How do you determine occupancy classification?

Occupancy Types: California Building & Fire Code California building and fire code recognize a primary division in occupancy classification. This is according to the number of expected people or residents in a structure. Each of these groups has specific building and fire code requirements.

What is a group A 3 occupancy?

Group A-3 occupancy includes assembly uses intended for worship, recreation or amusement and other assembly uses not classified elsewhere in Group A including, but not limited to: Amusement arcades. Art galleries. Bowling alleys. Community halls.

What is a group R-1 occupancy?

Residential Group R-1 occu- pancies containing sleeping units where the occupants are. primarily transient, including: Hotels. Motels.

What is an A 5 occupancy?

Group A-5 occupancy includes assembly uses intended for participation in or viewing outdoor activities including, but not limited to: Amusement park structures. Bleachers. Grandstands. Stadiums.

What is the occupancy classification of a church?

Assembly (Group A) – places used for people gathering for entertainment, worship, and eating or drinking. Examples: churches, restaurants (with 50 or more possible occupants), theaters, and stadiums.

What is H 2 occupancy?

Group H-2 includes occupancies containing materials that have a deflagration potential or that create a hazard from accelerated burning. Group H-3 includes occupancies containing materials that are easily combustible or pose a “physical hazard.”

How do you calculate occupancy load?

The occupancy load is calculated by dividing the area of a room by its prescribed unit of area per person. Units of area per person for specific buildings can be found in the chart at the end of this article. For instance, the chart dictates that dormitories require 50 square feet of floor area for every room occupant.

What is the maximum occupancy per square foot?

The IBC recommends for spaces with unconcentrated use of chairs and tables, such as a restaurant, that 15 square feet on that floor of the building be dedicated to each occupant. That means a 500 square foot restaurant might have a maximum occupancy of 33 people.

What is H-4 occupancy?

H-4 is used for occupancies containing materials presenting a health hazard, and H-5 is a special classification for the unique hazards presented by semiconductor fabrication facilities. Table 1. The International Building Code (IBC) categorizes high-hazard occupancies into five subgroups.