NOC-AE-04001764, Inservice Inspection Summary Reports for System Pressure Tests and for Repairs and Replacements- 2RE10

Inservice Inspection Summary Reports for System Pressure Tests and for Repairs and Replacements- 2RE10

ML042100028
Person / Time
Site:	South Texas
Issue date:	07/21/2004
From:	Berg M South Texas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
G25, IWA-6230, NOC-AE-04001764, STI: 31770122, T07.03
Download: ML042100028 (11)

Text

Nuclear Operating Company Teas ned W arU282 TA 7743A South kkcn/ngSrifB d3 July 21, 2004 NOC-AE-04001764 STI: 31770122 File No: G25, T07.03 10CFR50.55a U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852 South Texas Project Unit 2 Docket No. STN 50-499 Inservice Inspection Summary Reports for System Pressure Tests and for Repairs and Replacements- 2RE10 Enclosed are four copies of the South Texas Project Unit 2 inservice inspection summary reports for repairs and replacements and for system pressure tests performed prior to and during the tenth refueling outage (2RE10) completed in April 2004. These summary reports satisfy the reporting requirements of Section Xl, Article IWA-6230.

There are no commitments contained in this report.

If there are any questions, please contact either Philip Walker at (361) 972-8392 or me at (361) 972-7030.

Michael J. Berg Manager, Testing/Programs Engineering PLW

Enclosures:

2RE10 Inservice Inspection Summary Report For System Pressure Tests &

Repairs and Replacements

NOC-AE-04001764 Page 2 of 2 cc:

(paper copy) (electronic copy)

Bruce S. Mallett A. H. Gutterman, Esquire Regional Administrator, Region IV Morgan, Lewis & Bockius LLP U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 L. D. Blaylock Arlington, Texas 76011-8064 City Public Service U. S. Nuclear Regulatory Commission David H. Jaffe Attention: Document Control Desk U. S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike R. L. Balcom Rockville, MD 20852 Texas Genco, LP Richard A. Ratliff A. Ramirez Bureau of Radiation Control City of Austin Texas Department of Health 1100 West 49th Street C. A. Johnson Austin, TX 78756-3189 AEP Texas Central Company Jeffrey Cruz Jon C. Wood U. S. Nuclear Regulatory Commission Matthews & Branscomb P. 0. Box 289, Mail Code: MN1 16 Wadsworth, TX 77483 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704

COVER SHEET 2RE10 INSERVICE INSPECTION

SUMMARY

REPORT FOR SYSTEM PRESSURE TESTS & REPAIRS AND REPLACEMENTS SOUTH TEXAS PROJECT 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: \,Q\ L Rewtauber, Engineer Reviewed by: >^

Bra ~newein, Supervising Engineer

NOC-AE-04001 764 Page 1 of 8 SCOPE 2RE10 SYSTEM PRESSURE TESTS The examinations summarized in this report were performed in accordance with the 1989 Edition with no Addenda of the ASME Code, Section Xl, which is applicable to the second South Texas Project Unit 2 ten-year interval. 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 Xl 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, Examination Category B-P, which established the examination frequency at each refueling outage.

The ASME Code Class 2 Systems/Components were selected on a prorated basis. This prorated selection process will continue until all ASME Code Class 2 Systems/Components are examined in accordance with Table IWC-2500-1, Examination Category C-H. The examination category for ASME Code Class 2 Systems/Components establishes the examination frequency at each inspection period.

The ASME Code Class 3 Systems/Components were selected on a prorated basis. This prorated selection process will continue until all ASME Code Class 3 Systems/Components are examined in accordance with Table IWD-2500-1, Examination Category D-A, D-B & D-C. The examination category for ASME Code Class 3 Systems/Components establishes the examination frequency at each inspection period.

NOC-AE-04001 764 Page 2 of 8 SCOPE 2RE1O REPAIRS AND REPLACEMENTS The inspections and records summarized in this report were performed in accordance with the 1989 Edition with no Addenda of the ASME Code, Section Xl, which is applicable to the second South Texas Project Unit 2 ten-year interval. This report is documented in accordance with the requirements of ASME Section XI Code Case N-532-1.

This report covers ASME Code Class 1, 2, and 3 pressure-retaining components and their supports where repair or replacement was performed between the end of the ninth refueling outage and the end of the tenth refueling outage just completed.

NOC-AE-04001764 Page 3 of 8 FORM OAR-I OWNER'S ACTIVITY REPORT Report Number Owner STP Nuclear Operatine 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. 2RE10 (If applicable)

Current inspection interval 2nd (I 2", 3d, 4", other)

Current inspection period 2 nd (I , 2,3g Edition and Addenda of Section XI applicable to the inspection plan 1989 Edition Addenda - None Date and revision of inspection plan Inservice Inspection Plan for Examination of Welds and Comnonent Supports. System Pressure Testing Program, and Repair and Replacement Program for the Second Inspection Interval at STP. Revision 1. January 20.

2004 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 J. Staube er ( L .ENGINEER (1vner or Owner's Designee, Title)

Date 7 /ZI 1 4z 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 employedky ABS Group Inc of Houston. Texas have inspected the items described in this Owner's Activity Report, during the period , to /O -J -CX 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 inspec ____

___ ____________________ Lom iss onsT X 756 Inspector's Signature National Board, State, Province, and Endorsements Robert Nieqnn Date 7/X rtrd This form (E00127) mav be obtained from the Order Dept. ASME. 22 Law Drive. Box 2300. Fairfield. NJ 07007-2300.

NOC-AE-04001 764 Page 4 of 8 TABLE 1 ABSTRACT OF EXAMINATIONS AND TESTS 2RE1 0 Total Total Total Total Examinations Examinations Examinations Examinations Credited (%) To Examination Required for Credited for Credited (%) Date For The Category the Interval This Period For The Period Interval Remarks B-P 7 1 33% 43% Class 1. See Notes 1& 2 C-H 33 3 27% 42% Class 2. See Notes 3 & 4 D-A, D-B, D-C 21 0 0% 33% Class 3. See Notes 5 & 6 TOTAL: 61 4 NOTES:

1. Class 1 Total Examinations required for Period = 3

2. Class 1 Total Examinations to date for the interval = 3

3. Class 2 Total Examinations required for Period = 11

4. Class 2 Total Examinations to date for the interval = 14

5. Class 3 Total Examinations required for Period = 7

6. Class 3 Total Examinations to date for the interval = 7

NOC-AE-04001 764 Page 5 of 8 TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE 2RE1 0 Flaw Flaw or Relevant Condition Found Examination Item Item Characterization During Scheduled Section Xl Category Number Description (IWA-3300) Examination or Test (Yes or No)

See Note 1 _

.5- 4 4- 4 NOTE:

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

NOC-AE-04001764 Page 6 of 8 TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE 2RE10 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 1 Repair Steam Generator Drill and tap holes No 6/14/04 2-2-092 Manway Cover Replacement CET nozzle Replaced seal housing, hold No 3/6/03 2-3-009 down nut & compression collar Replacement CET nozzle Replaced seal housing, hold No 3/6/03 2-3-011 down nut & compression collar 1 Replacement CET nozzle Replaced seal housing, hold No 3/6/03 2-3-012 down nut & compression collar Replacement CET nozzle Replaced seal housing, hold No 3/6/03 2-3-013 down nut & compression collar Replacement CRDM Replaced seismic sleeve No 3/4/03 2-3-014 Repair Valve Removed and replaced body No 3/10/03 2-3-015 to bonnet seal weld Replacement Pressurizer Spray Replaced ball No 4/25/04 2-3-043 Valve Replacement Reactor Coolant Replaced Cartridge Seal No 4/25/04 2-3-046 Pump Housing 1 Replacement Pressurizer Safety Replaced valve & outlet No 4/25/04 2-3-047 Valve flange studs Replacement Pressurizer Safety Replaced valve No 4/25/04 2-3-048 Valve Replacement Pressurizer Safety Replaced valve & outlet No 4/25/04 2-3-049 Valve flange studs I Replacement Pressurizer Spray Replaced ball No 4/25/04 2-3-050 Valve

NOC-AE-04001764 Page 7 of 8 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 Replaced disc, bonnet & yoke No 4/25/04 24-019 I Repair Reactor Head Lift Ground out weld indication on No 4/4/04 2-4-021 rig lifting lug I Replacement Reactor coolant Replaced cartridge seal No 4/25/04 2-4-023 PuMP assembly Replacement Reactor coolant Replaced seal housing bolts No 4/21/04 2-4-024 pump 1 Replacement Steam Generator Replaced Manway stud No 4/20/04 2-4-030 I Replacement Steam Generator Replaced Manway stud No 4/20/04 2-4-031 I Replacement Steam Generator Replaced Manway nut No 4/20/04 2-4-032 2 Replacement Safety Relief Replaced valve disc No 4/25/04 2-0-006 Valve 2 Replacement Valve Replaced poppet, pilot poppet, No 1/21/03 2-2-142 cover studs, cover nuts 2 Replacement Valve Replaced pilot poppet No 3/12/03 2-3-003 2 Replacement Valve Replaced poppet, pilot poppet, No 4/25/04 2-3-039 cover studs 2 Repair Valve Replaced valve, pipe & elbow No 4/25/04 2-3-041 2 Replacement Valve Replaced Plug No 4/24/04 2-4-004 2 Repair Valve Replaced disc & removed and No 4/25/04 2-4-006 rewelded seal weld 2 Replacement Valve Replaced plug No 4/28/04 2-4-016 2 Replacement Snubber Replaced snubber No 4/17/04 2-4-022 2 Replacement Valve Replaced plug No 4/25/04 2-4-027 2 Replacement Valve Replaced plug No 4/25/04 2-4-028 2 Replacement Valve Replaced plug No 4/23/04 2-4-029 2 Replacement Safety Relief Replaced valve disc No 4/25/04 2-97-056 Valve 2 Replacement Safety Relief Replaced valve disc No 4/25/04 2-97-063 Valve 2 Replacement Safety Relief Replaced valve disc No 4/25/04 2-97-064 Valve 3 Replacement Valve Replaced valve plug No 6/6/03 2-2-103 3 Replacement Piping connection Replaced flange studs & nuts No 8/20/03 2-3-002

NOC-AE-04001764 Page 8 of 8 Repair, 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 Pipe Support Removed and reinstalled pipe No 6/18/03 2-3-005 support 3 Replacement Valve Replaced ball No 4/12/03 2-3-006 3 Replacement Valve Replaced ball No 4/12/03 2-3-007 3 Replacement Valve Replaced ball No 2/16/03 2-3-008 3 Repair Piping connection Replaced flange & U-strap No 2/28/03 2-3-010 3 Repair Valve Grind off tack weld between No 11/16/03 2-3-021 disc and disc skirt & reweld 3 Replacement Pressurizer Relief Replaced valve No 7/24/03 2-3-022 valve 3 Replacement Pressurizer Relief Replaced valve No 9/11/03 2-3-037 valve 3 Replacement Pressurizer Relief Replaced valve No 10/16/03 2-3-038 valve 3 Repair Piping Replaced flange, studs & nuts No 12/18/03 2-3-053 3 Repair Piping & pipe Removed and rewelded pipe No 4/12/04 2-3-060 support and replaced pipe support 3 Repair Piping Replace dented piping and No 4/4/04 2-4-002 fittings 3 Replacement Piping & pipe Replaced piping, pipe support No 3/26/04 2-4-003 support and flange studs & nuts 3 Replacement Intercooler Replaced flange studs & nuts No 1/28/04 2-4-005 3 Repair RCP Motor air Machined indications on No 2/23/04 2-4-008 cooler flange face 3 Replacement RCP Motor air Replaced motor air coolers No 4/22/04 2-4-009 cooler 3 Replacement Standby Diesel Replaced bolts & nuts No 4/13/04 2-4-011 Generator 3 Replacement Piping Replace flange studs & nuts No 3/26/04 2-4-017 3 Replacement Piping Replace flange studs & nuts No 4/20/04 2-4-018 3 Replacement Turbine Driven Replaced snubber No 4/16/04 2-4-020 Aux. Feedwater pump 3 Repair Valve Machine valve disc plates No 4/11/04 2-4-026 3 Replacement Relief Valve Replaced valve No 4/17/04 2-4-034