NL-08-110, Summary Reports for In-Service Inspection and Repairs for Replacements

Summary Reports for In-Service Inspection and Repairs for Replacements

ML082030469
Person / Time
Site:	Indian Point
Issue date:	07/14/2008
From:	Robert Walpole Entergy Nuclear Northeast
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NL-08-110
Download: ML082030469 (6)

Text

Enteray Nuclear Northeast Indian Point Energy Center 450 Broadway, GSB P.O. Box 249 SEntergy Buchanan, NY 10511-0249 July 14, 2008 Re: Indian Point Unit 2 Docket No. 50-247 NL-08-110 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Stop O-P1-17 Washington, DC 20555-0001

Subject:

2008 Summary Reports for In-Service Inspection and Repairs or Replacements at Indian Point Unit 2

Dear Sir:

In accordance with ASME Section Xl, Code Case N-532-4, "Repair/Replacement Activity Documentation Requirements and Inservice Summary Report Preparation and Submission,"

Indian Point Nuclear Generating Unit No. 2 (IP2) hereby submits 2008 Form OAR-i, Owners Activity Report for Inservice Inspections. This report describes relevant conditions that required evaluation and repairs and replacements performed during the period June 2006 through April 2008. IP2's fourth ten year interval began March 1, 2007.

There are no new commitments being made in this submittal.

If you have any questions or require additional information, please contact me at (914) 734-6710.

Sincerely, Manager, Licensing Indian Point Energy Center

-AN7

NL-08-1 10 Docket No. 50-247 Page 2 of 2

Enclosure:

1. IP2 Owners Activity Report (OAR), First Period, Fourth Interval

• Table 1 - Items with Flaws or Relevant Conditions that Required Evaluation for Continued Service

• Table 2 - Abstract of Repair/Replacement Activities Required for Continued Service cc: Mr. Samuel J. Collins, Regional Administrator, NRC Region I Mr. John Boska, Senior Project Manager, NRC NRR DORL NRC Resident Inspector's Office, Indian Point 2 Mr. Paul Eddy, New York State Dept. of Public Service

ENCLOSURE 1 TO NL-08-110 IP2 OWNERS ACTIVITY REPORT (OAR), FIRST OUTAGE, FIRST PERIOD, FOURTH INTERVAL

• Table 1 - Items with Flaws or Relevant Conditions that Required Evaluation for Continued Service

• Table 2 - Abstract of Repair/Replacement Activities Required for Continued Service ENTERGY NUCLEAR OPERATIONS, INC.

INDIAN POINT NUCLEAR GENERATING UNIT NO. 2 DOCKET NO. 50-247

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number NL-08-1 10 Plant Indian Point Energy Center, Buchanan, New York 10511-0249 Unit No. 2 Commercial service date 08/01/1974 Refueling outage no. 2R18 (ifapplicable)

Current inspection interval 4 th (1st, 2nd, 3rd, 4th, Other)

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

Edition and Addenda of Section XI applicable to the inspection plans 2001 Edition, 2003 Addenda Date and revision of inspection plans: March 1. 2007 / ISI Program Plan, Rev. 0 No. IP-RPT-06-00097 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans -SAME-Code Cases used: N-416-2, N-532-4 (if applicable)

CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b)the examinations and tests meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of 2R18 conform to the requirements of Section XI.

(refueling outage number)

Signed _V; "ytX0 / 5OP&,RV(S-AI5 Date 7I2I-

"Own4r 5r 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 New York and employed by HSB-CT of Hartford, Connecticut__ have inspected the items described in this Owner's Activity Report, 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 repair/replacement activities and evaluation 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 loss of any kind arising from or connected with this inspection.

______________________ Commissions ,

Inspector's Signature National Board, State, Province, and Endorsements Date 4/,

2R18 Refueling Outage IP2 Owner Activity Report First Period ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION

........ -. FOR CONTINUED SERVICE Examination Category and I

Item Number Item Descrition Evaluation Description D-A / Dl1.20 Piping Welded Attachment / SWN 15 CR-lP2-2008-1 732 - Flaking corrosion was found at the pipe to plate attachment weld. Engineering evaluated the condition and the indication was accepted as is.

E-A / El1.11 Accessible Surface Areas of the CR-IP2-2008-1892 - During ISI of the VC liner, loose and bulging insulation panels were noted. Engineering Containment Liner evaluated the condition and the condition was accepted as is.

F-A / F1.10 Class 1 Piping Support / 64 SR 23 CR-IP2-2008-1614 - A loose nut was found on top of the u-bolt. Engineering evaluated the condition and the indication was accepted as is, however, the nut was tightened for future design configuration.

l F-At F.10 Class I Piping Support / ACH 517 ICR-1P2-2008-1818 - The top of the rod on the spring can was found bent, deflecting the scale indicator.

Engineering evaluated the condition and the indication was accepted as is.

F-A / F1.20 Class 2 Piping Support / SIH 41 CR-1P2-2008-1311 - Minor boron accumulation was noted between the top of the pipe and the support.

____________Engineering evaluated the condition and the indication was accepted as is.

F-A / F1.20 Class 2 Piping Support / SR 29 ICR-IP2-2008-1251 - Baseplate dimensions did not match the drawing. Engineering evaluated the condition and the indication was accepted as is.

F-A / F1.20 Class 2 Piping Support / SR 63 *CR-IP2-2008-1438 - The baseplate was found pulled 1/16" from the wall and the flange at each side

____________________________deflected by 1/2". Engineering evaluated the condition and the indication was accepted as is P-A / P1.20 Class 2 Piping Support / SR 68 CR-1P2-2008-1437 - The baseplate was found pulled 1/8" from the wall. Engineering evaluated the condition

and the indication was accepted as is.

F-A / P1.30 Class 3 Piping Support / ACH 204 CR-1P2-2008-1615 - Grout on one corner of baseplate was missing. Engineering evaluated the condition and the indication was accepted as is.

F-A / F1.30 Class 3 Piping Support / SR 405B CR-IP2-2008-1436 - Spherical bushing found to have corrosion. Engineering evaluated the condition and the indication was accepted as is.

F-A / P1.30 Class 3 Piping Support / SR 431A CR-IP2-2008-1731 - Locknut on the rigid strut was loose and backed off and the spherical bearings on both paddles were rusted. Engineering evaluated the condition and the indication was accepted as is.

F-A / P1.30 Class 3 Piping Support / SWH 188 CR-1P2-2008-1435 - One lock nut loose and one locknut not up 1" from the lower nut. Engineering evaluated the condition and the indication was accepted as is.

F-A / P1.40 Supports Other Than Piping Supports / 22 CR-1P2-2008-1733 - Locknuts did not have full thread engagement. Engineering evaluated the condition and RHR Heat Exchanger the indication was accepted as is.

7/2/2008 OAR- 1

2R18 Refueling Outage IP2 Owner Activity Report First Period TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Item Description Description of Work Date Completed RepairlReplacement Plan Code Class at Number C SWN-71-5A Repair pipe wall 9/13/06 06-2-77 B 23 Charging Pump Replace fluid cylinder block 10/15/06 06-2-83 C SWN-81 Replace weld neck flange 4/12/08 06-2-84 B FCV-1 1OA Replace piping 5/11/07 07-2-09 B FCV-11OA Repair valve body 5/11/07 07-2-12 B 23 Charging Pump Stabilizer Separator Repair threadolet 1/7/08 07-2-29 C Line 408 Replace 18" Tee 4/10/08 07-2-41 C SWN-71-5B Repair pipe wall 1/16/08 07-2-77 MC Valve 5459 Replace bonnet assembly 4/14/08 08-2-05 C Valve SWN-76-1 Replace tail piece and valve 4/6/08 08-2-06 C Line 406 Replace line section and repair pipe Tee 4/10/08 08-2-11 C Line 405 Repair base metal 4/8/08 08-2-40 MC Valve IA-39 Replace valve piston 4/5/08 08-2-41 C Line 408 Repair pipe wall at FW-1367 4/10/08 08-2-50 C Line 406 Repair Field Weld 2 4/10/08 08-2-52 MC Valve 1616 Replace valve piston 4/10/08 08-2-55 MC Valve IA-39 Replace valve and piping 4/12/08 08-2-56 C Valve SWN-66-2 Replace flexible coupling 4/14/08 08-2-63 7/10/2008 OAR-1