ML040690918
| ML040690918 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 02/26/2004 |
| From: | Price J Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 04-115 | |
| Download: ML040690918 (12) | |
Text
-2;Dominion Dominion Nuclear Connecticut, Inc.
Millstone Powcr Station Rope Ferry Road Waterford, CTF 06385 FEB 26 2004 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Serial No.
MPS Lic/WDB Docket No.
License No.04-115 RO 50-336 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-1, Owner's Activity Report for Refueling Outage 15 for Millstone Power Station, Unit 2.
If you have any questions or require additional information, please contact Mr. David W.
Dodson at (860) 447-1791, extension 2346.
Very truly yours, J. A n'pice SiteVi e President - Millstone 4 \\ L V
Serial No.04-115 MP2 Owner's Activity Report Page 2 of 2
Attachment:
- 1.
Millstone Power Station Unit 2 Owner's Activity Report for Refueling Outage 15 Commitments made in this letter: None.
cc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Mr. V. Nerses Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 8C2 Rockville, MD 20852-2738 Mr. S. M. Schneider NRC Senior Resident Inspector Millstone Power Station
Serial No.04-115 Millstone Unit 2 Owner's Activity Report for Refueling Outage 15 Millstone Power Station Dominion Nuclear Connecticut, Inc. (DNC)
Page l of9 MILLSTONE POWER STATION UNIT NO. 2 OWNER'S ACTIVITY REPORT REFUELING OUTAGE 15 Revision 0 Contents:
QAR-I Report Number: MP2-2R1 5 Table 1:
Abstract of Examinations and Tests Table 2:
Items With Flaws or Relevant Conditions That Required Evaluation for Continued Service.
Table 3:
Abstract of Repairs, Replacements, or Corrective Measures Required for Continued Service Prepared By:
Reviewed By:
ISI Program Cooanator
,uthoriid lear Inservice Inspector Date:
/o Date:
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Page 2 of 9 FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number MP2-2R15 Owner Dominion Nuclear Connecticut, Rooe Fer Road. Waterford Connecticut 06385
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Plant Millstone Nuclear Power Station, Rope Ferr~yRoad, Waterford Connecticut Unit Number 2
Commercial Service Date 12/26/1975 Refueling Outage Number 15
~(it appmcabe)
Current Inspection Interval 3rd (Ist. 2nd, 3rd.)
Current Inspection Period_
2nd (I st, 2ncL, 3rd 4Eh. other)
Edition and Addenda of Section Xl Applicable to the Inspection Plan 1989 Edition. No Addenda and 1998 Edition, No Addenda for Subsection IWE/IWL Date and Revision of Inspection Plan 06/21/96. Revision 02 Edition and Addenda of Section Xl Applicable to Repairs and replacements, if Different_
N/A CERTIFICATE OF CONFORMANCE I certify that the statements made in this Owner's Activity Report are correct, and that the examinations, tests, repairs, replacements, evaluations and corrective measures represented by this report conform to the requirements of Section Xl.
Certificate of Authorization No.
N/A Expiration Date N/A Signe Jj
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appitcaue)
/r~t~t/gneorynrsLesIX el0r°&
i, Ccoorrll-;Tcate 2./
°4 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, during the period August 1. 2002 to November 30. 2003, and state 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 examinations, tests, repairs, replacements, evaluations and corrective measures 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.
Commissions 4
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Nationalt oara,-,ate,Provmce and tnoorsements Date
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Page 3 of 9 Table 1 ABSTRACT OF EXAMINATIONS AND TESTS (See Note 1)
(Page 1 of 2)
Total Examinations Total Total Total Examinations Credited (%) To Date Examinations Examinations Credited (%)
for The Interval Examination Required for Credited for For The Period Category The Interval This Period Remarks B-A 28 0
0%
11%
See Note 2 B-B 9
2 22%
56%
B-D 34 4
11%
47%
B-E N/A 0
0%
0%
Tracked under B-P pressure tests per approved Relief Request RR-89-16.
B-F 28 1
3%
42%
B-G-1 219 36 16%
42%
B-G-2 90 15 16%
48%
B-H 1
0 0%
0%
Not required for Third Interval, MP-2 has elected to perform examination of one support skirt due to SG replacement in 1992. This is an augmented examination.
B-J 133 12 9%
39%
B-L-1 2
0 0%
0%
See Note 2 B-L-2 2
0 0%
50%
B-M-2 3
0 0%
0%
See Note 2 B-N-1 3
1 33%
66%
B-N-2 15 0
0%
0%
See Note 2 B-N-3 33 0
0%
0%
See Note 2 B-a 15 0
0%
0%
See Note 2 B-P 12 2
16%
50%
Required for examination each refueling outage. The total examinations are based on 6 refueling outages anticipated during the interval.
C-A 7
2 28%
57%
C-B 6
2 33%
66%
C-C 36 1
2%
30%
C-F-1 76 16 21%
50%
C-F-2 19 4
21%
47%
Page 4 of 9 Table 1 ABSTRACT OF EXAMINATIONS AND TESTS (See Note 1)
(Page 2 of 2)
Total Examinations Total Total Total Examinations Credited (%) To Date Examinations Examinations Credited (%)
for The Interval Examination Required for Credited for For The Period Category The Interval This Period Remarks C-H 72 0
0%
33%
D-A 4
0 0%
33%
D-B 14 0
0%
33%
D-C 8
0 0%
33%
E-A 96 32 33%
66%
100% of the examination items are (32/period) inspected each period E-C 44 22 50%
50%
No Category E-C exams were required during the 1 s inspection period.
L-A 33 0
0 100%
See Note 3 L-B 9
0 0
100%
See Note 3 F-A 271 6
2%
35%
Notes:
- 1. This report represents a summary of the inservice inspection activities performed at Dominion Nuclear Connecticut's Millstone Unit 2 power station during the fall of 2003 refueling outage (2R115). This is the l' of 2 outages in the second period of the third inspection interval.
- 2. For this examination Category, deferral of examinations to later in the interval is permissible in accordance with ASME Section XI, IWB-2500-1 requirements.
- 3. The required examination frequency for this category is every 5 years. The total examinations credited to date for the interval reflect examinations completed based on this 5-year interval
Page 5 of 9 Table 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Flaw Characterization Flaw or relevant Examination Item Component Item Description (IWA-3300)
Condition Found Category Number ID During Scheduled Section XI Examination or Test (Yes or No)
F-A F1.30 Component Restraint Incomplete thread engagement of one nut. The Support 327125 lack of full thread engagement was evaluated as Yes acceptable for continued service.
F-A F1.30 Component Restraint Incomplete thread engagement on one nut. The Support 427056 lack of thread engagement was evaluated as Yes acceptable for continued service F-A F1.30 Component Restraint Gap exists between anchor plate and building Yes Support wall. The slight gap was evaluated as acceptable 427110 for continued service with sufficient anchor bolt embedment.
F-A F1.20 Component Snubber Gap exists between anchor plate and building Yes Support wall. The slight gap was evaluated as acceptable 402083 for continued service with sufficient anchor bolt embedment.
Page 6 of 9 Table 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE (Page 1 of 4)
Flaw or relevant Condition Found During Scheduled Description Section Xl Code Repair, Replacement, Item Description of Work Examination or Test Date Repair/
Class or Corrective Measure (Yes/No)
Completed Replacement Plan Number 3
Replacement Heat Exchanger X-81C Replace Helicoil Inserts No 07/14/03 1029 M2-99-02307 3
Replacement Spool Piece SK-4032 Replace Degraded Bolting No 10/29/03 1109 M2-011-07646 I
Replacement Reactor Coolant Pump P40A Replace Seal Cartridge No 10/29/03 1154 Assembly M2-01 -04536 3
Repair Spool Pieces SK-4262 & SK-Weld Repair Flange Faces No 10/23/03 1159 4263 M2-01 -04304 3
Repair Spool Piece SK-4268A Weld Repair Flange Face No 10/29/03 1169 M2-02-00580 1
Replacement Reactor Coolant Pump P40B Replace Seal Flange Cap No 10/29/03 1179 Screws M2-02-04314 1
Replacement Reactor Coolant Pump P40C Replace Seal Cartridge No 10/29/03 1187 Flange Bolting M2-02-03681 I
Repair Reactor Vessel Head CEDM's Perform grinding and weld No, Discovered 10/29/03 1209 repair on 11 CEDM's during augmented M2-01-08923 identified as having PWSCC inspection to comply with NRC Information Notice 2001-05 and NRC Bulletin 2001-01 2
Replacement HGR 1 on Line 2-CCB-6 Replace broken pipe clamp No 10/29/03 1210 on support M2-01-05985 3
Replacement Spool Piece P8 Fabricate and install No 03/22/03 1237 replacement spool piece M2-03-02244 2
Replacement Valve 2-MS-1 90A Replace Plug/Seat Assembly No 06/30/03 1239 M -0 2 - 7 4 8
Page 7 of 9 Table 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE (Page 2 of 4)
Flaw or relevant Condition Found During Scheduled Description Section Xl Code Repair, Replacement, Item Description of Work Examination or Test Date Repair/
Class or Corrective Measure (Yes/No)
Completed Replacement Plan Number 2
Replacement Valve 2-MS-190A Replace Plug/Seat Assembly No 12/16/03 1240 M2-02-07485 2
Repair W-52 and Identified Socket Repair W-52 and weld No 06/27/03 1241 Welds reinforce identified socket M2-03-02836 weld joints 2
Replacement Pipe Support HGR-512001 Replace load stud and repair No 11/17/03 1242 clamp M2-02-12748 3
Replacement Spool Piece SK-914 Install replacement spool No 05/14/03 1246 piece M2-02-12725 2
Repair Socket Weld Adjacent to Repair pin hole leak No 04/09/03 1247 2-RC-285 M2-03-03390 2
Replacement Valve 2-CH-328 Replace nozzle check valve No 05/21/03 1248 M2-03-03343 2
Replacement Valve 2-CH-339 Replace nozzle check valve No 04/09/03 1253 M2-03-03008 3
Repair Socket Welded joint on Inlet to Weld repair in accordance No 06/25/03 1259 2-SW-92C with CRED CR-03-05854 M2-03-06952 3
Replacement Heat Exchanger X-81 B Replace Helicoil Inserts No 10/25/03 1267 M2-02-13224 3
Corrective Measure Pump P-5-AP Repack Pump No 07/21/03 1268 M2-03-05512 3
Replacement Spool Piece SK-4252 Install replacement spool No 09/23/03 1270 piece M2-03-06336 3
Replacement Vital AC Switchgear Cooling Replace Piping No 06/14/03 1274 Coil X181A & B Return Piping M2-03-06499 3
Replacement Heat Exchanger X-81 C Replace Helicoil Inserts No 06/10/03 1277 M2-02-15272
Page 8 of 9 Table 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE (Page 3 of 4)
Flaw or relevant Condition Found During Scheduled Description Section Xl Code Repair, Replacement, Item Description of Work Examination or Test Date Repair/
Class or Corrective Measure (Yes/No)
Completed Replacement Plan Number 3
Replacement Heat Exchanger X-81A Replace Helicoil Inserts No 05/27/03 1278 M2-02-14521 3
Replacement Valve 2-SW-1 77A Replace Valve No 07/18/03 1279 M2-99-02143 3
Replacement Valve 2-SW-1 80A Replace Valve No 07/18/03 1280 M2-99-02130 3
Replacement Line 18"-EBD(A)-8 Replace portion of piping No 12/09/03 1288 M2-03-03974 3
Replacement Line 18"-EBD(A)-8 Replace portion of piping No 12/09/03 1289 M2-02-13760 3
Replacement Line 18'-EBD(A)-8 Replace portion of piping No 12/09/03 1290 M2-03-03975 3
Replacement Line 18"-EBD(A)-8 Replace portion of piping No 12/09/03 1297 M2-03-03973 3
Repair Weld at 2-FW-5B/515-2 Weld overlay repair No 12/10/03 1305 Interface M2-03-00224 3
Replacement Line 18"-EBD(A)-8 Fabricate replacement spool No 12/09/03 1307 piece PO 70114218 3
Replacement Check Valve 2-SW-1A Replace Hinge Pin No 10/26/03 1323 M2-02-13226 3
Replacement Elbow and pipe upstream of Replace 90 degree elbow No 12/19/03 1335 steam generator thermal M2-03-09209 sleeve
Page 9 of 9 Table 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE (Page 4 of 4)
Flaw or relevant Condition Found During Scheduled Description Section Xl Code Repair, Replacement, Item Description of Work Examination or Test Date Repair/
Class or Corrective Measure (Yes/No)
Completed Replacement Plan Number Repair Pressurizer heater penetration Machining of the heater No, these flaws were 11/17/03 1341 nozzles nozzle penetrations and found as part of an M2-03-08544 drilling and tapping of the augmented Pressurizer bottom head at inspection based nozzle locations C3 and F4 upon industry were required to install MNSA experience with clamps Pressurizer heater penetration cracking