ML18033A337

Owner'S Activity Report Refueling Outage N2R25 - Second Period of the Fourth ISI Interval

ML18033A337
Person / Time
Site:	North Anna
Issue date:	01/04/2018
From:	Standley B Virginia Electric & Power Co (VEPCO)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
17-477
Download: ML18033A337 (7)

Text

• VIRGINIA ELECTRIC AND PowER Co~PANY RICHMOND, VIRGINIA 23261 January 4, 2018 .

U.S. Nuclear Regulatory Commission Serial No.: 17-477 Attention:* Document Control Desk NAPS/DPM: RO Washington, D.C. 20555 Docket No.: 50-339 License No.: NPF-7 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION ENERGY)

NORTH ANNA POWER STATION UNIT 2 OWNER'S ACTIVITY REPORT In accordance with the requirements of American Society of Mechanical Engineers (ASME) Code Case N-532-4, enclosed is the Owner's Activity Report (Form OAR-1 ), for refueling outage N2R25. This report is for the third refueling outage of the second period of the fourth inspection interval.

Should you have any questions regarding this submittal, please contact Mr. D. P.

McGinnis at (540) 894-2487.

• Sincereli, i

a.c.s~ ),1 B. E. Standley, Jr:

Director - Nuclear Station Safety and Licensing Commitments made in this letter: None Attachment

cc: U.S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Avenue, NE, Suite 1200 Atlanta, Georgia 30303-1257 NRC Senior Resident Inspector North Anna Power Station Mr. J. E. Reasor, Jr.

Old Dominion Electric Cooperative Innsbrook Corporate Center 4201 Dominion Blvd.

Suite 300 Glen Allen, Virginia 23060 Ms. Brenda Mozafari NRC Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 0-8 G9A Rockville, MD 20852-2738

• Mr. M. M. Grace Authorized Nuclear lns~rvice Inspector North Anna Power Station

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Attachment Owner's Activity Report for North Anna Unit 2 Refueling Outage N2R25 - Second Period of the Fourth ISi Interval North Anna Power Station Virginia Electric and Power_ Company

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Form OAR-1, Owner's Activity Report ER-AA-ISl-100 ATTACHMENT 1 Page 1 of 4 Report Number: N2R25 (Unit 2, 4th Interval, 2nd Period)

Plant: North Anna Power Station Unit No. 2 Commercial service date: 12/14/1980 Refueling outage no. N2R25 (if applicable)

Current inspection interval: 4th (December 14, 2010 - December 13, 2020)

( 1st 2nd 3rd 4th other)

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Current inspection period: 2nd (December 14, 2013 - December 13, 2017)

(1st 2 nd 3 rd 4th)

Edition and Addenda of Section XI applicable to the inspection plans: 2004 Edition with No Addenda Date and revision of inspection plans: ~R=ec.e.v=is=io=n"'-'2=*'-'F._e=b=r-=u=a'-'ry'-'2=0~1~3~---------------

Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans _ _~ N = A ~ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Code Cases used for inspection and evaluation: N-432-1, N-460, N-504-4, N-526, N-532-5, N-552, N-566-2, N-583, N-597-2, N-613-1, N-624, N-638-4, N-641, N-658, N-661-2, N-663, N-683, N-686-1, N-696, N-706-1, N-722-1, N-729-1, I 770-1 (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 N2R25 conform to the requirements of Section XI.

(refueling outage number)

Date 1-z /zz / 17 CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and employed by HSB Global Standards of Hartford, CT 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 a loss of any kind arising from or connected with this inspection.

_ _-1/l?/~"L..t-tf,~:=:::::!!.a~------ Commission_~N~B~9~5~3~1~V~A~4=2~4~R~,~C~I~ N ~ - - - - - - - - -

lnspector's Signature (National Board Number and Endorsement)

Date Form No. 729595 (Aug 2009)

Form OAR-1, Owner's Activity Report ER-AA-151-100 ATTACHMENT 1 Page 2 of 4 Table 1 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Item Description Evaluation Description Category and Item Number NONE Form No. 729595 (Aug 2009)

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Form OAR-1, Owner's Activity Report ER-AA-ISl-100 ATTACHMENT 1 Page 3 of 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 Replace 2" piping and elbow.

2"-RC-455-1502-1 Rejectable indication was found in 04/27/2016 2016-027 Q1 weld Replace 1.5"-CH-716-1502-Q2 and 02-CH-PP-1.50-CH-2 flange bolting as applicable due to 09/20/2016 2016-127 PIPE-716-1502-Q2 suspected through-wall leak Tubing to be replaced due to 2-SI-FT-2960-1 IXMITR pinhole leak discovered during 10/07/2017 2017-115 inspection.

Replace Reactor Vessel flange stud 1 2-RC-R-1-VESSEL due to damaged threads.

10/09/2017 2017-131 02-SW-PP-1.50-WS~ Replace piping due to possible MIC 3 PIPE-976-153A-Q3 leak 06/08/2017 2017-044 Form No. 729595 (Aug 2009)

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Form OAR-1, Owner's Activity Report

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rill'~* om1n1on~ ER-AA-151-100 ATTACHMENT 1 Page 4 of 4 FORM N-711-A Abstract of Welds Satisfying Alternative Examination Coverage of Case N-711 Examination Weld Percent Weld Description Description of Limitation Category Number Coverage 5(BPL Single-sided exam due to R-A/R1.20 Pipe Jo Weldolet 42.2%

851) component configuration Single-sided exam due to R-A/R1.20 SW-98A Flange to Pipe 50%

adjacent flange Single-sided exam doe to R-A/R1.20 SW-81 Flange to Pipe 50%

component configuration lntrados of tee and landing R-A/R1.20 30 Tee to Reducer 81% of reducer lntrados of Elbow and R-A/R1.20 3 Expander to Elbow 88.5% Expander Form No. 729595 (Aug 2009)