TABLE 160.2-B – Minimum Ventilation Rates for Multifamily Common Use Areas

Occupancy Category3	Area Outdoor Air Rate1 Ra cfm/ft2	Min Air Rate for DC cfm/ft2V2	Air Class	Notes
Daycare (through age 4)	0.21	0.15	2
Multiuse assembly	0.50	0.15	1	F
Dining rooms	0.50	0.15	2
Bars, cocktail lounges	0.50		2
Kitchen (cooking)	0.50		2
Break rooms	0.50	0.15	1	F
Coffee stations	0.50	0.15	1	F
Conference/meeting	0.50	0.15	1	F
Corridors	0.15		1	F
Occupiable storage rooms for liquids or gels	0.15		2	B
Laundry rooms, central	0.15		2
Lobbies/pre-function	0.50	0.15	1	F
Breakrooms	0.50	0.15
Occupiable storage rooms for dry materials	0.15
Office space	0.15		1
Reception areas	0.15		1	F
Telephone/data entry	0.15		1	F
Computer (not printing)	0.15
Freezer and refrigerated spaces (<50°F)	-		1	F
Shipping/receiving	0.15
Gym, sports arena (play area)	0.50	0.15	2	E
Swimming (pool)	0.15		2	C
Swimming (deck)	0.50	0.15	2	C
Disco/dance floors	1.50	0.15	2	F
Health club/aerobics room/weight rooms	0.15		2
Game arcades	0.68	0.15	1
All others	0.15