ML16214A243

Millstone Power Station, Unit 3 - Inservice Inspection Program, Owner'S Activity Report, Refueling Outage 17

ML16214A243
Person / Time
Site:	Millstone
Issue date:	07/25/2016
From:	Stanley B L Dominion Nuclear Connecticut
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML16214A243 (10)

Text

I .. Dominion Nuclear Connecticut, Inc. Rope Ferry Rd., Waterford, CT 06385 Mailing Address: P.O. Box 128 Waterford, CT 06385 <lorn.com JUL 2 5 2016 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 NUCllEAR MILLSTONE POWER UNIT 3 . Serial No. NSSL/MLC Docket No. license No. fPROGRAM.:... OWNIER1S RIEfPORT, REFUJEUNG OUTAGE 16-254 RO 50-423 NPF-49 Dominion Nuclear Connecticut, Inc. (DNC) hereby submits the American Society of Mechanical Engineers (ASME),Section XI, Form OAR-1, Owner's Activity Report, for the period from November 18, 2014 through Refueling Outage 17, completed on May 13, 2016 for Millstone Power Station Unit 3. The enclosure is in accordance with the requirements of ASME Code Case N-532-4. If you have any questions or require additional information, please contact Jeffry A. Langan at (860) 444-5544. Sincerely, B. L. Stanley Director, Nuclear Safety and Licensing -Millstone

Enclosure:

1. Owner's Activity Report, Refueling Outage 17, Revision 0.

• Commitments made in this letter: None cc: U. S. Nuclear Regulatory Commission Region I 2100 Renaissance Blvd, Suite 100 King of Prussia, PA 19406-2713 R. V. Guzman Serial No.16-254 MPS3 Owner's Activity Report Docket No. 50-423 Page 2 of 2 Senior Project Manager -Millstone Power Station U. S. Nuclear Regulatory Commission One White Flint North, Mail Stop 08 C2 11555 Rockville Pike Rockville, MD 20852-2738 NRC Senior Resident Inspector Millstone Power Station ENCLOSURE 1 OWNER'S ACTIVITY REPORT REFUELING OUTAGE 17 Revision 0 DOMINION NUCLEAR CONNECTICUT, INC. MILLSTONE POWER STATION UNIT 3 Serial No.16-254 Docket No. 50-423 MILLSTONE POWER STATION UNIT NO. 3 OWNER'S ACTIVITY REPORT REFUELING OUTAGE 17 Revision 0 Contents: OAR-1 Report Number: MP3-3R17 Table 1: Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service. Table 2: Abstract of Repairs/Replacement Activities Required for Continued Service " 7;{/;& Prepared By: Date: I I 74--ME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034435 and ETE-MP-2016-1058. Evidence of leakage detected at bolted connection evaluated in accordance with C-H I C7.10 Heat Exchanger 3RSS*E1 B ASME Code Case N-566-2 and found to Inlet Flange be acceptable for continued service as documented in CR1036848 and ETE-MP-2016-1081. Evidence of leakage detected at bolted connection evaluated in accordance with C-H I C7.10 Heat Exchanger 3RSS*E1 B ASME Code Case N-566-2 and found to Outlet Flange be acceptable for continued service as documented in CR1036860 and ETE-MP-2016-1081. Evidence of leakage detected at bolted connection evaluated in accordance with C-H I C7.10 Valve 3SIH*V017 ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1029017 and ETE-MP-2016-1006. Evidence of leakage detected at bolted connection evaluated in accordance with C-H I C7.10 Valve 3SIH*MV8802B ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1036511 and ETE-MP-2016-1079. Evidence of leakage detected at bolted connection evaluated in accordance with C-H I C7.10 Valve 3SIH*MV8821A ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1036483 and ETE-MP-2016-1079. Evidence of leakage detected at bolted connection evaluated in accordance with B-P I B15.20 Valve 3SI L *V985 ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034279 and ETE-MP-2016-1048. Evidence of leakage detected at bolted connection evaluated in accordance with B-P I B15.20 Valve 3RCS*SV8095B ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1037278 and ETE-MP-2016-1084.

Form OAR-1 Owner's Activity Report Table 1 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Servoce Examination Item Description Evaluation Description Category and Item Number Evidence of leakage detected at bolted connection evaluated in accordance with B-P I 815.20 Valve 3RCS* AV8037C ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034041 and ETE-MP-2016-1048. Evidence of leakage detected at bolted connection evaluated in accordance with B-P I 815.20 Valve 3RCS*AV80378 ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1033846 and ETE-MP-2016-1048. Evidence of leakage detected at bolted connection evaluated in accordance with B-P I 815.20 Valve 3RCS*V107 ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034039 and ETE-MP-2016-1048 Evidence of leakage detected at bolted connection evaluated in accordance with B-P I 815.20 Valve 3RCS*MV8003A ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034272and ETE-MP-2016-1058. Evidence of leakage detected at bolted connection evaluated in accordance with B-P I 815.20 Valve 3RCS*MV8003C ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034275 and ETE-MP-2016-1058. Evidence of leakage detected at bolted connection evaluated in accordance with 8-P I 815.20 Valve 3RCS*MV8003D ASME Code Case N-566-2 and found to be acceptable for continued service as documented in CR1034281 and ETE-MP-2016-1058.

Form OAR-1 Owner's Activity Report Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Class Item Description Description of Work Date Repair/Replacement Completed Plan Number Replace section of 3 Pipe Spool Service Water line 02/03/2015 53102801095 3-SWP-003-324-3. Replace section of 3 Pipe Spool Service Water line 12/16/2015 53102874177 3-SWP-003-276-3. Replace section of 53102957056 3 Pipe Spool Service Water line 04/25/2016 53102797777 3-SWP-018-82-3.