NG-13-0060, Inservice Inspection Report

Inservice Inspection Report

ML13053A092
Person / Time
Site:	Duane Arnold
Issue date:	02/21/2013
From:	Richard Anderson NextEra Energy Duane Arnold
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
NG-13-0060
Download: ML13053A092 (8)

Text

February 21, 2013 NG-13-0060 10 CFR 50.55a U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Duane Arnold Energy Center Docket 50-331 Renewed Op. License No. DPR-49 Inservice Inspection Report In accordance with the Code of Federal Regulations, Title 10, Part 50.55a, NextEra Energy Duane Arnold, LLC, submits the attached Inservice Inspection (lSI) Summary Report (Owner's Activity Report, Form OAR-1) for the Duane Arnold Energy Center (DAEC). This report has been prepared in accordance with Section XI of the American SOciety of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, 2001 Edition with addenda through 2003, and ASME Code Case N-532-4, as approved in Regulatory Guide 1.147. This report includes the examinations performed at the DAEC during Cycle 23 operations and Refueling Outage No. 23 (RF023) of the fourth 10-year lSI interval.

This letter contains no new commitments nor revises any previous commitments.

If you have any questions, please contact Thomas R. Byrne at (319) 851-7929.

7~c£j /'.

. ~rd L. Anders~~

Vice President, Duane Arnold Energy Center NextEra Energy Duane Arnold, LLC Enclosure NextEra Energy Duane Arnold, LLC, 3277 DAEC Road, Palo, IA 52324

ENCLOSURE TO NG-13-0060 Inservice Inspection Summary Report For Cycle 23 and RFO 23 6 Pages Follow

NextEra Energy Duane Arnold, LLC Duane Arnold Energy Center Inservice Inspection Summary Report For Cycle 23 and RFO 23 Duane Arnold Energy Center 3277 DAEC Rd Palo, IA 52324 Date of Commercial Service February 1, 1975

INDEX Summary..................................................................................................Section 1 OAR-1 Form, Owners Activity Report......................................................Section 2 Table 1 ....................................................................................................Section 3 Table 2 ....................................................................................................Section 4

Section 1 Summary The Duane Arnold Energy Center, Fourth Ten-Year Inservice Inspection (ISI) Plan was developed to comply with 10 CFR 50.55a(g), which implements, by reference, the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code,Section XI, 2001 Edition with 2003 Addenda.

The following summary report is being submitted pursuant to the reporting requirements of ASME Section XI as amended by ASME Code Case N-532-4.

This summary report contains the Form OAR-1 Owners Activity Report and Tables 1 and 2 of the Code Case for Duane Arnold Energy Center during Cycle 23 and Refueling Outage No. 23 (RFO23). Indications found on the Torus that required evaluation are included as part of Engineering Change EC-274627. RFO23 is the second outage of the second period in the fourth inspection interval. This report includes Repair/Replacement Activities from December 9, 2010 (the last submittal) to November 27, 2012.

Section 2 OAR-1 Form Owner's Activity Report FORM OAR-l OWNER'S ACTIVITY REPORT Report Number _~N,-,-G""---,-1,-=,3---,-O,-"O,,,-60,,----_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Plant Duane Arnold Energy Center, 3277 DAEC Road, Palo, IA 52324 Unit No. _ _--'~_ _ Commercial Service Date _ _.:.F-",eb",ru""",arv,-,-,1,,-,-,,1~9-,-75,,---__ Refueling Outage No. ___RF"""--"'O'-'-2"'3<--_ _ __

Current Inspection Interval =-F""ourth="'-=In""te""rv"'-"'al'--_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___

Current Inspection period ~S~ec~o~n~d~p~e~ri~od~ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___

Edition and Addenda of Section XI applicable to the inspection plan _-"2""OO""1"-,,=E,,,,di,,,,'h",'0"'n'-'w-'-'i"'th""'2""O"'O'-=3'-'A'""d""d~e""n""d"'_a_ _ _ _ _ _ _ _ __

Date and revision of inspection plan ____A"""'u/iCgu"'s""t""2""L....,2""O""1""2---"'R"'e:.r.v'-'.8"--_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan --"S""a"'m"""e_ _ _ _ ___

CodeCasesused:_~N~-"""5~32~-~4 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___

CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this Owner's Activity Report are correct; (b) and the examinations and tests met the Inspection Plan as required by the ASME Code, Sectio XI; and (c) the repair/replacement activities and evaluations supporting the completion of RF022 co the equir nts n XI .

Signed -~~~.I..oC.:I~-,.~f-.-2--I-............~~~-~--------- Date February 20,2013 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 ofIowa and employed by HSBCT 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 perfo=ed 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/replacements activities and evaluation described in this report. Furthe=ore, 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 _ _ _ _"-'NB~124""08""AN~I"","""IA~16'""2""2_ _ _ _ __

National Board, State, Province, and Endorsements

Section 3 Table 1 Items with Flaws or Relevant Condition that Required Evaluation for Continued Service Examination Category and Item Number Item Description Evaluation Description IWE Torus Shell Thickness EC 274627 Item 1.3.5.3 E-A1.11, E-A1.12 Accessible areas and Wetted evaluation of pits with Areas comparison to allowable corrosion allowance in accordance with calculation CAL-M12-030

Section 4 Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Date Repair / Replacement Item Description Description of Work Class Completed Plan number 2 ECB008 1.5 four bolt pipe clamp 5/31/12 40148952-01 (replaced bolting) 2 HBB-008-SR-004 Install replacement strut 11/9/12 40081340-01 2 EBB-14-H-14 HPCI Pipe Hanger threaded rod 1/7/13 1287016-01 replacement 3 1E053B Weld and machine channel head 1/31/13 40132849-11 cover IWE Torus Weld repair of pits 11/6/12 40132857-75 IWE Torus Weld repair of structural fillet 11/6/12 40132857-78 welds