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Cork insulation; a complete illustrated textbook on cork insulation ...

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STRUCTURAL SUGGESTIONS 193<br />

up by failure to use sufficient <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> <strong>on</strong> the bottom* and<br />

baffle of the bunker.<br />

The overhead bunker, single or multiple type, requires<br />

c<strong>on</strong>siderable head room, a 10-foot height before the <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g><br />

is erected <strong>on</strong> floor and ceiling being necessary for a maximum<br />

head room of 6 feet under bunker and a coil loft maximum<br />

height of 2^ feet, A minimum height of 12 feet before insu-<br />

lati<strong>on</strong> is applied is much better, especially if ice, which re-<br />

m<br />

FIG. 61.—COX HOLDOVER TANK COOLING SYSTEM. ILLUSTRATING ELE-<br />

VATION DETAILS OF BUNKER CONSTRUCTION AND CORKBOARD<br />

INSULATION.<br />

quires more head room than coils, is to be used. If the room<br />

is to c<strong>on</strong>tain overhead tracking, additi<strong>on</strong>al height will be<br />

necessary. The natural arrangement of double bunkers is<br />

to place each warm air up-take next a side wall and the cold<br />

air down-flow in the center of the room ; because the warmest<br />

air in the cold storage room is likely, <strong>on</strong> account of the heat<br />

leakage, to be a layer adjacent to the walls. In certain cases,<br />

however, such as chill rooms for fresh killed poultry or pre-<br />

coolers for fresh beef, this warm and cold air duct order<br />

•Sufficient <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> <strong>on</strong> the bottom of bunker will also prevent sweating.

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