CPSES-200701174, Submittal of Twelfth Refueling Outage (1RF12) Inservice Inspection Summary Report (1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - 08/03/2000, Second Interval)

Submittal of Twelfth Refueling Outage (1RF12) Inservice Inspection Summary Report (1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - 08/03/2000, Second Interval)

ML072130028
Person / Time
Site:	Comanche Peak
Issue date:	07/17/2007
From:	Blevins M, Madden F Luminant Power, TXU Generation Co, LP
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CPSES-200701174, TXX-07105
Download: ML072130028 (9)

Text

U Mike Blevins Lurninant Power Senior Vice President P0 Box 1002

& Chief Nuclear Officer 6322 North FM 56 Luminanft~r mike.blevins@luminant.com Glen Rose, TX 76043 T 254 897 5209 C 817 5599085 F 254 897 6652 CPSES-200701174 Ref. # 10CFR50.55a TXX-07105 July 17, 2007 U. S. Nuclear Regulatory Commission ATTIN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NO. 50-445 SUBMITTAL OF UNIT 1 TWELFTH REFUELING OUTAGE (1RF12) INSERVICE INSPECTION (ISI)

SUMMARY

REPORT (UNIT 1:1998 EDITION OF ASME CODE Y SECTION XI THROUGH 2000 ADDENDA, INTERVAL START DATE - AUGUST 3, 2000, SECOND INTERVAL)

Dear Sir or Madam:

In accordance with 10CFR50.55a, TXU Generation Company LP (Luminant Power) forwards the Inservice Inspection Summary Report for the twelfth refueling outage of CPSES Unit 1. The enclosed report is being provided to you pursuant to the ASME Boiler and Pressure Vessel Code,Section XI, paragraph IWA-6240(b). A copy of this report is also forwarded to the Chief Inspector in accordance with the Texas Boiler Law & Rules and Regulations, paragraph 65.100.g.4.

This communication contains no new licensing basis commitments regarding Comanche Peak Steam Electric Station (CPSES) Unit 1.

"-7 A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway

• Comanche Peak

• Diablo Canyon

• Palo Verde

• South Texas Project - Wolf Creek

U. S. Nuclear Regulatory Commission TXX-07105 Page 2

.07/17/2007 If you have any questions or need additional information regarding this matter, please feel free to contact Jack Hicks at (254) 897-6725.

Sincerely, TXU Generation Company LP By: TXU Generation Management Company LLC, Its General Partner Mike Blevins By: rd "* * --

/Fred W. Madden Director, Oversight & Regulatory Affairs Enclosure c- B. S. Mallett, Region IV M. C. Thadani, NRR Resident Inspectors, CPSES T. Parks, Chief Inspector, TDLR

ENCLOSURE to TXX-07105 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number -CPI;F'; ilnil 1RFI1 Owner TXU Power P.O. Box 1002 Glen Rose, Texas 76043 (Name and Address of Plant)

Plant Comanche Peak Steam Electric Station P.O. Box 1002 Glen Rose, Texas 76043 (Name and Address of Plant)

Unit No. 1 Commercial service August 13, 1990 Refueling outage no. 12 date Current inspection interval 2 (Ist, 2 nd, 3 rd, 4 th, other)

• Current inspection period 2 S(1 st, 2nd, 3rd)

Edition and Addenda of Section Xl applicable to the inspection plan 1998 Edition, 2000 Addenda Date and revision of inspection plan CPSES Unit 1 ISI Program Plan, Interval 2. Rev. 5, February 23, 2007 Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan. Same 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 N/A Expira N/A Sst, 2 nd, 3 rd, 4 th, other Signed R________ "__ D Date _ /_/ _ __

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 of Province Texas and employed by Hartford Steam Boiler Inspection and Insurance of Connecticut of Hartford, Connecticut have inspected the items described in this Owner's ActivityReport, during the period January 1, 2006 to June 30, 2007 , 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, replacement, evaluations and corrective measures described in 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 or con~nejwith t is 'spection.

Commissions /f( 'j( A"Jic/-rx<7i' Ins or's Signature National Board, State, Province and Endorsements Date ' --Is- 07 This form (EO0127) may be obtained from the Order Dept., ASME, 22 Law Drive, Box 2300, Fairfietd, NJ 07007-2300 OAR-1 Page 1 of 6

TABLE 1 ABSTRACT OF EXAMINATIONS AND TESTS Total Total Total Total Examinations Examinations Examinations Examinations Credited (%) to Examination Required For The Credited for This Credited (%) for Date for the Category Interval Period* The Period** Interval Remarks B-A 24 0 0 4 NOTE 3 B-B 8 0 0 50 NOTE 9 B-D 36 2 100 47 NOTE 10 B-F 4 0 100 100 B-G-1 166 162 '100 98 NOTE 4 B-G-2 30 8 100 60 NOTE 4 B-J 30 12 100 100 B-K 14 4 100 57 NOTE 7 B-L-1 1 0 0 0 NOTES 1,3 B-L-2 1 0 0 0 NOTES 1,4 B-M-2 4 0 0 25 NOTES 1,4 B-N-1 "3 1 100 66 NOTE 2 B-N-2 1 0 0 0 NOTE 3 B-N-3 1 0 0 0 NOTE 3 B-0 4 0 0 25 NOTE 3 B-P NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTES 2,5 B-Q NOTE 8 NOTE 8 NOTE 8 NOTE 8 NOTES 2,8 C-A 19 6 100 58 C-B 8 2 100 50 C-C 101 37 95 61 C-D 1 0 .0 0 C-F-1 17 6 100 100 C-F-2 1 0 0 100 C-G 6 2 100 66

• This column is interpreted to represent the cumulative number of exams performed to date in this period.

• • This column is interpreted to represent the cumulative percentage of scheduled exams for the interval which have completed ini this period to date.

OAR-1 Page 2 of 6

TABLE 1 ABSTRACT OF EXAMINATIONS AND TESTS Total Total Total Total Examinations Examinations Examinations Examinations Credited (%) to Examination Required For The Credited for This Credited (%) for Date for the Category Interval Period* The Period** Interval Remarks C-H NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 D-A 171 77 103 67 D-B NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 F-A F1.10 62 33 97 53 F-A F1.20 106 41 89 39 F-A F1.30 132 64 97 48 F-A F1.40 49 37 100 75 F-B 139 14 100 100 F-C 442 59 100 100 R-A 88. 26 100 29 NOTE 6

___ .1 ___ 1 ___ 1___ 1 ___ 1 ___

4 . 1 4 4- 4-

-t I I

• This column is interpreted to represent the cumulative number of exams performed to date in this period.

This column is interpreted to represent the cumulative percentage of scheduled exams for the interval which have completed ini this period to date.

OAR-1 Page 3 of 6

Notes:

1. Examinations for pumps and valves are limited to components selected for examination under Examination Categories B-L-i, B-L-2, and B-M-2.

2. Examination Categories B-N-i, B-P, and B-Q do not have to follow the required percentages of Table IWB-2412-1.

3. Examinations for Examination Categories B-A, B-L-1, B-N-2, B-N-3, and B-O may be deferred to the end of the inspection internal.

4. Examinations of Examination Categories B-G-l, B-G-2, B-L-2, and B-M-2 may be deferred until disassembly of a component for maintenance, repair/replacement, or volumetric examination.

5. Visual Examinations (VT-2) for system leakage tests are performed each fuel cycle, period, and interval, according to the requirements of IWA-2212 and IWA-5240. All of the required VT-2 examinations are completed for this fuel cycle and period.

6. Examination Category R-A includes previous Examination Categories B-F, B-J, C-F-i, and C-F-2.

7. Examination Category B-K for this period includes one Category B-K-1 examination that was completed in 1RF10.

8. Examination Category B-Q, Steam Generator Tubing, is reported per the requirements of the Plant Technical Specifications. Since four new steam generators were installed in 1RF12, no Eddy Current testing was performed for ISI.

9. Replacement of four Steam Generators with four new Steam Generators in !RF12 removes three Steam Generator Category B-B welds, which were scheduled for examination in the second period. Refer to EVAL-2005-001089-02-00.

10. Replacement of four Steam Generators with four new Steam Generators in 1RF12 removes six Steam Generator Category B-D welds, which were scheduled for examination in the second period. Refer to EVAL-2005-001089-02-00. Two Pressurizer Category B-D welds were rescheduled and examined in 1RF12 and the second period.

OAR-1 Page 4 of 6

TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Flaw Flaw or Relevant Condition Found Examination Item Item Description Characterization During Scheduled Section XI Category Number (IWA-3300) Examination or Test (Yes or No)

D-B D2.10 Three air teaks identified during DG Train A N/A Yes VT-2 system pressure test per pkg 1-DG-2 la (WO 3-06-343622-01). SMF 2007-000405 written. Repaired teaks in WOs 4-07-172554-00, 4-07-172563-00, and 4-07-172564-00.

VT-2 examinations were re-performed for each connection and were found satisfactory, with no leakage identified.

D-B 02.10 Two air leaks identified during DG Train B N/A Yes VT-2 system pressure test per pkg 1 -DG-2 lb (WO 3-06-343625-01). SMF-2007-000479 written. Repaired teaks in WOs 4 172600-00 and 4-07-172601 -00. VT-2 examinations were re-performed for each connection and were found satisfactory, with no leakage identified.

D-B D2.10 Small leak identified at flange of CPX- N/A Yes SFAHSF-02(SFP HX) during VT-2 system pressure test per pkg 1 -SF-2-2-1 b (WO 3 345138-01). SMF-2007-001739 written.

Repair in- process per WO 4-07-174337-00 and has been completed, with VT-2 examination re-performed for the connection and found satisfactory, with no leakage identified.

0

_________________ ___________________________________I ___________________________ _____________________________________________

OAR-1.

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TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Flaw or Relevant Condition Found Repair, During Scheduled Repair/

Replacement Section XI Replacement Code or Corrective Item Description Examination or Date Plan Class Measure Description of Work Test (Yes/No) Complete Number 3 Replacement Flange Replaced corroded flange No 3/23/07 1SW07-001 3 Replacement Vacuum Breaker Replaced due to failed as found pressure test No 3/19/07 1SW07-003 3 Replacement Vacuum Breaker Replaced due to failed as found pressure test No 3/5/07 1SW07-004 OAR-1 Page 6 of 6