CPSES-200501960, Submittal of Revised Unit 2 Eighth Refueling Outage Inservice Inspection Summary Report

From kanterella
(Redirected from ML052850272)
Jump to navigation Jump to search
Submittal of Revised Unit 2 Eighth Refueling Outage Inservice Inspection Summary Report
ML052850272
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 10/03/2005
From: Blevins M, Madden F
TXU Generation Co, LP, TXU Power
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
CPSES-200501960, TXX-05149
Download: ML052850272 (9)


Text

f TXu Power TXII Power Mike Blewins Comanche Peak Stearn Senior Vice President &

Electric Station Chief Nuclear Officer P. O. Box 1002 (EO1)

Glen Rose, TX 76043 Tel: 254 897 5209 Ref. # 10CFR50.55a Fax 254 897 6652 mike.blevinstxuLcom CPSES-200501960 Log # TXX-05149 October 3, 2005 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NO. 50-446 SUBMITTAL OF REVISED UNIT 2 EIGHTH REFUELING OUTAGE (2RF08) INSERVICE INSPECTION (ISI)

SUMMARY

REPORT (UNIT 2:1998 EDITION OF ASME CODE SECTION XI, 1999 AND 2000 ADDENDA, INTERVAL START DATE -

AUGUST 3,2004, SECOND INTERVAL)

REF: TXU Power Letter TXX-05133, from Mike Blevins to U. S. Nuclear Regulatory Commission dated July 27, 2005.

Gentlemen:

This letter forwards the revised Inservice Inspection Summary Report for the eighth refueling outage of CPSES Unit 2. The summary report was submitted without the Authorized Nuclear Inservice Inspector (ANII) signature (see reference). The revised report contains the ANTI signature. 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.

4Aw7 A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway

  • Comanche Peak
  • Diablo Canyon
  • Palo Verde
  • Wolf Creek

TXX-05149 Page 2 of 2 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: *4 <7 Fred W. Madden L

Director, Regulatory Affairs JCH Enclosure c- B. S. Mallett, Region IV (clo)

M. C. Thadani, NRR (do)

Resident Inspectors, CPSES (do)

T. Parks, Chief Inspector, TDLR

ENCLOSURE to TXX-05149 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number CPSES U7 2RF08 Rev. 1 Owner TXU Power P. 0. Box 1002 Glen Rose, Texas 76043 (Name and Address or Owner)

Plant Comanche Peak Steam Electric Station P. 0. Box 1002 Glen Rose. Texas 76043 (Name and Address of Plant)

Unit No. 2 Commercial service date August 3, 1992 Refueling outage no. 8 Current inspection interval 2 (1¶, 2-, Y, 41-other)

Current inspection period 1 (11, 2r,r)

Edition and Addenda of Section Xi applicable to the inspection plan 1998 Edition, 2000 Addenda Date and revision of inspection plan CPSES ISI Program Plan, Int. 2, Rev. 0, August 3, 2004 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 o. N/A Expiration Date N/A

-~~~Iaso,},.pplIcable)

Signed j9D Date /3 c/o5 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 of

-I_____________ and employed by HA&IFetb i a RnrLeR 1 oI je. I Co. & Ca of & JrFLR4b, CT- have inspected the items described In this Owner's Activity Report, during the period January 16, 2004 to June 30, 2005 , 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 Ty / 7 7.3 Inspector's Signature National Board, State, Province and Endorsements Date q9hc/ts-f _ _

f =

OAR-1 Page 1 of 6

TABLE A ABSTRACT OF EKAMINATIONS 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 1 100 4 NOTE 3 B-B 8 0 0 0 B-D 36 0 0 0 B-G-1 165 0 0 0 NOTE 4 B-G-2 19 3 75 16 NOTE 4 B-K 8 0 0 0 B-L-1 1 0 0 0 NOTES 1, 3 B-L-2 I 0 0 0 NOTES 1,4 B-M-2 4 1 50 25 NOTES 1, 4 5-N-1 3 0 0 0 NOTE2 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 8 NOTE 8 NOTE 8 NOTE 8 NOTE 8 C-A 19 3 75 16 C-B B 2 100 25 C-C 95 13 59 14 C-D 1 0 0 0 C-F-2 8 0 0 0 NOTE 7 C-G 6 1 50 17 C-H NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 D-A 140 40 98 28 D-B NOTE 5 NOTE 5 NOTE 5 NOTE 5 NOTE 5 F-A F1.10 87 13 68 15 F-A F1.20 253 48 79 19 F-A F1.30 168 54 100 32 F-A F1.40 98 9 31 9 R-A 106 12 38 11 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 completed in this period to date.

OAR-1 Page 2 of 6

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-a 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 dissassembly 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. Alt required VT-2 examinations have been completed for this fuel cycle.
6. Examination Category R-A Includes previous Examination Categories B-F, B-J, C-F-1, and C-F-2, except for portions of Auxiliary Feedwater piping.
7. Examination Category C-F-2 is for Auxiliary Feedwater piping welds, 1.5' to 4.
8. Examination Category B-Q, Steam Generator Tubing, is reported per the requirements of the Plant Technical Specifications.

OAR-1 Page 3 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)

C-A C1.10 Recordable Indication (RI) Subservice planar flaw Yes Identified in weld. SMF 2005-001753 written. Previously identified in Pre-service inspection. Evaluated as acceptable with no significant Increase in length during plant service.

F-A F1.20 RI - Spring can indicator appears N/A Yes binding in can body. SMF 2005-001491 written. Evaluated as not a non-conforming condition.

Re-inspection not required.

Acceptable as is.

F-A F1.20 RI - Broken cotter pins in pipe N/A Yes damps. Pins intact, and thus, support was functional. SMF-2005-001233 written. Installed new cotter pins per WO 4 160847-00. Re-examined and found acceptable.

F-A F1.20 RI - Broken cotter pin In pipe N/A Yes clamp. Pin intact; and thus, support was functional. SMF-2005-001233 written. Installed new cotter pin per WO 4 160846-00. Re-examined and found acceptable.

F-A F1.30 RI - Screw on indicator cylinder N/A Yes of snubber was missing.

Snubber was determined to be functional. SMF-2005-000949 written. Installed new screw per WO 4-05-160505-00. Re-examined and found acceptable F-A F1.30 RI - Loose jam nut on upper N/A Yes support assembly. Snubber was determined to be functional.

SMF-2005-000953 written.

Tightened jam nut per WO 4 160511-00. Re-examined and found acceptable.

OAR-1 Page 4 of 6

Missing cotter pin found on a N/A Yes pipe support, not within ISI scope for 2RF08. Pin was Intact and thus, support was functional. SMF 2005-001233 written. Installed new cotter pin per WO 4-05-100388-00. Re-examined and found acceptable Leaks identified on Starting Air 'N/A Yes system for Diesel Generator.

System determined to be operable. SMF 2005-000951 written. Work Orders corrected most of leakage in 2RF08, with othr minor leakage to be addressed in 2RF09.

4.

4 +

4. 4.

4.

4. 4.
4. 4.

OAR-1 Page 5 of 6

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 1 Corrective Measure 2-88188 RHR to CL 2-02 INJ Chk Valve Seal weld body to bonnet No 4-25-05 2SI-05-004 1 Corrective Measure 2-881 8C RHR to CL 2-03 INJ Chk Valve Seal weld body to bonnet No 4-25-05 2SI-05-005 OAR-1 Page 6 of 6