NLS2017006, Inservice Inspection OAR-1 Owner'S Activity Report

Inservice Inspection OAR-1 Owner'S Activity Report

ML17053A104
Person / Time
Site:	Cooper
Issue date:	02/02/2017
From:	Shaw J Nebraska Public Power District (NPPD)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NLS2017006
Download: ML17053A104 (5)

Text

H Nebraska Public Power District Alwa1s t_here when 1ou need us NLS2017006 February 2, 2017 U.S. Nuelear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

Subject:

Inservice Inspection OAR-I Owner's Activity Report Cooper Nucl~ar 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-1 Owner's Activity Report for the Fall 2016 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-532-5. 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) 825-2788.

Sincerely, tifY haw sing Manager

/bk

Enclosure:

OAR-1 Owner's Activity Report cc: Regional Administrator w/enclosure Cooper Project Manager w/enclosure USNRC - Region IV USNRC - NRR Plant Licensing Branch IV Senior Resident Inspector w/enclosure NPG Distribution w/o enclosure USNRC-CNS CNS Records w/enclosure COOPER NUCLEAR STATION P.O. Box 9B /Brownville, NE 68321-0098 Telephone: (402) 825*3811 /Fax.: (402) 825-5211 www.nppd.com

NLS2017006 Enclosure Page 1of4 Enclosure OAR-1 Owner's Activity Report

CooperNuc~arS~tion Form OAR-1 Owner's Activity Report Report Number RE29-1 Plane Cooper Nudear Station, P.O. Box 98, 72676 646A Ave, Brownville, NE 68321 (Name and Address or Plant)

Unit No. Commercial Service Date _7_11_1_19_7_4_ _ _ _ _ Refueling Outage No. _R_E_2_9_ _ _ _ _ _ __

(ii applicable)

Current Inspection lnlerval 5th Interval (Class 1, 2. J); 3rd Interval (Class MC)

(1st. 2nd. 3n:f. 4th. other)

Current Inspection Per1od 1sl Period (Class 1, 2, 3, MC)

(1sl. 2nd. 3n:f)

Edition and Addenda of Section XI applicable to the inspection plans 2007 Edition, 2008 Addenda Date and Revision of inspection plans 3/30/16, Revision 0 (Class 1. 2, 3 combined)

Edition and Addenda of Section XI applicable to repair/replacement activities. if different than the Inspection plans Same Code Case used: N-513-3, N-532-5 (If applicable)

CERTIFICATE OF CONFORMANCE I certlfy that (a) the statements made in this report are correct; (b) the examinations and tests meet the lnspoclion Plan as required by the ASME Code,Section XI; and (c) the*repalr/replacemenl activities and evaluatlons S\Jpportfng the oompletlon of RE29 con fo nn to the requirements of Section XI. 2 .I~~

~---.,,=--:--,,.---,,.-,--,..,-----

(Refueling Outage Number)

Signed Troy Baiter-Engineering P.:c;-ran:~~nents Managed Da1e___,l,,.~.......;.2...;;3::;;;;..,./f;<-_J+7__________

Owners or Owner's Designee. Title CERTIFICATE Of INSERVICE INSPECTION I, the undersigned, holding e valid commission Issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Provines of Nebraska end employed by Hartford Steam Boller lnepoction and Insurance Company of Hartford, Conn~ticut*

have inspected the items described In this Owner's ActlvilyReport, end state that, to the best of my knowledge end belief, Iha Owner has performed all activiUes represented by this report in acoordanca with the requirements of Section XI.

By signing this certificate neither the Inspector nor his employer makes any warranty, eXjlressed or implied, ooncerning the repair/replacement activities and evaluation described in this report. Furthennore, 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 inspectlon.

Page 1 - 1

NLS2017006 Enclosure Page 3of4 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 0-8, 02.10 On 8/23/2016, a four (4) inch diameter piping section This pipe section was evaluated to allow continued operation until it could be of the service water system between valve SW-V-127 repaired in refueling outage RE-29 by application of Code Case N-513-3.

and a soc-o-let was identified as having a through wall leak per station work order 5121122. The condition was entered into the station corrective action program per CR-CNS-2016-04984.

On 8/30/2016, areas of wall thickness below the design This pipe section was evaluated to allow continued operation until it could be 0-B, 02.10 minimum were identified in an eighteen {18) inch repaired in refueling outage RE-29 by application of Code Case N-513-3.

diameter service water piping section SW-E-9-2851-2 per station work order 5121084. The condition was entered into the station corrective action program per CR-CNS-2016-05167.

0-B, 02.10 On 9/13/2016, areas of wall thinning below the This pipe section was evaluated to allow continued operation until it could be minimum design wall thickness were discovered in an repaired in refueling outage RE-29.

eighteen {18) inch diameter service water piping section SW-Z4-2851-7 per station work order 5120799. The condition was entered into the station corrective action program per CR-CNS-2016-05558.

On 9/15/2016, areas of wall thinning below the. This pipe section was evaluated to allow continued operation until it could be 0-B, 02.10 minimum design wall thickness were discovered in an repaired in refueling outage RE-29.

eighteen {18) inch diameter service water piping section SW-E-3-2851-3 per station work order 512'1085. The condition was entered into the station corrective action program per CR-CNS-2016-05628.

NLS2017006 Enclosure Page 4 of 4 COOPER NUCLEAR STATION TABLE 2

.ABSTRACT OF *REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Description of Work Date Repair/

Class Completed Replacement Plan Number 3 As identified in Table 1 above, the through wall leak Section of the through wall flaw was replaced 11/2/2016 16-021 identified in a service water system piping sectio.n under station work order 5147447.

between valve SW-V-127 and a soc-o-let was repaired in refueling outage RE-29.

3 As identified in Table 1 above, the wall thinning The affected section of piping was replaced under 10/16/2016 16-028Rl areas of service water system piping section SW-E- station work order 5148641.

9-2851-2 was repaired in refueling outage RE-29.

3 As identified in Table 1 above, thewall thinning Localized areas were repaired under station work 10/31/2016 16-023 areas of service water system piping section SW-Z4- order 5150017.

2851-7 was repaired in refueling outage RE-29.

3 As identified in Table 1 above, the wall thinning Localized areas were repaired under station work 10/31/2016 16-026 areas of service water system piping section SW-E- order 5150817.

3-2851-3 was repaired in refueling outage RE-29.

3 Service water system piping section located Section of the through wall flaw was replaced 10/26/2016 16-042Rl upstream of SW-H231 was identified to have a .under station work order 5154941.

through wall leak during refueling outage RE29.

The co.nditio.n was entered into the station . "- <

corrective action program per CR-CNS-2016-07313.

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