CP-201100852, Submittal of 12th Refueling Outage (2RF12) Inservice Inspection (ISI) Summary Report (1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - August 4,2004, Second Interval)

Submittal of 12th Refueling Outage (2RF12) Inservice Inspection (ISI) Summary Report (1998 Edition of ASME Code Section XI Through 2000 Addenda, Interval Start Date - August 4,2004, Second Interval)

ML11210B416
Person / Time
Site:	Comanche Peak
Issue date:	07/21/2011
From:	Flores R, Madden F Luminant Power
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CP-201100852, TXX-11079
Download: ML11210B416 (8)

Text

Rafael Flores Luminant Power Senior Vice President P 0 Box 1002

& Chief Nuclear Officer 6322 North FM 56 Rafael.Flores@Luminant.com Glen Rose, TX 76043 Luminant 5 C 817 559 0403 F 254 897 6652 CP-201100852 Ref. # 10CFR50.55a Log # TXX-11079 July 21, 2011 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK NUCLEAR POWER PLANT DOCKET NO. 50-446 SUBMITTAL OF UNIT 2 TWELVETH REFUELING OUTAGE (2RF12) INSERVICE INPSECTION (ISI)

SUMMARY

REPORT (1998 EDITION OF ASME CODE SECTION XI THROUGH 2000 ADDENDA, INTERVAL START DATE - AUGUST 4,2004, SECOND INTERVAL)

Dear Sir or Madam:

In accordance with 10CFR50o.55a, Luminant Generation Company LLC (Luminant Power) transmits the Inservice Inspection Summary Report for the twelveth refueling outage of Comanche Peak 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 commitments regarding Comanche Peak Unit 2.

Should you have any questions, please contact Mr. Jack Hicks at (254) 897-6725.

Sincerely, Luminant Generation Company LLC Rafael Flores By: * ***]*-

B Fred W. Madden Director, Oversight & Regulatory Affairs I

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance - (2-,

Callaway

• Comanche Peak

• Diablo Canyon - Palo Verde

• San Onofre - South Texas Project - Wolf Creek

U. S. Nuclear Regulatory Commission TXX-11079 Page 2 of 2 07/21/2011 RF12 ISI Summary Report c- E. E. Collins, Region IV B. K. Singal, NRR Resident Inspectors, Comanche Peak Anthony Jones, Chief Inspector, TDLR Kenneth Blake, ANII, Comanche Peak

ENCLOSURE TO TXX-11079 INSERVICE INSPECTION

SUMMARY

FOR UNIT 2 TWELVETH REFUELING OUTAGE

FORM OAR-I OWNER'S ACTIVITY REPORT Report Number CPSES U2 2RF12 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)

Unit No. 2 Commercial service date August 3, 1993 Refueling outage no. 12 Current inspection interval 2 (1", 2 "d,3 rd, 4 h, other)

Current inspection period (1st, 2 n 3 rd)

Edition and Addenda of Section Xl applicable to the inspection plan 1998 Edition, 2000 Addenda Date and revision of inspection plan CPSES ISl 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 Xl.

Certificate of Authorization No. N/A Expiration Date N/A if applicable Signed Date ili- i Aner or Owner's Designee, Tifle 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 Minnesota and employed by Hartford Steam Boiler Inspection and Insurance Company of Connecticut, have inspected the items described in this Owner's Activity Report, during the period of January 1, 2010 to June 30, 2011, 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 connected with this inspection.

Commissions 7ae 4Ad Boar d Poic

^4An os Endors Inspector's Signature National. Board, State, Province and Endorsements Date This form (EO01 27) may be obtained from the Order Dept., ASME, 22 Low Drive. Box 2300. Fairfield, NJ 07007-2300 OAR-1 Page 1 of 5

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 4 100 75 B-D 36 6 100 44 B-G-1 165 29 100 18 NOTES 4, 8 B-G-2 19 6 100 53 NOTE 4 B-K 8 4 100 75 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 2 100 67 NOTE 2 B-N-2 1 1 0 0 NOTE 3 B-N-3 1 1 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 10 100 73 C-B 8 2 100 50 C-C 95 43 100 72 C-D 1 0 0 100 C-G 6 2 100 67 C-H NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 D-A 140 51 100 65 D-B NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 F-A F1.10 85 26 96 52 F-A F1.20 252 107 100 67 F-A F1.30 168 66 100 66 F-A F1.40 102 44 100 75 R-A 176 94 100 75 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.

OAR-1 Page 2 of 5

NOTES:

1. Examinations for pumps and valves are limited to components selected for examination under Examination Categories B-L-1, 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. AJI required VT-2 examinations have been completed for this fuel cycle, except for the underground portions of the SW system in Work Orders 4158457 and 3975749, scheduled for examinations and evaluations during November, 2011.

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

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

8. Reactor vessel nuts and washers, Examination Category B-G-1, were replaced by hydranut assemblies during 2RF1 1(second outage of the second period), with 25% of the hydranut assemblies requiring examination in the third period. PSI of the hydranut assemblies were completed during 2RF1 1.

OAR-1 Page 3 of 5

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)

NONE

___ I___ I______ I_____ I________

OAR-1 Page 4 of 5

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

Replacement Found Replacement Code or Corrective Item Description During Date Plan Class Measure Description of Work Scheduled Comple Number Section XI te Examination or Test (Yes/No)

NONE OAR-1 Page 5 of 5