1004.1.3 Areas without fixed seating.
The number of occupants shall be computed at the rate of one occupant per unit of area as prescribed in Table 1004.1.3. For areas without fixed seating, the occupant load shall be not less than that number determined by dividing the floor area under consideration by the occupant load factor assigned to the function of the space as set forth in Table 1004.1.3.
Function of Space | Occupant Load Factor a |
Function of Space | Occupant Load Factor a |
Accessory storage areas, mechanical equipment room | 300 gross |
Agricultural building | 300 gross |
Aircraft hangars | 500 gross |
Assembly Gaming floors (keno, slots, etc.) Exhibit gallery and museum | 11 gross 30 net |
Assembly with fixed seats | See Section 1004.3 |
Assembly without fixed seats Concentrated (chairs only – not fixed) Dance floor Dance floor (ballroom) Standing space / waiting area Unconcentrated (tables and chairs) | 7 net 5 net 10 net 5 net 15 net |
Bowling centers, allow 5 persons for each lane including 15 feet of runway, and for additional areas | 7 net |
Business areas, including accessory areas on terraces and rooftops | 100 gross
b, d |
Courtrooms – other than fixed seating areas | 40 net |
Day Care Age under 6 months Age 6 months – 2 years Age 2 years – 6 years Age above 6 years | 50 net 40 net 30 net 50 net |
Dormitories | 50 gross |
Educational Classroom area Shops and other vocational room areas Kindergarten, and pre-kindergarten | 20 net 50 net 30 net |
Exercise rooms | 50 gross |
Group H-5 Fabrication and manufacturing areas | 200 gross |
Gymnasiums | 15 net |
Industrial areas | 100 gross |
Institutional areas Inpatient treatment areas Outpatient areas Sleeping areas | 240 gross 100 gross 120 gross |
Kitchens, commercial | 200 gross |
Library Reading rooms Stack area | 50 net 100 gross |
Locker rooms | 50 gross |
Mall buildings – covered and open | See Section 402.8.2 |
Mercantile Areas on other floors Basement and grade floor areas Storage, stock, shipping areas | 60 gross 30 gross 300 gross |
Parking garages | 200 gross |
Passenger terminal Baggage claim Baggage handling Concourse Passenger terminal or platform Waiting area (Standing) Waiting areas (Seated) | 20 gross 300 gross 100 gross 1.5 × C* 15 gross 5 net |
Residential Within dwelling units Rooftop and terrace accessory to Groups R-2 and R-3 Indoor residential amenity spaces accessory to Group R-2 (concentrated) e Indoor residential amenity spaces accessory to Group R-2 (unconcentrated) e | 200 gross 200 gross b, c, d 15 net 50 net |
Skating rinks, swimming pools Rink and pool Decks | 50 gross 15 gross |
Stages and platforms | 15 net for performing area and 50 net remaining area |
Warehouses | 500 gross
|
C* - capacity of all passenger vehicles that can be unloaded simultaneously.
For SI: 1 square foot = 0.0929 m
2
, 1 foot = 304.8 mm.
a. Floor area in square feet per occupant.
b. For the purposes of occupant load calculation, permanent fixtures and amenities such as shrubs, decorative pools, non-walkable paving surfaces, etc. may be deducted from the total floor area.
c. A rooftop or terrace in Group R-2 or R-3 occupancies that is provided for the incidental, recreational use by the residential tenants residing in the same residential building.
d. Where the maximum occupant load of the rooftop or terrace exceeds 74 persons based on occupant load calculations, a Place of Assembly Certificate of Operation is required pursuant to Section 28-117.1 of the Administrative Code and Item 1 of Section 303.7 of this code.
e. To be used only when the occupant load for the function of the space is not listed elsewhere in Table 1004.1.3.