ML043630429
| ML043630429 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 12/16/2004 |
| From: | Hartz L Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 04-625 | |
| Download: ML043630429 (17) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 December 16, 2004 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 Serial No.:
04-625 NLOS/ETS:
RO Docket No.:
50-338 License No.:
NPF-4 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
NORTH ANNA POWER STATION UNIT 1 OWNER'S ACTIVITY REPORTS By letter dated October 2, 2000, the NRC granted North Anna Units 1 and 2 approval to use the recording and reporting requirements of American Society of Mechanical Engineers (ASME) Code Case N-532. Therefore, in accordance with the requirements of ASME Code Case N-532, enclosed are the Owner's Activity Reports (Form OAR-I),
for refueling outages N1 R16 and N1 R17. This information completes the reporting requirements for North Anna Unit 1's first two refueling outages in the second period of the third ten-year interval.
Should you have any questions regarding this submittal, please contact Mr. Thomas Shaub at (804) 273-2763.
Very truly yours, Leslie N. Hartz Vice President - Nuclear Engineering Commitments made in this letter: None Attachment
cc:
U.S. Nuclear Regulatory Commission Region I I Sam Nunn Atlanta Federal Center 61 Forsyth Street, SW Suite 23 T85 Atlanta, Georgia 30303 Mr. M. T. Widmann NRC Senior Resident Inspector North Anna Power Station Mr. J. E. Reasor, Jr. (letter only)
Old Dominion Electric Cooperative lnnsbrook Corporate Center 4201 Dominion Blvd.
Suite 300 Glen Allen, Virginia 23060 Mr. S. R. Monarque NRC Project Manager U. S. Nuclear Regulatory Commission One White Flint North 1 1555 Rockville Pike Mail Stop 8G9 Rockville, MD 20852 Mr. M. M. Grace Authorized Nuclear Inspector North Anna Power Station
Attachment Letter Serial No.04-625 Owners Activitiy Reports for North Anna Unit 1 Refueling Outages Second Period of the Third IS1 Interval North Anna Unit 1 Virginia Electric and Power Company
NORTH ANNA POWER STATION. N1 R16 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT
?Id Report Number: NlRl6 lulyt. m.
7nd Periad 1st RAfllAlinn!
Owner Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
Plant-.
P 0 Bor 407, hdineral VA 3.11 17 (Name and Address of Plant)
Unit No.
1 Commercial service date 6/6/78 Refueling outage no. N1 R16 (5/01/02-4/18/03]
(If applicable)
Current inspection interval 4 (5W9ee(30Loa\\
(1st, 2nd, 3rd, 4th. other)
Current inspection period 7nd (!ill In3 - AI2nInFi\\
(1st,2nd, 3rd)
Edition and Addenda of Section XI aDDlicable to the insDection Dlan 1989 Edition No Addenda Date and revision of inspection plan IS1 Plan Rev 3 Ch. 3 dated 8/04 including the IS1 Schedule Revision 8, dated 8/04 Edition and Addenda of Section XI applicable to repairs and replacements, if diierent than the inspection plan Plant Issues N-2003-3021,2004-1145, and 2004-2566 were submitted.
Same 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 d Section XI.
CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Hartford. CT have inspected the items described in this Owner's Activity Report, during the period 10/10/01 to 4/18/03 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.
Inspectors and the State or Province of Virainia and employed by HSB-CT of 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 loss of any kind arising from or connected with this inspection.
Commissions VA 4244 Inspector's Signature National Board, State, Province, and Endorsements Date 9
xaminations The Interval Total Examinations Credited For This Period
.oo
.oo 2.00 1.OO 196.00 9.00 2.00
.OO
.oo
.00
.oo
.00 Total Total Examinations Examinations Credited (%)
Credited (%) To For The Period Date For The Interval 32.69
.oo
.oo 23.81 28.57 42.86 27.27 33.33 100.00 56.25 37.50
.oo 64.77 59.18 40.74
.oo
.oo 100.00
.oo 33.33
.oo
.00
.oo
.oo B-B B-D North Anna Power Station N1R16 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests 7.00 28.00 B-E B-G-1 B-G-2 B-K B-L-l B-M-2 B-N-1 B-N-2 B-N-3 B-0 B-P 6-Q C-A C-B c-c C-D C-F-1 Remarks =
-I I
1 Note 1 11.00 650.00 49.00 18.00 1.oo 4.00 3.00 1.oo 1.00 3.00 7.00 5.00 9.00 16.00 29.00 16.00 106.00 Note 1
.oo 1.oo Note 2 Note 3 Note 4 I I
.00 Note 5 Note 6
.oo 50.00 42.86
~~
.00 2.67 1.00 9.00 5.00 20.00
~
~~~~~~
.oo 40.00 72.73 37.04 Note 7 20.00 31.25 Note 2 100.00 68.97 100.00 62.50 52.63 59.43
I C-F-2 I
30.00 Total Examinations Credited (%)
For The Period Total Examinations Credited For This Period Total Examinations Credited (%) To Date For The Interval Remarks 3.00 C-G C-H D-A F-A 50.00 50.00 2.00 1.OO 3.00
.oo 33.33 Note 8
.oo 37.00 8.00 48.65 Note 8 66.67 366.00 100.00 77 l=r) 51.37 33.33 59.00 R-A I
43.33 42.37 Note 9 6.00 30.00 I
I I
I I
I I
- I.-
Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 Note 9 North Anna Power Station N1R16 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Notes Abstract Of Examinations And Tests Examinations are limited to components selected for examination See Partial Examination attachment Internal examination is required only when a pump is disassembled for maintenance, repair, or examination. EL-1 has one scheduled examination of the external surface of the weld of one pump casing in accordance with Code Case N-481.
Examination is required only when a valve is disassembled for maintenance, repair, or examination.
Category B-0 is scheduled to be examined as part of the reactor vessel examination in the third period.
The Class 1 leakage test is required to be performed every refueling outage. The number and percentages listed represent the total number of refueling outages anticipated over the inspection interval. All required system presure tests have been completed.
Relief will be requested for the regenerator heat exchanger welds.
The number and percentages listed represent the total number of periods over the inspection interval. All required system presure tests have been completed.
Risk informed program currently addresses categories B-F and 6-J.
Partial Examinations NlRl6 CATEGORY ITEM DRAWNG LINE NUMBER EXAMREMARKS B-K B10.2 11715-WMKS-0103Y 6"-SI-133-1502-Q1 18H 87% PT partial coverage due to pipe clamp. A request for relief will be submitted to the NRC.
c-c C3.20 11715-WMKS-0103AF 6-SI-1%1502-Q1 26H 85Yo PT partial coverage due to pipe clamp. A request for relief will be submitted to the NRC.
pipe clamp. A request for relief will be submitted to the NRC.
11715-WMKS-0107C 8"-QS4-153A-Q3 34H 85% PT partial coverage due to
Exam Category F-A F-A F-A F-A F-A F-A F-A Flaw Characterization (I
WA-3300)
Indications were removed by grinding. The reduced weld size was evaluated and found to be adequate.
Loose bolts were evaluated and found to be acceptable One of the anchor bolts installed at a very slight angularity resulting in the nut having a small gap at the base plate contact. Review of design load and overall support configuration considered the support NORTH ANNA POWER STATION NlR16 OUTAGE TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE FORM OAR-1 OWNERS ACTIVITY REPORT Flaw or Relevant Condition Found During Scheduled Section XI Exam or Test (Yes or No)
No No Yes Item Number acceptable.
The actual spring setting was verified by evaluation Anchor bolts are not installed F1.20 Yes Yes F1.20 F1.10 flush with the base plate.
Bolts were adequate to withstand design load.
Sliding surface of support is painted restricting motion of support but found operable.
Sway struts were installed where the design drawing showed threaded rods.
Evaluation determined this was desirable.
F1.20 F1.20 Yes Yes F1.20 F1.10 Item Descriation Support R-214 on drawing 1 171 5-WMKS-0101 A-1 Support R-216 on drawing 11 71 5-WMKS-0101 A-2 1171 5-WMKS-0103BH Support R-39 on drawing Support SH-28 on drawing Support RH-5 on drawing 1 171 5-WMKS-0104A-2 11715-WMKS-0104B Support A-1 on drawing 1 171 5-WM KS-0111 XE Support R-15 on drawing 1 171 5-WMKS-0113A-4
NORTH ANNA POWER STATION N1 R16 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Flaw or Relent Condition Found During Scheduled Section XI Examination or Test (Yes or No)
No Repair/
Completed Number Date Replacement Plan la1 5/03 2003-052 Repair r Code Class Repair, Replacement, or Corrective Measure indications by Item Description Description of Work
NORTH ANNA POWER STATION, N1R17 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT Owner Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
Plan-403 Mineral VA 7.11 17 (Name and Address of Plant)
Unit No.
1 Commercial service date 6/6/78 Refueling outage no. N1 R17 (4/19/03-10/06/04)
(If applicable)
Current inspection interval
?rd 15/1/aa -
(1st, 2nd, 3rd, 4th, other)
Current inspection period Edition and Addenda of Section XI applicable to the inspection plan 3rd i5111n9 - A/.-
(1st,2nd, 3rd) 1989 Edition No Addenda Date and revision of inspection plan IS1 Plan Rev 3 Ch. 3 dated 8/04 includina the IS1 Schedule Revision 9, dated 11/04 and the SPT Implementation Schedule Revision 2, dated 12/04 Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan Plant Issues N-2001-1678, 2003-2838, 2003-3021, 2004-1241, 2004-2283,2004-2566, and 2004-423ORl were submitted.
Same 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 XI.
Certificate of Authorization No.
N/A Expiration Date N/A (If applicable) 4 Signed rsr Ch~,ji\\di f Date 12 b y J
CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Hartford, CT have inspected. the items described in this Owner's Activity Report, during the period 4/19/03 to 10/6/04 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.
Inspectors and the State or Province of Virqinia and employed by HSB-CT of 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 loss of any kind arising from or connected with this inspection.
Commissions VA 424-R Inspector's Signature National Board, State, Province, and Endorsements Date / z / t / A y
Total Examinations Credited (%)
Total Examinations Credited (%) To NonCh Anna Power Station N7R77 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests Examination categofY Total Examinations Credited For This Period Total Examinations Required For The Interval
.00 1.33 For The Period Date For The Interval Remarks
.oo 80.00 32.69 42.86 B-B B-D 8-E B-G-1 7.00 28.00 11.oo 650.00 7.00 100.00 2.00 66.67 100.00 196.00 Note 1 60.71 36.36 64.77 Note 2 B-G-2 B-K B-L-1 B-M-2 B-N-1 8-N-2 B-N-3 B-0 B-P B-Q C-A C-B c-c C-D C-F-1 49.00 16.00 73.47 Note 2 100.00 100.00 18.00 5.33 1.oo
.00
.00 Note 3
.oo
.00 100.00 Note 4
.oo 4.00 59.26 3.00
.00
.oo 33.33 1.00
.00
.oo
.00
.00
.oo 1.oo
.oo 3.00
.00
.oo Note 5
.oo 7.00 2.00 57.14 Note 6 100.00 5.00 1.OO 50.00 60.00 9.00 2.67 72.73 16.00 4.00 80.00 50.00 37.04 Note 7 29.00 9.00 100.00 68.97 16.00 5.00 100.00 62.50 74.53 106.00 36.00 94.74
Examination CategOrY Total Total Total Total Examinations Examinations Examinations Examinations Required F~~
Credited For Credited (%)
Credited (%) To The Intenal This Period For The Period Date For The Interval Remarks C-F-2 C-G C-H D-A F-A R-A 30.00 4.00 44.44 46.67 2.00 1.OO 50.00 50.00 3.00
.00 33.33 Note 8
.oo 37.00 10.00 54.05 Note 8 366.00 123.00 95.35 57.65 59.00 17.00 61.02 Note 9 83.33 85.00
North Anna Power Station NlR17 OUTAGE Form OAR-I Owner's Activity Report Table 1 Notes Abstract Of Examinations And Tests Note 1 See Partial Examination attachment.
Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 Note 9 Examinations are limited to components selected.
Internal examination is required only when a pump is disassembled for maintenance, repair, or examination. EL-1 has one scheduled examination of the external surface of the weld of one pump casing in accordance with Code Case N-481.
Examination is required only when a valve is disassembled for maintenance, repair, or examination.
Category B-0 is scheduled to be examined as part of the reactor vessel examination in the third period.
The Class 1 leakage test is required to be performed every refueling outage. The number and percentages listed represent the total number of refueling outages anticipated over the inspection interval. All required system presure tests have been completed.
Relief will be requested for the regenerator heat exchanger welds.
The number and percentages listed represent the total number of periods over the inspection interval. All required system presure tests have been completed.
Risk informed program currently addresses categories B-F and B-J.
Partial Examinations NlRl7 CATEGORY ITEM DRAWING LINE NUMBER EXAMREMARKS B-D B3. I I 1171 5-WMKS-RC-E-2 1-RC-E-2 10 78.36% UT coverage due to pressurizer to nozzle weld configuration. A request for relief will be submitted to the NRC.
1171 5-WMKS-RC-E-2 1-RC-E-2 11 78.36% UT coverage due to pressurizer to nozzle weld configuration. A request for relief will be submitted to the NRC.
11715-WMKS-RC-E-2 1-RC-E-2 12 78.36% UT coverage due to pressurizer to nozzle weld configuration. A request for relief will be submitted to the NRC.
Exam Category F-A Flaw Characterization F-A Flaw or Relevant Condition Found During Scheduled Section XI Exam or Test NORTH ANNA POWER STATION NlR17 OUTAGE TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE FORM OAR-1 OWNERS ACTIVITY REPORT Item Description Item Number F1.30 (IWA-3300)
(Yes or No)
F1.30 1171 5-WMKS-Ol17A Support A-29 on drawing 1 171 5-WMKS-OlO5C hanger was evaluated and found not to effect operability Minor gap between baseplate Yes and concrete wall evaluated and found not to effect operability
Code Class 1
1 2
2 Item Description Charging Snubber Reactor Coolant Snubber Safety Injection Pipe Feedwater support 3
Description of Work Replaced snubber due to visual and functional test failure Replaced snubber due to visual and functional test failure.
Replaced 1 2 LHSl suction pipe due to through wall leak.
Replaced monoball support with strut due to indications NORTH ANNA POWER STATION N1 R17 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Purification Flange Repair, Replacement, or Corrective Measure inlet to straineFdue to weld leak Replacement Replacement Replacement Replacement Replacement in support.
1 112" Refuelinn I Replaced flanae at Flaw or Relent Condition Found During Scheduled Section XI Examination or Test (Yes or No)
No No No No No Date Completed 1 015104 1 015104 1 019104 10/26/04 12/12/03 Repair/
Replacement Plan Number 2004-1 82 2004-1 83 2004-1 03 2004-1 54 2003-081