NLS2013031, Inservice Inspection OAR-I Owner'S Activity Report

Inservice Inspection OAR-I Owner'S Activity Report

ML13072A617
Person / Time
Site:	Cooper
Issue date:	02/27/2013
From:	Vanderkamp D Nebraska Public Power District (NPPD)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NLS2013031
Download: ML13072A617 (3)

Text

H Nebraska Public Power District Always there when you need us NLS2013031 February 27, 2013 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

Subject:

Inservice Inspection OAR-I Owner's Activity Report Cooper Nuclear Station, Docket No. 50-298, DPR-46

Dear Sir or Madam:

The purpose of this letter is to provide to the Nuclear Regulatory Commission the Inservice Inspection OAR-I Owner's Activity Report for the Fall 2012 Refueling Outage at Cooper Nuclear Station (CNS). This report is submitted in accordance with the requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code,Section XI, Code Case N-532-4. The enclosure contains the completed OAR-1 Owner's Activity Report form, a table identifying the description of items with flaws or relevant conditions that required evaluation for continued service, and a table providing an abstract of repair/replacement activities required for continued service.

This letter does not contain commitments.

Should you have any questions regarding this matter, please contact me at (402) 825-2904.

Sincerely,

/sh

Enclosure:

OAR- I Owner's Activity Report cc: Regional Administrator w/enclosure Cooper Project Manager w/enclosure USNRC - Region IV USNRC - NRR Project Directorate IV- 1 Senior Resident Inspector w/enclosure NPG Distribution w/o enclosure USNRC - CNS CNS Records w/enclosure COOPER NUCLEAR STATION P.O. Box 98 / Brownville, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 www.nppd.com 40(-7~L

Cooper Nuclear Station Form OAR-1 Owner's Activity Report Report Number RE27-1 Plant Cooper Nuclear Station, P.O. Box 98, 72676 648A Ave, Brownville, NE 68321 (Name and Address of Plant)

Unit No. 1 Commercial Service Date 7/1/1974 Refueling Outage No. RE27 (if applicable)

Current Inspection Interval 4th Interval (Class 1, 2, 3); 2nd Interval (Class MC)

(1st, 2nd, 3rd, 4th, other)

Current Inspection Period 3rd Period (Class 1, 2, 3); 2nd Period (Class MC)

(1st, 2nd, 3rd)

Edition and Addenda of Section XI applicable to the inspection plans 2001 Edition, 2003 Addenda Date and Revision of inspection plans Rev 2.7 for Class 1, 2, 3 approved on 9/26/12; Rev 1.2 for Class MC approved on 9/24712 ,

Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same Code Case used: N-460, N-686 (approved via Relief Request RI-37); N-532-4; N-513-3 (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 RE27 conform to the requirements of Section Xl. (Refueling Outage Number)

Signed Troy Barker-Engineering Programs & Components Manager/ Date .2__7_/_ _ _ _ _

Owners 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 Nebraska and employed by HSBCT of Hartford, Connecticut have inspected the items described in this Owner's ActivityReport, 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.

Kurt Saltzman Commissions ,/0t83 i/oq-7 4//? T--C, AJ)

Inspector's Sieature National Board, State, Province, and Endorsements Date OPL1071,-6 l

Page 1 - 1

Cooper Nuclear Station Table 1 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Item Description Evaluation Description Category and Item Number D2.10 Pressure retaining components A through wall leak was discovered on a Class 3 Service Water pipe and documented in CR-CNS-2012-5723. The leak was evaluated under Code Case N-513-3 as acceptable until a repair could be performed during next refueling outage. The through wall leakage was attributed to under-deposit corrosion. The leak was repaired under Repair/Replacement Plan No.12-064.

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Repair/Replacement Plan Code Class Item Description Description of Work Date Completed Number 3 SW-Pipe Weld Repair piping 10/20/2011 11-036 3 SW-Pipe Weld Repair piping 11/02/2012 12-064