ML061870407
| ML061870407 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/05/2006 |
| From: | Grecheck E Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 06-402 | |
| Download: ML061870407 (17) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY
- RICHMOND, VIRGINIA 2326 1 July 5, 2006 United States Nuclear Regulatory Commission Serial No.:
06-402 Attention: Document Control Desk N LOSIVLH Washington, D. C. 20555-0001 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 outage N1 R18 and for the end of the second period, N1 R18a. This information completes the reporting requirements for North Anna Unit 1's second period of the third ten-year interval.
Should you have any questions regarding this submittal, please contact Mr.
Thom'as Shaub at (804) 273-2763.
Very truly yours, Eugene S. Grecheck Vice President - Nuclear Support Services Commitments made in this letter: None Attachment
cc:
U. S. Nuclear Regulatory Commission Region I I Sam Nunn Atlanta Federal Center 61 Forsyth Street, S. W., Suite 23T85 Atlanta, GA 30303-8931 Mr. S. R. Monarque U. S. Nuclear Regulatory Commission One White Flint North 1 1 555 Rockville Pike Rockville, MD 20852-2738 Mr. J. T. Reece NRC Senior Resident Inspector North Anna Power Station Mr. J. E. Reasor, Jr. (letter only)
Old Dominion Electric Cooperative lnnsbrook Corporate Center 4201 Dominion Boulevard Suite 300 Glen Allen, VA 23060 Mr. M. M. Grace Authorized Nuclear l nspector North Anna Power Station
Serial No.06-402 Docket No. 50-338 Attachment Owner's Activity Reports (Form OAR-1)
Refueling Outage - N1 R18, and End of Second Period - N1 R18a Virginia Electric and Power Company North Anna Power Station Unit 1
NORTH ANNA POWER STATION, N1 R18 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number: NlR18 ( h i t 1. Yd Owner Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
Plant-n, P
StRtinn Rnx 4n7 tdhxal VA 7.11 17 (Name and Address of Plant)
Unit No.
1 Commercial service date 6/6/78 Refueling outage no. N1 R18(10/07/04-4/10/06)
(If applicable)
Current inspection interval
?rd lg/i loo - ~i?n/na\\
(1st, 2nd, 3rd, 4th, other)
Current inspection period 7nd 1 511 In7 - 41.-
(1st, 2nd. 3rd)
Edition and Addenda of Section XI applicable to the inspection plan 1989 Edition No Addenda Date and revision of ins~ection ~ l a n IS1 Plan Rev 5 dated March 2006 including the IS1 Schedule Revision 11. dated Mav 2006 and the SPT lm~lementation Schedule Revision 3, dated Mav 2006 Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan Same I
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.
NIA Expiration Date NIA (If applicable)
Signed 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 V~roinia and employed by HSB CT of Harttord. CT have inspected the items described in this Owner's Activity Report, during the period 10107104 to 4110106 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 ol 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 a t e LAYA P
North Anna Power Station NIR18 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests I
B-A I
8.67 I
B-B 7.00
.OO 1.67 I
Total 1 ~ o t a l 1
B-D 28 00 S-E 1 1.OO 7.00 3.00 1 Note 1 Examinations Credited (%)
For The Period Examinations Credited (%) To Date For The Interval Remarks B G l 650 00 B G 2 49 00 B-K 18 00 B-L-1 1 00 I
B M 2 4 00 S-N 1 3 00 B N-2 1 00 1
B-N 3 1 00 I
B 0 I
3 00 I
I B-P 7 00 S-Q I
5 00 C-A 9 00 I
C-B 16 00 C-C 29 00 I
I C-D 17 00 C F-1 10900 100 00 100 00 100 00 00 00 100 00 00 00 00 100 00 100 00 100 00 100 00 100 00 100 00 100 00 196 00 16 00 5 33 00 00 1 00 00 00 00 300 200 3 67 500 900 500 38 00 64 77 73 47 59 26 00 100 00 66 67 00 00 00 71 43 80 00 48 15 56 25 68 97 58 82 74 31 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7
I C-G i
'Total Total Examinations Credited For This Period Eumination Category C-H Examinations Required For
~ h,
interval D-A F-A Total Examinations Credited (96)
For The Period i
i 3.00 I
1 I
I I
I I
37.00 366.00 R-A Total Examinations Credited (%) TO Date For The Interval
.OO Remarks 11.OO 129.00 59.00
.oo 91 6 7 100.00 20.00 33.33 Note 8 56.76 59.29 100.00 Note 8 66.10 Note 9
Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 Note 9 North Anna Power Station NIR18 OUTAGE Form OAR-1 Owner's Activity Report Table 1 Notes Abstract Of Examinations And Tests Examinations are limited to components selected.
Internal examinations is required only when a pump is disassembled for maintenance, repair, or examination. 6-L-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 6 - 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 Class 1 system pressure tests have been completed.
Relief will be requested for the regenerator heat exchanger welds.
See partial Examination attachment.
The number and percentages listed represent the total number of periods over the inspection interval. All required system pressure tests for Class 2 and 3 were not completed prior to the end of N1 R18 outage.
Risk inforrned program currently addresses categories B-F and B-J. See Partial Examination attachment.
Partial Examinations N1 R18 CA TEGORY ITEM DRAWING LINE NUMBER EXAM REMARKS R-A 65% UT coverage due to nozzle configuration. A request for relief will be submitted to the NRC.
50% UT coverage due to tee to pipe configuration. A request for relief will be submitted to the NRC.
39% UT coverage due to pipe to valve joint configuration. A request for relief will be submitted to the NRC.
35% UT coverage due to nozzle configuration. A request for relief will be submitted to the NRC.
NORTH ANNA POWER STATION N1 R18 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE qem Number Category No flaws or relevant conditions that require evaluation for continued service were identified for this period during this time frame Item Description Flaw Characterization (IWA-3300)
Flaw or Relevant Condition Found During Scheduled Section XI Exam or Test (Yes or No)
NORTH ANNA POWER STATION N1 R18 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Code Class NF NF NF 3
Repair, Replacement, or Corrective Measure Replacement Flaw or Relevant Replacement Replacement Repair I
Repair Replacement Repair Repair Repair Repair Repair Repair Repair Repair Repair Item Description Support Support Support Pump Pipe Pipe Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Penetration Cooler Description of Work Repair1 Replacement Plan Number Condition Found During Scheduled Section XI Examination or Test (Yes or Replaced Rod Date Completed Wall Leak in pump Casing Repaired Through-Wall Defect in Service Water Pipe Replaced Pipe and
'~lbow due to Through-Wall Leak in SI Pipe Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-1 44 Repaired coolers due to MIC Leaks per DCP 05-144 Repaired coolers due to MIC Leaks per DCP 05-1 44
Penetration yo,,.,
MC 1 Repair Penetration Repaired coolers I No 5/9/06 Safety Injection I_&
2006-031 R1 Pipe due to MIC Leaks 1 per DCP 05-1 44 1
Repaired 1.25 x 1" I No W-ide Indication at top of Penetration Cooler Sleeve I
Replaced Bent I
No upper Rod, Eye Nut and Locking Nuts Replaced monoball support with new support design due to crack in support. I Re~aired 1" linear I Yes indication in weld at Boron Injection Tank discharge
NORTH ANNA POWER STATION, N1 R18a OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT rd Report Number: N1R18;1 I. 3 lntRrvRl 7nd Peu@
Owner Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
P l
a n
t P Ann;l F7~t~tlon.y VA 731 17 (Name and Address of Plant)
Unit No. - 1 Commercial service date 6/6/78 Refueling outage no. (411 0106-4130106)
(If applicable)
Current inspection interval 1611 IQQ - LU~Q,~Q\\
(1st, 2nd, 3rd, 4th, other)
Current inspection period 7nd 1511 In7 - dl-(1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plan 1989 Edition No Addenda Date and revision of ins~ection plan IS1 Plan Rev 5 dated March 2006 includina the IS1 Schedule Revision 11. dated Mav 2006 and the SPT lrn~lementation Schedule Revision 3, dated Mav 2006 Edition and Addenda of Section XI applicable to repairs and replacements, if different than the inspection plan 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.
Cert~ficate of Authorization No.
NI A Expiration Date NIA (If applicable)
Signed Date b//'llcb I
I 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 4110106 to 4130106 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.
4 % ' Q G d A??
Commissions VA 4243 Inspector's Signature National Board, State, Province, and Endorsements Date L //P/o 6
North Anna Power Station N1R18a OUTAGE Form OAR-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests Examination Category Total l Total Examinations !E~a~ninations Required F~~
Credited For
~ h,
lntermval I This Period 6-A 8 67 00 I+
1 I
1 67 I
p q
T 3
700 B-G-1 6-G-2 I
I 00 100 00 100 00 100 00 B-E Total Examinations Credited (%)
For The Period 11 00 300 650 00 196 00 49 00 1600 Total Examinations Credited (%) TO Date For The Interval 32 69 47 62 60 71 45 45 Remarks Note 1 100 00 100 00 pi-p&
5 33 pq7ii 00 B-M-2 7 00 B-N-1 100 64 n 73 47 100 00 00 00 100 00 00 00 00 100 00 100 00 100 00 100 00 100 00 100 00 100 00 B N-2 6-N-3 1 00 I
00 1 00 1
00 1
59 26 00 100 00 66 67 00 00 00 71 43 80 00 48 15 56 25 68 97 58 82 74 31 Note 2 Note 3 Note 4 Note 5 Note 6 p z - T 7 G B-0 00 I
I B P I
7 00 I
300 I
200 1
C A C-B C-C C-D C F l 9 00 3 67 16 00 500 I
29 00 I
900 1
17 00 I
500 I
109 00 38 00 I
Total Examin~tiorts Examination Required For Category The Interval Total Examinations Credited For This Period r
Total 1 ~ o t a l Examinations Credited (%)
For The Period 100.00 100.00 100.00 100.00 100.00 Examinations Credited (%) To Date For The Interval Remarks 63.33 100.00 66.67 59.46 59.29 I
Note 7 Note 7 100.00 R-A 59 00 20 00 I
I 66.10 Note 8
Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 North Anna Power Station NIR18a OUTAGE Form OAR-I 0 wner 's Activity Report Table I Notes Abstract Of Examinations And Tests Examinations are limited to components selected Internal examinations is required only when a pump is disassembled for maintenance, repair, or examination. 6-L-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 E3-0 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 Class 1 system pressure 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 pressure tests for Class 2 and 3 were completed.
Risk informed program currently addresses categories 6-F and B-J.
NORTH ANNA POWER STATION N1 R18a OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE Condition Found During Scheduled Section XI Flaw Characterization Exam or Test Exam
/ ltem Number Category No flaws or rellevant conditions that require evaluation for continued service were identified for this period during this time frame Item Description
Code Class L
NORTH ANNA POWER STATION N1 R18a OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 3 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Repair, Replacement, or Corrective Measure Flaw or Relent Condition Found During Scheduled Section XI Examination or Test (Yes or No)
Item Description Date Completed Description of Work Repair1 Replacement Plan Number No repairs or replacements were credited to the second period during this time frame