ML20196E954

Forwards SG Tube Insp Conducted During Unit 1 End of Cycle 11 Refueling Outage.Attachments 1,2,3 & 4 Identify Tubes with Imperfections in SGs A,B,C & D,Respectively

ML20196E954
Person / Time
Site:	Catawba
Issue date:	06/18/1999
From:	Gordon Peterson DUKE POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9906290060
Download: ML20196E954 (5)

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r Duke Energy Corporation b-- Catawba Nuclear Station

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4800 Concord Road l York, SC 29745 Gary R. Peterson (803) 831-4251 OFFICE Vice Pinident (803)8313425ux June 18, 1999 U. S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555

Subject:

Catawba Nuclear Stations, Units 2 Docket Nos. 50-414 '

Steam Generator Tube Inspection Report Pursuant to Technical Specifications 5.6.8a. and 5.6.8b., please find attached the steam generator tube inspection conducted during the Unit 1 End of Cycle 11 refueling outage.

'The following quantity of tubes were inspected:

Tubes Inspected Tubes Inspected Steam Generator Full Length Partial Length A 1455 487 B 1382 0 C 1365 109 D 1381 480 Attachments 1, 2, 3, and 4 identify tubes with imperfections in steam generators A, B, C, and D, respectively. The location and size of the imperfections are also provided. There were no ((/

/

tubes removed from service by plugging.

Any questions concerning this report may be directed to Kay Nicholson at 803-831-3237.

/f7)()/

Sincerely,

• • 7 Gary R. Peterson fg Attachments e:J ~

xc: L. A. Reyes, Regional Administrator P. S. Tam, ONRR D. J.-Roberts, SRI f

l 9906290060 990618 PDR ADOCK 05000414-P PDR m

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• FTI TUIAN II (Vartien 2.3) 05/12/1999 08:27:31 *************

• • • • 0**12%***, C:tcwb2 N.S. - Unit On3 R piccoment *************

• • • • ocee***o* S/G A ************e e*ce********* 05/99 RFO ************* l oce********** BOBBIN,MRPC C/L SI,MRPC H/L SI,MRPC UBEND SI ************* l l j

! j ATTACHMENT #1 - INDICATIONS OF IMPERFECTIONS INDS OF IMPERFECTIONS - SGA ROW COL OUTAGE TEST TYPE IND %TW VOLTS LOCATION 4 35 05/99 BOBBIN ADI O.96 08H +27.29 05/99 BOBBIN ADI 1.02 09H -14.95 4 59 05 99 BOBBIN ODI 3 0.27 02C +15.79 05 99 MRPC C/L SI VOL 0.22 02C +15.81 l

8 123 05 99 BOBBIN OXP 80.25 TEC +0.00 to +3.16 14 5 05 99 BOBBIN NEX 7.97 TSH -0.26 l 14 81 05 99 BOBBIN ADI 0.22 03C +25.56 l 17 32 05 99 BOBBIN ODI 11 0.18 04H +21.61 05 99 BOBBIN ODI 11 0.20 Olc +19.41 05 99 MRPC C/L SI VOL 0.15 Olc +19.01 05 99 MRPC H/L SI VOL 0.23 04H +19.42 05 99 MRPC H/L SI VOL 0.33 04H +19.14 l 05 99 MRPC H/L SI VOL 0.47 04H +21.61 20 91 05 99 BOBBIN ODI 7 0.20 02H +7.16 l 05 99 MRPC H/L SI VOL 0.30 02H +7.16 I 20 115 05 99 BOBBIN ADI 0.19 03H +13.47 l 21 104 05 99 BOBBIN ADI 0.31 02H +16.87 l 21 130 05 99 BOBBIN OXP 76.02 TEC +16.87 to +17.92 21 138 05/99 BOBBIN OXP 72.26 TEC +16.83 to +17.78 22 53 05/99 BOBBIN ADI 0.53 02C +4.63 05 99 MRPC C/L SI VOL 0.21 02C +4.52 22 103 05 99 BOBBIN ADI 0.21 02H +9.22 05 99 BOBBIN ODI 4 0.26 02H +11.22 05 99 MRPC H/L SI VOL 0.18 02H +9.44 05 99 MRPC H/L SI VOL 0.29 02H +12.60 05 99 MRPC H/L SI VOL 0.49 02H +11.22 27 10 05 99 BOBBIN ODI 2 0.59 03H +3.39 05 99 BOBBIN ODI 7 0.11 07C +9.97 28 11 05 99 BOBBIN ODI 12 0.16 O1H +26.51 l 28 13 05 99 BOBBIN ADI O.17 04H +23.18 1

32 49 05 99 BOBBIN ADI 0.15 02H +26.82 05 99 BOBBIN ODI 5 0.56 02H +18.70 05 99 MRPC H/L SI VOL 0.28 02H +18.70 33 10 05 99 BOBBIN ODI 10 0.20 04C +25.05 05/99 MRPC C/L SI VOL 0.22 04C 425.35 i

36 7 05/99 BOBBIN NEX 10.11 TSC -0.27 1 37 50 05 99 BOBBIN ODI 7 0.44 TSH +11.52 l 38 39 05 99 BOBBIN ODI 21 0.33 05H +16.81 l 40 83 05 99 BOBBIN ODI 8 0.81 04C +29.65 .

l 05 99 KRPC C/L SI VOL 0.43 04C +29.E5 l 43 30 05 99 BOBBIN NEX 8.05 TSH -0.25 '

44 65 05 99 BOBBIN ADI 0.27 04C +15.80 l 05 99 MRPC C/L SI VOL 0.22 04C +15.80 45 50 05 99 BOBBIN ODI 7 0.24 03H +25.80 47 8 05 99 BOBBIN NEX 6.05 TSH -0.28 48 33 05 99 BOBBIN ODI 5 0.21 07C +35.35 i 05 99 MRPC C/L SI VOL 0.51 07C +35.35 1 52 55 05 99 BOBBIN ODI 9 0.40 02H +8.26 l 05 99 MRPC H L SI VOL 0.44 02H +6.51 l

I 05 99 MRPC H L SI VOL O.48 02H +8.59 52 61 05 99 BOBBIN ADI 0.17 02H +13.15 05 99 MRPC H/L SI VOL 0.41 02H +12.51 05 99 MRPC H/L SI VOL 0.48 02H +13.50 54 37 05 99 BOBBIN ADI 0.26 02H +23.71 55 38 05 99 BOBBIN ODI 8 0.32 04H +29.20 05 99 MRPC H/L SI VOL 0.29 04H +29.20 61 22 05 99 BOBBIN ODI 13 0.42 02C +28.20 05 99 MRPC C/L SI VOL 0.81 02C +28.10 62 13 05 99 BOBBIN NEX 8.49 TSC -0.26 71 30 05 99 BOBBIN OXP 41.53 TEC +20.87 to +22.06 74 33 05 99 BOBBIN ADI 0.23 02H +10.67 05 99 BOBBIN ODI 3 0.10 02H +7.90 05 99 MRPC H/L SI VOL 0.28 02H +7.61 05/99 MRPC H/L SI VOL 0.28 02H +11.50 05/99 MRPC H/L SI VOL 0.39 02H +12.65 a

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• • • • • • • • • • • • • FTI TUBAN II (Version 2.3) 05/12/1999 08:27:31 *************

1 Catawba N.S. - Unit One Replacement ************* l l

• • • • • • • • • • • • • S/G A *************

• • • • • • • • • • • • • 05/99 RFO *************

BOBBIN,MRPC C/L SI,MRPC H/L SI,MRPC UBEND SI *************

ATTACHMENT #1 - INDICATIONS OF IMPERFECTIONS INDS OF IMPERFECTIONS - SGA

, ROW COL OUTAGE TEST TYPE IND %TW VOLTS LOCATION I

l 75 22 05/99 BOBBIN ODI 25 0.24 05C +29.48 75 50 05/99 BOBBIN ODI 10 0.32 05H +9.86 05 99 MRPC H/L SI VOL 0.31 05H +9.86 76 115 05 99 BOBBIN NEX 8.75 TSC -0.25 76 123 05 99 BOBBIN NEX 11.82 TSC -0.27 77 20 05 99 BOBBIN NEX 8.49 TSH -0.25 80 35 05/99 BOBBIN NEX 8.86 TSH -0.25 to +0.00 83 122 05/99 BOBBIN NEX 10.06 TSC -0.27 84 27 05 99 BOBBIN ADI 0.38 FB4 +7.31 05 99 BOBBIN ADI 0.70 FB4 +5.01 05 99 MRPC UBEND SI VOL 0.60 FB4 +7.31 05 99 MRPC UBEND SI VOL O.73 FB4 +5.01 87 26 05 99 BOBBIN NEX 9.33 TSC -0.26 88 35 05 99 BOBBIN NEX 6.10 TSH -0.25 90 35 05 99 BOBBIN NEX 8.00 TSH -0.32 93 98 05 99 BOBBIN ODI 2 0.45 02H +2.93 05 99 MRPC H/L SI VOL 0.26 02H +4.64 05 99 MRPC H/L SI VOL 0.45 02H +2.93 05 99 MRPC H L SI VOL O.51 02H +5.92 05 99 MRPC H L SI VOL 0.53 02H +6.48 96 47 05 99 BOBBIN ODI 6 0.51 02H +16.01 05 99 MRPC H/L SI VOL 0.27 02H +16.01 97 34 05 99 BOBBIN ODI 18 0.30 OSC +12.19 99 46 05 99 BOBBIN ADI 0.16 08C +21.38 l

114 75 05/99 BOBBIN ADI 0.30 OSH +34.93 Total Indications Found = 90 Total Tubes Found = 51 1

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• • • • • • • • • • • • • FTI TUBAN II (V:rcion 2.3) 05/12/1999 12:54:59 *************

• • • • • • • 9*****.- Cat wbn N.S. - Unit Cn3 Repiccoment *************

l_ ************* S/3 B *************

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• • • • • • • • • • • • • 05/99 RFO *************

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• • • • • • • • • • • • • -BOBBIN,MRPC C/L SI,MRPC H/L SI,MRPC USEND SI *************

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l ATTACHMENT #2 - INDICATIONS OF IMPERFECTIONS INDS OF IMPERFECTIONS - SGB ROW COL OUTAGE TEST TYPE IND %TW VOLTS LOCATION i

25 ;24 05 99 BOBBIN ADI 0.13 07H +23.62 33:- 54 05 99 BOBBIN ODI 3 0.25 03H +25.68 05 99 MRPC N/L SI .VOL 0.24 03H +26.15 37 24 05 99 BOBBIN ODI 2 0.24 03C +23.55 05 99 MRPC C/L SI VOL 0.58 03C +23.49 41 64 05 99 BOBBIN ODI 9 0.91 O1H +21.59 l 05 99 MRPC H/L SI VOL 0.14 O1H +21.72 48 105 05 99 - BOBBIN OXP 34.09 TEH +3.02 l 59 20 05 99 BOBBIN ADI 0.29 TSC +10.88 i 61 96 05 99 BOBBIN ADI 0.23 02H +24.89

64 '55 05 99 -BOBBIN NEX 11.02 TSC -0.30 65 62 05 99 BOBBIN ODI 5 0.64 06H +4.47 05 99 BOBBIN ODI 6 1.12 06H +6.04

, 05 99 MRPC H L SI VOL 0.55 06H +4.41 l- 05 99 MRPC H L SI VOL 0.78 06H +6.35 l 65 72 05 99 BOBBIN ODI 25 0.48 05H +32.63 1 05 99 BOBBIN ODI 27 0.31 05H +8.45 i 05 99 MRPC H/L SI VOL 0.36 05H +32.06 l G9 70 05 99 BOBBIN ADI 0.25 07H +26.33 1 05 99 BOBBIN ADI 0.26 04H +12.63 05 99 BOBBIN 'ADI 0.33 04H +16.41 05 99 BOBBIN ADI 0.36 04H +14.42 05 99 MRPC H L SI VOL 0.22 04H +16.77 05 99 MRPC H L SI VOL 0.25 04H +12.93 05 99 MRPC H L SI VOL 0.37 04H +14.90

05 99 MRPC H L SI VOL 0.45 07H +27.19 76 105 05 99 BOBBIN ADI 0.19 FB8 +6.77 76 121-05 99 BOBBIN ODI 10 0.22 03H +7.28 79 24 05 99 BOBBIN ODI 7 0.16 FBI +11.02 i

'79 76 05 99 BOBBIN ODI 19 0.46 04H +21.61 I 05 99 MRPC H/L SI VOL 0.38 04H +22.12 80 105 05 99- BOBBIN ODI' 6 0.18 08H- +3.83 i

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05 99 BOBBIN ODI 12 0.39 07H +35.18 05 99 MRPC H/L SI VOL 0.24 07H +35.22 94 85 05 99 DOBBIN ADI- 0.17 02H +23.86 95 64 05 99- BOBBIN ADI 0.28 02H +18.95 j 107 88 05 99 BOBBIN ADI 0.28 03H +8.42 l 110 45 05 99 BOBBIN OXP 34.19 TEC +14.97 l- Total Indications Found = 38 Total Tubes Found = 20 l I

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• • • • • • • • • • • • • FTI TUBAN II (V rcien 2.3) 05 12/1999 12:55:49 *************

• • • • • • ege*o** Cattwb2 N.S. - Unit On3 Rrp ccoment *************

• * *e *e* * * ** e d S/G C *************

• • • • • • • • • • • • • 05/99 RFO *************

j ************* BOBBIN,MRPC C/L SI,MRPC H/L SI,MRPC UBEND SI *************

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ATTACHMENT #3 - INDICATIONS OF IMPERFECTIONS INDS OF IMPERFECTIONS - SGC ROW COL OUTAGE TEST TYPE IND %TW VOLTS LOCATION 4

5 54 05 99 BOBBIN NQI 3.64 TSH +0.89 5 132 05 99 BOBBIN ODI 6 0.75 05C +27.11 05 99 MRPC C/L SI VOL 0.15 OSC +27.11 1

6 35 05 99 BOBBIN OXP 36.71 TEH +0.02 to +19.43 l 12 115 05 99 BOBBIN OXP 29.96 TEH +0.00 to +3.75 19 40 05 99 BOBBIN ADI 0.80 07H +22.77 29 10 05 99 BOBBIN NQI 4.27 TSC +0.84 47 20 05 99 BOBBIN NEX 8.65 TSC -0.37 63 120 05 99 BOBBIN ODI 1 0.04 FB4 +1.03 67 88 05 99 BOBBIN ODI 7 0.94 07C +24.84 05 99 BO9 BIN ODI 9 1.05 07C +29.62 05 99 MRPC C/L SI VOL 0.77 07C +24.84 05 99 MRPC C/L SI VOL 1.00 07C +29.62 76 73 05 99 BOBBIN ODI 6 0.10 FB6 +7.96 90 115 05 99 BOBBIN ADI O.20 02H +13.13 05 99 MRPC H/L SI VOL 0.18 02H +13.13 91 40 05 99 BOBBIN NQI 1.23 02C +4.45 05 99 MRPC C/L SI VOL 0.33 02C +4.45 96 55 05 99 BOBBIN NQI O.87 09H +13.46 .

100 49 05 99 BOBBIN NQI 0.84 TSH +0.98 I 05 99 BOBBIN ODI 11 0.18 04H +7.91 1 05 99 MRPC H/L SI VOL 0.37 04H +7.86 q 113 70 05/99 BOBBIN ADI 0.17 O1H +30.98 Total Indications Found = 23 Total Tubes Found = 15 l

• • • • • • • • • • • • • FTI TUBAN'II (Varcian 2.3) 05/12/1999 12:56 50 *************

• • ese****eees Cittwbs N.S. - Unit On3 Repiccoment *************

esseeeebeesed S/G D **********eet L************* 05/99 RFO *************

• • ee*e******* BOBBIN,MRPC C/L SI, m c H/L SI,MRPC UBEND SI *************

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? ATTACHMENT #4 - INDICATIONS OF IMPERFECTIONS INDS OF IMPERFECTIONS - SGD I ROW COL OUTAGE TEST TYPE IND %TW VOLTS LOCATION i 1 138 05 99 BOBBIN NEX 12.35 TSC -0.32 7 112 05 99' BOBBIN .

ODI 17 0.55 08C +3.18 05 99 MRPC C/L SI VOL 'O.21 08C. +3.18 16 141 05 99 - BOBBIN NEX 6.83 TSC' -0.29 28 9 05 99 BOBBIN ODI 2 0.52 09C +4.25 05 99 MRPC UBEND SI VOL 0.60 09C +4.15 33 90 05 99 BOBBIN OXP 28.38 TEC , +17.05 to +18.77 33 110 05 99 BOBBIN , OXP 29.48 TEC +9.82 to +13.24

.37 42 05/99 BOBBIN- ODI 3 0.24 04H +27.50 05/99 'MRPC H/L SI VOL 0.32 04H +27.50

. 37 136 05 99 BOBBIN NEX 8.87 TSH -0.26 38 125 05 99 BOBBIN ODI 3 0.26 07C +23.24 39 10 05 99 . BOBBIN ODI 6 0.42 05C +3.59 05 99' MRPC C/L SI. VOL 0.70 OSC +3.59 49 20 05 99 BOBBIN ADI 0.21 06C +21.03 56 .83 05 99 BOBBIN DNT 20.27 09C +1.69 05 99 MRPC C/L SI DNT 4.30 09C +1.78 05 99 MRPC USEND SI DNT 4.31 09C +1.64 65 72 05 99 BOBBIN- ADI 1.84 08C +3.38 05 99 MRPC C/L SI VOL 0.59 08C +3.38 4 67 14 05 99 BOBBIN NEX 10.12 TSC -0.28 73 20 05 99 BOBBIN NEX 9.37 TSC -0.27 73 126 05 99 BOBBIN OXP 33.03 TSC -0.01 80 45 05 99 BOBBIN ADI 0.12 05H +34.21 05/99 BOBBIN ADI 0.16 05H +32.74 05/99 MRPC H/L SI VOL 0.21 05H +32.74 80 95 05 99 B03 BIN ADI 0.21 05H +34.39 1

05 99 MRPC H/L SI VOL 0.24 05H +34.39 l 89 112 05 99 BOBBIN ODI 18 0.32 06C +14.71 l 05 99 MRPC C/L SI VOL 0.22 06C +14.71 93 50 05 99 BOBBIN ADI 0.13 08H +22.14 05 99- MRPC H/L SI VOL 0.10 08H +22.14 105 40 05 99 BOBBIN NEX 10.01 TSC -0.25 1

Total Indications Found = 33 Total Tubes Found = 21 l

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