CP-200800928, Submittal of Tenth Refueling Outage (2RF10) Inservice Inspection (ISI) Summary Report (Unit 2: 1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - August 3, 2004, Second Interval)

Submittal of Tenth Refueling Outage (2RF10) Inservice Inspection (ISI) Summary Report (Unit 2: 1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - August 3, 2004, Second Interval)

ML082000122
Person / Time
Site:	Comanche Peak
Issue date:	07/10/2008
From:	Blevins M Luminant Generation Co, Luminant Power
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CP-200800928, TXX-08098
Download: ML082000122 (8)

Text

u Mike Blevins Luminant Power Senior Vice President P 0 Box 1002

& Chief Nuclear Officer 6322 North FM 56 mike.blevins@luminant.com Glen Rose, TX 76043 T 254 897 5209 C 817 559 9085 F 254 897,6652 CP-200800928 Ref. # 10CFR50.55a TXX(-08098 July 10, 2008 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK NUCLEAR POWER PLANT (CPNPP)

DOCKET NO. 50-446 SUBMITTAL OF UNIT 2 TENTH REFUELING OUTAGE (2RF10) INSERVICE INSPECTION (ISI)

SUMMARY

REPORT (UNIT 2:1998 EDITION OF ASME CODE SECTION XI THROUGH 2000 ADDENDA, INTERVAL START DATE - AUGUST 3, 2004, SECOND INTERVAL)

Dear Sir or Madam:

In accordance with 10CFR50.55a, Luminant Generation Company LLC (Luminant Power) forwards the Inservice Inspection Summary Report for the tenth refueling outage of CPNPP Unit 2. 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 CPNPP Unit 2.

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance ACFr7 Callaway Comanche Peak

• Diablo Canyon

• Palo Verde - San Onofre

• South Texas Project Wolf Creek.

U. S. Nuclear Regulatory Commission TXX-08098 Page 2 07/10/2008 If you have any questions or need additional information regarding this matter, please feel free to contact Jack Hicks at (254) 897-6725.

Sincerely, Luminant Generation Company LLC Mike Blevins By: 6

/FredW._Madden Director, Oversight & Regulatory Affairs Enclosure c- E. E. Collins, Region IV B. K. Singal, NRR Resident Inspectors, Comanche Peak A. Jones, Chief Inspector, TDLR B. Welch, ANII, Comanche Peak

ENCLOSURE to TXX-08098 FORM OAR- I OWNER'S ACTITY REPORT Report Number CPSES U2 2RF10 Owner Luminant 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) 3 Unit No. 2 Commercial service date August 3, 19934 W" ri,0c16 Refueling outage no. 10 Current inspection interva 2 (0st, 2 nd, 3 rd 4 th% other)

Current inspection period 2 list, 2 nd, 3 rd)

Edition and Addenda of Section Xl applicable to the inspection plan 1998 Edition, 2000 Addenda Date and revision of inspection plan CPSES ISI Program Plan, Interval 2, Rev. 3. February 28, 2008 Edition and Addenda of Section Xl 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 Expiration Date N/A if applicable Signed o Ownr r s Date 7) 2itoe 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 Hartford Steam Boiler Inspection and Insurance Company of Connecticut, have inspected the items described in thisOwner's Activity Report, during the period of January 15, 2007 to June 30, 2008, 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 the connected with this inspection.

Commissions .. ( ,

Inspect r's, gnature National Board, State, Province and Endorsements Date 1-1-04/

This form (E00127) may be obtained from the Order Dept., ASME, 22 Law Drive, Box 2300, Fairfield, NJ 07007-2300

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-B1 8 1 25 38 B-D 36 4 67 39 B-G-1 165 0 0 0 NOTE 4 B-G-2 19 3 50 37 NOTE 4 B-K 8 1 25 38 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 67 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 0 NOTE 3 B-P NOTE 5 - NOTE 5 NOTE 5 NOTE 5 NOTES 2, 5 B-Q NOTE 7 NOTE 7 NOTE 7 NOTE 7 NOTE 7 C-A 19 6 60 53 C-B 8 0 0 25 C-C 95 22 56 49 C-D 1 0 0 100 C-G 6 0 0 33 C-H NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 D-A 140 17 33 41 D-B NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 F-A F1i10 85 14 52 38 F-A F1.20 252 35 34 38 F-A F1.30 168 26 39 48 F-A F1.40 102 23 52 54 R-A 144 20 35 41 NOTE 6 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 been completed to date in this period.

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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-1 and B-P 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 interval.

4. Examinations for Examination Categories B-G-1, 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 required VT-2 examinations have been completed for this fuel cycle, except for portions of CS system in Work Orders 408602 and 409739, scheduled for examinations during the weeks of 8/03/08 and 8/10/08, respectively. In addition, examination of the piping and HX in the Regen HX Room was not completed because of dose concerns (no surveys readily available) coming down in power for 2RF10. This portion of the test(-3a 1 along with -3a2), which are identified in VT-2 package 2-CS-2-2-3a 1 and -3a2, will be rescheduled for 2RF12.

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

7. Examination Category B-Q, Steam Generator Tubing, is reported per the requirements of the Plant Technical Specifications.

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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)

F-A F1.10 RI-Recordable Indication- N/A Yes Broken cotter pin in pipe clamp. Pin was intact and support was functional. SMF-2008-001122 written. Removed cotter pin and replaced with rue ring. Re-examination of the pipe support was conducted and was acceptable.

C-C C3.20 RI-Recordable Indication- Surface Planar flaw Yes 1/4" linear indication identified on the weld of a saddle to the pipe, Evaluated per ASME Section Xl Code and found acceptable as-is.

Reference SMF-2008-001250.

t I I

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

Replacement Scheduled Replaceme Code or Corrective Item Description Section XI Date nt Class Measure Description of Work Examination or Complet Plan Test (Yes/No) e Number 1 Repair Steam Generator Flange Installed Helicoil No 4/16/08 2RC08-004

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I I J.

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