ML15012A003
| ML15012A003 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 01/06/2015 |
| From: | Hilbert G Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 14-597 | |
| Download: ML15012A003 (7) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 January 6, 2015 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 Serial No.:
NAPS/JHL:
Docket No.:
License No.:
14-597 RO 50-339 NPF-7 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
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-i), for refueling outage N2R23. This report is for the first refueling outage of the second period of the fourth inspection interval.
Should you have any questions regarding this submittal, please contact Mr. Page A.
Kemp at (540) 894-2295.
Very truly yours, Lisa Hilbert 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 Dr. V. Sreenivas 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 Inspector North Anna Power Station
Attachment Owner's Activity Report for North Anna Unit 2 Refueling Outage N2R23 - Second Period of the Fourth ISI Interval North Anna Power Station Virginia Electric and Power Company
ww-Dominion-Form OAR-I, Owner's Activity Report E-AA-S-0 ATTACMN I
ae1o Report Number: N2R23 (Unit 2, 4 th Interval, 2 nd Period)
Plant: North Anna Power Station Unit No.
2 (if applicable)
Commercial service date: 12/14/1980 Refueling outage no. N2R23 Current inspection interval: 4 th (December 14, 2010 - December 13, 2020) nst In tn (1 s, 2, 3a,4, other)
Current inspection period: 2nId (December 14, 2013 - December 13, 2017)
( 1 st, 2 na 3 ra, 4 tn)
Edition and Addenda of Section XI applicable to the inspection plans: 2004 Edition with No Addenda Date and revision of inspection plans: Revision 2. February 2013 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans N/A Code Cases used: N-432-1. N-460. N-504-4. N-526, N-532-4, N-552. N-566-2. N-583. N-586-1. N-597-2. N-613-1 N-624. N-638-4. N-641. N-658. N-661-1. N-663. N-683. N-686-1. N-696. N-706-1. N-722-1. N-729-1. N-753. N-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 N2R23 conform to the requirements of Section XI.
(refueling outage number)
Signed A1z7 Z2engj&2J iu'sg
- or -T S.-/N b/t
'iO;6ate o '015 Owner or Owner's Designee, Tile 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 Virginia and employed by HSB GS 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.
~_ _
_Y Commissions NB 9531-A, N, I, C, IS/VA 424-R Inspector's Signature National Board, State, Province and Endorsements Date Zg
,u Form No. 729595 (Aug 2009)
dW'Dominion-Form OAR-I, Owner's Activity Report ff T1
-0 ATTACMN I
Pge 2f4 Table I Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Item Description Evaluation Description Category and Item Number Attachment Weld SW-92 Evaluate per CR559370 C-C / C3.20 Surface flaws - allowable flaw Summary # N2.C3.20.002 size acceptable Anchor, 2-CH-A-5 Evaluate per CR558013 F-A F1.10B 1 loose nut -determined Summary # N2.F1.10.366 acceptable (then corrected)
Restraint, 2-SHP-R-216 Evaluate per CR559064 F-A/ F1.20A Missing washer - meets Summary # N2.F1.20.003 design function Form No. 729595 (Aug 2009)
rW'Dominion-Form OAR-I, Owner's Activity Report I
E-AIS10 TACMNI Pae3o Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Item Description Description of Work Date Repair/Replacement Class Completed Plan Number Repair valve and 3 02-SW-624 replace piping due to 7/9/2013 2013-076 through wall MIC leak at weld 2
02-MS-PP-32.00-Repair rejectable SHP-PIPE-401-linear indication found 12/22/2014 2014-104 601-Q2 on attachment weld Add structural welds to resolve concerns 2 0214 about the load 11/10/2014 2014-105 capacity of the support Add structural welds to resolve concerns 2 02.215 about the load 11/10/2014 2014-106 capacity of the support Add structural welds to resolve concerns 2 0216 about the load 11/10/2014 2014-107 capacity of the support Form No. 729595 (Aug 2009)
-, 1 -4 0.'
NEI: YDominion-Form OAR-I, Owner's Activity Report E-AIS10 A*CMN I
Pag 4
of 4
FORM N-711 -A Abstract of Welds Satisfying Alternative Examination Coverage of Case N-711 Examination Weld Percent Cxamnateoy Nmer Weld Description Cerae Description of Limitation Category Number Coverage Pipe to Weld-o-let, Single-sided exam - no R-A/Ri.20 SW1 9 Feedwater Flow Control 75%
upstream circumferential (BPL 178)
Valve Bypass exam on branch connection side.
Single-sided exam - no Elbow to Pump, Reactor exam for 48% of the R-A/R1.20 20 Coolant cold leg to Reactor 88%
downstream side in the Coolant Pump axial direction due to configuration.
C-F-1/C5.11 7
Valve to Pipe, Charging 50%
Single-sided exam (R-A/LSS)
Pump Suction Preservice Inspection (PSI)
C-F-1/C5.11 Pipe to Valve, Charging 50%
Single-sided exam (PSI)
(R-A/LSS)
Pump Suction C-F-1/C5.11 Flange to Tee, Quench Single-sided exam and (R-A/LSS)
Spray Beyond Design Basis 69.5%
branch connection (PSI)
(R-A/LSS)___
Connection Valve to Elbow, High Single-sided exam -
C-F-1 /C5.21 Pressure Safety Injection 44.3%
configuration and intrados (R-A/LSS) 2 Beyond Design Basis of elbow (PSI)
Connection C-F-1/C5.21 Pipe to Valve, High Pressure (R-A/LSS)
Safety Injection Beyond 50%
Single-sided exam (PSI)
(R-A/LSS)
_Design Basis Connection Flange to Pipe, High C-F-1/C5.21 12 Pressure Safety Injection 50%
Single-sided exam (PSI)
(R-A/LSS)
Beyond Design Basis Connection Form No. 729595 (Aug 2009)