ML24123A122
| ML24123A122 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 04/30/2024 |
| From: | Armstrong L Dominion Energy Nuclear Connecticut |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| 24-155 | |
| Download: ML24123A122 (1) | |
Text
Dominion Energy Nuclear Connecticut, Inc.
Millstone Power Station 314 Rope Ferry Road, Waterford, CT 06385 DominionEnergy.com U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 APR 3 O 2024 DOMINION ENERGY NUCLEAR CONNECTICUT, INC.
- MILLSTONE POWER STATION UNIT 3
--=---. Dominion
--=
Energy Serial No.24-155 NSSL/TFO RO Docket No.
50-423 License No. NPF-49 INSERVICE INSPECTION PROGRAM -
OWNER'S ACTIVITY
- REPORT, REFUELING OUTAGE 22 Dominion Energy Nuclear Connecticut, Inc. (DENC) hereby submits the American Society of Mechanical Engineers (ASME),Section XI, Form OAR-1, Owner's Activity Report, for the period from June 4, 2022; through Refueling Qutage 22, completed on December 1, 2023, for Millstone Power Station Unit 3. The enclosure is in accordance with the requirements of ASME Code Case N-532-5.
If you have any questions or require additional information, please contact Dean E.
Rowe, Manager Nuclear Emergency Preparedness/Licensing, at (860) 444-5292.
$incerely, x/U{u~(f Lori Armstrong Director, Nuclear Safety and Licensing - Millstone
Enclosure:
- 1. Millstone Power Station Unit 3 Owner's Activity Report, Refueling Outage 22, Report Number MP3-3R22.
Commitments made in this letter: None
cc:
U. S. Nuclear Regulatory Commission Region I 475 Allendale Road, Suite 102 King of Prussia, PA 19406-1415 R. V. Guzman Serial No.24-155 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 MILLSTONE POWER STATION UNIT 3 OWNER'S ACTIVITY REPORT REFUELING OUTAGE 22 REPORT NUMBER MP3-3R22 Serial No.24-155 Docket No. 50-423 DOMINION ENERGY NUCLEAR CONNECTICUT, INC.
MILLSTONE POWER STATION UNIT 3
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Dominion Form OAR-1 Owner's Activity Report
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Energy~
ER-AA-ISl-100 ATTACHMENT 1 Page 1 of 3 Report Number:
'""'M=P-=3<--3=R~2=2;;._ __________ _
Plant: MIiistone Nuclear Power Statjon, Rope Ferry Road, Waterford, ConnecUcut 06385 Unit No.
3 Commercial service date: April 26. 1986 Refueling outage no. 22 (if applicable)
Current Inspection Interval: _________
4t __ h ____ ~-
(1a'. 2nd, 3rd, 4th, other)
Current inspection period: _______
2n
...... d ____________ _
(1S\\ znd 1 3rd)
Edition and Addenda of Section XI appllcable to the inspection plans: 2013 Edition, No Addenda Date and revision of Inspection plans: _0Z-"8-/0=8,..../2=0=2=2....... /.....,.R=e.....
vi=si=o...... n =2 ____________ _
Edition and Addenda of Section XI appllcable to repair/replacement activities, if different than the Inspection pfans:
Code Cases used for inspection and evaluation:
N-513-5, N-517-1, N-532-5, N-562-21 N-661-3, N-686-1, N--695-1 1 N-700, N-706-1, N-716-1, N-722-1. N~731, N-753, N-765, N-729--6, N-7761 N-778. N-823-1. N-831-1. N-854. N-892 (if applicable, including cases modified by Case N-532 and later revisions)
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 3 22 nform to the requirements of Section XI.
(refueling outag CERTIFICATE OF INSERVICE INSPECTION 11 the undersfgned, holding a valid commission Issued by the National Board ofBoller and Pressure Vessel Inspectors and employed by Hartford Steam Boller Inspection and Insurance Company of Hartford, CT have Inspected the items described in this Owners 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 lhl~~
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I ector's ~
N nal Board Numbe Date CJ'l.. z. 'f~Zoz... c.,
Fonn No. 729595 (Apr 2021)
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Dominion p
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Form OAR-1 Owner's Activity Report ER-AA-ISI-100 ATTACHMENT 1 Page 2 of 3 Table 1 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Category and Item Number Item Description Evaluation Description NONE Form No. 729595 (Apr 2021)
a;. Dominion p
Energy Form OAR-1 Owner's Activity Report ER-AA-ISI-100 ATTACHMENT 1 Page 3 of 3 Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Item Description Description of Work Date Repair/Replacement Class Completed Plan Number Support Degraded supports on 3
SW M33-SWP-048-307-01/30/2023 53203368692 4
Piping Install blank spool in 3
place of leaking valve 2/7/2023 53203342331 body 3
Piping Replace leaking pipe 3-3/26/2024 53203376842 SWP-006-261-3 Piping Install pipe spool in place 3
of leaking valve 4/4/2024 53203386362 3SWP'V860 3
Valve Replace leaking valve 1/19/2024 53203344846 M33SWP*MOV115A 1
Steam Generator Steam generator tube 11/29/2023 53203346692 plugs 3RCS*SG1A Repair leak on pump 3
Pump inspection cover 11/28/2023 53203350669 M33SWP*STR1A 3
Piping SW Line 3-SWP-003 3/20/2024 53203371268 3 Piping replacement Replace bent rod end 3
Support on support 3-SWP 4/4/2024 53203297304 PSST033 Form No. 729595 {Apr 2021)