ML19330C058
| ML19330C058 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 08/05/1980 |
| From: | WISCONSIN ELECTRIC POWER CO. |
| To: | |
| Shared Package | |
| ML19330C056 | List: |
| References | |
| NUDOCS 8008070480 | |
| Download: ML19330C058 (5) | |
Text
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JULY - AUGUST 1980 STEAM GENERATOR INSPECTION RESULTS WITH COMPARISON TO PREVIOUS INSPECTIONS POINT BEACH NUCLEAR PLANT UNIT 1 l
JULY 1980 I
MARCH 1980 i
DEC.1979 I
OCT.1979 LOCATION IN l
TUBE ID INDICATION SIZE / INCHES ABOVE R0W COL.
TUBE END INLET '
"A" STEAM GENERATOR 1.
22 18 73/6 N.T.
N.T.
NDO 2.
28 26 23/5 Same
<20 at Estect. !NDD I
Limiu i
<20/20 Same l
Same I; Same 3.
7 36 53/3 NDD NDD NDD 4.
33 37 82/8 N.T.
N.T.
NDD 5.
30 42 31/15-17 N.T.
N.T.
- NDD 6.
24 46 79/20 Same Same NDO 400 Mix Same 400 KHZ 7.
8 50
<20/8 Same NDD
, NDD 8.
9 50 85/20 NDD NDD NDO 9.
12 50
<20/7 Same l
Same
, NDD I
10.
26 53 83/21 Same Same
'Some change
- 11. 33 54 34/0.5 Above Tube:
N.T.
N.T.
Same Sheet j
Better S/N ratic
'in 7/80 i
Same 400 KHZ Same 400 KHZ Same 400 KHZ
- 12. 10 54 34/ Top of Tube Sheet Different Mix Different Mix Different Mix 13.
22 55 81/7-15 NDD l
NDD NDD 1
- 14. 24 55 88/18-21 Same i
Same
. NDD 15.
12 56
<20/11 NDD NDD
! NDD i
16.
8 58 54/15 Same NDD NDD i
17.
17 58 42/20
<20 NDD NDD 18.
27 59 69/8 N.T.
N.T.
NDD 19.
5 61 92/10 N.T.
N.T.
Same
- 20. 23 61 80/10 Same N.R.
NDO
,.8008070ygo
4 1
JULY 1980 l
MARCH 1980 DEC.1979 '
OCT. 1979 LOCATION IN
- ~~
TUBE ID INDICATION SIZE / INCHES ABOVE R0W COL. g T'JBE END 62l 21.
18 59/10-15 N.T.
N.T.
NDD 22.
27 62 84/15-20 N.T.
N.T.
Same, smaller I
amplitude 23.
15 64 !
36/13 33%
35%
NDD 24.
27 64 51/3 N.T.
N.T.
NDD l
66%
N.T.
l N.T.
25.
8 66 78/2.5-6 l
26.
10 68 47/10-20 N.T.
N.T.
Same 27.
8 70 50/20 N.T.
N.T.
NDD 28.
9 72 76/20 N.T.
N.T.
NDD 29.
8 75 89/20 i
N.T.
N.T.
NDD i
30.
8 76 :
Undefineable defect /15-20 l
N.T.
N.T.
Same INLET "B"
9 20 65/21 N.T.
N.T.
NDD j
2.
10 25 57/19 i
Same NDD NDD l
3.
14 27 42/20 Same Same Same 4.
8 31 64/10 NDD NDD NDD 5.
12 31 79/12-17 Same Same NDD I
6.
25 37 54/15-20 l
Same NDD NDD l
Same NDD i
NDO 7.
27 38 48/20 8.
26 43 56/21 Same Same Same 9.
21 48 46/3 Same Same 24%
- 10. 24 49 85/2.5-5 NDO NDD l
NDD i
1
- 11. 20 50 67/17 NDD NDD NDD 12.
28 51 82/2.5-7 Same NDD NDD
- 13. 27 53 75/5 l
NDD NDD NDD
- 14. -24 54-80/11 NDD NDD NDD.
v JULY 1980 l
MARCH 1980 DEC.1979 l
OCT. 1979 LOCATION IN TUBE ID INDICATION SIZE / INCHES ABOVE l
R0W COL.
TUBE END i
i
- 15. 29 62 i
75/2.5-11 N.T.
N.T.
NDD 16.
13 69 49/21 N.T.
l N.T.
Same
- 17. 13 71 83/20 N.T.
I N.T.
NDD 18.
2 74 90/2.5-10 N.T.
N.T.
l NDD lNDD 19.
10 76 59/14-17 N.T.
N.T.
20.
10 78 76/5 N.T.
N.T.
NDD
+
}
70/8 l
21.
2 80 82/5 N.T.
N.T.
NDD I
22.
4 46 61/10-17 N.T.
i N.T.
I NDD Aedevel N.T. = Not Tested NDD = No Detectable Defect N. R. = Not Rcuc i v es O gj -
.o
ATTACHMENT 2 JULY-AUGUST 1980 INSPECTION
SUMMARY
OF TUBES PLUGGED POINT BEACH NUCLEAR PLANT, UNIT 1 "A"
STEAM GENERATOR "B"
STEAM GENERATOR R22C18 R9C20 R28C26 R10C25 R7C36 R14C27 R33C37 R8C31 R30C42 R12C31 R24C46 C25C37 R8C50 R27C28 R9C50 R26C43 R12C50 R21C48 R26C53 R24C49 R22C55 R20C50 R24C55 R28C51 R12C56 R27C53 R8C58 R24C54 R17C58 R29C62 R27C59 R13C69 RSC61 R13C71 R23C61 R2C74 R18C62 R10C76 R27C62 R10C78 R15C64 R2CSO R27C64 R4C46 R8C66 R10C68 R8C70 R9C72 R8C75 R8C76 R7C58 Plugged by Mistake R7C59 Plugged by Mistake R7C51 Plugged by Mistake Inlet Side Only Total Tubes Plugged this Outage:
31 Total Tubes Plugged this Outage:
2:
Total Tubes Plugged to Date:
404 Total Tubes Plugged to Cate:
39 I
ATTACHMENT 3 JULY-AUGUST 1980 STEAM GENERATOR OUTLET INSPECTION RESULTS POINT BEACH NUCLEAR PLANT, UNIT 1 "A"
STEAM GENERATOR INDICATION ROW COLUMN INDICATION SIZE, t LOCATION 1.
28 48 29 1/2" ATS 2.
24 52
<20 1" ATS 3.
20 56
<20 1" ATS 4.
24 56
<20 2" ATS 5.
20 60 21 2" ATS 6.
20 24
<20 2" ATS "B"
STEAM GENERATOR NO EDDY CURRENT INDICATIONS OBSERVED ATS = Above Tubesheet
-.