NOC-AE-07002195, Inservice Inspection Summary Report - 2RE12

Inservice Inspection Summary Report - 2RE12

ML072200482
Person / Time
Site:	South Texas
Issue date:	07/25/2007
From:	Jenewein B Southern Nuclear Operating Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
2RE12, G25, NOC-AE-07002195, STI: 32187790, T07.03
Download: ML072200482 (12)

Text

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Nuclear Operating Company I2 South Texas ProjetElectric GeneratnSStation P.0 Box 289 kOdsuorth, Tes 77483 -

July 25, 2007 NOC-AE-07002195 File No: G25, T07.03 10 CFR 50.55a U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 South Texas Project Unit 2 Docket No. STN 50-499 Inservice Inspection Summary Report - 2RE12 Enclosed are four copies of the South Texas Project Unit 2 summary report for inservice inspections performed prior to and during the refueling outage 2RE12 completed in May, 2007.

This summary report satisfies the reporting requirements of ASME Code Section XI, Article IWA-6230.

There are no commitments in this report.

If there are any questions, please contact either Philip L. Walker at (361) 972-8392 or me at (361) 972-7431.

Bra Jenewein Manager, Testing/Programs PLW

Enclosure:

2RE12 Inservice Inspection Summary Report for Component Supports, Containment Metal Liner (IWE), Repair and Replacement, Steam Generator Tubing, System Pressure Testing, Weld Inspection Programs, and Weld Alloy 600 Activities STI No: 32187790

NOC-AE-07002195 Page 2 of 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV A. H. Gutterman, Esquire U.S. Nuclear Regulatory Commission Morgan, Lewis & Bockius LLP 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Mohan C. Thadani U. S. Nuclear Regulatory Commission Mohan C. Thadani Thad Hill Senior Project Manager Steve Winn U.S. Nuclear Regulatory Commission Marty Ryan One White Flint North (MS 7 D1) Eddy Daniels 11555 Rockville Pike Harry Holloway Rockville, MD 20852 NRG South Texas LP Richard A. Ratliff J. J. Nesrsta Bureau of Radiation Control R. K. Temple Texas Department of Health K. M. Polio 1100 West 49th Street E. Alarcon Austin, TX 78756-3189 City Public Service C. M. Canady C. Kirksey City of Austin City of Austin Electric Utility Department 721 Barton Springs Road Jon C. Wood Austin, TX 78704 Matthews & Branscomb Senior Resident Inspector U. S. Nuclear Regulatory Commission P.O. Box 289, Mail Code: MN16 Wadsworth, TX 77483 One copy of the attachment is provided.

SUMMARY

REPORT for the 2RE12 INSERVICE INSPECTION of UNIT 2 SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION COMPONENT SUPPORTS, CONTAINMENT METAL LINER (IWE),

REPAIR/REPLACEMENT, STEAM GENERATOR TUBING, SYSTEM PRESSSURE TESTING AND WELD INSPECTION PROGRAMS AND ALLOY 600 ACTIVITIES

OUTH TEXAS PROJECT ELECTRIC GENERATING STATION STP NUCLEAR OPERATING COMPANY May 2007

COVER SHEET 2RE12 INSERVICE INSPECTION

SUMMARY

REPORT FOR COMPONENT SUPPORTS, CONTAINMENT METAL LINER (IWE), REPAIR AND REPLACEMENT, STEAM GENERATOR TUBING, SYSTEM PRESSURE TESTING AND WELD INSPECTION PROGRAMS AND WELD ALLOY 600 ACTIVITIES SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION, UNIT 2 P.O. BOX 289 WADSWORTH, TEXAS 77483 USNRC DOCKET NO: 50-499 OPERATING LICENSE NO: NPF-80 COMMERCIAL OPERATION DATE: JUNE 19, 1989 Prepared by:. '5L~(-((7

(ý. tbuer, Enginee X..

Reviewed by: 4,/ P -, 7 You er, Supervising Engineer

SCOPE COMPONENT SUPPORTS, REPAIR AND REPLACEMENT, STEAM GENERATOR TUBING, SYSTEM PRESSURE TESTS AND WELD INSPECTION PROGRAMS The examinations summarized in this report were performed in accordance with the 1989 Edition with no Addenda of the ASME Code,Section XI that is applicable to the South Texas Project, Unit 2, second ten-year interval (10/19/2000-10/18/2010), second period (10/19/2003-10/18/2007). This report covers selected ASME Code Class 1, 2 & 3 Systems/Components. This report is documented in accordance with the requirements of ASME Section XI Code Case N-532-1.

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.

The 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-f, Examination Categories. Component Supports were examined in accordance with Table 2500-1 of Code Case N-491-2.

CONTAINMENT METAL LINER (IWE/IWL)

The Containment Metal Liner examinations summarized in this report were performed in accordance with the 1992 Edition 1992 Addenda of the ASME Code,Section XI, that is applicable to the South Texas Project, Unit 2, first ten-year interval (9/9/1998-9/8/2008), third period (9/9/05-9/8/08). 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-532-1.

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.

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

Report Number OAR-2REI 2 Owner STP Nuclear Operating Company, P. 0. Box 289, Wadsworth, TX 77483 (Name and Address of Owner)

Plant South Texas Proiect Electric Generating Station P.O. Box 289, Wadsworth, TX 77483 (Name and Address of Plant)

Unit No. 2 Commercial service date June 19, 1989 Refueling outage no. 2RE12 (If applicable)

Current inspection interval IWB. IWC. IWD, IWF - 2 n ; IWE -1st (W,2"', Vd, 4 "h,other)

Current inspection period IWB, IWC, IWD, IWF 2 nd IWE - 3 rd (1"t,2"a, 3,")

Edition and Addenda of Section XI applicable to the 10 year inspection plan: 1989 Edition/No Addenda (IWE-1992 Edition 1992 Addenda)

Date and revision of 10 year inspection plan September 6, 2006, Revision 3 Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan N/A CERTIFICATE OF CONFORMANCE I certify that the statements made in this Owner's Activity Report are correct, and that the examinations, tests, repairs, replacements, evaluations, and corrective measures represented by this report conform to the requirements of Section XI.

Certificate of Authorization No. N/A Expiration Date N/A (if applicable)

Signed *. ENGINEER Date 5"[ (- IO"7 (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 Grout Inc of Houston Texas have inspected the items described in this Owner's Activity Report, during the period 10/19/2003 to 10/18/2007 for Component Supports, Repair And Replacement, Steam Generator Tubing, System Pressure Tests and Weld Inspection program, and during the period 9/912005 to 9/8/2008 for Containment Metal Liner program, 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 examinations, tests, repairs, replacements, evaluations, and corrective measures 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 ct slCm lusTX 756 i~ t's*gnature National Board, State, Province, and Endorsements Robert iemann

-Date-

TABLE I ABSTRACT OF EXAMINATIONS AND TESTS Interval 2 Period 2 2RE12 April 2007 COMPONENT SUPPORTS AND WELD INSPECTIONS, per WINISI Computerized Inservice Inspection Database Total Total Total Total Examinations Examinations Examinations Examinations Credited (%)

Examination Required for Credited for Credited (%) To Date for Category The Interval This Period For The Period The Interval Remarks B-G-2 38 21 55.26 63.16 B-M-2 15 9 60.00 60.00 B-N-I 3 1 33.33 66.67 C-C 25 11 44.00 60.00 F-A 272 126 46.32 66.18 Component Supports R-A- 1 59 26 44.07 61.02 B-F & B-J

• R-A-2 7 2 28.57 57.14 C-F- I,C-F-2**

MRP N/A .25 N/A N/A ALLOY 600 MRP N/A 12 N/A N/A ALLOY 600 BMI N/A 0 N/A N/A Bottom Head Inspection THPENS N/A 158 N/A N/A Top Head Inspection*****

NOTES: Period 2 = 2RE10, 2REII & 2RE12 Period 2 Examination Completion Range = 50% - 67%

• = Categories combined for Class I Risk Informed piping welds

• • = Categories combined for Class 2 Risk Informed piping welds

= During 2RE12 performed Bare Metal Visual (BMV) on 6 pressurizer nozzles & I set of pressurizer heater sleeves prior to weld overlay. Performed (BMV) inspections of four Reactor Pressure Vessel outlet nozzle welds.

• • • • = During 2RE12 performed Baseline (PSI) inspections of all six Pressurizer Nozzles after weld overly.

• • • • • = During 2RE12 performed inspection of RPV top head penetrations - J groove weld and BMV of CRDMs.

TABLE IA ABSTRACT OF EXAMINATIONS AND TESTS Interval 2 Period 2 2RE12 April 2007 SYSTEM PRESSURE TESTING INSPECTIONS, per WINISI Computerized Inservice Inspection Database Total Total Total Total Examinations Examinations Examinations Examinations Credited (%)

Examination Required for Credited for Credited (%) To Date for Category The Interval This Period For The Period The Interval Remarks B-E 28 12 42.86 71.43*

B-P 42 18 42.86 71.43*

C-H 132 44 33.33 66.67 D-A 12 4 33.33 66.67 D-B 12 4 33.33 66.67 D-C 3 1 33.33 66.67 NOTES: Period 2 = 2REI0, 2RE 1 & 2RE12 Period 2 Examination Completion Range = 50% - 67%

• = Percent credited is greater than 67% because of three outages in period - RC system pressure test required each outage.

TABLE IB ABSTRACT OF EXAMINATIONS AND TESTS Interval 2 Period 2 2RE12 April 2007 STEAM GENERATOR TUBING Total Total Total Total Examinations Examinations Examinations Examinations Credited (%)

Examination Required for Credited for Credited (%) To Date for Category The Interval This Period For The Period The Interval Remarks B-Q 8 4 50.00 100.00 1 NOTES: Period 2 = 2RE10, 2RE11 & 2RE12 Period 2 Examination Completion Range = 50% - 67%

No Steam Generator Tube inspections were performed during 2RE 12 A/l//

TABLE IC ABSTRACT OF EXAMINATIONS AND TESTS Interval 1 Period 3 2RE12 April 2007 CONTAINMENT METAL LINER (IWE)

Total Total Total Total Examinations Examinations Examinations Examinations Credited (%)

Examination Required for Credited for Credited (%) To Date for Category The Interval This Period For The Period The Interval Remarks E-A 36 16 25.93 94.44 9 exams were end of interval exams and not credited to the Period.

See Note 2 E-D 3 1 33.33 100.00 E-G 131 97 74.05 100.00 AP-J 84 28 33.33 100.00 NOTES:

1. Period 3 =2REI1, 2RE12

2. 2 of 9 exams for Period 3 will be completed online prior to end of the interval to achieve full coverage.

Period 3Examination Completion Range = 50 - 100%

End of first 10 year interval TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE 2RE12 April 2007 Examination Items Item Flaw Flaw or Relevant Condition Found Category Number Description Characterization During Scheduled Section XI (IWA-3300) Examination or Test (Yes or No)

See Note I NOTES:

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

2. Surveillance procedure OPSPI 1-RC-0015, ASME Section XI Inservice Inspection, documents Inservice Inspection activities during IREI3.

TABLE 3 ABSTRACT OF REPAIRS. REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE 2RE 12 April 2007 Repair, Replacement, or Flaw or Relevant Condition Code Corrective Found During Scheduled Section Date Repair/Replacement Class Measure Item Description Description of Work XI Examination or Test (Yes/No) copee Plan Number 3 Replacement Valve Ball replacement No 02/14/07 2-4-07 3 Replacement Valve Valve replacement No 02/14/07 2-4-63 3 Replacement Valve Valve replacement No 02/14/07 2-5-51 3 Replacement Valve Valve replacement No 02/14/07 2-5-53 3 Repair Pump Drilling reaming of bearing No 02/14/07 2-5-56 housing taper pin holes 3 Replacement Pump Pump replacement No 2/14/07 2-6-06 3 Replacement Valve Ball Assembly replacement No 2/14/07 2-6-09 3 Repair Motor cooler Machined flange gasket No 2/14/07 2-6-10

________________surface_________________

3 Repair Piping Replaced ECW pipe No 3/20/07 2-6-11 3 Repair Piping Replaced ECW pipe & elbow No 5/3/07 2-6-12 3 Replacement Valve Valve replacement No 4/19/07 2-6-14 3 Repair Pipe Support Remove/reinstall support No 3/20/07 2-6-17 2 Replacement Valve Replaced disc No 5/7/07 2-6-22 2 Replacement Valve Replaced disc No 5/7/07 2-6-23 2 Replacement Valve Replaced disc No 5/7/07 2-6-24 2 Replacement Valve Replaced disc No 5/7/07 2-6-25 2 Repair Valve Valve replacement No 5/8/07 2-6-28 2 Replacement Valve Replaced valve stem No 5/7/07 2-6-31 2 Repair Valve Machining of valve parts No 5/7/07 2-6-33 I Replacement Pump Replaced RCP cartridge seal No 5/7/07 2-6-34

__________ ~~~~~~housing _______________

3 Replacement Piping Replaced flange fasteners No 4/20/07 2-6-38 3 Replacement Piping Replaced flange fasteners No 4/20/07 2-6-39 3 Replacement Pump Replaced gland studs & nuts No 3/20/07 2-6-40 2 Replacement Valve Valve replacement No 4/19/07 2-6-42 I Replacement Valve Replaced Valve & flange No 5/7/07 2-6-44 studs/nuts _______________

ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE 2RE12 April 2007 -

Repair, Replacement, or Flaw or Relevant Condition Code Corrective Found During Scheduled Section Date Repair/Replacement Class Measure Item Description Description of Work XI Examination or Test (Yes/No) completed Plan Number I Replacement Valve Valve replacement & flange No 5/7/07 2-6-45 studs/nuts I Replacement Valve Valve replacement & flange No 5/7/07 2-6-46 studs/nuts 3 Repair Piping Replaced ECW pipe & tee No 5/3/07 2-6-50 3 Replacement Valve Replaced disc plates & hinge No 4/19/07 2-7-02 pin retainer 3 Replacement Valve Valve replacement No 4/20/07 2-7-04 2 Repair Valve Valve replacement No 5/07/07 2-7-05 3 Replacement Valve Replaced valve disc No 5/3/07 2-7-07 2 Replacement Valve Replaced valve disc No 5/7/07 2-7-09 2 Repair Valve Replaced valve plug No 5/8/07 2-7-12 2 Repair Pressurizer Performed weld overlay on No 5/7/07 2-7-15 surge nozzle & lug removal Repair Pressurizer Performed weld overlay on No 5/7/07 2-7-16 upper nozzles I Repair Pressurizer Removed Code plate & No 5/7/07 2-7-17 transferred info 2 Replacement Valve Replaced valve disc & yoke No 4/20/07 2-7-18 2 Replacement Valve Valve replacement No 5/8/07 . 2-7-19 2 Repair Valve Replaced valve seal leak off No 5/7/07 2-7-21 plug & seal welded 2 Repair Valve Replaced valve plug No 5/8/07 2-7-22 2 Repair Valve Replaced valve plug No 5/8/07 2-7-23 1 Repair Pipe Support Performed weld build up of No 5/7/07 2-7-25 spring can housing I Replacement Pipe Support Replaced spring can No 5/7/07 2-7-27 2 Replacement Snubber Replaced snubber No 5/2/07 2-7-28 2 Replacement Valve Replaced valve disc No 5/2/07 2-7-29 3 Replacement Motor Coolers Replaced motor coolers . No 5/8/07 2-7-32 1 Replacement RPV Replaced ROTO-LOK stud No 5/8/07 2-7-33 MC Replacement Equipment Hatch Replaced Swin bolt No 5/7/07 2-7-34 FA,&/

ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE 2RE12 April 2007 Repair, Replacement, or Flaw or Relevant Condition Code Corrective Found During Scheduled Section Date Repair/Replacement Class Measure Item Description Description of Work XI Examination or Test (Yes/No) completed Plan Number 3 Replacement Piping Replaced flange fasteners No 5/2/07 2-7-35 2 Replacement Valve Replaced valve plug No 5/7/07 2-7-36 I Repair CRDM Removed Code plate & No 5/7/07 2-7-37 transferred info I Repair CRDM Installed canopy seal clamp No 5/7/07 2-7-39

__assembly 2 Repair Valve Machined valve bonnet No 5/7/07 2-7-40