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Recommended:
Provide a correctly sized, ducted ventilation system for all cooking surface appliances. The recommended minimum is 150 cfm.
Code Requirement:
- Manufacturer’s specifications must be followed. (IRC G 2407.1, IRC G 2447.1)
- The minimum required exhaust rate for a ducted hood is 100 cfm and must be ducted to the outside. (IRC M 1507.3)
- Make-up air may need to be provided. Refer to local codes. (IRC G 2407.4)
Access Standard
Recommended:
Ventilation controls should be placed 15” – 44” above the floor, operable with minimal effort, easy to read and with minimal noise pollution.
Code Reference:
- Operable parts should be operable with one hand and not require tight grasping, pitching or twisting of the wrist. The force required to activate operable parts should be 5 pounds maximum. (ANSI A117.1 309.4)
- Where a forward or side reach is unobstructed, the high reach should be 48” maximum and the low reach should be 15” minimum above the floor.(ANSI A117.1 308.2.1 and 308.3.1)
- Where a forward or side reach is obstructed by a 20” – 25” deep counter, the high reach should be 44” maximum. (ANSI A117.1 308.2.2)
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