023 3 REPLACEMENT SEAL REPLACED SEAL*ON PUMP LUBE OIL CIRC PUMP 3Q15JMPU0234 10/24/2014 1 14 024 REPLACED DIESEL GENERATOR# I 1 ECW SUPPLY VALVE 3 REPLACEMENT VALVE 3R28ITEWOO16 3/9/2015 I 14 027 3 REPLACEMENT PIPING REPLACED SECTION OF ECW TRAIN IA PIPING I EWSYSTEM 3/9/2015 I 15 002 2 REPLACEMENT PIPING REPLACED SECTION OF 18" DIA. PIPE IN "C" TRAIN IVC 11/7/2015 I 15 004 I REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IC (1RJ31NPPI01C) I 1/16/2015 1 15 005 1 REPLACEMENT PUMP SEAL REPLACED SEAL ON REACTOR COOLANT PUMP IB(IRI3JNPPIOIB) I 11612015 I 15 006 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (NlRCPSV3450) I 117/2015 I 15 011 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBOILT I REPLACEMENT VALVE VALVE (NIRCPSV3451) 1117/2015 I 15 012 REPLACED PRESSURIZER SAFETY VALVE WITH NEW OR REBUILT I REPLACEMENT VALVE VALVE (N1RCPSV3452) 1117/2015 1 15 013 MECHANICAL REPLACED MM SUPPORT PACKAGE (REACTOR COOLANT PUMP IIU3 REPLACEMENT SUPPORT MOTOR NO 4 2R1JINPP103D) 11/2/2015 1 15 014 INSTALLED NEW 3" DIA. ASME CL. 2 FLEX PIPING AND NEW ISOLATION VAL VE [2-CS-0060] VIA TIE-IN TO EXISTING LINE NO.

2 REPLACEMENT PIPING/FLEX MOD 12"Sl-1201-UB2. 11/10/2015 1 15 017 INSTALLEDNEWASME CL. 2 PIPING; LINE NO. 3"SI-1201-UB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2Nl21,TSI0210B /NEW FLEX 2 REPLACEMENT PIPING/FLEX MOD PUMP SUCTION LINE I 1/10/2015 I 15 018 tJJ~/

.iA_.,;./;4-

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 2015 Date Repair/Replacement Code Class CORRECTIVE MEASURE Item Description Description ofWork completed Plan Number INSTALLED NEW,ASME CL. 2 PIPING; LINE NO. 3"SI-1206-DB2 ALONG WITH NEW 3" ISOLATION VALVE; TPNS 2Nl22TSI0211B AND NEW 3" -

600# SPECTACLE INSERT BLIND TO SERVE AS NEW FLEXPUMP#16 2 REPLACEMENT PIPING/FLEX MOD DISCHARGE LINE JAW DCP 12-11658-74; REF: DCN 1401194. 11/10/2015 1 15 019 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657A WITH 1 VALVE UPGRADED BOLTED BONNET VALVE A1RCHV3657 A 11/1/2015 1 15 021 1 REPLACEMENT VALVE REPLACED HEAD VENT ISOLATION VALVE 1-HV-3658A A1RCHV3658A 11/1/2015 1 15 022 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3658B WITH 1 VALVE UPGRADED BOLTED BONNET VALVE BIRCHV3658B 111112015 1 15 023 REPLACEMENT REPLACED HEAD VENT ISOLATION VALVE 1-HV-3657B WITH 1 VALVE UPGRADED BOLTED BONNET VALVE B 1RCHV3657B 111112015 I 15 024 REPLACEMENT INTALLED NEW PIPING; LINE NO. 3"Sl-1101-UB2 VIA WELDOLET TIE-IN TO EXISTING 12"Sl-1101-UB2 PER DCN 1401193 TO SERVE AS NEW 2 PIPING/FLEX MOD FLEX PUMP #13 & #14 SUCTION LINE 11/10/2015 1 15 025 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"SI-! 106-DB2 VIA WELDOLET TIE-2 PIPING/FLEX MOD FLEX PUMP# 13 & # 14 DISCHARGE LINE .

IN TO EXISTING 6"Sl-1106-DB2 PER DCN 1401194 TO SERVE AS NEW 11/10/2015 I 15 026 REPLACEMENT REPLACED RCP 1B SEAL HOUSING BOLTS wri:H INCONEL STUDS AND

' 1 BOLTING NUTS (REACTOR COOLANT PUMP 1B !R13 INPP101B) 11/3/2015 I 15 027 i REPLACEMENT INSTALLED NEW FLEX PIPING; LINE NO. 3"AF-I 077-WB3 WITH NEW

'i ISOLATION VALVE l-AF-0100 TO SERVE AS NEW FLEX PUMP# 11 3 PIPING/FLEX MOD SUCTION LINE 11/10/2015 I 15 029 REPLACEMENT INSTALLED NEW PIPING; LINE NO. 3"AF-1047-GA3 WITH NEW ISOLATION VALVE 1-AF-0104 TO SERVE AS NEW FLEX PUMP #11 3 PIPING/FLEX MOD DISCHARGE LINE. 11/11/2015 1 15 030 REPLACEMENT REPLACED COMPONENT EW-1407-02P, SPOOL PIECE EW-1407-Al-A03.

PIPE SECTION IS APROXIMATELY 2-FT IN LENGTH AND LOCATED 3 PIPING DOWN STREAM OF ECWPUMP 1B (3R281NPA101B) 7/1/2015 I 15 031 REPLACEMENT INSTALLED NEW PIPING; 3"AF-1077-WB3 WITH NEW 3" ISOLATION 3 PIPING/FLEX MOD VALVE 1-AF-O!OOTO SERVE AS NEW FLEX PUMP #12 SUCTION LINE 11/10/2015 1 15 032

' REPLACEMENT INSTALLED NEW.PIPING: 3"AF-1014-GA3 WITH NEW ISOLATION 3 PIPING/FLEX MOD VALVE 1-AF-0101 TO SERVE AS NEW FLEX PUMP #12 DISCHARGE LINE 11/11/2015 1 15 033 1 REPLACEMENT BOLTING REPLACED DAMAGED PRIMARY MANWAY FASTENERS 11/9/2015 1 15 039 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES I PLUG IDENTIFIED DURING !RE19 EDDY CURRENT TESTING 11/9/2015 1 15 041 REPAIR INSTALLED MECHANICAL TUBE PLUGS TO DEGRADED SIG TUBES 1 PLUG IDENTIFIED DURING IRE19 EDDY CURRENT TESTING 11/10/2015 1 15 043 2 REPLACEMENT SNUBBER REPLACED HYDRAULIC SNUBBER I 1/11/2015 1 15 045 I REPAIR HATCH REINSTALLED HATCH TO SECODARY MOISTURE SEPARATOR ASSY 11/8/2015 I 15 047 REPLACEMENT REPLACED MECHANICAL SNUBBER SIN 446, MODEL AD151, HANGER

!(NF) SNUBBER RCIOOOSSOOOI I 117/2015 I 15 053

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE19 FALL 20-15 Date Repair/Replacement

.Code Class CORRECTIVE MEASURE Item Descrintion Descriotion ofWork comnleted Pinn Number 2 REPLACEMENT SEAL CAP REPLACED SEAL CAP 12/18/2015 I 15 064 SEAL WELDED PIPE CAP ON LOOP IA PRIMARY SAMPLE VALVE 2 REPAIR VALVE (2R141TRC0056) 12/18/2015 1 15 065

*Repair Replacement Activities 1-13-027 and 1-15-052 were removed from Abstract table March 24, 2016,

South Texas Project E!ectr/c Generating StaUon P.O. Box 28JJ 1%dsworth, Texas 77483 March 24, 2016 NOC-AE-16003355 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 RE19 Attached .are four copies of the South Texas Project Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1RE19 completed in December 2015. 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 James Williams at (361) 972-7179 or me at (361) 972-7030.

~c~I~

Manager, Design Engineering Testing & Programs Engineering web

Attachment:

Summary Report For 1RE19 lnservice Inspection Of Unit 1 South Texas Project Electric Generating Station (4 copies)

STI: 34293148

NOC-AE-16003355 Page 2 of 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV Morgan. Lewis & Bockius LLP U.S. Nuclear Regulatory Commission Steve Frantz, Esquire 1600 East Lamar Boulevard Arlington, TX 76011-4511 U.S. Nuclear Regulatory Commission Lisa M. Regner Lisa M. Regner Senior Project Manager NRG South Texas LP U.S. Nuclear Regulatory Commission Chris O'Hara One White Flint North (08H04) Jim van Suskil 11555 Rockville Pike Skip Zahn Rockville, MD 20852 CPS Energy NRC Resident Inspector Kevin Pollo U. S. Nuclear Regulatory Commission Cris Eugster P. 0. Box 289, Mail Code: MN116 L.D. Blaylock Wadsworth, TX 77483 Crain Caton & James, P.C;--

Peter Nemeth City of Austin Elaina Ball John Wester L'

Texas Dept. of State Health Services Richard A. Ratliff Robert Free

SUMMARY

REPORT For 1RE19 INSERVICE INSPECTION Of UNITl SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION SOUTH TEXAS PRO.JECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY 10/17/2015-12/25/2015

COVERSHEET 1RE19 INSERVICE INSPECTION

SUMMARY

REPORT SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 1 P.O. BOX289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-498 OPERATING LICENSE NO: NPF-78 COMMERCIAL OPERATION DATE: AUGUST 25, 1988 Date '1..2 MJ\.K Il,o

SCOPE COMPONENT SUPPORTS, REPAIR/REPLACEMENT ACTIVITIES, SYSTEM PRESSURE TESTS, STEAM GENERATOR TUBING, AND WELD INSPECTION PROGRAMS (IWB, IWC, 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.

FORM OAR-1 OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Nunmber_ ___,;O~AR~-~l=RE=1=9_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Plant South Texas Project Electric Generating Station Unit No . _________Commercial service date August 25, 1988 Refueling outage no. ---'l~RE=l~9'-------

(If applicable)

Current inspection interval IWB IWC IWD IWF - 3rd ; ~IW~E_,-=2....,nd~-----------

(1 ", 2*d, 3rd, 4111 , other)

Current inspection period IWB, !WC, IWD, IWF -2nd; IWE-2nd - - - - , . , . - , - , . . , - - ; - - - - - - - - - - - -

(! ", znd, 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: l 0/8/2012, Supplement 1 Effective date: 711812013 Supplement 2 Effective date: 4/2/2014 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan NI 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 th ASME Code, tion

and (c) the repair/replacement activities and evaluations supporting the completion of 1 9 fo t the quirements of Section XL berJ Date: March 22, 2016 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 descnbed this report. Furthermore, neither the inspector nor his employer shall be liable in any manner for any personal injmy or property damage or a loss of any kind arising from the connected with this inspection.

z,Vr ~?~:-tio_g'J;_~-1-"'o-a~-d-,-St-~-~-,-pb_ro_v_in_c_e_~_n_d_E_n_d_o_rs-em-en_t_s Date

i,f!lfi"le Inspector's 1gnature.