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– 9 –
RATE OF EXHAUST FLOW CALCULATIONS (FIG. 2)
Based on the International Mechanical Code (latest edition).
Fig. 2
Canopy size and location
The inside lower edge of canopy-type Type I and II commercial hoods shall overhang or extend a horizontal
distance of not less than 6 inches (152 mm) beyond the edge of the top horizontal surface of the appliance
on all open sides. The vertical distance between the front lower lip of the hood and such surface shall not
exceed 4 feet (1219 mm).
The RATE of air fl ow required for a vent hood is a minimum of 100 CFM per linear foot of hood length.
LENGTH
CLEARANCE
HEIGHT
WIDTH
UW50 Untensil Washer 208-240/60/3 Page 20 of 112