ML20247E796
| ML20247E796 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/19/1989 |
| From: | Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 89-475, NUDOCS 8907270001 | |
| Download: ML20247E796 (7) | |
Text
{{#Wiki_filter:) l VIRGINIA ELECTRIC AND POWER COMPANY RiclIMOND, VIRGINIA 23261 July 19, 1989 U.S. Nuclear Regulatory Commission Serial No. 89-475 Document Control Desk PES /lSI/FPB Washington, D.C. 20555 Docket No. 50-338 License No. NPF-4 Gentlemen: VIRGINIA ELECTRIC' AND POWER COMPANY NORTH ANNA POWER STATION UNIT 1 STEAM GENERATOR TUBE PLUGGING REPORT North Anna Unit 1 completed eddy current examination of all three steam generators during the recent 1989 refueling outage. As required by Technical Specification 4.4.5.5.a, attached is a listing of those tubes that were plugged during the recent outage. Should you have any questions or require additional Information, please contact us. f Very truly yours, W. L. Stewart Senior Vice President - Power 1 Attachment l cc: U.S. Nuclear Regulatory Commission Region ll 101 Marietta Street, N.W. Suite 2900 l Atlanta, Georgia 30323 j Mr. J. L. Caldwell NRC Senior Resident inspector North Anna Power Station j I l l 00 ii l 8907270001 890719 PDR ADOCK 05000338 P PDC
1 j I ATTACHMENT l i i i l VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 1 STEAM GENERATOR TUBE PLUGGING REPORT REFUELING OUTAGE - 1989 1
<d i } l Steam Generator Examination .i Virginia Electric and Power Company 1 North Anna Power. Station Unit 1 1 j .J J Steam Generators A, B, & C Tubes Plugged Summary i The following tables list those tubes in the North Anna Unit 1. Steam Generators which - were previously in service and plugged during the 1989 refueling outage. Table No.1: Tubes plugged in Steam Generator A. Table No. 2: - Tubes plugged in Steam Generator B. . Table No. 3: Tubes plugged in Steam Generator C. i 1 . !i l 2
. Table No.1 1 Total number of tubes piogged during the 1989 refueling outage in Steam Generator A The following tubes were plugged based on eddy current indications: i l-Eg,g Column '05 01 13 04 03 09 06 12 07 18 07 19 'l 15 21 04 23 19 23 18 25 05 26 07 26 16 27 17 28 16 36 05 39 04 40 03 41 21 42 0 48 1 20 51 23 52 23 53 26 54 30 54 20 55-02 58 29 59 02 60 17 61 40 63 12 65 04 68 06 68 09 75 18 78 11 84 25 87 17 90 j i
.-_r-___ l Table No. 2 Total number of tubes plugged during the 1989 refueling outage in Steam Generator B The,following tubes were plugged based on eddy current indications: Egg Column BQg Column 02 ' 05 - 11 45 02 06 16 46 02 07 14 47 03 11 18 47 34 18 11 48 07-19-12 48 02 21 28 51 07 22 05 53-24 23 15 53 03 25 16 53 02 28 30 53 07 28' 13 54 39 33 16 54 24 35 26 54 06 37 04 56 14 39 11 60 28 39 12 67 03 40-35 68 07 41 10 73 24 41 24 73 25 42 34 74 11 43 34 75 34 43 14 83 16 44 25 87 18 44 02 92 The following tubes were plugged after installation of dampeners: Egg Column 09 35 09 46
t-i f s i s e t [, ;. - ~ Table No. 3. + Total number of tubes plugged during the 1989 refueling ' outage in Steam Generator C 1 The,following tubes were plugged based on eddy current indications: { Bgg Column Bag Column 03 08 13 51 1 03 09 15: ~51-06 09 .34-51. 02 1.1 ' 14 53 4 .11 12 54 29-15 14' 54-12 16-15- '54-12 ' '19 33 54 04' 24 '- 13 ~55 05-28 24 57 02 30 06 60 19 33. 06 61 20 33-30-62 21 35 .25 64' - 1 06 36 10 66 27 36 23 67-16 37 03 .71 -26 38 06 71 11 41 15 71 .45 - 43 18 71 02 47 '31 71 .09 48 14 77. 21 48 .07 81 26 48 20-81 25 49 24: .81 ] 34 49 25 81 1 13 50 03' 91 i 14 50 06 92' l - 4 i The following tubes were plugged after installation of dampeners: Bag Column ) 09 35 09 60 g r 4 .___.____m.__._z__._________._1.__.. 1
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L c a:- Table No. 3 (continued) -{ l The followin'g tubes were plugged around the failed tube in Row 03 Column 60: Bgg Column - I 02 59-03 59 04 59 04 60 02 61 03 61 04 61 = = = - _. = _ \\}}