ML19323D675

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Responds to IE Bulletin 80-03, Loss of Charcoal from Std Type II, Two-Inch,Tray Adsorber Cells. Visual Insp of Adsorber Section Was Performed.No Defective Spot Welds Were Observed.Screens Showed No Sagging Away from Cell Frames
ML19323D675
Person / Time
Site: Comanche Peak  
Issue date: 03/12/1980
From: Gary R
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
IEB-80-03, IEB-80-3, NUDOCS 8005220131
Download: ML19323D675 (2)


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NSIC TEXAS UTILITIES GENERATING COSIPANY CENTRAL FILES 2001 BRYAN TOWER = DAIJ A8.TELug 76201 a.a.aaar March 12, 1980

".'Z, .r." ~"Jl:' TXX-3108 Mr. Karl V. Seyfrit, Director U. S. Nuclear Regulatory Commission Region IV RIV 611 Ryan Plaza Drive, Suite 1000 Docket Nos. 50-445/IE Bulletin No. 80-03 Arlington, Texas 76012 50-446/IE Bulletin No. 80-03 COMANCHE PEAK STEAM ELECTRIC STATION 1981-83 2300 MW INSTALLATION IE BULLETIN 80-03 FILE N0: 10115

Dear Mr. Seyfrit:

In response to IE Bulletin 80-03 we offer the following:

1. All adsorber cells for use at Comanche Peak are vertical deep-bed, permanent single unit type as manufactured by C.V,I. Corporation. The perforated screens are secured to the frames by spot welds spaced at 2" centers.
2. A visual inspection of the adsorber section was performed on a representative number of the units. The inspection points and infor. nation documented was as follows:

A. Unit Tag Number Manufacturer Model Number Serial Number Type Adsorber Cell j

B. Screen Securing Method Spacing of Fastenings C. Condition of Screen

1. Evidence of sagging
2. Defective fastenings 1

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, t. s IE Bulletin No. 80-03 TXX-3108 Page 2 No defective spot welds were observed and there was no evidence of screens sagning away from the cell frames.

If there are any questions, please advise.

Very truly yours, R 'J . Ga ry RJG:df cc: Director Division of Fuel Facility and Materials Safety Inspection Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 i

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