NG-11-0058, Inservice Inspection Report for Cycle 22 and Refueling Outage No. 22 of the Fourth 10-Year ISI Interval

Inservice Inspection Report for Cycle 22 and Refueling Outage No. 22 of the Fourth 10-Year ISI Interval

ML110630146
Person / Time
Site:	Duane Arnold
Issue date:	03/03/2011
From:	Costanzo C Nextera Energy, NextEra Energy Duane Arnold
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NG-11-0058
Download: ML110630146 (8)

Text

___________ - __ -.1 NEXTera M ENERGY~ I

~ DUANE

/ ARNOLD March 3, 2011 NG-11-0058 10 CFR 50.55a u.s. Nuclear Regulatory Commission

. ATTN: Document Control Desk Washington, DC 20555-0001 Duane Arnold Energy Center Docket 50-331 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 22 operations and Refueling Outage No. 22 (RF022) 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 Steve Catron at (319) 851-7234.

Christopher R. Costanzo 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-11-0058 Inservice Inspection Summary Report For Cycle 22 and RFO 22 6 Pages Follow

NextEra Energy Duane Arnold, LLC Duane Arnold Energy Center Inservice Inspection Summary Report For Cycle 22 and RFO 22 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 22 and Refueling Outage No. 22 (RFO22). No indications were found that required evaluation for continued service. RFO22 is the first outage of the second period in the fourth inspection interval, and includes Repair/Replacement Activities from March 5, 2009 (the last submittal) to December 9, 2010.

Section 2 OAR-1 Form Owner's Activity Report FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number __~N~G~-~11~-~OO~5~8~______________________________________________________

Plant Duane Arnold Energy Center, 3277 DAEC Road, Palo, IA 52324 Unit No. _ _--!..._ _ _ Commercial Service Date February 1, 1975 Refueling Outage No. _---:...R:::..F-=O:....-2=2=--_ ___

Current Inspection Interval .:....Fo""u"'rt..::!h.!...:.'-'In""te"..rv.:..:a"'-I_ _ _ _ _ _ _ _ _ _ _ _ _ _--'-_ _ _ _ _ _ _ _ _ _ _ __

Current Inspection period "'S""e""co"'n""'d'-'p"'e"..r"'io""d_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___

Edition and Addenda of Section XI applicable to the inspection plan _...:2""O",O...:..1-=E""d""it""io"",n~w,","it",h,_=2""O",O.:.:.3..:..A"",d:.:::d.:.:.en:..:.;d,,",a=____ _ _ _ ___

Date and revision of inspection plan _ _-,=O",c""to""b""e"-r!:.20"",,-,2,,,,O,-,1-,,,O...:..R-,,,e,,-!v.!..

. .><.6_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan _ _ _ __

Code Cases used: N-460, N504-2, N-504-4, N-532-4, N-552, N-638-1, N-686, N-702, 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,Section XI; and (c) the repairlreplacement activities and evaluations supporting the completion of RF022 conform to the requirements of Section XI.

Signed S; 'it"'e~V=ic=-ilg¥p;"'r~=-s~id-en':"'(- - - .J.,6-" ,E. ~~---------------

---

....::Ck., *~o~=.:' Date __---'-M=a::.:..r=chc:..=3'<..:2:.:0:..:.1-=-1_

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 Iowa 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 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/replacements 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 a loss of any kind arising from or connected with this inspection.

Commissions 13411 ANI, 15881A Inspector's Signature National Board, State, Province, and Endorsements Date March 3, 2011

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 None

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 1 N2A F002A Weld Weld Overlay 2/15/11 40043846-01 1 DCA-019-SH-4 Recirc Drain Replaced upper hanger rod on 9/20/10 A104115 Line Springcan Hanger spring can hanger, 1 N2C F002A Weld Remove surface defect following 12/09/10 40050708-01 crown removal 1 N2E F002A Weld Remove surface defect following 2/15/11 40050707-01 crown removal 2 HPCI Pump Suction Pipe Reestablish clearance between 5/27/09 A96143 Restraint HBB-8-SR-3. pipe clamp and pipe.

2 Detail B Hanger on FSK- Replaced both pipe clamp 9/21/10 A96550 3960B halves, bolting, & vertical member 2 1E-201A A RHR Heat Removed linear defects in upper 12/09/10 40051839-01 Exchanger nozzle & nozzle-to-head weld.

2 1E-201B B RHR Heat Replaced 34 damaged 1-8UNC 1/5/11 1283869-01 Exchanger X 11 3/4 studs 3 HBD-25-SG-145 Replaced missing nut 2/22/11 40053288-01 3 HDD001, ESW from 1E235A Replaced section of 1 1/2 copper 2/16/11 1381517-01 tubing 3 1E235B (HBD-025) Replaced bolting on inlet and 9/21/10 1148710 outlet flanges 3 1E237B Lube Cooler Head Replaced Lube Cooler Head 9/20/10 1148714 with a previously installed head 3 1E235B (HBD-026 Piping) Replaced waterbox studs & nuts 9/21/10 1148710 3 2 HBD-24 Pipe Support Modify ESW 2 HBD-24 PS-1 1/6/11 1382149-01 pipe support to obtain better base plate alignment