Commercial kitchen duct systems serving type i hoods shall be designed constructed and installed in accordance with sections 506 3 1 through 506 3 13 3.
Kitchen exhaust ductwork. Whether it s a straight and vertical shot from stovetop to rooftop or there are multiple twists and turns involved in the ductwork kitchen exhaust cleaners must be able to work with any system as multipurpose facilities and mixed use developments become increasingly popular kitchen exhaust systems must adapt to a. Kitchen exhaust systems can be as different as the kitchens they serve. Use rigid duct with insulated duct sleeve for an oven exhaust fan. Run duct work through the attic then attach the stove vent to a roof cap.
Screw the ductwork together. A fire that originates within the kitchen or at the hood filters can spread into and up the ductwork system fuelled by the oil and grease within the duct. Type i exhaust ducts shall be independent of all other exhaust systems except as provided in section 506 3 5. The dishwasher fan should be an alu minum unit.
If you don t want to hear the roar of a not so cheap kitchen exhaust hood right over your head what are the options. Consider a situation in which a current exhaust system. Kitchen exhaust fires can spread in a number of ways. How to install a kitchen fan vent.
A grease duct is a duct that is connected to the kitchen exhaust hood and is specifically designed to vent grease smoke and other harmful contaminants from commercial cooking equipment to the outside of a building. 3 hour fire rated duct. Spigot connections at 5 to 7m s. Duct access panels every 3 metres of straight duct and change of direction.
4 hour fire rated duct. Exhaust ductwork should be stainless steel below the kitchen ceiling and either stainless steel or aluminum above the ceil ing. The exhaust duct should be liquid tight and pitch back toward the dishwasher. Here is the basic idea.
Of kitchen fires will involve the kitchen exhaust hood or ductwork. 2 hour e119 s101 fire rated duct and enclosure. Connect the ductwork with sheet metal screws wrap the connections with aluminum faced duct tape then wrap the. Take a high quality fan mount it remotely from the hood and make sure the fan noise does not get transferred back to the hood.
The largest 2 hour fire and blast resistant duct. Connect the operation of the dishwasher exhaust fan to the dishwasher control panel. Duct to slope up in direction of flow for grease flow back to hood. Ducts serving type i hoods shall be constructed of.
Kitchen exhaust grease duct. A fire within the duct can ignite combustible materials outside of.