Text

Inservice Inspection Summary Report - 1RE17
	ML13071A417
Person / Time
Site:	South Texas
Issue date:	02/21/2013
From:	Ruvalcaba M; South Texas
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	NOC-AE-13002968
	Download: ML13071A417 (30)
	v • d • e

Nuclear Operating Company South Texas Pro/ect Electr& Generating Station PIO Box 289 ladsworth. Texas 77483 vvw-February 21, 2013 NOC-AE-1 3002968 10 CFR 50.55a 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 ReDort-1 RE17 Attached are four copies of the South Texas Project Unit 1 summary report for inservice inspections performed prior to and during scheduled refueling outage 1RE17 completed in November, 2012. 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, please contact Coley Chappell at 361-972-4745, or me at 361-972-7904.

Manager, Testing/Programs ccc

Attachment:

Summary Report for the 1RE17 Inservice Inspection of Unit 1 South Texas Project Electric Generating Station (4 copies)

STI: 33658821

NOC-AE-13002968 Page 2 of 2 cc: (paper copy)

(electronic copy)

Regional Administrator, Region IV U. S. Nuclear Regulatory Commission 1600 East Lamar Boulevard Arlington, TX 76011-4511 Balwant K. Singal Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (MS 8 B1) 11555 Rockville Pike Rockville, MD 20852 NRC Resident Inspector U. S. Nuclear Regulatory Commission P.O. Box 289, Mail Code: MNl16 Wadsworth, TX 77483 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704 A. H. Gutterman, Esquire Morgan, Lewis & Bockius LLP Balwant K. Singal U. S. Nuclear Regulatory Commission John Ragan Chris O'Hara Jim von Suskil NRG South Texas LP Kevin Polio Richard Pefia City Public Service Peter Nemeth Crain Caton & James, P.C.

C. Mele City of Austin Richard A. Ratliff Alice Rogers Texas Department of State Health Services

Attachment NOC-AE-13002968 Page 1 of 7

SUMMARY

REPORT for the 1RE17 INSERVICE INSPECTION of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY November 2012

Attachment NOC-AE-13002968 Page 2 of 7 COVER SHEET 1RE17 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:

L DateJ il

, ISI Program Engineer Reviewed by:

rs.,.

E Date 2ZI?

.3 L.p PISupervisorMiDE Inspection Programs Reviewed by:

Date Z/19 113 M. Rjaalcaba, T"sting/Programs Engineering Manager

Attachment NOC-AE-13002968 Page 3 of 7 SCOPE COMPONENT SUPPORTS, STEAM GENERATOR TUBING, REPAIR AND REPLACEMENT, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWD, 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), first period (09/25/2010-09/24/2013). This report covers selected ASME Code Class 1, 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 and 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), first period (09/09/2009-09/08/2013).

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.

Attachment NOC-AE-13002968 Page 4 of 7 FORM OAR-I OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Nunmber flAPi-R1 *.7 OAR-IRE17 Di1ht FORM Q

OAR-OWE'S ACT VIT REOR (Cd tas N-532-4)

A UU exas roe, r,

ene-nr on Unit No.

1 Commercial service date Aupst 25. 1988 Refueling outage no.

IREI7 (If applicable)

Current inspection interval.

IwB. iwc. IwD. IWF -

3rd : IWE -2nd'

(',

2n d 3 d, 4", other)

Current inspection period 1WB, IWC, IWDý IWF - Is' -;

4

-1st (1', 2rd, 3"d)

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan October 08, 2012

/ Revision 7 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan N/A Code Cases used: N-532-4, N578-1, N-722-1, N-770-1 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 IRE17 conform to there ements of Section XI.

(Refu ling outage number)

Signed ISI Program Engineer Date 19FEB2013

( (Owner 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 person injury or property damage or a loss of any kind arising from the connected with this inspection.

Inspector's Signature J7,,4.

ir,7,,A0 National Board, State, Province, and Endorsements Date fi;. )9 4 2

Attachment NOC-AE-13002968 Page 5 of 7 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE17 November 2012 Examination Item Item Category Number Description C-H C7.10 Refueling Water Storage Tank CR 11-17459 ASME Class 2 External leakage indicated TPNS # 2N121NTF101A during performance of PM 99000649. Dry boric acid was identified under the base lip of the RWST in three locations.

Repair/ Replacement required (R&R No. 1-12-025)

NOTES:

1. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during 1RE17.

TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE17 November 2012

Repair, Repair/Replacement Plan Code Class Replacement, or Item Description Description of Work Date completed Number Corrective Measure 3

Replacement Valve Disc Removal and application of tack welds on code 8/25/11 1-08-048 valve disc 2

Replacement Valve Parts Replaced damaged valve parts 9/12/12 1-10-004 1

Repair Valve Repaired bevel ends of valve 07/28/11 1-10-006 2

Repair Valve Repaired seal welded body/bonnet 11/05/12 1-10-020 3

Replacement Valve Replaced plates, hinge and stop pin retainers, 08/31/11 1-10-033 rebored stop pin bore.

3 Replacement Valve Replaced old valve with new SS valve 05/11/11 1-11-011 3

Replacement Valve Replace valve with new 05/11/11 1-11-015 3

Replacement Valve Replaced valve with new style 06/14/11 1-11-016 2

Replacement Valve Replaced 3 vent valve assemblies 10/11/11 1-11-028 2

Replacement Valve Replaced 2" CV-1210-BB2 11/10/12 1-11-030 3

Replacement Valve Replaced valve plug 08/02/11 1-11-035 3

Replacement Transmitter Replaced CVCS Make-up Flow Transmitter 10/12/11 1-11-036 3

Replacement Valve Replaced valve parts 12/12/11 1-11-037 1

Replacement Seals Replaced Seal Package in 1B RCP 11/09/12 1-12-010 3

Replacement RCP Coolers Replaced upper bearing oil cooler & 2 Motor air 11/13/12 1-12-011 coolers.

Z 1

Replacement Valve Replaced PSV with tested PSV 11/13/12 1-12-012 O

w0 1

Replacement Valve Replaced PSV with tested PSV 11/13/12 1-12-013 1

Replacement Valve Replaced PSV with tested PSV 11/13/12 1-12-014 "0

1 Replacement Valve Replaced PSV with tested PSV 11/13/12 1-12-015 c0 oN 0)

=r CD

TABLE 2 ABSTRACT OF REPAIRS/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE 1RE17 November 2012

Repair, Repair/Replacement Plan Code Class Replacement, or Item Description Description of Work Date completed Number Corrective Measure 3

Replacement Valve Replaced valve soft seat 05/03/2012 1-12-016 3

Replacement Valve Replaced Check Valve 05/04/12 1-12-018 3

Replacement Valve Replaced hinge pin bushings, valve plate bushing 06/25/12 1-12-021 and stop pin bushings and installed new Nordel soft seal 1

Repair Valve parts Seal welded body to bonnet 11/08/12 1-12-022 2

Repair Tank Repaired RWST Floor plates after floor plate sample 11/13/12 1-12-025 removal 2

Replacement Valve Replaced valve plug 11/20/12 1-12-027 3

Replacement Valve Replace valve parts 09/26/12 1-12-031 2

Replacement Flange studs Replaced flange studs and nut 08/21/12 1-12-33 1

Replacement Spring Hanger Support Replaced spring can support RH 1101 SHOO01 with 11/12/12 1-12-034 larger size 1

Replacement Valve Replaced bearing blocks, bonnet and fasteners 11/05/12 1-12-036 1

Repair Valve Seal welded bonnet to body joint 11/05/12 1-12-037 1

Repair Valve Removed liner indications found on seal cap weld 10/31/12 1-12-038 1

Repair Valve Seal welded body to bonnet joint 11/05/12 1-12-039 1

Replacement Valve Replaced valve bonnet and fasteners 11/05/12 1-12-040 1

Repair Valve Seal welded body to bonnet joint 11/05/12 1-12-042 1

Replacement Valve Replaced valve bonnet and fasteners 11/05/12 1-12-043 1

Repair Valve Seal welded body to bonnet joint 11/05/12 1-12-045 1

Replacement Valve Replaced valve bonnet and fasteners 11/05/12 1-12-046 2

Replacement Pump Bolting Replaced ASME bolting on 2 motor air coolers 11/20/12 1-12-048 1

Replacement RCP Seal Package Replaced Seals 11/20/12 1-12-049 1

Replacement Valve Replaced valve stem and back seat 11/08/12 1r12-050 z0 (0CA CD C) o4 C)

-h) 0 3

Attachment NOC-AE-13002968 Page 1 of 7

SUMMARY

REPORT for the 1RE17 INSERVICE INSPECTION of UNIT 1 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION SOUTH TEXAS PROJECT ELECTRIC GENERATING STATIO N STP NUCLEAR OPERATING COMPANY November 2012

Attachment NOC-AE-13002968 Page 2 of 7 COVER SHEET 1RE17 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 IS sJ.

jIll 5, ISI Program Engineer Reviewed by:

I Date 2 I13 L. *.1ss, SupervisorDE Inspection Programs Reviewed by: ___

Date Z /i9 113 M. F~ivalcaba, Tsting/Programs Engineering Manager

Attachment NOC-AE-13002968 Page 3 of 7 SCOPE COMPONENT SUPPORTS, STEAM GENERATOR TUBING, REPAIR AND REPLACEMENT, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS (IWB, IWC, IWD, 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), first period (09/25/2010-09/24/2013). This report covers selected ASME Code Class 1, 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 and 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), first period (09/09/2009-09/08/2013).

This report covers selected ASME Code Class CC liner & MC Components. This report is documented in accordance with the requirements of ASME Section Xl 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.

Attachment NOC-AE-13002968 Page 4 of 7 FORM OAR-i OWNER'S ACTIVITY REPORT (Code Case N-532-4)

Report Nunmber OAR-1RE17 DI

ORM ~ OR

1.

OWNR' ACIVT REOR MCd Cas N-532-4)

Sain ou~tfl excas roe ecV~ r~~AL ci eneral.Ltlhlg,La on Unit No.

I Commercial service date August 25. 1988 Refueling outage no.

IRE17 (If applicable)

Current inspection interval IWB, IWC, IWD, BWF - 3rd ; IWE -2n" (1', 2nd 3rd, 4'h, other)

Current inspection period IWB, IWC. IWD. IWF - I (l'", 2 "n, 3rd)

Edition and Addenda of Section XI applicable to the inspection plan 2004 No Addenda Date and revision of inspection plan October 08, 2012

/ Revision 7 Edition and Addenda of Section XI applicable to repairs/replacement activities, if different than the inspection plan N/A Code Cases used: N-532-4, N578-1, N-722-1, N-770-1 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 1RE17 conform to the re

'ements of Section XI.

(Refu ing outage number) t-Se, Signed 4

ISI Program Engineer Date 19FEB2013 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 persongJ, injury or property damage or a loss of any kind arising from the connected with this inspection.

J-Inspector's Signature 7,,,..

iF)*,

Date Pý;1)91-aw 0

ij

Attachment NOC-AE-13002968 Page 5 of 7 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 1RE17 November 2012 Examination Item Item Category Number Description C-H C7.10 Refueling Water Storage Tank CR 11-17459 ASME Class 2 External leakage indicated TPNS # 2N121NTF101A during performance of PM 99000649. Dry boric acid was identified under the base lip of the RWST in three locations.

Repair/ Replacement required (R&R No. 1-12-025)

NOTES:

1. Surveillance procedure OPSP11-RC-0015 Revision 17, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during 1 RE17.