ML071970472
| ML071970472 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/13/2007 |
| From: | Funderburk C Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 07-0457, N-532-1 | |
| Download: ML071970472 (19) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY
- RICHMOND, VIRGINIA 23 26 1 July 13, 2007 U.S. Nuclear Regulatory Commission Serial No.:
Attention: Document Control Desk NLOSIETS:
RO Washington, D.C. 20555 Docket No.:
50-339 License No.:
NPF-7 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
NORTH ANNA POWER STATION UNIT 2 OWNER'S ACTIVITY REPORTS In accordance with the reporting requirements of American Society of Mechanical Engineers (ASME) Code Case N-532-1, Dominion is submitting the Owner's Activity Reports (Form OAR-I), for refueling outage (N2R18). In addition, a corrected Owner's Activity Report is attached to document additional examination performed during the Fall 2005 refueling outage (N2R17), but not included in our January 25, 2006 submittal (Serial No.06-009).
Should you have any questions regarding this submittal, please contact Mr. Thomas Shaub at (804) 273-2763.
Very truly yours, Director - Nuclear Licensing and Operations Support Dominion Resources Services, Inc.
for Virginia Electric and Power Company Commitments made in this letter: None Attachments
- 1. Owners Activity Report North Anna Unit 2 Spring 2007 Refueling Outage (N2R18)
- 2. Corrected Owners Activity Report North Anna Unit 2 Fall 2005 Refueling Outage (N2R17)
cc:
U.S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth Street, SW Suite 23 T85 Atlanta, Georgia 30303 Mr. J. T. Reece NRC Senior Resident lnspector 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. R. A. Jervey NRC Project Manager U. S. Nuclear Regulatory Commission One White Flint North 1 1 555 Rockville Pike Mail Stop 8G9 Rockville, MD 20852 Mr. M. M. Grace Authorized Nuclear Insurance lnspector North Anna Power Station
Serial No. 07-0457 Docket No. 50-339 ATTACHMENT 1 OWNERS ACTIVITY REPORT NORTH ANNA UNIT 2 SPRING 2007 REFUELING OUTAGE (N2R18)
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION
NORTH ANNA POWER STATION, N2R18 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT y d Report Number: N7R18 (_Ulllt Owner: Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
P l
a n
t P.0. P.O.nx 407 I\\binecal VA 7.71 17 (Name and Address of Plant)
Unit No.
2 Commercial service date 12/14/1980 Refueling outage no.N2R18(10/30/05-4/22/07)
(If applicable)
Current inspection interval qd ~IWIAI~I - 17/4win\\
(1st, 2nd, 3rd, 4th, other)
Current inspection period 7,1d/(-,A
- fi/,?,f,R, (1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plan 1995 Edition 1996 Addenda Date and revision of inspection plan IS1 Plan Rev 8 dated 4/07 including the IS1 Schedule Revision I I, dated 7/07 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.
N/A Expiration Date N/A (If applicable)
C Signed 59" - fl//ud/~nptqwi~ct Date (Owner's or Owner's Designee, Title)
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 10/30/05 to 4/22/07, 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
North Anna Power Station N2R78 OUTAGE Form OAR-1 Owner's Activity Report Table I Abstract Of Examinations And Tests Remarks Total
/ Total Total
~ o t a l Examinations E-~lfl;natio?l Rrquird For C ~ t W W TIze ~
~
~
t
~
~
~
~
l I
I Note 1 Note 1 Note 2 Note 3 Note 4 Note 5 Note 5 Note 6 B-A 9.00 B-B 9 00 B-D 52 00 B-G-I I
410.00 B-G-2 27 00 B-K 14.00 B-L-I 1.OO B-N-1 3 00 B-N-2 1 00 B-N-3 1 00 B-0 3 00 B-P 6 00 B-Q 500 C-A 7 00 C-B 16 00 C-C 30 00 C-D 17.00 C-F-1 97 00 C-F-2 20 00 C-H 3 00 Examinations Examinations Exarninations Credited For Credited (5%)
Credited (%) To This Period
, For The Period Date For The Interval I
00
.oo 00 3 00 100 00 1
5185 20 00 100 00 1
50 00 I
76.00 I
1 100 00 8.00 I0000 3.33 I
100.00 00 00 66 34 70 37 54 76 00 1 00 100.00 i
66 67 00
.oo I
00 I
00
.oo 00 00 1
.OO
.oo I
2 00 100 00 1
66.67 3 00 100 00 1
80 00 I
3 33 10000
/
7143 5 00 I
10000 6250 7.00 10000 56 67 5 00 100 00 1
58.82 1
32 00 100 00 6907 I
8 00 10000 7000 00 I
00 33 33
Total E
~
~
~
~
~
~
~
~
~
~
~
satnination ~
~
~
~
j
~
~
d F~~
C u t ~. g o ~ ~1~~ rntenal I
I F-A I
413.00 1
106.00 95.50 1
59.81 I
I D-A 21.OO D-B 3.00 Total Total I ~ o t a l Examinations Exanlinations Examinations Credited For Credited (96)
Credited (96) To This Period For The Period lDate For The Interval I
Remarks I
5.00 100.00 71.43
.OO 33.33
.oo I
I I
I Note 6 R-A 57 00 17.00 57.89 100.00 Note 7
Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 North Anna Power Station N2R78 OUTAGE Form OA R-1 Owner's Activity Report Table I Notes Abstract Of Examinations And Tests Examinations are limited to components selected for examination.
Internal examination is required only when a pump is dissembled for maintenance, repair, or examination. B-L-1 has one scheduled examination of the external surface of one pump casing in accordance with Code Case N-481.
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 pressure tests have been completed.
See Partial Examination attachment.
The number and percentages listed represent the total number of periods over the inspection interval The risk informed program currently addresses categories B-F and B-J. See Partial Examination attachment.
Partial Examinations N2R18 CA TEGORY ITEM DRA WING LINE NUMBER EXAM REMARKS C-C C3. I0 12050-WMKS-SI-TK-2 12050-WMKS-SI-TK-2 C3.20 12050-WMKS-O107D 12050-WMKS-0111 DC C-F-1 C5.11 12050-WMKS-011 IAAG 12050-WMKS-0111 AG 12050-WMKS-0113C-2 C5.21 12050-WMKS-011 IAAC 12050-WMKS-011 IAAG 12050-WMKS-0111 AAJ R-A 2-SI-TK-2 WS-2 90% MT due to configuration 2-SI-TK-2 WS-3 80% MT due to configuration 8-QS-403-153A-Q3 52H 85.15% PT due to configuration 3"-Sl-456-1502-Q2 66H 81% PT due to configuration 6"-Sl-569-150242 SW-55 60% UT due to configuration 8-CH-605-153A-Q2 14 50% UT due to configuration 6"-RH-417-602-Q2 SW-56 88% UT due to configuration 3"-CH-402-150242 SW-49W 47% UT due to weld geometry 3"-Sl-424-1502-Q2 SW-64 50% UT due to configuration 3"-Sl-423-1502-Q2 23A 47% UT due to configuration 6"-RC-419-1502-Q1 80 50% UT due to configuration 27 112"-RC-403-2501 R-Q 9 49.9% UT due to weld geometry
NORTH ANNA POWER STATION N2R18 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE Exam Category There were no items with flaws or relevant conditions that required evaluation for continued service during N2R18 Item Number 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 N2R18 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 Replacement Replacement Replacement Repair Replacement Replacement Replacement Re~la~!me~t Replacement Replacement Replacement Replacement Item Description Feedwater Check Valve Snubber Snubber 12" Pipe Snubber Snubber Snubber Snubber Snubber Snubber Snubber Reactor CRDM Snubber Snubber Snubber Description of Work Repaired hinge pin Flaw or Relevant Condition Found During Scheduled Section XI Examination or Test (Yes or No)
No Date Completed Repair1 Replacement Plan Number pipe plug Replaced snubber I No 1
4/14/07 1
2007-041 Replaced snubber I No 1
4118107 1
2007-042 Re~aired X" Linear I No 1
5123107 1
2007-043
' Indication I
I I
Replaced snubber I No 1
4/14/07 1
2007-044 Replaced snubber I No 1
615107 1
2007-047 Rev. 1 Redaced snubber I No 1
4118107 1
2007-048
~eplaced snubber Replaced snubber Replaced snubber Replaced snubber Replaced seal weld Replaced snubber Replaced snubber Replaced snubber No No No No No No No No 411 4107 411 4107 411 4107 411 4107 517107 411 8107 411 8/07 411 8107 2007-051 2007-052 2007-053 2007-055 Rev. 1 2007-076 2007-088 2007-096 2007-097
Serial No. 07-0457 Docket No. 50-339 ATTACHMENT 2 CORRECTED OWNERS ACTIVITY REPORT NORTH ANNA UNIT 2 FALL 2005 REFUELING OUTAGE (N2R17)
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION
NORTH ANNA POWER STATION, N2R17 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT
'd Report Number: N7R17c ( ' t 3 Interval. 7nd Peckxi. 1st -)
Owner: Virginia Electric and Power Company, 5000 Dominion Boulevard, Glen Allen, VA 23060 (Name and Address of Owner)
P l
a n
p VA 731 I 7 (Name and Address of Plant)
Unit No.
2 Commercial service date 12/14/1980 Refueling outage no. N2R17(12/14/04-10/30/05)
(If applicable)
Current inspection interval qrd (1711 A I ~ I - 1711 w i n \\
(1st, 2nd, 3rd, 4th, other)
Current inspection period 7nd 1 1 711 4ln4 - fill ?/n8\\
( I st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plan 1995 Edition 1996 Addenda Date and revision of inspection plan IS1 Plan Rev 4 dated 8/05 including the IS1 Schedule Revision 7, dated 1/06 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.
N/A Expiration Date N/A (If applicable)
% J
~
V
~j~h.b;~dd/r e
Date b/m/6 7 (Owner's or Owner's De!ignee, Title)
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 12/14/04 to 10/30/05, 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
Total Examinations Exartrination Required For Category I The Interval B-A North Anna Power Station NZR77 OUTAGE Form OA R-1 Owner's Activity Report Table 1 Abstract Of Examinations And Tests Total Exantinations Credited For This Period Total Examinations Credited (%)
For The Period Remarks I
25.93 23.08 B-B 9.00 B-D 52.00 I
B-G-I 650 00 B-G-2 29 00 B-K 14 00 B-L-I 1 00 B-N-I 3 00 B-N-2 1 00 B-N-3 1 00 B-0 3 00 B-P 6 00 I
B-Q 4 00 C A 7 00 C-B 16 00 C C 29 00 C-D 16 00 C F-I 97 00 Note 1
.67 18.18 6.00 1
30.00 76 00 38 78 2 00 22 22 C-F-2 20 00 1
500 I
62 50 1
55 00 41 85 44 83 30 95 00 00 C G 2 00 Note 2 Note 2,8 Note 3 00 Note 4 Note 5 Note 1 Note 1 I
00 00 00 00 00 I
00 00 1
33 33 00 1
00 00 00 I
O0 I
O0 00 00 00 I
1 00 1
50 00 1
50 00 1 00 50 00 1
50 00 I
00 00 1
23 81 I
00 00 31 25 i
2 00 28 57 41 38 5 00 100 00 20 00 62 50 62 50 56 70
Total
' Total Total
' Total
~xam;natiolls ' Exurninations Exanzinations Examinations
~
~
~
~
i
~
~
d fir Credited For Credited (%)
Credited (%) To TIlr ~zterVal This Period For Tlze Period Date For The Interval Remarks I
I C-H 3.00 0 0 I
1 33.33 Note 6
.oo I
I D-A 21.OO 2 00 1
57.14 40.00 I
D-B I
3.00 00 33 33 Note 6 I
.oo Note 7 F-A 413.00 R-A 56.00 51.OO I
I 45.95 46.49 I
8.00 42.86 I
47.06
North Anna Power Station N2R17 OUTAGE Form OAR-1 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 for examination.
Note 3 Internal examination is required only when a pump is dissembled for maintenance, repair, or examination. B-L-1 has one scheduled examination of the external surface of one pump casing in accordance with Code Case N-48 1.
Note 4 Category B-0 is scheduled to be examined as part of the reactor vessel examination in the third period.
Note 5 The Class 1 leakage test is required to be performed every reheling outage. The number and percentages listed represent the total number of refueling outages anticipated over the inspection interval. All required system pressure tests have been completed.
Note 6 The number and percentages listed represent the total number of periods over the inspection interval. All required system pressure tests have been completed.
Note 7 The risk informed program currently addresses categories B-F and B-J. See Partial Examination attachment.
Note 8 Category B-G-2 has been revised to reflect additional examinations performed during the Fall 2005 refueling outage N2R17, but not included in our January 25,2006 submittal (Serial No.06-009).
Partial Examinations N2R17 CA TEGOR Y ITEM DRA WING LINE NUMBER EXAM REMARKS B-D B3.110 12050-WMKS-RC-E-2 C-C C3.20 12050-WMKS-0101A-1 C-F-1 C5. I I 12050-WMKS-0111 AJ 12050-WMKS-0111 AAN 11 81.4% UT EXAMINATION DUE TO NOZZLE TO PRESSURIZER CONFIGURATION 12 81.4% UT EXAMINATION DUE TO NOZZLE TO PRESSURIZER CONFIGURATION 13 81.4% UT EXAMINATION DUE TO NOZZLE TO PRESSURIZER CONFIGURATION 66% MT EXAMlNATlON DUE TO OBSTRUCTION 49% UT EXAMINATION DUE TO VALVE TO ELBOW CONFIGURATION 63% UT EXAMlNATlON DUE TO UPSTREAM VALVE BODY TAPER 88% UT EXAMINATION DUE TO PlPE REDUCER CONFIGURATION 53% UT EXAMlNATlON DUE TO PlPE TO VALVE CONFIRGURATION 75% UT EXAMINATION DUE TO COMPONENT CONFIGURATION 63.5% UT EXAMINATION DUE TO COMPONENT CONFIGURATION 53% UT EXAMlNATlON DUE TO COMPONENT CONFIGURATION
NORTH ANNA POWER STATION N2R17 OUTAGE FORM OAR-1 OWNER'S ACTIVITY REPORT TABLE 2 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATION FOR CONTINUED SERVICE There were no items with flaws or relevant conditions that required evaluation for continued service during N2R17 Exam Category Item Number Item Description Flaw Characterization (IWA-3300)
Flaw or Relevant Condition Found During Scheduled Section XI Exam or Test (Yes or No)
r-Code Class 3
3 (IW F) 2 (IW F)
MC MC MC MC MC MC MC MC MC MC MC MC MC MC NORTH ANNA POWER STATION N2R17 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 Item Description Flaw or Replacement Replacement Replacement Repair Repair Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement Replacement 4" Service Water Description of Work Replaced pipe due Relevant Condition Found During Scheduled Section XI Examination or Test (Yes or No)
N 0 Date Completed Repair1 Replacement Plan Number Pipe I to through wall leak I Service Water
]
Replaced bent rod I
No 1
6/22/05 Pipe Restraint I eye ends due to I
I Feedwater Pipe Restraint base material Penetration I Repaired indications I No 1
12/22/05 Penetration Cooler Cooler 1 in penetration cooler I I
water hammer Replaced restraint per DCP due to crack in rnonoball base material Penetration I
Installed plate over I
No 1
12/22/05 No 12/6/05 cone Repaired indications in penetration cooler Cooler No 12/22/05 Penetration Cooler Penetration 2" boss hole and in I I
Cooler I in penetration cooler I Penetration I Installed seal plates I No 1
12/20/05 sample plug hole Installed seal plates in penetration cooler Installed seal plates Cooler I in penetration cooler I Penetration 1 Installed seal plates 1 No 1
1/3/06 No 1 212 1 105 No 1 2/21 105 Cooler I in penetration cooler I Penetration I Installed seal plates I No 1
12/22/05 Cooler I in penetration cooler I I
Penetration I Installed seal plates 1 No 1
1/3/05 Cooler I in penetration cooler I Penetration I Installed seal plates 1 No 1
12/23/05 Cooler I in penetration cooler I Penetration I Installed seal plates I No 1
12/21/05 Cooler I in penetration cooler I Penetration I Installed seal plates 1 No 1
12/22/05 was removed Penetration I
Installed plug in I
No 1
12/22/05 Cooler Penetration Cooler in penetration cooler Installed plug in penetration sleeve where bottom boss Cooler No 1 2/21 105 penetration sleeve where bottom boss
Code Class MC MC MC Repair, Replacement, or Corrective Measure Item Description Description of Work Flaw or Relevant Condition Found During Scheduled Section XI Examination or Test (Yes or I
Cooler I boss in penetration I Replacement Penetration Replacement Replacement I
I tubing due to arc I
I penetration cooler I was removed Installed plate for top Penetration Cooler Penetration Cooler Replacement Date Completed NO)
No W Tubing I Replaced section of I No Repai rl Replacement Plan Number cooler Installed plate for bottom boss in penetration cooler Installed plate for bottom boss in No No