ML082410415
| ML082410415 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 08/07/2008 |
| From: | Price J Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 08-0489 | |
| Download: ML082410415 (7) | |
Text
Dominion Nuclear Connecticut, Inc.
Millstone Power Station Rope Ferry Road, Waterford, CT 06385 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 AUG 0 7 MRU Serial No.
NSSL/RWM Docket No.
License No.
08-0489 RO 50-ý336 DPR-65 DOMINION NUCLEAR CONNECTICUT, INC.
MILLSTONE POWER STATION UNIT 2 INSERVICE INSPECTION PROGRAM - OWNER'S ACTIVITY REPORT Dominion Nuclear Connecticut, Inc. (DNC) hereby submits the American Society of Mechanical Engineers (ASME),Section XI, Form OAR-I, Owner's Activity Report for the period from November 19, 2006 through Refueling Outage 18, completed on May 16, 2008, for Millstone Power Station Unit 2. 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 Mr. William D. Bartron at (860) 444-4301.
Very truly yours, J. An Price it Vice President - Millstone
Enclosure:
- 1. Millstone Power Station Unit 2, Owner's Activity Report - Refueling Outage 18 Commitments made in this letter: None.
c) q4-7
Serial No. 08-0489 Owner's Activity Report Page 2 of 2 cc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Ms. C. J. Sanders Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 8 B3 Rockville, MD 20852-2738 NRC Senior Resident Inspector Millstone Power Station
Serial No.
Docket No.
08-0489 50-336 ENCLOSURE I INSERVICE INSPECTION PROGRAM - OWNER'S ACTIVITY REPORT REFUELING OUTAGE 18 MILLSTONE POWER STATION UNIT 2 DOMINION NUCLEAR CONNECTICUT, INC. (DNC)
Page 1 of4 MILLSTONE POWER STATION UNIT NO. 2 OWNER'S ACTIVITY REPORT REFUELING OUTAGE 18 Revision 0 Contents:
OAR-I Report Number: MP2-2R18 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 Prepared By:
Reviewed By:
Reviewed By:
ISI Program Owne Independent Review Au/tobrized Vgclear Inservice'nspector Date: 07ZS 0/g Date: "T(.l[2rt*
Date:
0az?/ adL,'
Page 2 of 4 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number 931-f MP2-2R18 Milktnnes NI..pI~st.r Pnujear ~tstinn Pc~nts F~srn, P~d W2tgsrfnrcl C.nnn~sctirijt A~%~
I I*IIL (Name and Address Ot Piant Unit Number 2
(It applicable)
Commercial Service Date 12/26/1975 Refueling Outage Number 18 Current Inspection Interval 3rd (Ist, 2nd, 3rd,)
Current Inspection Period
- trd 3rd (lst, 2nd, 3rd, 4th, other)
Edition and Addenda of Section Xl Applicable to the Inspection Plans 1989 Edition, No Addenda and 1998 Edition, No Addenda for Subsection IWE/IWL Date and Revision of Inspection Plan 12/10/2007 Revision 2, Change 6 Edition and Addenda of Section XI Applicable to repairs/replacement, if Different than the inspection plans 1998 Edition, No Addenda Code Cases used:
N-416-3. N-491-2. N-532-4 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this Owner's Activity Report are correct; (b) the examinations and tests meet the Inspection Plan as required by ASME Code, Section Xl; and (c) the repair/replacement activities and evaluations supporting the completion of 2R18 conform to the requirem tsof Section Xl.
Signed
-uwers ISI Program Owner Date 0
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 Connecticut and employed by HSB CT*
of Hartford, Connecticut 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.
Comnmissions A'Oe~p9n 6'-r /I.-?
W,41 -r C I
National
.hoard, State, Province anu tinddrsements
Page 3 of 4 Table 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE (Page 1 of 1)
Examination Category and Item Number Evaluation Description Item Description F-A / F1.30 Pipe support 427102 Spring load setting evaluated by engineering as acceptable for continued service F-A / F1.10 Pipe Support 410110 Spring load setting evaluated by engineering as acceptable for continued service F-A / F1.10 Pipe support 491412-P Loose pipe clamp bolt evaluated by engineering as acceptable for continued service. Bolt replaced to restore support to design condition.
F-A / FI-10 Pipe support 410055 Incomplete thread engagement of bolted connection evaluated by engineering as acceptable for continued service.
F-A / F1.10 Pipe support 408023 Loose pipe clamp lock nut evaluated by engineering as acceptable for continued service. Lock nut tightened to restore support to design condition.
F-A / F 1.10 Pipe support 410044 Incomplete thread engagement of bolted connection evaluated by engineering as acceptable for continued service.
F-A /F 1.20 Pipe support 412012 Spring load setting evaluated by engineering as acceptable for continued service F-A /F 1.10 Pipe support 410038 Gap between support base plate and wall evaluated by engineering and found to be acceptable B-G-2 / B7.70 Bolting for valve 2-SI-225 Evidence of coolant leakage in the form of boric acid deposits evaluated in accordance with Code Case N-566-2 and found to be acceptable for continued service.
4 I.
4 4.
Page 4 of 4 Table 2 ABSTRACT OF REPAIR / REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE (Page 1 of 1)
Description Code Item Description of Work Date Repair/
Class Completed Replacement Plan Number 3
P15 and P21 Service Water piping Perform weld repairs to spool piece flanges 12/10/2007 M20600432 spool pieces 3
P18 Service Water piping spool piece Perform weld repairs to spool piece flanges 12/10/2007 M20600433 2
Charging pump P18CP Replace cylinder block assembly 06/18/2007 M20704329