ML20083H867

Structural Steel Analysis for Limerick Generating Station, Reactor Bldg Elevation 198-Ft Pipe Tunnel Room 202,Fire Area 76

ML20083H867
Person / Time
Site:	Limerick
Issue date:	12/20/1983
From:	PROFESSIONAL LOSS CONTROL, INC.
To:
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References
NUDOCS 8401090494
Download: ML20083H867 (3)

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(([ Professional Loss Control, Inc.

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STRUCTURAL STEEL ANALYSIS for LIMERICK GENERATING STATION Reactor Building El. 198' Pipe Tunnel Room 202 Fi,re Area 76 December 20, 1983 0401%$fgO R PDR E

P. O. Box 446

• Oak Ridge. Tennessee 37830 * (615) 482-3541

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LIMERICK GENERATING STATION

1. AREA DESCRIPTION The area under consideration is the Pipe Tunnel Room 202 on tne 198' elevation of the Reactor Building (Fire Area 76). Bounding walls and ceiling are of concrete construction with an average thickness of 3 f t.

The total surface area of the bounding walls and ceiling is 14368 ft2, (See Attachment A for sketen and calculation of areas.)

2. COMBUSTIBLE LOADING There are no cable trays or combustible oils located in this area.

3. VENTILATION PARAMETERS There are two doors into the tunnel. Both doors are in the north wall near

'the east and west walls of the tunnel. Each door is part of an air lock into the tunnel.

4. CASES EXAMINED ,

With no exposed combustible cabling and no combustible liquids in the tunnel, there is no fuel in the area to support combustion.

5. RESULTS The structural steel in:this area will not fail since there are no fixed combustibles in the area to support a fire.

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'h Reactor Building El. 198' Pipe Tunnel Room 202 Surface Area Calculation Walls North wall (320' x 18') 5760 ft2 East wall -(8' x 18') 144 ft2 South wall (8' x 18') 144 ft2 West wall (320' x 18') 5760 ft2 11,80fl ft2

[ Wall neight = 217' el - 198' el - (l' floor slab) = 18']

Ceiling (320' x 8') 2560 ft2 Total Surface Area for Heat Transfer 14,368 ft2 ATTACHMENT A

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