ML20207R718
| ML20207R718 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 03/13/1987 |
| From: | Mcdonald R ALABAMA POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8703180059 | |
| Download: ML20207R718 (12) | |
Text
r h 18 S rsat
. Post Office Box 2641 Birmingharr, Alabama 352914400.
-Telephone 205 250-1835.
S$o7*fe,7tT.ieeni MENNN v
NAR 1 3 1987 mwrmiecucswem Docket'No; 50-348 10CFR50.36 fU. S. Nuclear Regulatory.Comission Attention: Document Control Desk Washington, D. C.
20555 J.' M. Farley Nuclear Plant - Unit 1 Steam Generator Eddy Current Inspection Gentlemen:
As required by Section 4.4.6.5.b of' the Farley Nuclear Plant Unit 1 Technical Specifications, Alabama Power Company herewith reports the results 'of eddy current testing conducted during the seventh refueling outage.
During this outage,- antivibration bars (AVBs) were replaced in the A and C steam generators; the AVBs in the B steam generator were replaced during the previous outage. - For.this reason,. a decision was made to perform a full length inspection of all'the tubes in all three steam generators. The results are sumarized below:
Steam Number of Number Number Generator-Tubes Inspected Degraded Defective A
3294 17 4
8 3285 18 0
C 3293 7
2 Table-1 (attached) identifies the tubes with imperfections by location, percent of wall-thickness penetration and notes those plugged.
Respectfully subinitted,
/
b R. P. Mcdonald -
RPM /RSF:cs1-0395 Attachment cc: Mr. L. B. Long Dr. J. N. Grace Mr. E. A. Reeves Mr. W. H. Bradford i
d 0703180059 870313 7
8o i
PDR ADOCK 05000348 V8 C
PDR 2
bc: Mr. W. O. Whitt Mr. W. G. Hairston, III Mr. K. W. McCracken Mr. J. D. Woodard Mr. J. W. McGowan Mr. C. D. Nesbitt Mr. R. G. Berryhill Mr. D. E. Mansfield Mr. J. K. Osterholtz
/
Mr. J. T. Brantley Mr. D. E. Dutton Mr. J. R. Crane l
Mr. K. C. Gandhi Commitment Tracking System l
l
1 TABLE I WALL THICKNESS S/G ROW COL IMPERFECTION LOCATION PENETRATION PLUGGED A'
11 2
Support Plt.
ISPH 73%
Yes A
11 6
Support Plt.
ISPH 66%
Yes A
6 7
Tubesheet TSH + 1.5 in.
<20%
No A
18 7
Old AVB 2AVB + 1.3 in.
<20%
No A
21 7
Old AVB 2AVB +-16.1 in.
<20%
No A
15 11 Free Span TSH'+ 43.0 in.
<20%
No A
26 13 Free Span 4SPH + 14.2 in.
30%
No A
6 17 Free Span TSH + 18.2 in.
<20%
No A
14 22 Tubesheet TSH + 0.8 in.
23%
No A
7 23 Tubesheet TSH + 1.0 in.
29%
No A
14 23 Tubesheet TSH + 0.9 in, 42%
Yes TSH + 1.1 in.
32%
A 9
24 Tubesheet TSH + 0.7 in.
38%
No A
10 25 Tubesheet TSH + 0.8 in.
38%
No
.A 12 25 Tubesheet TSH + 0.9 in.
34%
No A
13 25 Tubesheet TSH + 0.9 in.
<20%
No A
17 25 Tubesheet TSH + 0.9 in.
<20%
No A
13 27 Tubesheet TSH + 0.8 in.
<20%
No A
16 27 Tubesheet TSH + 6.7 in.
22%
No A
8 28 Tubesheet TSC + 6.4 in.
(20%
No A
2 29 Free Span 4SPH + 49.4 in.
20%
No A
11 29 Tubesheet TSH & 0.8 in.
25%
No A
10 30 Tubesheet TSH + 1.1 in.
22%
No Page 1 of 10 i
l
WALL THICKNESS
,S'/G ROW ~ COL IMPERFECTION LOCATION PENETRATION PLUGGED A
36 31 Free Span 6SPC + 26.9 in.
<20%
No A
5 32 Tubesheet TSC + 5.0 in.
<20%
No A
18 32 Tubesheet TSH + 8.7 in.
<20%
No A
40 33 Old AVB 2AVB + 3.5 in.
32%
No A
8 36 Tubesheet TSC + 2.7 in.
<20%
No A
11 37 Tubesheet TSH + 0.8 in.
36%
No A
17 37 Old AVB 2AVB + 3.4 in.
<20%
No A
24 37 Free Span 6SPH + 26.0 in.
(20%
No 6SPH + 27.0 in.
<20%
Old AVB 2AVB + 1.7 in.
<20%
A 32 37 Free Span ISPH + 22.8 in.
(20%
No A
36 37 Old AVB 7SPH + 32.4 in.
<20%
No A
17 38 Old AVB 2AVB + 12.5 in.
<20%
No A
2 39 Free Span 4SPH + 39.5 in.
<20%
No A
17 39 Tubesheet TSH + 6.5 in.
<20%
No A
28 40 Tubesheet TSC + 1.8 in.
<20%
No A
30 40 Tubesheet TSC + 0.7 in.
<20%
No A
24 45 Old AVB 2AVB + 3.7 in.
27%
No A
12 47 Tubesheet TSH + 2.0 in.
43%
Yes TSH + 2.3 in.
54%
A 36 50 Tubesheet TSH + 1.0 in.
<20%
No A
35 52 Old AVB 7SPH + 32.3 in.
<20%
No A
41 52 Tubesheet TSH + 6.7 in.
<20%
No A
36 53 Tubesheet TSH + 1.2 in.
<20%
No Page 2 of 10
WALL THICKNESS
'S/G ROW COL IMPERFECTION LOCATION PENETRATION PLUGGED A
37 55 Free Span 6SPH + 5.9 in.
<20%
No A
42 57 Old AVB 2AVB + 3.0 in.
<20%
No A
33 58 Old AVB 7SPH + 30.1 in.
<20%
No A
14 60 Old AVB 4AVB + 1.6 in.
(20%
No Tubesheet TSH + 0.7 in.
22%
A 18 61 Tubesheet TSH + 0.7 in.
<20%
No A
3 62 Tubesheet TSC + 2.6 in.
<20%
No A
12 63 Tubesheet TSH + 1.0 in.
23%
No A
13 63 Tubesheet TSH + 1.0 in.
<20%
No A
15 63 Tubesheet TSH + 1.4 in.
<20%
No A
40 68 Old AVB 7SPH + 33.8 in.
<20%
No A
33 71 Tubesheet TSH + 5.8 in.
23%
No TSH + 7.6 in.
23%
A 37 71 Old AVB 2AVB + 3.1 in.
<20%
No A
39 72 Old AVB 7SPH + 33.4 in.
<20%
No A
35 73 Old AVB 7SPH + 31.6 in.
<20%
No A
36 75
'Old AVB 2AVB + 31.3 in.
<20%
No A
17 76 Old AVB 2AVB + 1.0 in.
(20%
No A
30 82 Tubesheet TSH + 9.7 in.
<20%
No TSH + 10.9 in.
<20%
A 3
85 Free Span 3SPH + 35.3 in.
31%
No A
11 86 Old AVB 7SPH + 20.1 in.
<20%
No Page 3 of 10
WALL THICKNESS
'S/G ROW COL IMPERFECTION LOCATION PENETRATION PLUGGED B
5 3
Old AVB 7SPH + 17.6 in.
37%
No B
3 5
Old AVB 7SPH + 7.6 in.
28%
No B
17 11 Old AVB 2AVB + 12.6 in.
22%
No B
17 14 Old AVB 4AVB + 2.4 in.
(20%
No B
21 15 Old AVB 2AVB + 17.7 in.
<20%
No B
20 16 Support Plt.
4SPC
<20%
No B
21 16 Old AVB 2AVB + 17.9 in.
<20%
No B
7 23 Free Span 4SPC + 17.6 in.
<20%
No D
21 24 Old AVB 3AVB + 0.1 in.
244-No B
6 25 Tubesheet TSC + 4.9 in.
<20%
No B
21 28 Tubesheet TSC + 3.0 in.
<20%
No B
41 28 Old AVB 2AVB + 38.8 in.
<20%
No B
35 30 Free Span ISPH + 30.0 in.
27%
No B
37 31 Old AVB 2AVB +1.9 in.
28%
No B
17 32 Tubesheet TSC + 2.9 in.
<20%
No B
13 33 Tubesheet TSC + 4.0 in.
<20%
No B
22 33 Free Span 2SPC + 9.5 ia.
<20%
No B
2 34 Tubesheet TSC + 3.4 in.
<20%
No B
39 34 Old AVB 7SPH + 34.4 in.
<20%
No B
22 36 Old AVB 2AVB + 17.9 in.
<20%
No B
27 38 Old AVB 2AVB + 23.1 in.
<20%
No B
36 38 Free Span ISPH + 16.2 in.
<20%
No B
23 40 Old AVP 2AVB + 18.7 in.
21%
No Page 4 of 10
[
WALL THICKNESS
- S/G ROW COL IMPERFECTION LOCATION PENETRATION PLUGGED B.
28 40 Old AVB 2AVB + 1.3 in..
<20%
No 2AVB + 24.0 in.
27%
B 5
41 Free Span TSH + 37.0 in.
<20%
No B
19 42 Free Span 2SPC + 13.7 in.
<20%
No B
39 42 Free Span 2SPC + 16.3 in.
(20%
No B
44
.42 Old AVB 2AVB + 1.6 in.
<20%
No B
22 43 Free Span 3SPH + 44.4 in.
(20%
No B
45 43 Old AVB 2AVB + 12.2 in.
<20%
No B
39 45 Old AVB 2AVB + 37.1 in.
23%
No B~
19 47 Old AVB 2AVB + 14.6 in.
<20%
No B
30 48 Old AVB 2AVB + 26.2 in.
<20%
No B
14 49 Free Span 4SPH + 27.7 in.
<20%
No B
30 50 Old AVB 2AVB + 1.6 in.
<20%
No B
39 50 Old AVB 7SPH + 34.7 in.
<20%
No B
43 51-Old AVB 2AVB + 40.5 in.
<20%
No B
39 54 Old AVB 2AVB + 35.6 in.
<20%
No B
23 55 Old AVB 7SPH + 26.8 in.
<20%
No B
40 55 Free Span lSPH + 35.2 in.
24%
No Old AVB 2AVB + 1.5 in.
<20%
B 38 56 Old AVB 2AVB + 1.5 in.
<20%
No B
27 57 Old AVB 2AVB + 23.4 in.
30%
No B
3 58 Old AVB 7SPH + 4.6 in.
<20%
No B
23 58 Old AVB 7SPH + 25.3 in.
<20%
No j
l' t
l l
Page 5 of 10 i
e
,,, - -, - ~
~-
,,e---
n,-
,n,
..,,,.e
-r,
S WALL THICKNESS S/G ROW COL ' IMPERFECTION LOCATION PENETRATION PLUGGED B
38 60 Old AVB 2AVB + 35.0 in.
21%
No 4AVB + 4.8 in.
<20%
B 24 61 Old AVB 2AVB +.19.4 in.
33%
No 7SPH + 27.6 in.
28%
B 27 61 Old AVB 2AVB + 1.5 in.
<20%
No B
28 61 Old AVB 2AVB + 24.0 in.
25%
No B
27 63 Old AVB 2AVB + 1.8 in.
34%
No 3AVB + 0.1 in.
36%
4AVB + 4.5 in.
34%
7SPH + 30.1 in.
<20%
B 27 68 Old AVB 2AVB + 1.8 in.
<20%
No B
22 69 Old AVB 2AVB + 1.5 in.
24%
No B
29 69 Old AVB 2AVB + 1.8 in.
<20%
No B
23 70 Old AVB 2AVB + 1.2 in.
<20%
No B
27 70 Old AVB 2AVB + 1.4 in.
<20%
No B
32 70 Old AVB 2AVB + 1.6 in.
(20%
No B
2 71 Free Span 2SPH + 23.9 in.
<20%
No B
27 71 Old AVB 2AVB + 20.6 in.
<20%
No B
24 73 Old AVB 2AVB + 20.5 in.
35%
No B
26 74 Old AVB 7SPH + 28.4 in.
<20%
No B
3 79 Free Span ISPH + 10.6 in.
<20%
No B
17 79 Old AVB 7SPH + 25.0 in.
(20%
No B
18 79 Old AVB 7SPC + 25.1 in.
<20%
No B
23 81 Old AVB 3AVB + 0.1 in.
<20%
No Page 6 of 10
WALL THICKNESS
'S/G ROW COL IMPEDFECTION LOCATION PENETRATION PLUGGED B
25 81 Old AVB 7SPC + 29.1.in.
t <20%
No B
. 24 82 Old AVB 2AVB + 20.1 in.
29%
- No'
[
/
B 30
- 82 Old AVB 7SPH + 31.2 in.
<20%
No s
+
t s,
B' 23 85 Old AVB 2AVB + 18.9 in.
( < 201 s No 1
L t
's
\\
' t.
t 4
i J
I
\\
J t
t Page 7 of 10 l
s y
v w
v.--
,.---4 e
- -- - ~.
WALL THICKNESS
~
S/G ROW COL IMPERFECTION LOCATION PENETRATION PLUGGED C
3 9
Free Span 4SPH + 24.7 in.
<20%
No 4SPH + 27.1 in.
<20%
C 30 16 Old AVB 2AVB + 3.5 in.
<20%
No 2AVB + 26.4 in.
<20%
C 16 20 Free Span ISPH + 21.3 in.
(20%
No C'
13 21 Free Span 3SPH + 29.9 in.
<20%
No C
27 21 Old AVB 2AVB + 23.4 in.
<20%
No C
$6 21 Free Span 3SPH + 41.8 in.
<20%
No C
A 23 Tubesheet TSH + 4.3 in.
26%
No TSH + 4.0 in.
27%
C 19 25 Tubesheet TSH + 1.8 in.
37%
No TSH + 1.7 in.
35%
C 20 26 Tubesheet TSH + 3.9 in.
29%
No TSH + 1.8 in.
27%
C 20 29 Tubesheet TSH + 1.6 in.
22%
No C
23 33 Tubesheet' TSH + 1.5 in.
(20%
No C
23 36 Old AVB 2AVB + 2.9 in.
<20%
No C
40 36 Old AVB 2AVB + 4.6 in.
<20%
No C
3 38 Tubesheet TSH + 1.4 in.
<20%
No C
25 38 Tubesheet TSH + 2.8 in.
<20%
No C
26 38 Tubesheet TSH + 1.8 in.
<20%
No 4
C 43 38 Old AVB 7SPH + 36.8 in.
21%
No 7SPH + 36.9 in.
24%
C 26 40 Tubesheet TSH + 1.8 in.
21%
No Page 8 of 10
.m.,
m_.
_..m.,,
WALL '
THICKNESS S/G' ROW HCOLL IMPERFECTION LOCATION PENETRATION PLUGGED
.C 33 45 Old AVB 2AVB + 3.6 in.
<20%
No C'
16 46
~0ld AVB 2AVB + 2.4 in.
<20%
No C
22 46 Old AVB 2AVB + 2.9 in.
- <20%
No C
20 50 Tubesheet TSC + 0.9 in.
88%
Yes C
44
'52 Old AVB 2AVB + 4.3 in.
<20%
No C
44 53 Old AVB 4AVB + 7.0-in.
<20%
No C-14 55 Tubesheet TSH + 1.7 in.
(20%
No C
22 55 Tubesheet TSH + 1.9 in.
<20%
No C
3 57 Tubesheet TSC + 3.0 in.
(20%
No C-11 61 Tubesheet TSC + 5.2 in.
28%
No C
30 66 Old AVB 2AVB + 2.6 in.
<20%
No C
39 66 Old AVB 7SPH + 36.3 in.
<20%
No C
39 67 Old AVB 7SPH + 36.9 in.
(20%
No C
42 67 Old AVB 2AVB + 38.5 in.
<20%
No C
21 70 Old.AVB 2AVB + 16.7 in.
'20%
No C
20 71 Old AVB 4AVB + 3.3 in.
<20%
No C
5 88 Free Span 4SPH + 8.0 in.
<20%
No 4SPH + 7.9 in.
<20%
4SPH + 16.6 in.
<20%
4SPH + 33.4 in.
<20%
4SPH + 33.3 in.
<20%
4SPH + 40.3 in.
<20%
C 6
93 Support Plt.
ISPC 42%
Yes i
Page 9 of 10
Notes for Table I lat Antivibration Bar ISPH = lst Support Plt., Hot Leg 1AVB
=
2 AVL = 2nd Antivibration Bar 3AVB = 3rd Antivibration Bar 4AVB = 4th Antivibration Bar ISPC = lst Support Plt., Cold Leg 2SPC = 2nd Support Plt., Cold Leg 3SPC = 3rd Support Plt., Cold leg 7SPH = 7th Support Plt., Hot Leg TSC = Tubesheet, Cold Leg TSH = Tubesheet, Hot Leg 7SPC = 7th Support Plt., Cold Leg Page 10 of 10 4
a
-,,,,_..w g