ML20094K328
| ML20094K328 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 03/16/1992 |
| From: | Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 92-152, NUDOCS 9203200216 | |
| Download: ML20094K328 (11) | |
Text
_ - _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _
Viimixir I!.i:n alir axn l'ows:n ro>ii.axy l{ IrllM ON il.Ylif ulNir UllU hl March 15,1992 U. S. Nuclear Regulatory Commission Sorial No.
02 152 Attn.: Document Control Desk Nl.&P/TAH: R0 Washington, D.C. 20555 Docket No.:
50 338 License No.:
NPF 4 Gentlemen:
V.lf1GINIA__ELEGIIRC_AUD.fQWER CQMEANY l
NORTH ANNA POWER.SIAILQN UNIT 1 SJE AM GENER ATOR TUDE PLUGGING _f1EPORT North Anna Unit i recently completed its mid cycle Steam Generator Tube Inspection outage. Iri accordance with Technical Specification 4.4.5.5.a, we are submitting this summary of thu tubo plugging acti"";os performed during the outage. provides a listing of those tubes plugged during the outage including one previously plugged tube for which the cold leg plug was replaced. Attachment 2 provides a summary of the current plugging level of each steam generator.
If you have any further questions, please contact us.
Very truly yours, r
_ i lly m
4 4
3
.3 W. L. Stewait~.
Senior Vice President - Nuclear Attachments pc: U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, N.W.
Suite 2000 Atlanta, Georgia 30323 Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station 92o3200216 920316
(
I PDR ADOCK 05o00338 f
Docket No.: 50 338 Sorial No.
92 152 Attachinont i Page 1 of 10 NORTH ANNA UNIT 1 MID CYCLE O JTAGE 1992 STEAM GENERATOR "A"- TUBE PLUGGING
SUMMARY
Row Col.
Row Col. __.
2 2
4 16 5
2 18 16 5
3 17 18 12 3
21 18 13 3
2 19 3
4 2
20 5
4 18 20 6
4 19 20 7
4 t
21 10 4
28 21 7
5 34 21 14 5
5 22 17 5
?0 22 18 5
22 22 19 5
27 22 6
6 33 22 7
6 20 23 7
9 21 23 11 7
38 23 17 7
39 23 2
8 7
24 22 9
8 24 4
10 10 24 8
10 22 24 17 10 30 24 18 10 12 26 17 11 15 26 9
12 5
27 17 13 7
27 6
14 9
27 5
15 7
28 22 15 26 28
Locket No.: - 50 338 SedalNo.
92 152 Attachmant 1 Page 2 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 ETEAM GENERATOR "A"- TUBE PLUGGING SUMMABY Row Col.
Row Col.
5 29 20 45 19 29 31 45 24 29 13 46 5
30 19 47 15 30 20 47 29 30 23 47 31 31 33 47 10 32 3
48 16 32 13 48 19 32 32 48
'**24 33 46 48 l
36 33 2
49 4
35 10 49 18 35 32 50 13 36 33 50
.11 38 45 50 28 38 38 51 18 39 42 51 40 39 46 51 34 40 8
52 38 40 44 52 41-40 22 53 42 40 11 54 44 40 32 54 4
41 37 54 12 41 39 54 l
39 41 46 54 G
42 3-55 7
42 25 55 9
42 7
56 34-42 15 56
- 13 43 2
57
Docket No.: 50 338 Sorial No.
92 152
- Page 3 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 STE AM GENERATOR " A" - TUBEf_ LUGGING
SUMMARY
Row Col.
Row Col.
33 38 19 75 5
59 36 75 25 59 20 76 43 59 6
81 8
60 22 81 3
61 4
84 8
62 6
88 42 64 11 88 5
66 5
89 9
66 11 89 23 66 19 90 15 67 12 91 2
68 3
92 9
68
- 7 92 5
70
- 6 93 14 70 7
93 36 70
- 6 93 10 71 5
94 32 72
- 7 94 17 73 TOTAL TUBES PLUGGED (HOT LEG) - 166 w
l TOTAL TUBES PLUGGED (COLD LEG) - 167 w
PREVIOUSLY INSTALLED PLUG REMOVED IN COLD LEG ONLY, NEW PLUG INSTALLED SENTINEL PLUG IN COLD LEG
- *
- TUBE PLUGGED AND STABILIZED
Docket No.: 50 338 Sedal No.
92 152 Attachmant 1 Pago 4 of 10 NORTH ANNA UNIT 1 MID CYCLE OUTAGE 199.2 STEAM GENERATOR *B"- TUDE PLUGGING
SUMMARY
Row Col.
Row Col.
2 4
35 22 4
6 2
23 16 6
3 23 11 7
6 24 11 8
7 24 12 8
15 24
- 25 8
22 24 6
9 20 25 15 9
21 25 2
11 39 25 11 11 5
27 16 11 7
27 18 12 8
27 2
13 14 27 8
13 21 27 10 13 37 27 11 13 9
28 13 14 11 28 15 14 12 28 17 14 20 28 12 15 37 28 20 15 5
29 18 16 9
29 8
17 3
30 2
20 6
30 10 21 15 30 14 21 6
31 36 21 10 31 37 21 15 31 3
22 21 31 16 22 12 32 21 22 3
33
Docket No.: 50 338 Sodal No.
92 152 Attachinont 1 Page 5 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGEl932 STEAM GENERATOR "B" TUBE P111GGING
SUMMARY
Row Col.
Row Col.
6 33 28 42 10 33 33 42 18 33 41 42 22 33 37 43 2
34 39 43 15 34 13 44 4
35 19 44 2
36 6
45 9
36 14 45 15 36 10 46 18 36 19 46
- 25 36 20 46 4
37 45 46 8
37 6
47 28 37 10 47 6
40 27 47 7
40 26 48 15 40 28 48 41 40 29 49 2
41 33 50 4
41 20-51 5
41 34 51
-9 41 40 51 18 41 45 51 22 41 12 52 28 41 33 53 34 41 46 53 41 41 10 54 10 42 14 54 14 42 27 54 23 42 34 54 26 42 35 54
Docket No.: 50 338 SonalNo.
92 152 Attachntant 1 Page 6 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 STEAM GENERATOR *B"- TUBE PLUGGING
SUMMARY
Row Col.
Row Col.
39 54 4
66 43 54 10 66 42 55 32 66 9
56 8
68 13 56 15 70 16 56 13 72 8
58 35 72 26 59 38 72 18 60 12 74 36 62 15 74 3
63 33 74 26 64 2
76 34 64 16 76 9
65 15 77 13 65 22 83 16 G5 13 90 TOTAL TUBES PLUGGED - 160 TUBES PLUGGED AND STABILIZED
.I.
I
Docket No.: 50 338 Sortal No.
92 152-
. Page 7 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 STEAM GENERATOR "C"- TUBE PLUGGING
SUMMARY
Row Col.
Row Col.
6 3
9 14 2
4 11 14 6
4-11 16
.12 4
26 16 14 4
27 16 12 5
29 16 13 5
19 17 16 5
24 17 14 6
27 17 17 6
17 18 3
7 27 18 16 7
30 18 17 7
11 19' 21 7
22 19 14 8
5 20 25 8
20 20 4
9 22 20 8
9 37 20 15 9
12 21 20 9
16 21 12 10 22 21-
'14 10 2
22 16 10 5
22 24 10 15 22 5
11 32 22 18 11 2
23 24 11 10 23 26 11~
23 23 27 11 30 23 25 12 5
24 6
13 6
24 4
14 8
24
L' Dockst No.: 50 338
[
Serial No.
92 152
_. Page 8 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 STEAM GENERATOR "C"- TUBE PLUGGING
SUMMARY
Row Col.
Row Col.
17 24 7
36 35 24 11 36 3
25 14 36 23 25 24 36 7
26 33 36 10 26 38 36 22 26 40 36 2
27 5
37 21 27 7
37 24 27 26 37 16 28 32 37 10 29 23 38 18 29 11 39 16 30 13 39 18 30 5
40
-38 31 6
40 40 31 25 40 5
33 36 40 6
33 15 41 8
33 34 41 9
33 45 41 36 33 34 42 38 33 41 42 11 34 45 42 21 34 3
43 11 35 8
43 12 35 15 43 13 35 20 43 25 35 37 43 38 35 16 44 39 35 18 44 4
36 36 44
Dockti No.: 50-338 Sodal No.
92 152
. Page 9 of 10 NORTH ANNA UNIT 1 MID-CY_01.E OUTAGE 1992 STEAM GENERATOR "C" TUBE PLUGGING
SUMMARY
Row Col.
Row Col.
11 45 32 57 19 45 12 58 16 46 44 58 18 46 28 59 27 46 12 60 26-47 27 60 L
37 47 10 61 28 48-28 61 8
49 17 62 9
49 6
63 14 49 17 63 15 49 30 63 16 49 11 64 17 49 23 64 37 49
.9 64 22 50
'1 64 25 50 9
65 44 50 10 65 18 51 30 65 35 51 4
66 20 52 24 66 36 52 15 67 42 53 30 67 18 54 34 68 37 54 7
69 16 55 29 69 33 55 3
70 25 56 4
70
-26 56 18 70 7
57 28 70 l
10 57 30 70 25 57 27 71
Docket No.: 60 338 Serial No.
92 158
- Pcge 10 of 10 NORTH ANNA UNIT 1 MID-CYCLE OUTAGE 1992 STEAM GENERATOR "C"- TUBE PL!)GGING SUMMAjlY Row Col.
Row Col.
10 72 11 83 26 72 6
86 3
73 11 86 27 75 12 87 17 80 w
TOTAL TUBES PLUGGED = 201 t
l l
._--.. -... ~. -.... -.... -.
_.-.. -.~.- ~. -. ~.
...~....-
. Docket No.: 50 338 Serial No.
92 152-Attachmont 2 Page 1 of 1 NORTH ANNA UNIT 1 MID CYCLE OUTAGE 1992 STEAM GENERATOR TUBE PLUGGING
SUMMARY
.A B
C
=> TOTAL No. Previously Plugged Tubes 463 425 650
=>
1538 No. Tubec Plugged in 1992 Mid Cycle Outage 166 160 201
- o 527 Total Tubes Plugged 629 585 851
=>
2065
% TUBES PLUGGED 18.6.17.3 25,1 20,3
+
I l
.