The minimum airflow for Type I hoods used for solid fuel-burning cooking appliances, grease-burning charbroilers and similar appliances shall be:
Number of exposed sides | Formula | |
For SI: | ||
4 (island or central hood) | Q = 300A | Q = 1.52A |
3 or less | Q = 200A | Q = 1.02A |
Alternate formula | Q = 100PD | Q = 0.51PD |