ML20034E700
| ML20034E700 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 12/31/1992 |
| From: | VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | |
| Shared Package | |
| ML20034E694 | List: |
| References | |
| NUDOCS 9303010215 | |
| Download: ML20034E700 (89) | |
Text
. _ _ _ _.
3 i
ATTACHMENT "A" NORTH ANNA POWER STATION UNIT 1 1992 ANNUAL STEAM GENERATOR INSERVICE INSPECTION REPORT VIRGINIA ELECTRIC AND POWER COMPANY 9303010215 930224 PDR ADOCK 05000338 G
PDR J
I I
l l
I TABLE OF CONTENTS Title Page Unit 1 S/G "A" Examination Summary 1-1 Unit 1 S/G "B" Examination Summary 2-1 Unit 1 S/G "C" Examination Summary 3-1 Glossary of Terms 4-1 i
ATTACHMENT "A" i
)
i 1
STEAM GENERATOR "A" MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 i
NORTH ANNA 1 In Steam Generator "A", 2,924 tubes were inspected full length with bobbin probes except for the U-bend area of the Row 2 tubes which were examined in the 7H to 7C tube support region (U-bend) with RPC probes. One tube (R7C93) could not be examined full length, because a restriction prevented passage of the eddy current probe. That tube was plugged as a precautionary measure. This is 100% of the
~
available tubes. Supplemental examinations were also performed using Rotating l
Pancake and 8x1 probes where additional confirmatory or other data was desired. Of I
the tubes examined 60 had pluggable circumferential indications,98 had pluggable axial indications, one had a pluggable indication between 40% and 49% through wall, nine had indications between 30% and 39% through wall,21 had indications between 20% and 29% through wall,21 had indications between 10% and 19% through wall seven were plugged as a precautionary measure, and one tube was replugged. See
Unit 1 S/G 'A' Examination Summary" for details.
i s
1 i
1-1 i
i J
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
Ro.E E0.1 in.d L.9_c Remarks 2
2 47 2H P
2 2
sal 2H P
5 2
D1 1H P
5 2
SAI 1H P
\\
5 3
99 2H P
5 3
sal 2H P
12 3
SAI 1H P
13 3
SCI 1H P
13 3
SCI 4H P
3 4
SAI 1H~
P 5
4 SCI 1H P
6 4
sal 1H P
7 4
sal 1H P
10 4
SAI 1H P
1 7
5 SAI 3H P
14 5
80 1H P
14 5
SAI 1H P
17 5
SCI 1H P
17 5
SCI 2H P
18 5
77 1H P
18 5
sal 1H P
18 5
SAI 5H P
19 5
SCI 1H P
G 6
MCI 1H P
7 6
SCI 2H P
1-2
ATTACHMENT ' "A" i
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 i
t 1MIT 1 S/G "A" EXAMINATION
SUMMARY
Ren Cal 10 4 Lag Remarks i
9 7
SAI 1H P
I 11 7
SCI 1H P
l i
17 7
SCI 1H P
4 4
}
2 8
DIN 2H P
2 8
89 5H P
2 8
SAI 5H P
i 16 8
INR 2H 16 8
INR 3H i
i 20 9
INR 4C j
20 9
INR 3C 22 9
SCI 2H P
4 10 SAI 1H P
8 10 SCI 1H P
^
17 10 MCI 1H P
l j
i 18 10 SAI 1H P
i 17 11 SCI 1H P
9 12
-99 2H P
9 12 SAI 2H P
17 13 SCI 1H P
6 14 SAI 1H P
5 15 SAI 2H P
4 22 15 SCI 1H P
a
^
4 16 SCI TSH P
5 16 23 TSH 1-3 4
' ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
R9JE C.93 lad LQg Remarks 18 16 SAI 2H P
17 18 SCI 1H P
21 18 SCI 1H P
29 18 INR AV2 34 18 INR 1H 2
19 SCI 1H P
27 19 INR AV3 2
20 SAI 1H P
2 20 SAI 2H P
18 20 DI 2H P
18 20 sal 2H P
19 20 SAI 2H P
19 20 SAI 3H P
32 20 INR AV3 8
21 93 3H P
8 21 SAI 3H P
8 21 SAI 5H P
28 21 SCI 1H P
34 21 SAI 1H P
l 5
22 DI 2H P
5 22 SAI 2H P
20 22 SCI 2H P
22 22 DI SH P
22 22 SAI SH P
1-4
ATTACHMENT "A" i
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 l
UNIT 1 S/G "A" EXAMINATION
SUMMARY
H2.E Pdd la.d LRg Pemarks 27 22 SCI 1H P
33 22 SAI 1H P
33 22 SAI 2H P
20 23 SCI TSH P
21 23 SCI TSH P
38 23 D1 1H P
38 23 SAI 1H P
39 23 sal 1H P
j l
7 24 SCI 1H P
r l
8 24 88 2H P
8 24 98 SH P
8 24 SAI 2H P
8 24 SAI 5H P
10 24 sal 4H P
22 24 SCI 2H P
30 24 SCI 2H P
34 25 12 AV3 12 26 85 2H P
12 26 mal 2H P
15 26 SCI TSH P
35 26 29 TSH 5
27 80 1H P
5 27 SAI 1H P
7 27 SCI 2H P
1-5
i ATTACHMENT "A ' -
NORTH ANNA UNIT #1 3
MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
i M
M IDI k.9g Remarks 9
27 81 3H P
l 9
27 sal 3H P
l 13 27 INR TSH 7
28 SAI 4H P
26 28 SAI 2H P
5 29 92 1H P
5 29 SAI 1H P
19 29 SCI TSH P
24 29 SCI 1H P
24 29 SCI 4H P
l 5
30 SCI 3H P
10 30 INR TSH
\\
15 30 DI 3H P
i 15 30 100 3H P
15 30 sal 3H P
29 30 MCI 1H P
12 31 17 TSH 13 31 27 TSH 31 31 SCI 1H P
10 32 SCI 3H P
16 32 100 5H P
16 32 SAI 5H P
19 32 MCI TSH P
10 33 INR TSH 11 33 19 TSH 1-6
I ATTACHMENT "A" NORTH ANNA UNIT #1 i
MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 j
UNIT 1 S/G "A" EXAMINATION
SUMMARY
Hgg QgJ Ind (g_q Remarks I
12 33 21 TSH 24 33 MCI TSH P
j 36 33 SAI 2H P
13 34 22 TSH i
14 34 35 TSH 4
35 SAI 1H P
13 35 27 TSH 18 35 SAI 1H P
13 36 31 TSH P
13 36 D1 2H P
f 13 36 SAI 2H P
i 15 36 28 TSH 13 37 38 TSH 11 38 SCI 1H P
14 38 32 TSH 28 38 sal 3H P
43 38 INR 4C 6
39 INR 5H i
12 39 27 TSH l
13 39 17 TSH 15 39 38 TSH 16 39 16 TSH i
i l
1-7 j
l
1 i
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
R9_u Rol Ind Los Remarks 18 39 SCI 1H P
40 39 SCI 1H P
15 40 24 TSH 34 40 sal 1H P
38 40 SAI 1H P
41 40 SAI 4H P
l 42 40 SAI 1H P
44 40 SAI 3H P
4 41 SAI 1H P
12 41 SAI 1H P
15 41 15 TSH 39 41 D1 1H P
39 41 SCI 1H P
39 41 SCI 2H P
5 42 95 5H P
5 42 SAI SH P
7 42 SAI 1H P
9 42 SAI 1H P
13 42 29 TSH 17 42 14 TSH 30 42 INR 7H
)
I 1-8
ATTACHMENT "A '
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
roe Cal Ind Lgs Remarks 34 42 SCI 1H P
34 42 SCI 2H P
17 43 18 TSH 9
44 22 SH 10 44 INR TSH 11 44 12 TSH 14 44 22 TSH 15 44 23 TSH 16 44 15 TSH 32 44 29 TSH 15 45 25 TSH 20 45 SCI TSH P
20 45 SCI 2H P
31 45 SCI 1H P
13 46 SCI TSH P
30 46 23 TSH 19 47 SAI 5H P
20 47 SCI 2H P
23 47 SAI 5H P
33 47 INR TSH P
33 47 SAI TSH P
33 47 SAI 1H P
3 48 SAI 4H P
1-9
5 ATTACHMENT 'A '
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
M Qgl lag jag Remarks 44 52 SCI 1H P
22 53 99 2H P
22 53 SAI 2H P
11 54 SCI 1H P
11 54 SCI 2H P
i 32 54 SCI 2H P
37 54 SAI 1H P
39 54 SCI 1H P
46 54 MAI 2H P
3 55 SCI 5H P
25 55 SCI TSH P
30 55 31 TSH 5
56 INR 5H 7
56 DI 5H P
7 56 SAI 5H P
8 56 INR 6H 15 56 SCI TSH P
2 57 SAI SH P
10 57 INR 6H 30 57 INR TSH 33 58 sal 2H P
44 58 14 AV3 l
l 1 - 11 i
\\
ATTACHMENT "A" i
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
Ron Csl Ind Lsq Remarks l
l 5
59 D1 1H P
5 59 SAI 1H P
[
25 59 sal TSH P
43 59 39 1H P
43 59 SAI 1H P
8 60 SAI 6H P
25 60 17 AV4 i
37 60 26 AV4 42 60 15 AV3 44 60 16 AV3 i
3 61 SAI 5H P
8 62 DI 5H P
8 62 SAI 5H P
20 63 32 1H 20 63 30 2H 20 63 INR 2H 21 63 30 TSH 10 64 INR TSH 21 64 INR TSH 42 64 D1 1H P
42 64 SAI 1H P
22 65 INR SC 5
66 DI 5H P
5 66 SAI 4H P
5 66 SAI 5H P
9 66 SAI 4H P
1-12 l
ATTACHMENT 'A '
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
H.RE Cd21 IDA Lp_g Remarks 13 66 INR TSH 23 66 47 TSH P
15 67 DI 5H P
15 67 SAI 5H P
2 68 87 5H P
2 68 SAI 5H P
9 68 SCI 2H P
5 69 DIN 7H 26 69 INR TSH 36 69 25 AV3 5
70 SAI 1H P
5 70 SAi 5H P
36 70 SAI 2H P
10 71 SCI TSH P
16 72 INR TSH 24 72 16 AV2 32 72 SAI 2H P
17 73 SAI 1H P
17 73 SCI 2H P
l 24 73 24 AV2 27 73 INR AV2 29 73 14 AV2 32 73 INR AV2 1 -13
ATTACHMENT "A '
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 t
UNIT 1 S/G "A" EXAMINATION
SUMMARY
i Ron Csl IILd idLa Remarks 35 74 13 AV3 36 74 INR AV3 l
38 74 INR AV2 13 75 16 AV4 l
19 75 87 1H P
[
19 75 D1 1H P
19 75 SAI 1H P
36 75 87 2H P
l 36 75 SAI 2H P
i 15 76 INR 6H l
20 76 DI 2H P
20 76 SAI 2H P
P.S 76 17 AV3 j
36 76 INR AV2 33 78 INR AV1 8
79 INR 4H 6
81 SCI 4H P
22 81 SAI 5H P
l 28 81 INR TSH 4
83 INR 6H 4
83 INR 7H t
4 84 INR
~7H P
4 84 SAI 1H P
t i
i 20 84 INR AV2 3
85 INR 7H 1 -14 1
++=.qs-e--w
^?---
ATTACHMENT 'A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
l Hnn Rol lad Lgn Remarks i
}
i l
4 85 INR 6H 4
85 INR 7H 22 85 12 AV3 26 85 INR AV2 4
87 INR 7H 9
87 INR AV1 3
88 INR 6H 3
88 INR 7H 4
88 INR 7H 6
88 SCI 1H P
11 88 48 2H P
11 88 SAI 1H P
11 88 SAI 2H P
5 89 sal 5H P
11 89 99 1H P
11 89 SAI 1H P
19 90 SAI 5H P
19 90 sal 6H P
12 91 SAI 5H P
3 92 97 3H P
3 92 sal 3H P
3 94 21 SC P
5 94 DI.
1H P
5 94 SAI 1H P
P, '
13 43 1-15
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
Run G_ol lag M
Remarks P,1 33 50 14 70 P,1 i
P, 2, *
- i 7
92 P, 2, *
- 6 93 i
7 93 RST TSH P, 3 P, 2, **
8 93 1
P, 2 **
7 94 l
EXPLANATION OF REMARKS P.
Plugged Tube 1.
These tubes were suspect from the last Eddy Current Examination.
j Re-examination failed to reveal any rejectable indication of defects, but the i
tubes were plugged as a precautionary measure.
2.
These tubes were Eddy Current tested with no indications found, but the tubes were plugged because they are adjacent to tube R7C93. That tube could not be examined completely because a restriction prevented the passage of the Eddy Current probe.
3.
Restricted tube could not be examined over its entire length.
Plug removed from Cold Leg, Replugged.
Sentinel Plug in Cold Leg.
1 -16
i ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE - JANUARY / FEBRUARY 1992 UNIT 1 S/G "A" EXAMINATION
SUMMARY
i Rgg Qg]
lag (g.g Remarks 13 48 98 2H P
13 48 SAI 2H P
j 16 48 13 TSH 26 48 10 SC 32 48 DI 2H P
32 48 sal 2H P
46 48 96 2H P
46 48 sal 2H P
2 49 sal SH P
2 49 SAI 6H P
10 49 DI 5H P
10 49 SAI 5H P
15 49 29 TSH 32 49 35 TSH 45 49 INR AV3 18 50 20 TSH 28 50 INR AV3 32 50 sal 1H P
45 50 SCI 1H P
33 51 30 TSH 38 51 SAI 2H P
42 51 SCI 1H P
46 51 SCI 1H P
8 52 Tl TSH P
8 52 SAI TSH P
1 -10
l l
1 l
ATTACHMENT "A" l
l STEAM GENERATOR "B" MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 NORTH ANNA 1 in Steam Generator "B", 2,963 tubes were inspected full length with bobbin probes except for the U-bend region of the Row 2 tubes which were examined in the 7H to 7C tube support region (U-bend) with RPC probes. This is 100% of the available tubes.
Supplemental examinations were also performed using Rotating Pancake and 8X1 probes where additional confirmatory or other data was desired.
Of the tubes examined 76 had pluggable circumferential indications, 82 had pluggable axial indications,5 had indications between 30% and 39% through wall,67 had indications between 20% and 29% through wall, 37 had indications between 10% and 19%
through wall, and 2 tubes were plugged as a precautionary measure. See " Unit 1 S/G
'B' Examination Summary" for details.
l l
4 2-1
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
Raw En1 Ind kn.n Remarks 2
4 SAI 1H P
13 5
21 AV4 15 5
INR AV2 15 5
INR AV3 15 5
INR AV4 17 5
23 AV1 17 5
23 AV2 4
6 SCI 1H P
4 6
SAI 1H P
16 6
SAI 2H 11 7
SCI 2H 15 7
18 AV3 17 7
17 AV2 23 7
20 AV4 11 8
MCI 2H P
12 8
SCI 2H P
12 8
MCI 3H P
15 8
INR AV2 24 8
21 AV2 25 8
SCI TSH P*
6 9
SCI 3 61 P
15 9
SCI 1H P
l 23 9
29 AV1 23 9
28 AV2 23 9
24 AV3 23 9
14 AV4 2-2
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
Hgg Qs1 j nJ, (qn Remarks 24 9
18 AV1 24 9
19 AV3 16 10 INR AV3 22 10 INR AV2 1
22 10 INR AV3 22 10 INR AV4 24 10 23 AV4 25 10 22 AV3 25 10 24 AV4 26 10 21 AV4 28 10 23 AV3 11 11 SCI 2H P
16 11 DI 2H 16 11 SAI 2H 25 11 17 AV2 25 11 21 AV4 18 12 77 1H P
18 12 73 3H P
18 12 SAI 1H P
18 12 sal 3H P
23 12 INR AV2 23 12 16 AV4 24 12 INR AV2 25 12 INR AV1 25 12 25 AV2 25 12 INR AV3 25 12 23 AV4 27 12 INR AV3 l
2-3
i ATTACHMENT "A '
NORTH ANNA UNIT #1 l
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
P Ho.E Cn1 jng jan Remarks 28 12 INR AV1 28 12 INR AV4 j
l 29 12 20 AV3 l
29 12 21 AV4 30 12 21 AV3 30 12 19 AV4 j
2 13 SAI 1H P
8 13 SCI 1H P
8 13 SCI 2H P
10 13 D1 1H P
10 13 SAI 1H P
11 13 Sr; 2H P
22 13 INR AV3 23 13 INR AV1 23 13 INR AV2 23 13 INR AV3 23 13 INR AV4 25 13 INR AV1 25 13 INR AV3 25 13 INR AV4 26 13 21 AV1 27 13 21 AV1 27 13 27 AV3 27 13 24 AV4 28 13 INR AV3 29 13 3
AV1 29 13 i,
- AV2 29 13 INR AV3 29 13 INR AV4 2-4
ATTACHMENT "A" i
NORTH ANNA UNIT #1
?
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
Hg.g Q.gl lad la.G Remarks 30 13 23 AV1 30 13 INR AV2 l
30 13 23 AV3 i
30 13 21 AV4 i
I 13 14 90 4H P
13 14 SAI 4H P
15 14 SCI 2H P
17 14 INR AV2 P
17 14 INR AV3 P
17 14 SCI 2H P
I 24 14 INR AV4 25 14 INR AV1 i
25 14 INR AV4 26 14 21 AV2 26 14 INR AV3 26 14 20 AV4 1
27 14 INR AV3 12 15 D1 1H P
12 15 94 1H P
12 15 sal 1H P
20 15 sal 2H P
29 15 INR AV1 17 16 INR AV3 18 16 SCI 2H P
29 16 25 AV2 29 16 27 AV4 32 16 27 AV1 32 16 20 AV4 2-5
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 1
UNIT 1 S/G "B' EXAMINATION
SUMMARY
HSE fdd lad L93 Remarks 33 16 15 AV1 33 16 21 AV4 4
17 35 TSH 8
17 SAI 2H P
21 18 23 AV3 23 18 26 AV3 23 18 22 AV4 24 18 26 AV3 24 18 22 AV4 25 18 20 AV3 29 18 22 AV3 29 18 22 AV4 33 18 19 AV3 17 19 22 AV3 26 19 27 AV3 27 19 25 AV3 29 19 23 AV3 35 19 18 AV4 2
20 SCI 2H P
P 32 20 21 AV3 32 20 24 AV4 33 20 17 AV3 10 21 SCI 1H P
14 21 SCI 2H P
2-6
l l
ATTACHMENT "A '
{
l NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992
[
UNIT 1 S/G "B' EXAMINATION
SUMMARY
f l
Ron Eg1 Inf Los Remarks i
23 21 25 AV2 l
23 21 28 AV3 j
i 24 21 36 AV2 24 21 INR AV3 i
25 21 INR AV2 l
25 21 INR AV3 25 21 INR AV4 27 21 30 AV3 l
28 21 22 AV3 i
29 21 23 AV2 ~
29 21 31 AV3 l
29 21 INR AV4 i
33 21 INR AV2 33 21 22 AV3 i
36 21 SCI 1H P
37 21 INR AV3 P
37 21 SAI 2H P
3 22 SCI 2H P
16 22 SCI TSH P
18 22 INR 5H 21 22 SCI 2H P
24 22 24 AV3 33 22 17 AV4 35 22 SCI 1H P
2 23 D1 1H P
2 23 DI 2H P
2 23 MAI 1H P
2 23 SAI 2H P
2-7
ATTACHMENT 'A '
NORTH ANNA UNIT #1 i
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
Hpyg Qgl jnd Litq Remarks 3
23 95 1H P
i 3
23 MAI 1H P
j i
19 23 INR AV3 25 23 27 AV3 l
t 26 23 28 AV3 29 23 28 AV3 32 23 29 AV3 f
35 23 INR AV3 6
24 SCI 2H P
i 7
24 SCI TSH P
7 24 SAI 1H P
9 24 INR AV4 15 24 MAI 2H P
22 24 SCI 1H P
22 24 MCI 2H P
20 25 SCI 2H P
i 21 25 SCI 2H P
1 l
39 25 SCI 2H P
32 26 INR AV3 32 26 27 AV4 34 26 19 AV4 5
27 SCI 1H P
7 27 96 1H P
7 27 SAI 1H P
8 27 SAI 2H P
l i
l 2-8 l
. 1 ATTACHMENT 'A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
R931 C_nl lnd LDS Remarks 14 27 D1 1H P
14 27 SAI 1H P
21 27 SAI 1H P
l 23 27 INR AV1 i
23 27 INR AV3 i
37 27 SCI 1H P
^
37 27 SCI 2H P
i 9
28 SCI 2H P
11 28 SAI 3H P
12 28 SAI 3H P
20 28 SCI 2H P
l i
24 28 INR AV3 28 28 INR AV1 28 28 INR AV3 28 28 INR AV4
)
32 28 INR AV2 i
32 28 INR AV3 37 28 SCI 2H P
5 29 SAI 1H P
9 29 sal 2H P
l 25 29 29 AV3 3
30 SAI 1H P
6 30 SCI 1H P
6 30 SCI 3H P
15 30-SCI 2H P
6 31 SCI 3H P
i 2-9 l
j
'l ATTACHMENT "A" l
l NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
gun Qgl lag Lg.g Remarks 10 31 SAI 1H P
15 31 SCI 3H P
21 31 SAI 1H P
25 31 INR AV2 25 31 22 AV3
{
27 31 INR AV3
)
i 29 31 INR AV2 i
41 31 13 AV2 12 32 98 1H P
12 32 sal.
1H P
24 32 INR AV3 24 32 TIU 26 32 TIU 29 32 TIU 35 32 18 AV1 35 32 TIU 3
33 SCI 1H P
4 33 23 TSH 6
33 SCI 1H P
10 33 SAI 1H P
18 33 78 2H P
18 33 MAI 2H P
22 33 SAI 1H P
2 34 SCI 1H P
15 34 SAI 1H P
2-10 l
i l
ATTACHMENT "A '
j NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY ! FEBRUARY 1992 i
\\
UNIT 1 S/G "B' EXAMINATION
SUMMARY
l H5UE EQ.1 IDA L91 Remarks 42 34 INR 3H 4
35 SCI 2H P
4 35 SCI 3H P
31 35 13 AV2 j
2 36 SAI 1H P
9 36 MCI TSH P
9 36 SCI 1H P
J 15 36 SCI 2H P
18 36 sal 1H P
25 36 SCI TSH P*
36 36 24 AV2 j
42 36 17 AV2 j
4 37 SCI 2H P
8 37 SCI 2H P
28 37 SCI 1H P
29 37 32 TSH 15 38 22 TSH 28 38 22 TSH 29 38 24 AV3 32 38 24 AV3 i
15 39 2G TSH 6
40 SAI 1H P
i 7
40 SCI 1H P
2 -11
ATTACHMENT "A" l
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 l
UNIT 1 S/G "B' EXAMINATION
SUMMARY
i i
Enz fal Inst Los Remarks j
i 15 40 SCI 2H P
41 40 SAI 1H P
2 41 SAI 1H P
l 2
41 MCI 3H P
4 41 SAI 1H P
l 5
41 D1 1H P
5 41 DI 3H P
5 41 sal 1H P
i 5
41 SAI 2H P
5 41 SAI 3H P
9 41 SAI 4H P
14 41 18 TSH j
l 18 41 SCI 3H P
j 22 41 SCI 2H P
i 28 41 SCI TSH P
i 28 41 gal 1H P
34 41 DI 2H P
34 41 SAI 1H P
34 41 SCI 2H P
41 41 D1 2H P
41 41 SAI 2H P
10 42 SCI 1H P
12 42 INR AV1 12 42 INR AV4 14 42 INR TSH P
14 42 SCI 2H P
23 42 SCI 2H P
2-12
i i
ATTACHMENT "A" r
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 l
l I
UNIT 1 S/G "B' EXAMINATION
SUMMARY
j Rau Cal Ind Lgs Remarks 26 42 DI 3H P
i 26 42 sal 3H P
28 42 20 AV1 P
28 42 15 AV2 P
i 28 42 SAI 1H P
32 42 24 AV4 33 42 sal 1H P
41 42 96 1H P
41 42 sal 1H P
35 43 22 AV4 37 43 SCI 2H P
39 43 SCI 1H P
42 43 17 AV4 43 43 19 AV4 44 43 18 AV4 13 44 sal 1H P
i 13 44 SAI 2H P
19 44 SCI 1H P
20 44 22 AV4 44 44 19 AV4 46-44 14 AV1 46 44 16 AV2 l
46 44 24 AV3-6 45 SAI 2H P
i l
14 45 SAI 1H P
33 45 INR 6H 2-13 i
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
f E931 Pal lad LQg Remarks 10 46 SCI 1H P
10 46 SAI 2H P
19 46 SAI 1H P
20 46 SCI 2H P
33 46 19 AV4 45 46 SCI 2H P
2 47 29 TSH 6
47 71 4H P
6 47 SAI 4H P
10 47 D1 1H P
10 47 SAI 1H P
19 47 INR AV2 I
26 47 INR 4H 27 47 SCI 1H P
38 47 INR 6H 44 47 INR 6H l
46 47 18 AV2 46 47 18 AV3 46 47 17 AV4 26 48 SAI 1H P
l 28 48 71 1H
.P j
28 48 SAI 1H P
46 48 18 AV2 46 48 21 AV3 29 49 SAI 1H P
33 49 INR TSH 2-14
r ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 i
UNIT 1 S/G "B' EXAMINATION
SUMMARY
Han C93 10 1 L.n.g Remarks 26 50 24 TSH 29 50 28 TSH j
1 33 50 SAI 1H P
41 50 INR AV1 42 50 14 AV1 i
43 50 15 AV1 20 51 70 1H P
l 20 51 SAI 1H P
20 51 SAI 4H P
i t
34 51 SAI 1H P
f 40 51 SAI 1H P
45 51 SCI 2H P
i 46 51 15 AV1 12 52 SAI 1H P
28 52 19 TSH l
33 53 SAI 1H P
46 53 17 AV2 P
46 53 SAI 1H P
3 54 11 TSH 10 54 SCI 1H P
14 54 SCI TSH P
27 54 SCI TSH P
34 54 SAI 1H P
2-15
ATTACHMENT "A" j
i NORTH ANNA UNIT #1 i
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
H2E M
IDA LRg Remarks j
35 54 MAI 1H P
36 54 17 AV3 39 54 SAI 1H P
43 54 SAI 1H P
r 44 54 21 AV3 l
24 55 INR AV1 24 55 INR AV2 i
P **
42 55 9
56 SAI 3H P
13 56 SAI 1H P
16 56 SCI TSH P
f 43 57 13 AV2 8
58 SCI 1H P
28 58 23 AV3 45 58 21 AV2 26 59 SCI 3H P
18 60 SCI 1H P
25 60 27 AV3 27 60 19 AV3 28 60 22 AV1 37-60 INR AV4 44 60 INR AV3 36 62 MCI 2H P
i 2-16 i
~ _.
ATTACHMENT "A" NORTH ANNA UNIT #1 l
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
Hn.n En1 Ind Lgr Remarks 3
63 SAI 4H P
41 63 17 AV4 24 64 20 AV1 26 64 sal 1H P
34 64 SAI 2H P
2 65 INR 1H 9
65 SCI 1H P
13 65 SCl 1H P
16 65 SAI 1H P
36 65 21 AV3 3
66 INR 1H 4
66 DI 3H P
4 66 DI 6H P
4 66 98 3H P
4 66 sal 3H P
4 66 SAI 6H P
10 66 SAI 1H P
24 66 17 AV3 29 66 13 AV1 32 66 DI 2H P
32 66 SAI 2H P
32 67 15 AV2 32 67 19 AV3 32 67 17 AV4 8
68 SAI 1H P
2-17 l
i ATTACHMENT 'A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 i
UNIT 1 S/G "B' EXAMINATION
SUMMARY
l Ron Cs1 10 4 Los Remarks j
l 40 68 15 AV2 2
70 INR 1H 15 70.
95 1H P
15 70 D1 1H P
15 70 SAI 1H P
13 72 SAI 1H P
35 72 78 2H P
35 72 SAI 2H P
i 38 72 D1 1H P
38 72 SAI 1H P
12 74 SCI TSH P
t 15 74 SAI 1H P
l 33 74 Di 2H P
33 74 MAI 2H P
2 76 83 SH P
l 2
76 SAI SH P
16 76 MAI 1H P
i 15 77 sal 1H P
l 35 78 INR 1H 24 79 INR 1H 27 79 INR SH 28 79 INR 7H 30 79 INR 7H 34 79 INR SH 27 80-17 AV3 1
2-18 l
1
ATTACHMENT "A '
l l
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "B' EXAMINATION
SUMMARY
1 1
H9.E fdtl
[nd lag Remarks 22 83 SCI 2H P
26 83 INR AV2 25 85 17 AV4 25 86 22 AV4 18 87 19 AV4 22 88 24 AV3 17 89 18 AV1 17 89 15 AV4 21 89 21 AV3 13 90 D1 1H P
13 90 sal 1H P
EXPLANATION OF REMARKS P.
Plugged Stabilizers installed Virginia Electric and Power Company decision to plug as a precautionary measure.
i I
2-19
~
ATTACHMENT "A" l
l l
STEAM GENERATOR "C" MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 NORTH ANNA 1 in Steam Generator "C",2,738 tubes were inspected full length with bobbin probes except for the U-bend region of the Row 2 tubes which were examined in the 7H to 7C tube support region (U-bend) with RPC probes. This is 100% of the available tubes.
Supplemental examinations were also performed using Rotating Pancake and 8x1 probes where additional confirmatory or other data was desired.
Of the tubes examined 105 had pluggable circumferential indications, 84 had pluggable axial indications,1 had a pluggable indication between 50% and 59% through wall,1 had a pluggable indication between 40% and 49% through wall,8 had indications between 30% and 39% through wall,31 had indications between 20% and 29% through wall, 25 had indications between 10% and 19% through wall, and 10 tubes were plugged as a precautionary measure. See " Unit 1 S/G 'C' Examination Summary" for details.
4 l
3-1
'I i
ATTACHMENT "A" NORTH ANNA UNIT #1 i
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Rnn C91 -
Ind Lg_g Remarks l
i 6
3 SCI 1.H P
2 4
sal 1H P
i 6
4 SAI 3H P
P*
12 4
14 4
SCI 1H P
12 5
SCI 1H P
12 5
SCI 3H P
13 5
SCI 1H P
i 16 5
SCI 2H P
14 6
SCI 2H P
l 17 6
SAI 2H P
3 7.
sal 2H P
l 16 7
MAI 1H P
17 7
sal 1H P
21 7
mal 1H P
I 14 8
SCI 3H P
t l
25 8
SAI 2H P
4 9
sal 1H P
8 9
P*
15 9
SAI 2H P
16 9
24 AV3 3-2 l
l __
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Ran Eel lod kn.g Remarks 20 9
19 AV2 P
20 9
17 AV3 P
20 9
19 AV4 P
20 9
SAI 3H P
l M1 P
12 10 SCI 1H P
l 14 10 86 2H P
14 10 SAI 2H P
14 10 SCI 2H P
14 10 SAI 3H P
r 16 10 sal 2H P
i i
19 10 20 AV3 24 10 SCI 3H P
i 24 10 MCl 3H P
l 5
11 MAI 1H P
5 11 SCI 3H P
j 5
11 SAI
'3H P
5 11 MCI 1H P
5 11 PMI 1H P
5 11 SAI
-1H P
)
18 11 SAI 1H P
24 11 sal 1H P
26 11 SAI TSH P
27 11 Tl TSH-P 27 11 sal TSH P
24 12 18 AV2 24 12 24 AV3 24 12 20 AV4 3-3 l
ATTACHMENT "A '
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Eqn Qpj jnd 1JLQ Remarks i
25 12 D1 1H P
l 25 12 SAI 1H P
6 13 95 2H P
6 13 SAI 2H P
i 4
14 DI 2H-P 4
14 sal 2H P
9 14 100 2H P
9 14 SAI 2H P
11 14 SCI 3H P
26 14 20 AV1 26 14 23 AV2 11 16 SCI 1H P
26 16 SAI 1H P
27 16 92 1H P
27 16 MAI 1H P
29 16 sal 1H P
i 29 16 SCI IH P
29 16 PMI
- H P
31 16 17 AV3 19 17 93 1H P
19 17 SAI 1H P
24 17 sal 1H P
27 17 SAI 6H P
17 18 51 1H P
17 18 SAI 1H P
3-4
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 l
UNIT 1 S/G "C" EXAMINATION
SUMMARY
H9.3
.Qgl jnd (g.g Remarks 27 18 SAI 6H P
30 18 SCI 2H P
l 11 19 sal 1H P
11 19 sal 2H P
15 19 35 TSH 20 19 21 AV3 22 19 15 AV3 P
22 19 SAI 4H P
28 19 22 AV3 28 19 17 AV4 30 19 17 AV3 34 19 17 AV3 5
20 sal 2H P
1 20 20 sal 1H P
22 20 SAI 1H P
P*
37 20 l
12 21 SAI 2H P
16 21 SCI 2H P
16 21 SAI
-2H P
16 21 SCI 1H P
22 21 SAI 1H P
2 22 sal 1H P
5 22 24 TSH P
5 22 SCI 1H P
3-5 i
I A.TTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Hg.3 Rg.1 lad Lgq Remarks i
15 22 29 TSH P
15 22 SCI 1H P
4 15 22 SCI 2H P
32 22 DI 2H P
32 22 SAI 2H P
2 23 SAI 1H P
10 23 SCI 1H P
10 23 SCI 2H P
10 23 MAI 3H P
10 23 SCI 3H P
20 23 37 TSH P
22 23 21 AV2 22 23 23 AV3 22 23 22 AV4 23 23 SAI 4H P
7 f
30 23 SCI 1H P
5 24 SAI 2H P
5 24 SCI 3H P
j 6
24 SAI 4H P
8 24 SCI 3H P
17 24 59 TSH P
I 23 24 INR SH 35 24 SAI 1H P
37 24 24 AV1 37 24 27 AV2 37 24 22 AV3 3-6 i
i ATTACHMENT "A" NORTH ANNA UNIT #1 l
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Run Enl Ind Leg Remarks 3
25 SAI 2H P
3 25 SAI 4H P
23 25 SCI 3H P
l 7
26 SCI 1H P
7 26 SAI 3H P
i 10 26 SAI 2H P
22 26 SCI 1H P
40 26 25 1H 2
27 MAI 1H P
21 27 SCI TSH P
24 27 SCI 2H P
38 27 22 AV3 16 28 DI 2H P
16 28 sal 2H P
10 29 MCI 2H P
10 29 SAI 2H P
10 29 25 TSH P
18 29 DI 2H P
18 29 SAI 2H P
30 29 INR.
AV3 16 30 SCI 1H P
18 30 SCI 2H P
25 30 INR AV3 38 31 SCI 2H P
3-7 l
l
ATTACHMENT "A" 4,
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Rau C_ql 10.d
.Lg_q Remarks l
39 31 INR AV3 40 31 INR AV2 P
40 31 INR AV3 P
40 31 26 2C P
40 31 SCI 2H P
5 33 SCI 1H P
1 6
33 DI 1H P
6 33 SCI 1H P
6 33 SAI 1H P
?
8 I
8 33 SCI 2H P
l 9
33 SCI 4H P
l 12 33 20 TSH 25 33 19 AV3 i
f 32 33 24 AV3 36 33 SCI 2H P
P*
l 38 33 l
11 34 DI 1H P
l 11 34 sal 1H P
j 12 34 19 TSH 21 34 SCI 1H P
41 34 19 AV3 11 35 SAI 2H P
12 35 SCI 3H P
l 3-8 l
I
I l
ATTACHMENT "A '
l l
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Han Ral lnd Lag Remarks 13 35 25 TSH P
13 35 SCI 1H P
14 35 INR TSH 25 35
' S Al 1H P
38 35 P*
39 35 SCI 2H P
4 36 SCI 1H P
4 36 SCI 3H P
4 36 SCI 4H P
7 36 SCI 1H P
11 36 SAI 1H P
l 11 36 sal 2H P
12 36 15 TSH 14 36 SAI 1H P
24 36 SCI 1H P
1 33 36 SAI 1H P
l P*
38 36 40 36 P*
l 5
37 SCI 5H P
l 7
37 SCI 4H P
13 37 32 TSH 26 37 D1 1H P
26 37 SAI 1H P
3-9 i
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
B_qn Egj ind Lqn Remarks 32 37 SCI 2H P
23 38 DI 2H P
23 38 sal 2H P
28 38 INR AV2 28 38 INR AV3 31 38 INR AV3 32 3G INR AV3 33 38 INR AV1 33 38 INR AV2 11 39 SCI 1H P
12 39 22 TSH 13 39 6
TSH P
13 39 SCI 1H P
13 39 SCI 2H P
13 39 SCI 3H P
5 40 93 2H P
5 40 SAI 2H P
l 6
40 SCI 2H P
i l
6 40 SAI 3H P
i 6
40 SCI 3H P
6 40 PMI 3H P
6 40 sal 4H P
25 40 SCI 2H P
l l
36 40 sal 1H P
1 39 40 14 AV3 41 40 16 AV3 l-3-10 2
l 4
ATTACHMENT 'A" I
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
i Hstu C_ol
[0A W
Remarks t
15 41 SCI 2H P
34 41 83 1H P
34 41 MAI 1H P
P 45 41 i
12 42 18 TSH I
26 42 36 TSH 34 42 SAI 2H P
41 42 sal 3H P
41 42 SCI 3H P
45 42 SCI 2H P
3 43 D1 1H P
3 43 SCI 1H P
3 43 SAI 1H P
3 43 PMI 1H P
3 43 SCI 2H P
8 43 SAI 1H P
10 43 13 TSH 15 43 SCI 2H P
19 43 24 AV4 20 43 SAI 2H P
37 43 SCI 2H P
16 44 SAI 3H P
16 44 sal 4H P
18 44 MCI 2H P
3 -11
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 11 NIT 1 S/G "C" EXAMINATION
SUMMARY
Raw
. Col lnd L.nn Remarks 36 44 SCI 2H P
i 11 45 43 3H P
j 17 45 19 AV4 19 45 98 2H P
19 45 24 AV4 P
19 45 SCI TSH P
19 45 MAI 2H P
i i
16 46 SCI 2H P
l 1
18 46 87 1H P
18 46 SAI 1H P
18 46 SCI 1H P
i 18 46 PMI 1H P
i 27 46 SCI TSH P
34 46 30 TSH 26 47 D1 1H P
i 26 47 87 1H P
26 47 SAI 1H P
26 47 SAI 2H P
1 37 47 SCI 2H P
28 48 SCI TSH P
8 49 SCI 1H P
9 49 SCI 1H P
14 49 DI 2H P
14 49 24 TSH P
14 49 SAI 2H P
15 49 SCI 1H P
15 49 SCI 3H P
3-12
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Rgu
.Qgl lad Lg.c Remarks 16 49 SAI 2H P
i 17 49 SCI TSH P
37 49 SCI 2H P
i 22 50 sal 2H-P 25 50 MCI TSH P
40 50 17 AV4 I
44 50 SCl 2H 18 51 DI 4H P
18 51 SAI 4H P
35 51 SCI 2H P
5 52 21 TSH t
20 52 SCI 2H P
20 52 SCI 2H P
36 52 SCl 3H P
42 53 SAI 2H P
)
42 53 SAI 2H P
18 54 SCI 2H P
18 54 97 2H P
l 18 54 DI 2H P
18 54 SCI 2H P
i 37 54 SCI 3H P
16 55 SCI 2H P
27 55 34 TSH 1
3-13 j
t r.
+
r
=
r ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
How fdtl lnd L9_G Remarks 33 55 SAI 1H P
25 56 SCI TSH P
26 56 85 2H P
26 56 SAI 2H P
7 57 SCI 1H P
10 57 96 2H P
10 57 99 5H P
10 57 SAI 2H P
10 57 SAI 5H P
25 57 SCI TSH P-l 32 57 98 2H.
P 32 57 SAI 2H P
12 58 97 1H P
12 58 SAI 1H P
20 58 33 1H 43 58 32 AV1 P*
44 58 28 59 SCI 2H P
12 60 SCI 1H P
i 27 60 26 TSH P
27 60 SCI 2H P
10 61 99 1H P
10 61 SAI 1H P
28 61 SCI 2H P
17 62 SCI 2H P
3 -14
ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Rom fal lnd kan Remarks i
i 6
63 25 TSH P
6 63 D1 1H P
6 63 SAI 1H P
17 63 SAI 2H P
30 63 SCI 2H P
11 64 80 1H P
11 64 SAI 1H P
23 64 96 2H P
23 64 SAI 2H P
29 64 SCI 2H P
29 64 SAI 2H P
29 64 89 2H P
31 64 sal 2H P
9 65 SCI 2H P
9 65 38 TSH P
9 65 SCI 3H P
10 65 D1 1H P
10 65 SAI 1H P
)
30 65 50 2H P
30 65 SAI 2H P
4 66 SCI 1H P
i l
24 66 SCI 1H P
15 67 sal 1H P
29 67 17 AV2 29 67 23 AV3 3-15 l
ATTACHMENT "A" r
i l
NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Run E9.1 ind L.9.g Remarks i
30 S7 SCI 2H P
i l
30 67 SAI 2H P
l 30 67 PMI 2H P
34 68 SCI 2H P
i 7
69 SCI 3H P
l 24 69 19 AV3 24 69 21 AV4 29 69 SAI 2H P
36 69 19 AV3 3
70 SAI 1H b
4 70 D1 1H P
4 70 SAI 1H P
l P*
18 70 28 70 SCI 2H P
l 30 70 SAI 2H P
l 30 70 SCI 2H P
30 70 PMI 2H P
32 70 14 AV3 35 70 20 AV3 1
37 70 20 AV3 38 70 21 AV3
)
39 70 22 AV3 19 71 29 TSH i
27 71 MCI 2H P
3-16
l l
l ATTACHMENT "A" NORTH ANNA UNIT #1 l
MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
h Egj Lad JJts Remarks 37 71 19 AV3 l
38 71 INR AV3 10 72 MCI TSH P
20 72 20 AV4 i
24 72 25 AV3 24 72 27 AV4 25 72 22 AV4 26 72 SCI 2H P
31 72 17 AV3 31 72 18 AV4 35 72 20 AV4 36 72 20 AV4 37 72 20 AV3 37 72 22 AV4 39 72 18 AV3 39 72 20 AV4 l
3 73 DI 4H P
3 73 sal 4H P
l 24 73 17 AV2 i
25 73 21 AV2 l
l 32 73 INR AV3 36 73 18 AV3 37 73 INR AV3 3-17
1 ATTACHMENT "A" NORTH ANNA UNIT #1 MID - CYCLE OUTAGE JANUARY / FEBRUARY 1992 UNIT 1 S/G "C" EXAMINATION
SUMMARY
Hgg Qg[
[nd Lqg Remarks 19 75 INR AV3 21 75 15 AV3 22 75 16 AV3 25 75 INR AV3 l
27 75 SCI 2H P
j 32 75 19 AV3 34 75 21 AV3 22 76 18 AV3 l
31 76 13 AV3 l
35 76 INR AV3 37 76 13 AV2 l
l 27 79 INR 7H l
17 80 SCI 1H P
l 11 83 SCI 1H P
6 86 SCI 3H P
11 86 SCI 2H P
12 87 SAI 1H P
EXPLANATION OF REMARKS P.
Plugged Virginia Electric and Power Company decision to plug as a precautionary measure.
i 3-18 i
j l
ATTACHMENT "A" VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 1 SYEAM GENERATOR EDDY CURRENT TUBE INSPECTION GLOSSARY OF TERMS 1)
COI - Circumferentially Oriented Indication - describes a circumferentially
)
oriented indication signal from Rotating Pancake probe data using either single or multiple signals. SCI or MCI will be used if it is possible to clearly detect the number of signals present.
2)
DI - Distorted indication - a possible tube wall loss condition that is not quantifiable with a numeric percent call due to the existing signal characteristics.
3)
INR. - Indication Not Reportable - indicates that a very small tube wall loss condition exists in the data being analyzed that is below the reportable criteria threshold for this specific inspection - can be used to address indications called in previous inspections that are still detectable but fall below current criteria.
4)
MAI - Multiple Axial Indication - describes multiple axially oriented indication signals from Rotating Pancake probe data.
5)
MCI - Multiple Circumferentially oriented Indication - describes multiple circumferentially oriented indication signals from Rotating Pancake probe data -
COI is used if it is impossible to clearly detect the number of signals present.
6)
Pi - Possible Indication (retest) - generally used with 8x1 analysis, sometimes with bobbin analysis - describes a potential wall loss condition signal that i
typically requires a retest for verification. Tube is sometimes retested with a special probe, e.g., MRPC (Motorized Rotating Pancake Coil), etc.
7)
RST - Restricted - indicates that the probe listed in the record would not physically pass the location specified.
8)
SAI - Single Axia! Indication - describes a single axially oriented signal from Rotating Pancake.crobe data.
9)
SCI - Single Circumferentially oriented Indication - describes a single I
circumferentially oriented indication signal from Rotating Pancake probe data -
l COI is used if it is impossible to clearly detect the number of signals present.
j 10)
TIU - Tube I.D. Uncertain - (retest) - indicates that the ROW and/or COL (column) identifier for a given tube is in doubt and that the tube must be retested.
4-1 J
i l
11)
A number in the indication column shows the percent (%) through wall depth of the indication.
12)
TEH - Tube End Hot leg.
13)
TEC - Tube End Cold leg.
14)
TSH - Top of Tubesheet Hot leg.
15)
TSC - Top of Tubesheet Cold leg.
16)
- C, #H - (# = number) of Support Plate Hot or Cold leg. e.g.,3H,6H,7C.
17)
AV1, AV2, AV3, and AV4 - Anti-Vibration Bars 1 through 4.
18)
"P" in " Remarks" column indicates a plugged tube. No comment in the remarks column indicates that the tube remains in service.
4-2
ATTACHMENT "B" i
i i
NORTH ANNA POWER STATION UNIT 2 1992 ANNUAL STEAM GENERATOR INSERVICE INSPECTION REPORT
)
l VIRGINIA ELECTRIC AND POWER COMPANY
TABLE OF CONTENTS Title Page Unit 2 S/G "A" Examination Summary 5-1 Unit 2 S/G "B" Examination Summary 6-1 Unit 2 S/G "C" Examination Summary 7-1 Glossary of Terms 8-1 l
t
[
l l
ATTACHMENT "B" i
STEAM GENERATOR "A" 8TH REFUELING MARCH 1992 OUTAGE NORTH ANNA 2 i
in Steam Generator "A", 3156 tubes were inspected full length with bobbin probes.
This is 100% of the available tubes. Eighty-eight Row 2 tubes were examined in the U-bend region (tube support 7H to 7C) with RPC probes. Supplemental examinations were also performed using Rotating Pancake, and Profilometry probes where additional confirmatory or other data was desired. Of the tubes examined 13 had l
pluggable circumferential indications,14 had pluggable axial indications,1 had a pluggable indication between 90% and 99% through wall,2 had pluggable indications between 80% and 89% through wall,2 had pluggable indications between 60% and 69% through wall,1 had a pluggable indication between 50% and 59% through wall, l
10 had pluggable indications between 40% and 49% through wall,21 had indications between 30% and 39% through wall, 29 had indications between 20% and 29%
through wall, and 4 had indications between 10% and 19% through wall. Two additional tubes were plugged as a precautionary measure. A total of 45 tubes were plugged in this steam generator. See " Unit 2 S/G 'A' Examination Summary" for details.
i l
l
(
5-1
ATTACHMENT 'B '
NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 j
i UNIT #2 S/G "A" EXAMINATION
SUMMARY
l flRE fal lnd LD_G Remarks
+
l 3
1 34 1H l
i 6
1 21 1C 5
3 15 1H 13 3
LSC 7H P ***
i 15 3
27 1C 18 6
23 1C 9
9 SCI 1H P
I 10 9
SAI 1H P
l l
19 10 SAI 1H P
19 10 SCI 1H P
19 10 PMI 1H P
f 4
11 92 1H P
10 11 45 1H P
1 5
14 SAI 1H P
I 6
14 SCI TSH P
l 12 16 SCI TSH P
i 11 17 SAI 1H P
t l
i j
35 17 24 3H l'
l 9
19 80 1H P*
15 22 57 1H P*
l 16 24 80 1H P
l 5-2 l
l
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 l
UNIT #2 S/G "A" EXAMINATION
SUMMARY
l 6
Rag Gal jnd Lag Remarks 7
25 D1 1H P"
7 25 DI 2H P"
7 25 SCI 1H P"
7 25 MAI 2H P **
l 21 27 100 TSH P
i 21 27 SAI TSH P
10 29 D1 1H P
10 29 SCI 1H P
13 30 40 1H P
31 30 18 AV2
[
31 30 18 AV3 31 30 19 AV4 35 30 24 AV1 35 30 23 AV2 42 30 SAI 1H P
5 31 D1 1H P
5 31 SAI 1H P
i 18 31 INR AV2 34 31 28 AV3 42 31 24 2C 10 32 D1 1H P
10 32 sal 1H P
19 32 16 AV2 36 33 26 AV1 36 33 27 AV2 l
8 34 D1 1H P*
l 8
34 MCI 1H P*
i 5-3
-b.b -
E f
ATTACHMENT "B" i
NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "A" EXAMINATION
SUMMARY
i Rgg QgJ Lrld Lo_c.
Remarks i
I i
14 35 35 TSH j
15 35 SAI TSH P
25 35 14 AV3 34 35 20 AV2 j
34 35 25 AV3 i
34 35 21 AV4 44 35 23 1H P
l 44 35 SAI 1H P
33-36 19 AV3 l
33 36 21 AV4 l
l 5
37 D1 1H P-i 5
37 SCI 1H P
l 13 37 D1 1H P
13 37 SAI 1H P
10 38 D1 1H P
l 10 38 SAI 1H P
11 38 D1 1H P
11 38 SAI 1H P
26 38 SCI TSH P
33 38 20 AV1 33 38 25 AV2 33 38 17 AV3 41 38 40 AV3 P
l 41 38 39 AV4 P
45 38 LSC 7H P ***
l 23 39 25 AV2 l
5-4
I f
A,TTACHMENT "B" NORTH ANNA UNIT #2 I
8th REFUELING OUTAGE - MARCH 1992
{
I UNIT #2 S/G "A" EXAMINATION
SUMMARY
Eqw Qgl ing Lug Remarks l
i i
23 39 24 AV3 i
23 39 18 AV4 l
16 40 SCI TSH P
24 41 23 AV1 l
24 41 INR AV3 l
l 24 41 23 AV4 j
28 41 64 1H P
37 41 20 AV1 P
i t
37 41 40 AV2 P
37 41 46 AV3 P
l 33 42 41 AV1 P
33 42 23 AV2 P
l 33 42 18 AV3 P
33 42 INR AV4 P
l l
11 43 46 TSH P **
11 43 D1 1H P **
11 43 DI 2H P **
11 43 SCI 1H P **
11 43 SCI 2H P **
l 22 44 20 AV1 22 44 30 AV2 i
22 44 28 AV3 22 44 INR AV4 23 44 INR AV1 i
23 44 23 AV2 23 44 30 AV3 23 44 26 AV4 25 44 24 AV1 25 44 32 AV2 25 44 20 AV3 25 44 29 AV4 5-5
ATTACHMENT "B" NORTH ANNA UNIT #2 i
l 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "A" EXAMINATION
SUMMARY
B_qn C_gl Ing Jan Remarks I
l 34 44 19 AV2 34 44 21 AV3 34 44 26 AV4
[
i 8
45 D1 1H P*
8 45 SCI 1H P*
22 45 23 AV1 22 45 39 AV2 22 45 39 AV3 22 45 29 AV4 34 45 21 AV2 34 45 30 AV3 34 45 20 AV4 35 45 28 AV1 35 45 29 AV2 35 45 19 AV3 36 46 34 AV2 36 46 21 AV3 i
i 36 46 25 AV4 r
35 47 23 AV1 35 47 32 AV2 35 47 35 AV3 35 47 28 AV4 11 48 65 1H P
1 l
25 48 19 AV1 25 48 23 AV2 25 48 17 AV3 25 48 INR AV4 36 48 31 AV1 P
i 36 48 44 AV2 P
36 48 35 AV3 P
36 48 26 AV4.
P l
0 5-6
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "A" EXAMINATION SUMM ARY h
Cs1 Ind lag Remarks r
35 49 16 AV1 P
35 49 39 AV2 P
35 49 46 AV3 P
35 49 13 AV4 P
34 50 19 AV1 34 50 35 AV3 34 50 23 AV4 l
35 50 32 AV2 35 50 33 AV3 35 50 30 AV4 4
51 36 1H 34 52 13 AV2 34 52 32 AV3 34 52 24 AV4 36 52 16 AV1 i
36 52 33 AV2 36 52 33 AV3 i
36 52 27 AV4 l
24 53 16 AV1 24 53 25 AV4 24 55 18 AV1 24 55 32 AV2 24 55 29 AV3 36 55 37 AV3 P
36 55 41 AV4 P
6 57 SAI 2H P
18 57 22 AV1 18 57 15 AV2 25 57 28 AV2 25 57 21 AV3 i
5-7
i l
ATTACHMENT "B '
NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "A" EXAMINATION SUMM ARY Ran ratl Ind M
Remarks i
l 32 57 26 AV2 l
32 57 27 AV3 29 60 16 AV1 29 60 32 AV2 29 60 30 AV3 t
1 29 60 29 AV4 i
t 24 61 11 AV1 24 61 22 AV2 24 61 20 AV3 36 61 35 AV3 36 61 33 AV4 t
24 63 21 AV1 l
23 66 23 AV2 23 66 21 AV3 23 66 15 AV4 l
23 67 22 AV1 f
l 23 67 29 AV2 i
23 67 31 AV3 l
r 37 67 21 AV2 37 67 34 AV3 37 67 20 AV4 36 68 43 AV3 P
36 68 38 AV4 P
37 68 25 AV2 P
37 68 47 AV3 P
37 68 19 AV4 P
18 69 24 AV4 31 69 22 AV1 31 69 36 AV2 l
31 69 25 AV3 5-8
l ATTACHMENT B" l
NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "A" EXAMINATION
SUMMARY
HRW fal lnd kan Remarks i
37 69 37 AV2 37 69 38 AV3 37 69 31 AV4 l
l 26 70 10 AV3 36 71 25 AV2 36 71 28 AV3 13 72 SCI 1H P
l 24 75 22 AV4 27 79 21 AV3 l
l 28 85 22 2C 12 87 D1 1H P
12 87 SAI 1H P
i EXPLANATION OF REMARKS I
P.
Plugged Tubes Stabilized and Plugged Tubes Pulled and Weld Plugged in Hot Leg i
Virginia Electric and Power Company decision to plug as a precautionary measure.
l
[
5-9 l
l
ATTACHMENT "B" STEAM GENERATOR "B" 8TH REFUELING MARCH 1992 OUTAGE NORTH ANNA 2 in Steam Generator "B", 3164 tubes were inspected full length with bobbin probes.
This is 100% of the available tubes. Eighty-nine Row 2 tubes were examined in the U-bend region (tube support 7H to 7c) RPC probes. Supplemental examinations were also performed using Rotating Pancake, and Profilometry probes where additional confirmatory or other data was desired. Of the tubes examined 8 had pluggable circumferential indications, 2 had pluggable axial indications,1 had a pluggable indication between 60% and 69% through wall,3 had pluggable indications between 40% and 49% through wall,9 had indications between 30% and 39% through wall,7 had indications between 20% and 29% through wall, and 4 had indications between 10% and 19% through wall. A total of 14 tubes were plugged in this steam generator.
See
- Unit 2 S/G 'B' Examination Summary" for details.
l l
l 6-1
ATTACHMENT 'B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "B" EXAMINATION
SUMMARY
Hg_g Q_gl lnd Lqn Remarks n
26 10 INR 1C 4
11 SAI TSH P
l 21 11 SCI 1H P
35 17 SCI 1H P
l 35 21 22 AV3 35 21 26 AV4 19 22 66 1H P
i 34 23 33 1H i
l 25 28 34 AV1 25 28 INR AV2 L
17 29 36 AV2 i
34 31 20 AV2 34 31 38 AV3 l
34 31 37 AV4 l
35 34 19 AV3 35 34 17 AV4 23 36 SCI TSH P
22 37 SCI TSH P
29 37 42 1H P
17 43 35 TSH 33 43 17 AV1 33 43 33 AV2 33 43 28 AV3 14 44 SCI TSH P*
5 6-2
l ATTACHMENT *B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "B" EXAMINATION
SUMMARY
Hg_w C_El 10 4 L9.s Remarks l
18 45 SCI TSH P
26 45 46 TSH P
16 46 22 TSH 36 53 24 AV3 12 58 D1 1H P
12 58 SAI 1H P
30 59 22 AV3 4
l 39 59 30 AV3
(
39 59 25 AV4 37 60 33 AV3 37 60 39 AV4 15 61 SCI TSH P*
25 62 SCI TSH P
29 62 40 AV1 P
29 62 24 AV2 P
29 62 29 AV3 P
29 62 22 AV4 P
21 63 15 AV1 21 63 28 AV2 21 63 32 AV3 21 63 28 AV4 i
34 69 14 AV3 34 69 25 AV4 36 72 17 AV4 36 75 24 AV3 c
36 75 17 AV4 6-3
ATTACHMENT "B" NORTH ANNA UNIT #2 i
8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "B" EXAMINATION SUMM ARY RQE EQ1 lad
. Lag Remarks 15 77 INR TSC 28 78 22 AV3 28 83 10 1C 17 90 14 1C EXPLANATION OF REMARKS r
P.
Plugged Tubes Stabilized and Plugged.
i i
k e
I i
l 6-4 i
i
ATTACHMENT "B" j
STEAM GENERATOR "C "
8TH REFUELING MARCH 1992 OUTAGE NORTH ANNA 2 in Steam Generator "C",3135 tubes were inspected full length with bobbin probes.
This is 100% of the available tubes. Seventy Row 2 tubes were examined in the U-bend region (tube support 7H to 7C) with RPC probes. Supplemental examinations I
were also performed using Rotating Pancake and Profilometry probes where additional confirmatory or other data was desired. Of the tubes examined 130 had pluggable circumferential indications,18 had pluggable axial indications,1 had a pluggable indication between 80% and 89% through wall,1 had a pluggable indication between 70% and 79% through wall,2 had pluggable indications between 50% and 59% through wall, 3 had pluggable indications between 40% and 49%
through wall,12 had indications between 30% and 39% through wall,12 had i
indications between 20% and 29% through wall,11 had indications between 10%
and 19% through wall. Thirty six additional tubes were plugged as a precautionary measure. A total of 191 tubes were plugged in this steam generator. See " Unit 2 S/G i
'C' Examination Summary" for details.
1
)
i 7-1 4
l l
ATTACHMENT "B" l
l NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION SUMM ARY Ep_g C_gJ Ind Lg_c Remarks 3
1 SCI 1H P
7 1
SCI 2H P
10 5
sal 1H P
15 6
LSC 1H P"
16 6
MCI 1H P
16 6
SCI 1H P
12 7
LSC 2H P **
23 7
SCI 1H P*
23 7
LSC 1H P*
23 7
LSC 2H P*
23 7
SCI 4H P*
11 8
LSC 2H P"
14 8
SCI 2H P
19 9
SCI 2H P
11 10 SCI 2H P
26 10 LSC 1H P*
26 10 LSC 2H P"
27 10 LSC 1H P
27 10 SCI 2H P
27 10 LSC 2H P
4 11 DNT 1H 4
11 DNT 3H 4
11 DNT 4H 15 11 LSC 1H P"
15 11 LSC 2H P"
15 11 LSC 3H P"
7-2
i i
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2_S/G "C" EXAMINATION
SUMMARY
Ro.n C_el LnA lan Remarks l
28 11 LSC 1H P **
15 12 SCI 1H P
3 13 DNT 1H P
3 13 DNT 4H P
3 13 SCI 1H P
14 13 SCI 1H P
14 13 LSC 2H P
i 27 13 SCI 1H P
10 14 SCI 1H P
1 16 14 LSC 1H P"
17 14 MCI 1H P*
25 14 SCI 1H P
25 14 MCI 3H P
25 14 D1 1H P
1 2
15 DNT 2H P
2 15 DI 2H P
2 15 SAI 2H P
10 15 LSC 2H P"
16 15 LSC 1H P"
19 16 SCI 1H P
26 16 LSC 1H P"
30 16 LSC 1H P **
31 16 SCI 1H P
30 17 SCI 1H P*
7-3 l
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
Enn Enl Ind Jan Remarks 3
18 DNT 4H P
3 18 SCI 4H P
5 18 SCI 1H P
12 18 SCI 2H P
13 18 LSA 1H P*
13 18 LSC 1H P"
13 18 LSC 3H P
i 19 18 SCI 2H P
i 23 19 SCI 1H P
i 23 19 SCI 2H P
i i
f 26 19 SCI 2H P
27 20 LSC 1H P"
27 20 LSC 2H P"
3 21 DNT 1H P'
l 3
21 DNT 2H P"
3 21 LSC 1H P
7 22 LSC 1H P"
7 22 LSC 2H P"
8 22 SCI 1H P
9 22 LSC 1H P"
25 22 SCI 1H P
25 22 LSC 1H P
25 22 LSC 3H P
29 22 LSC 1H P"
31 22 SCI 3H P
37 22 SCI 2H P
7-4 3
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION SUMM ARY Egyg Egj
[ng Lg_q Remarks 2
23 DNT 1H P
2 23 DNT 2H P
2 23 DNT 3H P
2 23 sal 1H P
i 3
23 DNT 1H P*
3 23 DNT 2H P*
3 23 DNT 3H P*
3 23 DNT 4H P*
3 23 SCI 1H P*
24 23 MAI 3H P
24 23 SCI 3H P
30 23 MCI 1H P
32 23 SCI 2H P
25 24 LSC 1H P*,"
30 24 DIN 3H P"
30 24 LSC 2H P"
32 24 SCI 1H P
39 24 LSC SH P"
16 25 SCI 1H P
21 25 SCI 1H P
23 25 LSC 2H P"
24 25 SCI 1H P
25 25 SCI 1H P
36 25 21 AV2 37 25 SCI 1H P
7-5
i ATTACHMENT "B" i
NORTH ANNA UNIT #2 i
8th REFUELING OUTAGE - MARCH 1992 2
UNIT #2 S/G "C" EXAMINATION
SUMMARY
Egg M
Ind Lgs Remarks 9
26 SCI 1H P
13 26 SCI 2H P
14 26 SCI 1H P
20 26 30 TSH 25 26 SCI 1H P
1 25 26 SCI 2H P
26 26 LSC 1H P *, *
- 39 26 32 AV2 39 26 26 AV3 12 27 SCI 1H P
12 27 SCI 2H P
4 28 SCI 1H P
t 14 28 18 TSH i
18 28 SCI 2H P
31 28 PMI 2H P
31 28 SAI 2H P
31 28 SCI 2H P
31 28 SCI 3H P
24 29 SCI 1H P
25 29 SCI 1H P
27 29 SAI 2H P
j 30 29 25 2H P
30 29 SCI 2H P
31 29 SCI 1H P
7-6
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
Rom fal Ind lag Remarks l
2 30 SCI 1H P
10 30 SCI 2H P
9 31 SCI 1H P
15 31 18 TSH l
{
39 31 32 AV2 l
39 31 27 AV3 3
32 SCI 1H P
10 32 SCI 1H P
17 32 SCI 1H P
1 23 32 SCI 1H P
23 32 SCI 3H P
23 32 D1 1H P
28 32 SCI 1H P
i 28 32 LSC 1H P
7 33 LSC 2H P**
10 33 SCI 1H P*
12 33 27 TSC 13 33 10 TSC 16 33 73 TSH P
17 33 11 TSC l
22 33 15 TSC i
23 33 39 TSH P
23 33 SCI 1H P
l 7-7
-~
a ATTACHMENT 'B" i
NORTH ANNA UNIT #2 l
8th REFUELING OUTAGE - MARCH 1992 i
UNIT #2 S/G "C" EXAMINATION
SUMMARY
Haw C_ql lnd Lag Remarks 28 33 LSC 1H P*
28 33 LSC 2H P **
2 34 SCI 1H P
6 34 LSC 1H P"
6 34 LSC 3H P"
16 34 35 TSH P
16 34 LSC 1H P
16 34 SCI 1H P
17 34 16 TSC P
17 34 SCI 1H P
l 18 34 27 TSH 20 34 44 TSH P
l 24 34 SCI 1H P
18 35 28 TSH P"
18 35 LSC 3H P"
20 35 37 TSH 3
36 SCI 1H P
12 36 SCI 1H P
12 36 SCI 2H P
15 36 24 TSH 18 36 35 TSH P
18 36 MCI 1H P
19 36 25 TSH 29 36 28 AV3 42 36 LSC 1H P"
42 36 LSC 2H P"
7-8
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
Brg C_ql lnd Los Remarks j
4 37 80 1H P
1 5
37 LSC 1H P *, "
23 37 16 AV2 3
38 SAI 2H P
19 38 SCI 2H P
20 38 SCI 2H P
28 38 54 TSH P
2 39 SCI 1H P
18 39 43 TSH P
23 39 SCI 2H P
24 39 21 AV2 P
24 39 24 AV3 P
24 39 SCI 1H P
42 39 SCI 1H P*
14 40 SCl 2H P
18 40 SCI 1H P
18 40 SCI 2H P
l 18 41 29 TSH P
l 18 41 MCI 1H P
18 41 SCI 2H P
20 41 SCI 2H P
23 41 16 AV2 23 41 26 AV3 39 41 SCI 1H P
0 7-9 f
ATTACHMENT "B"
[
NORTH ANNA UNIT #2 i
8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
RQR C_gJ Ind Lag Remarks 3
42 SAI 3H P
8 42 sal 1H P
i 12 42 LSC 1H P"
l 17 42 34 TSH P
17 42 SAI 3H P
l l
19 42 39 TSH 45 42 SCI 1H P
45 42 SCI 2H P
10 43 SCI 1H P
11 43 SCI 1H P
33 43 INR AV1 33 43 19 AV2 43 43 SAI 3H P
j 45 43 12 1C 8
44 SCI 1H P
25 44 SCI TSH P
28 44 16 TSH P
l 28 44 SCI 2H P
31 44 SCI 2H P
25 45 SCI TSH P
30 45 SAI 1H P
6 46 SCI 1H P
18 46 SCI 1H P
7-10
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 MNIT #2 S/G "C" EXAMINATION
SUMMARY
Hgg C_gl lnd Lqq Remarks 20 46 sal 1H P*
20 46 SCI 1H P*
24 46 SCI TSH P
46 47 SAI 1H P
j 22 48 LSC 7H P *, "
27 48 sal 1H P
i 28 48 SCl 2H P
i 35 48 sal 4H P
45 48 LSC 1H P"
l l
28 49 SCI 1H P*
29 49 LSC 1H P"
35 49 SCI 2H P
36 49 SCI 2H P
19 50 50 TSH P
22 50 SCI 3H P
l l
27 50 LSC 1H P*
27 50 LSC 3H P"
38 50 SCI 1H P
8 51 SCI 1H P
18 51 SCI 1H P
21 51 16 TSH 7 -11
ATTACHMENT "B" j
NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 10'1 UNIT #2 S/G "C" EXAMINATION
SUMMARY
Egg agJ ind Lag Remarks-27 51 24-AV3 27 51 38 AV4 32 51 SCI 2H P
18 52 SCI 1H P
l 20 52 SCI 1H P
i 34 52 SCI 2H P
17 53 19 AV2 17 53 21 AV3 17 53 17 AV4 P
19 53 LSC 1H P*
19 53 SCI 2H P*
l 4
12 54 SCI 1H P
29 54 SAI 1H P
37 54 SCI 1H P
P 19 55 MCI 1H P*
]
19 55 LSC 2H P*
31 55 SAI 2H P
18 56 SCI 1H P*
29 56 21 AV3 44 56 32 1C 33 57 23 AV1 l
33 57 19 AV2 33 57 26 AV3 33 57 28 AV4 15 58 SCI 1H P
7-12 l
i ATTACHMENT "B" NORTH ANNA UNIT #2 l
8th REFUELING OUTACE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
-l ERYf fdd lnd
. Lgs Remarks j
20 58 SCI 1H P
27 58 LSC a
P **
20 59 sal 3H P
16 60 SCI 1H P
17 60 sal 1H P
39 60 35 AV1 l
39 60 36 AV2 39 60 32 AV3
[
l 42 60 31 AV3 42 60 32 AV4 24 61 LSC 1H P **
27 61 SCI 2H P
29 62 24 AV1 29 62 36 AV2 j
29 62 29 AV3 32 62 SCI 1H P
18 63 SCI 2H P*
18 63 LSC 5H P*
23 63 34 TSH 35 63 SCI 2H P
23 64 SAI 1H P
l 23 64 SCI 1H P
23 64 SAI 3H P
12 65 SC!
1H P
19 65 22 TSH 7-13
ATTACHMENT "B" NORTH ANNA UNIT #2 8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
Enn M
Ind Lqq Remarks 20 65 SCI 2H P
8 66 MCI 1H P
35 66 SCI 1H P
35 66 SCI 2H P
19 67 SCI 1H P
36 67 SCI 2H P
17 68 MCI 1H P
21 69 SCI 2H P
30 69 SCI 2H P
l 34 69 37 AV1 34 69 31 AV2 38 71 17 1H i
e 33 72 LSC 1H P"
r 33 72 LSA 1H P"
r 32 74 SCI 1H P
36 74 SCI 1H P
t 31 76 40 1H-P 3
77 MCI 1H P
27 80 SCI 1H P
29 82 SCI 2H P
31 82 DI 2H P
31 82 SAI 2H P
j 20 87 SCI 1H P
20 87 SCI 2H P
7-14
.. ~.. - -, - - - _
I ATTACHMENT *B '
NORTH ANNA UNIT #2 l
8th REFUELING OUTAGE - MARCH 1992 UNIT #2 S/G "C" EXAMINATION
SUMMARY
l Row C_ql jnd Lg_q Remarks l
1 21 88 INR 1C 6
93 INR 1C i
EXPLANATION OF REMARKS P
Plugged Tubes Stabilized and Plugged.
Virginia Electric and Power Company decision to plug as a precautionary measure.
i i
l l
l
)
7-15 l
f ATTACHMENT "B" VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 2 STEAM GENERATOR EDDY CURRENT TUBE INSPECTION GLOSSARY OF TERMS i
1)
COI - Circumferentially Oriented Indication - describes a circumferentially oriented indication signal from Rotating Pancake probe data using either single or multiple signals. SCI or MCI will be used if it is possible to clearly detect the number of signals present.
a possible tube wall loss condition that is 2)
DI - Distorted Indication unquantifiable with a numeric percent call due to the existing signal characteristics.
1 3)
DNT - Dent - the tube has been deformed inward to a reduced diameter condition from that of a nominal tube. Dents may often be located at an interference such as a tube support plate.
4)
INR - Indication Not Reportable - indicates that a very small tube wall loss condition exists in the data being analyzed that is below the reportable criteria threshold for this specific inspection. INR can be used to address indications identified in previous inspections that are still detectable but fall below current criteria.
5)
LSA - Liftoff Signal Axial - liftoff signal that may contain possible axial i
degradation based on visual examination of the RPC 3-d terrain plot (C-SCAN).
6)
LSC - Liftoff Signal Circumferential - liftoff signal that may contain possible circumferential degradation based on visual examination of the RPC 3-d terrain plot (C-SCAN).
l 7)
MAI - Multiple Axial Indication - describes multiple axially oriented indication signals from Rotating Pancake probe data.
8)
MCI - Multiple Circumferentially oriented Indication - describes multiple circumferentially oriented indication signals from Rotating Pancake probe data.
COI is used if it is impossible to clearly detect the number of signals present.
9)
Pl - Possible Indication (retest) - generally used with 8x1 analysis, sometimes with bobbin analysis - describes a potential wall loss condition signal that typically requires a retest for verification Tube is sometimes retested using a special probe, e.g., MRPC (Motorized Rotating Pancake Coil), etc.
10)
PMI - Possible Mixed Mode Indication - used when there is a possible circumferential and axial indication at the same intersection.
8-1
11)
SAI - Single Axia! Indication - describes a single axially oriented signal from Rotating Pancake probe data.
12)
SCI - Single Circumferentially oriented Indication
- describes a single circumferentially oriented indication signal from Rotating Pancake probe data.
COI is used if it is impossible to clearly detect the number of signals present.
13)
TIU - Tube I.D. Uncertain (retest) - indicates that the ROW and/or COL identifier for a given tube is in doubt and that the tube must be retested.
14)
A number in the indication column shows the % through wall depth of the indication.
15)
TEH - Tube End Hot leg.
16)
TEC - Tube End Cold leg.
17)
TSH - Top of Tubesheet Hot leg.
18)
TSC - Top of Tubesheet Cold leg.
19)
- C, #H -(# = number) of Support Plate Hot or Cold leg. e.g.,3H,6H,7C.
20)
AV1, AV2, AV3, and AV4 - Anti-Vibration Bars 1 through 4.
21)
"P"in " Remarks" column indicates a plugged tube. No comment in the remarks column indicates the tube is still in service.
8-2 l
ATTACHMENT "C" i
f NORTH ANNA UNIT 1 STEAM GENERATORS "A", "B", AND "C" i
PRE-SERVICE EXAMINATION j
i The tubes for the new North Anna Unit 1 Steam Generators were pre-service examined at a Westinghouse site. Each steam generator has 3592 tubes. None of the tubes required plugging. One tube (Row 10 - Column 36) exhibited a 16% through j
wall indication at location SH (10.82 inches above the fifth support plate on the hot leg side). Manufacture buff marks (MBM) were found throughout both hot and cold leg i
tubes. Some tubes had multiple manufacture buff marks (MMB) (i.e., two or more buff i
marks in series along a tube wall). A summary of the number of manufacture buff marks and multiple manufacture buff marks is provided below-Total Number Total Total - Number of Tubes with Number of of Tubes with Total Number Steam MBM MBM MMB of MMB j
l Generator Indications Indications Indications Indications l
A 301 400 18 21 I
l l
B 256 384 77 86 l
i C
244 327 35 41 GLOSSARY OF TERMS l
Manufacturing Buff Marks (MBM) - a tube wall loss condition due to a tube manufacturing process step.
An MBM is generally a relatively long and shallow area which remains constant and does not present-any operating problems for the affected tube.
Such indications are noted for reference purposes only.
Multiple Manufacturing Buff marks (MMB) - Multiple MBM's existing over a length of tube section which are in relatively close proximity to each other.
I 9-1 l
__