ML20095L587

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Forwards Steam Generator Tube Plugging Rept,Containing Results of Steam Generator Eddy Current Exams Conducted During 1992 Refueling Outage.Listing of Tubes Plugged Also Contained in Encl
ML20095L587
Person / Time
Site: North Anna Dominion icon.png
Issue date: 05/04/1992
From: Stewart W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
92-310, NUDOCS 9205070149
Download: ML20095L587 (11)


Text

,_

y VIHOINEA MI ECTHIC AND POWI H COhil'ANY lt ren> toxo,Vinuix $ eneus-May 4, 1992 U.S. Nuclear Regulatory Commission Serial No.

92 310 Attention: Document Control Desk NES/lSl/IBC: R0

' Washington, D.C.. 20555 Docket No.

50-339 License No.

NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY-NORTH ANNA POWER STATION UNIT 2 STEAM GENERATOR TUBE-PLUGGING REPORT North Anna Unit 2 recently completed its 1992 refueling outage. During the outa00, steam generator tube eddy current examinations were conducted. As required by Technical Specification 4.4.5.5.a. the_ attachment to this letter provides a listing of

- those tubes that were plugged during the outage.

Should you have any questions or require additionalinformation, please contact us.

' Very truly you

~

j W. L. Ste art -

Senior Vice President - Nuclear

~ Attachment 1.

North Anna Unit 2 Steam Genarator Tube Plugging Report cc:

U.S. Nuclear Regulatory Commission Region 11

~

101 Marietta Street, N.W.

Suite 2900

' Atlanta, Georgia 30323 -

Mr.' M. S.' Lesser NRC Senior Resident inspector L

North Anna Power Station I

L Docko$$$o339 i

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ATTACHMENT

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 2 STEAM GENERATOR TUBE PLUGGING REPORT REFUELING : OUTAGE - 1992 l~

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Steam Generators A, B, & C Tubes Plugged Summary The following tables list thoso tubes in the North Anna Unit 2 steam generators which were previously in service and plugged during the 1992 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.

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  • 5 :

6 Table N0c 1 EQRTH ANNA UNIT 2 STE. REFUELING - MARCH 1992 OUTAGE ATEAM GENERATOR "A" TUBE PLUOGING.

SUMMARY

Row Col.

13 3

9 9

10-9 19-10 4

11 10

.11-5 14 6

14 12 16 11 17 9

19

  • 15 22
  • 16 24 7

25 **

21' 27 l

10 29 13' 30 42 30 5

31 10 32 8-34

  • 15 35 j.

-44 35 l

5 37

~13 37-10 38-

-11 38 26 38 l

41'

- 45 38 16 40-ll

28 41 l

37-41

-33'

42 11 43-**

8 45

-35 49 36.

55 6

57 36

~68 37 68 1

v-

-4 v

.,3 p

Table No. Ii H

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- NORTH ANNA UNIT 2 s

ATE AEFUELING~- MARCH 1992 OUTAGE

-ETEAN...GENEBhT9R "A" TUBE PLUGGING

SUMMARY

Row-Col.

13 72 12 87-

  • = TUBES-STABILIZED AND PLUGGED
    • = TUBES PULLED'AND WELD PLUGGED IN HOT LEG TOTAL TUBES PLUGGED-=-45 TUBES 4

2 2

4.-

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r r

A

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I NORTH ANNA UNIT 2 GTH' REFUELING - 11 ARCH 1992 OUTAGE STEAM GENERATOR "B" TER1_EJd!991Eq fRIQi&BX

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Row-Col.-

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11 i

31 11 I

.35 17 19 02 23 36 22 37

.29 37 14 44 18-45

  • 26 45 12 58 15 61
  • 25 62

-29 62

  • = TUBFS STABILIZED AND PLUGGED

-TOTAL TUBES BEING PLUGGEO = 14

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-. ~,..

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. _ -. ~ _..... - - -. -. ~.

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-Table No. 3 -

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NORTH ANNA UNIT 2 8TH RFJUELING - MARCH 1992-OUTAGE STEAM - GENERATOR- "C" TUBE PLUGGING SU)DERI ep Row Col.

3 1

7 1

10 5

15 6

16 6

12 7

h-

.23 7 *

-i

-11 8

14 8

19 9

11 10 26 10 *

'27 10 15 11 28-11 15 12 3

-13 14 13

-27 13

- 10 :

14 16 14 17 14

  • 25 14 2

15

'10 15

=16 15-

.19 16 26-16

-30 16 31 16 30 17

  • 3 18 5

18 12 18

-13 18

  • 19 18
23 19 26-19

-27 20 3

21

  • 7 22 8

22 9

22-25 22 l

1

Table No. 3 ~

NORTH ANNA UNIT 2-8TH REFUELING - MARCH 1992 OUTAGE STEAM GENERATOR "C" TUBE PLUGGING BUMMABX Row Col.

29 22 31 22 37 22 2

23 3

23

  • 24 23 30 23 32 23 25 24
  • 30 24 32 24 39 24 16 25 21 25 23 25 24 25 25 25 37 25 9

26 13 26 14 26 25 26 26 26

  • 12 27 4

28 18 28 31.

28 24 29

-25 29 27 29 30 29 31 29 2

30 10 30 9

31 3

32 10 32 17 32 23 32 28 32 7

-33 10 33

  • 16 33 23 33 2

~

~

~

Table No. 3:

NORTH ANNA UN.IT 2 STH REFUELING '- MARCH 1992 QQTAGE STEAM GENERATOR "C" TUBE PLUGGING BUt0GRY Row Col..

4 20 33

  • 2 34-6 _

34

+

16 34 17 38

.20 34

.j 24 34 18 35 3

36

12 36 18 36 42 36 4

37 5

37-*

3 38 19 38-38

28-38 2-39-16 39 23 39

'24 39 42 39 *

-14 -

18 40 18

-41

-20 41 39-41-

~3.

42

-8 42 12 42 17 42 45 42 10 43 11

'43

-43'

-43 8

44 25 28' 44

'31 44 25 45 30-45 6

46 18 46 3

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--Table No. 3 HQRT]L,MA UNIT 2 STN REFUELING - MARCH 1992 Q_UTAGE RTEAM.I&HEBATOR_.!'U" TUBE PLUGGING BUMMARY -

Rov-Col.

i 20 46

  • 24

-46 4 6'-

47

-22 48

  • 27-48 28 48 35-48 l

45 48 28 49

  • 29-49 35' 49 36 49 19 50 22 50 i

27 50

  • 38

_50 8'

51 18 --

51 32

-51 18 52 20 52 34 52

'19 53

  • 54

-29 54 37 54 19 55

  • 31.

-- 5 5 18-56 *

15-58 20 58 27-58

-20 59 161 60 17 60-24 61 27 61 32.

62 18 63

  • 35

.63

=23 64 12 65 p

20 65 8

66 4

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x :

Table 'NO. 3 NORTH ANNA UNIT 2 8TH REFUELING MARCH 1992 OUTAGE STEAM. GENERATOR "C" TUBE-PLUGGING.

SUMMARY

-Row Col-35 66 19

.67 36 67 17 68 21 69 30 69 33

-72 32 74 36 74 31 76 3

77 27-80 29 82 31 82 20 87

  • = TUBES STABILIZED AND PLUGGED TOTAL TUBES PLUGGED = 191 i.

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