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
VIRGINIAELECTRIC A N D POWER COMPANY RICHMOND, VIRGINIA 23261 December 16, 2004 U.S. Nuclear Regulatory Commission Serial No.: 04-625 Attention: Document Control Desk NLOS/ETS: RO Washington, D.C. 20555 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. N1R16 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT Report Number: N l R l 6 lulyt
. . m.
?Id 7nd Periad 1st RAfllAlinn!
Owner Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
.P a
-nlt P 0 Bor 407, hdineral VA 3.11 17 (Name and Address of Plant)
Unit No. 1 Commercialservice date 6/6/78 Refueling outage no. N1R16 (5/01/02-4/18/03]
(If applicable)
Current inspection interval -
4 (5W9ee(30Loa\
(1st , 2nd, 3rd, 4th. other)
Current inspectionperiod 7nd (!illIn3 - 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 includingthe IS1 Schedule Revision 8, dated 8/04 Edition and Addenda of Section XI applicableto repairs and replacements, if diierent than the inspection plan Same Plant Issues N-2003-3021,2004-1145,and 2004-2566 were submitted.
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 Inspectors and the State or Province of Virainia and employed by HSB-CT of 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.
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
=
North Anna Power Station N1R16 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests Total Total Total xaminations Examinations Examinations Examinations Credited For Credited (%) Credited (%) To The Interval This Period For The Period Date For The Interval Remarks B-B 7.00
.oo
.oo
.oo
.oo 32.69 23.81
- I B-D 28.00 2.00 28.57 42.86 I
B-E B-G-1 11.00 650.00 1.OO 196.00 33.33 100.00 27.27 64.77 1
Note 1 B-G-2 49.00 9.00 59.18 Note 1 56.25 B-K 18.00 2.00 40.74 Note 2 37.50 B-L-l 1.oo .OO .oo Note 3
.oo B-M-2 4.00 .oo .oo 100.00 Note 4 B-N-1 3.00 .00 .oo 33.33 I
B-N-2 B-N-3 1.oo 1.00
.oo
.00
.oo .00 I
.oo .oo B-0 3.00 .oo .00 Note 5
.oo B-P 7.00 1.oo 50.00 42.86 Note 6
~~ ~ ~~~~~~
6-Q 5.00 .00 .oo 40.00 C-A 9.00 2.67 Note 7 72.73 37.04 C-B 16.00 1.00 20.00 31.25 c-c 29.00 9.00 Note 2 100.00 68.97 C-D 16.00 5.00 100.00 62.50 C-F-1 106.00 20.00 52.63 59.43
Total Total Total Examinations Examinations Examinations Credited For Credited (%) Credited (%) To This Period For The Period Date For The Interval Remarks I C-F-2 I 30.00 3.00 33.33 I 43.33 C-G 2.00 1 .OO 50.00 50.00 C-H 3.00 .oo 33.33 Note 8
.oo D-A 37.00 8.00 66.67 48.65 Note 8 F-A 366.00 100.00 .-
77 l=r) 51.37 I I I I # I I I I R-A 59.00 42.37 Note 9 6.00 30.00
North Anna Power Station N1R16 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Notes Abstract Of Examinations And Tests Note 1 Examinations are limited to components selected for examination Note 2 See Partial Examination attachment Note 3 Internal examination is required only when a pump is disassembledfor 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.
Note 4 Examination is required only when a valve is disassembledfor maintenance, repair, or examination.
Note 5 Category B-0 is scheduled to be examined as part of the reactor vessel examination in the third period.
Note 6 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.
Note 7 Relief will be requested for the regenerator heat exchanger welds.
Note 8 The number and percentages listed represent the total number of periods over the inspection interval. All required system presure tests have been completed.
Note 9 Risk informed program currently addresses categories B-F and 6-J.
Partial Examinations N l R l 6 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.
11715-WMKS-0107C 8"-QS4-153A-Q3 34H 85% PT partial coverage due to pipe clamp. A request for relief will be submitted to the NRC.
NORTH ANNA POWER STATION NlR16 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE Flaw or Relevant Condition Found During Scheduled Section XI Exam Item Number Flaw Characterization Exam or Test Category Item Descriation (IWA-3300) (Yes or No)
F-A F1.20 Support R-214 on drawing Indicationswere removed by No 11715-WMKS-0101A-1 grinding. The reduced weld size was evaluated and found to be adequate.
F-A F1.20 Support R-216 on drawing Loose bolts were evaluated No 11715-WMKS-0101A-2 and found to be acceptable F-A F1.10 Support R-39 on drawing One of the anchor bolts Yes 11715-WMKS-0103BH installedat 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 acceptable.
F-A F1.20 Support SH-28 on drawing The actual spring setting was Yes 11715-WMKS-0104A-2 verified by evaluation F-A F1.20 Support RH-5 on drawing Anchor bolts are not installed Yes 11715-WMKS-0104B flush with the base plate.
Bolts were adequate to withstand design load.
F-A F1.20 Support A-1 on drawing Sliding surface of support is Yes 11715-WM KS-0111XE painted restricting motion of support but found operable.
F-A F1.10 Support R-15 on drawing Sway struts were installed Yes 11715-WMKS-0113A-4 where the design drawing showed threaded rods.
Evaluation determined this was desirable.
NORTH ANNA POWER STATION N1R16 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Flaw or Relent Condition Repair, Replacement, Found During or Corrective Scheduled Repair/
Code Measure Item Description Description of Section XI Date Replacement Plan Class Work Examination or Completed Number Test (Yes or r
No)
Repair No la15/03 2003-052 indications by
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) a P
n-l 403 Mineral VA 7.1117 (Name and Address of Plant)
Unit No. 1 Commercial service date 6/6/78 Refueling outage no. N1R17 (4/19/03-10/06/04)
(If applicable)
Current inspection interval ?rd 15/1/aa -
(1st , 2nd, 3rd, 4th, other)
Current inspection period 3rd i5111n9- A/.-
(1st ,2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plan 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 Same Plant Issues N-2001-1678, 2003-2838, 2003-3021, 2004-1241, 2004-2283,2004-2566, and 2004-423ORl were submitted.
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)
Signed rsr 4 ,
C h ~ , j i \ d if 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 Inspectors and the State or Province of Virqinia and employed by HSB-CT of 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.
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/Ay
NonCh Anna Power Station N7R77 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests Total Total Total Total Examinations Examinations Examinations Examinations Examination Required For Credited For Credited (%) Credited (%) To categofY The Interval This Period For The Period Date For The Interval Remarks
.00 .oo 32.69 B-B 7.00 1.33 80.00 42.86 B-D 60.71 Note 1 28.00 7.00 100.00 8-E 11.oo 2.00 66.67 36.36 B-G-1 650.00 196.00 64.77 Note 2 100.00 B-G-2 49.00 16.00 100.00 73.47 Note 2 B-K 18.00 5.33 100.00 59.26 B-L-1 1.oo .00 .oo .00 Note 3 B-M-2 4.00 .00 100.00 Note 4
.oo B-N-1 3.00 .00 .oo 33.33 8-N-2 1.00 .00 .oo .00 B-N-3 1.oo .oo .oo .00 B-0 3.00 .00 .oo .oo Note 5 B-P 7.00 2.00 100.00 57.14 Note 6 B-Q 5.00 1.OO 50.00 60.00 C-A 37.04 Note 7 9.00 2.67 72.73 C-B 16.00 4.00 80.00 50.00 c-c 29.00 9.00 100.00 68.97 C-D 16.00 5.00 100.00 62.50 C-F-1 106.00 36.00 94.74 74.53
Total Total Total Total Examinations Examinations Examinations Examinations Examination Required F~~ Credited For Credited (%) Credited (%) To CategOrY The Intenal This Period For The Period Date For The Interval Remarks C-F-2 30.00 4.00 44.44 46.67 C-G 2.00 1.OO 50.00 50.00 C-H 3.00 .00 .oo 33.33 Note 8 D-A 37.00 10.00 83.33 54.05 Note 8 F-A 366.00 123.00 95.35 57.65 R-A 59.00 17.00 85.00 61.02 Note 9
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 Examinations are limited to components selected.
Note 3 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.
Note 4 Examination is required only when a valve is disassembled for maintenance, repair, or examination.
Note 5 Category B-0 is scheduled to be examined as part of the reactor vessel examination in the third period.
Note 6 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 presuretests have been completed.
Note 7 Relief will be requestedfor the regenerator heat exchanger welds.
Note 8 The number and percentages listed represent the total number of periods over the inspection interval. All required system presure tests have been completed.
Note 9 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 11715-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.
11715-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.
NORTH ANNA POWER STATION NlR17 OUTAGE FORM OAR-1 OWNERS ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE Flaw or Relevant Condition Found During Scheduled Section XI Exam Item Number Flaw Characterization Exam or Test Category Item Description (IWA-3300) (Yes or No)
F-A F1.30 11715-WMKS-Ol17A hanger was evaluated and found not to effect operability F-A F1.30 Support A-29 on drawing Minor gap between baseplate Yes 11715-WMKS-OlO5C and concrete wall evaluated and found not to effect operability
NORTH ANNA POWER STATION N1R17 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Flaw or Relent Condition Repair, Replacement, Found During or Corrective Scheduled Repair/
Code Measure Item Description Description of Section XI Date Replacement Plan Class Work Examination or Completed Number Test (Yes or No) 1 Replacement Charging Snubber Replaced snubber No 1015104 2004-182 due to visual and functional test failure 1 Replacement Reactor Coolant Replaced snubber No 1015104 2004-183 Snubber due to visual and functional test failure.
2 Replacement Safety Injection Replaced 1 2 LHSl No 1019104 2004-103 Pipe suction pipe due to through wall leak.
2 Replacement Feedwater Replaced monoball No 10/26/04 2004-154 support support with strut due to indications in support.
3 Replacement 1 112" Refuelinn I Replaced flanae at No 12/12/03 2003-081 Purification Flange inlet to straineFdue to weld leak