ML18100A358

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Forwards Listing of SG Tubes Plugged During Seventh Refueling Outage.In all,38 Tubes plugged,31 Due to Imperfection Depths Greater than or Equal to 40% & 7 Plugged Due to Imperfection Depths Between 30% & 40%
ML18100A358
Person / Time
Site: Salem 
Issue date: 05/04/1993
From: Vondra C
Public Service Enterprise Group
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9305110310
Download: ML18100A358 (2)


Text

  • .

e PS~G Pu.blic Service Electric and Gas Company P.O. Box 236 Hancocks Bridge, New Jersey 08038 Salem Generating Station U. s. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555

Dear Sir:

SALEM GENERATING STATION LICENSE NO. DPR-75 DOCKET NO. 50-311 UNIT NO. 2 May 4, 1993 TECHNICAL SPECIFICATION SURVEILLANCE 4.4.6.5.a NOTIFICATION On April 21, 1993, Steam Generator (S/G) tube plugging, in support of the seventh refueling outage, was completed.

Attached is a list of the plugged tube locations.

In all, thirty-eight (38) tubes were plugged of which:

thirty-one (31) tubes were plugged due to imperfection depths greater than or equal to 40% and seven (7) tubes were plugged due to imperfection depths between 30 and 40%.

This notification is being made, within fifteen (15) days after tube plugging, as required by Technical Specification Surveillance 4.4.6.5.a.

MJP:pc 100072

c. A. Vondra, General Manager -

Salem Operations

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  • 1 he power is in your hands.

95-2189 REV 7-92

e SIG Row/Column Steam Generator Tubes Plugged Seventh Refueling Outage

% Depth SIG Row/Column ATTACHMENT

% Depth Top of Tube Sheet - Rotating Pancake Coil (RPC) Program 22 33/52

>40 24 21/17 95 27/55

>40 20/32 82 28/58

>40 34/35

>40 28/59

>40 43/37 34 8/65

>40 20/38

>40 3/75

>40 22/38

>40 7/4

>40 20/41

>40 16/5

'>40 20/42

>40 17/9

>40 20/43*

93 23/11

>40 14/56

>40 28/21

>40 6/57

>40 43/33

>40 6/76

>40 46/49

>40 26/78

>40 28/79

>40 25/80

>40 4/93

>40 5/93

>40 6/93 38 7/93 32 8/93 31 Bobbin Coil Inspection (BCI) Program 22 27/33 42 24 28/58 39 27/35 47 33/64 36 34/51 36 NOTE:

All above RPC identified indication depths were inspected via the BCI Program to quantify the percent depth of indication.

In most cases above, the BCI could not identify the indication due to the relative nature of the degradation.