Room Capacity Calculator Fire Code

The occupant load factors used for each room come from table 7 3 1 2 in nfpa 101 life safety code.

Room capacity calculator fire code.

That is the logical and true answer. State fire marshal guidance for estimating occupant capacity during covid 19 the following guidance can be used to help estimate the occupant capacity for certain businesses and establishments as permitted by the governor s supplemental proclamation dated april 27 2020. To estimate the occupancy of a space divide the square footage of the room by the square footage required per person. The method involves two separate calculations.

Anon947614 april 26 2014. They are formulas based on each of the different types of occupancies. Most all of the answers to the comments are in the building and fire codes. Like the winecoff hotel fire the cocoanut grove nightclub fire brought about some major changes in safety standards and building codes.

Calculate a basic estimation of a room s maximum occupancy by dividing the available floor space in square feet by 36. This square footage per person varies significantly depending on the type of building and can be found in section 1004 of the international fire code. Legally the club was only authorized to have a maximum of 460 people in it there was only one other such event fire at chicago s iroquois theater in 1903 that had a higher death toll 602 people. In the example above divide 2 000 by 36 to get 55 55.

You can use the following methodology to calculate the capacity of rooms in your school based upon fire safety standards. Calculate the occupancy count for the specific occupancy use. A fundamental concept of model building codes fire codes and life safety codes is that a means of egress is designed to accommodate all occupants of a building. The use to which the room is to be put 2.

Rounding down the safer bet since the fire marshal will always play it safe by allowing a smaller maximum occupancy that room should be able to hold 55 people. The total usable area of the room divided by the occupancy factor. Divide the square footage by 36. 75 ft 5 ft x 50 ft 5 ft 70 ft x 45 ft 70 ft x 45 ft 3 150 ft 2 3 150 ft 2 15 ft per person 210.

The number size and location of the available exits. If you measured the room in sections add up the square feet of each section.