ML20083J115

Structural Steel Analysis for Limerick Generating Station, Control Structure Elevation 332-Ft Standby Gas Treatment Sys Access Area Room 625,Fire Area 28A

ML20083J115
Person / Time
Site:	Limerick
Issue date:	12/20/1983
From:	PROFESSIONAL LOSS CONTROL, INC.
To:
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References
NUDOCS 8401090687
Download: ML20083J115 (3)

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STRUCTURAL STEEL ANALYSIS for LIMERICK GENERATING STATION Control Structure El. 332' Standby Gas Treatment System Access Area Room 625 Fir,e Area 28A December 20, 1983 8401090687 840104 PDR ADOCK 05000352 E PDR P. O. Box 446 e Oak Ridge, Tennessee 37830 e (615) 482-3541

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e. 6 LIMERICK GENERATING STATION

1. AREA DESCRIPTION The area under consideration is the Standby Gas Treatment System Access Area Room 625 on the 332' elevation of the Control Structure (Fire Area 28A). The bounding walls of the area are of reinforced concrete construc-tion with an average thickness of 2 ft. The total surface area for heat transfer is 8928 ft2 (see Attachment A for sketch and calculation of surface areas).

2. COMBUSTIBLE LOADING All cabling in this area is routed in conduit, there are no cable trays. ,

There are no combustible liquids in this area.

3. VENTILATION PARAMETERS There are two doors which enter the area, each measuring 3' wide by 7' high. These doors are located along the north wall and lead into stair-wells. .

4. CASES EXAMINED With no exposed combustible cabling and no combustible liquids in the area, there is no fuel in the area to support a fire.

5. RESULTS The structural steel in this area will not fail due to a fire, as there are no fixed combustibles in the area to support a fire 1

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g i -t Control Structure El. 332' Standby Gas Treatment System Access Area Room 625 Surface Area Calculation Walls North wall (120' x 17') 2040 ft2 South wall (120' x 17') 2040 ft2 East wall (72' x 17') 1224 ft2 West wall (72' x 17') 1224 ft2 Ceiling 2400 ft2 Total Surface Area for Heat Transfer 8928 ft2 ATTACHMENT A

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