Occupancy Load

MAXIMUM FLOOR AREA ALLOWANCES PER OCCUPANT

FUNCTION OF SPACE

OCCUPANT LOAD FACTOR*

Accessory storage areas, mechanical equipment room300 gross
Agricultural building300 gross
Aircraft hangars500 gross
Assembly
Gaming floors (keno, slots, etc.)
Exhibit gallery and museum
11 gross
30 net
Assembly with fixed seatsSee Section 1004.4
Assembly without fixed seats
Concentrated (chairs only- not fixed)
Standing space
Unconcentrated (tables and chairs)
7 net
5 net
15 net
Bowling centers, allow 5 persons for each lane including 15 feet of runway, and for additional areas7 net
Business areas100 gross
Courtrooms - other than fixed seating areas40 net
Day care35 net
Dormitories50 gross
Educational Classroom area
Shops and other vocational room areas
20 net
50 net
Exercise rooms50 gross
Group H-5 Fabrication and manufacturing areas200 gross
Industrial areas100 gross
Institutional areas
Inpatient treatment areas
Outpatient areas
Sleeping areas
240 gross
100 gross
120 gross
Kitchens, commercial200 gross
Library
Reading rooms
Stack area
50 net
100 gross
Locker rooms50 gross
Mall buildings - covered and openSee Section 402.8.2 of the International Building Code
Mercantile
Areas on other floors
Basement and grade floor areas
Storage, stock, shipping areas
60 gross
30 gross
300 gross
Parking garages200 gross
Residential200 gross
Skating rinks, swimming pools
Rink and pool
Decks
50 gross
15 gross
Stages and platforms15 net
Warehouses500 gross

* 1004.4 Fixed seating. For areas having fixed seats and aisles, the occupant load shall be determined by the number of fixed seats installed therein. The occupant load for areas in which fixed seating is not installed, such as waiting spaces, shall be determined in accordance with Section 1004.1.2 and added to the number of fixed seats.