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The occupant load factor for business uses has been revised to one occupant per 150 square feet. Live loads on decks and balconies increase the deck live load to one and one-half times the live load of the area served. The minimum lateral load that fire walls are required to resist is five pounds per square foot.
To determine how many exits are required, how wide they have to be, and the anticipated number of people in the building, the occupant load needs to be estimated. This fact sheet uses an example to illustrate the method for determining occupant load based on NFPA 101®, Life Safety Code®. CALCULATION EXAMPLE (Imperial measurements)
Read this free NFPA fact sheet and accompanying video illustrating the proper method for determining occupant load based on NFPA 101, Life Safety Code.
SUMMARY. An Occupant Load is the maximum probable number of occupants in a room or space, consistent with its intended function. • For Fixed-Seating (seats that are bolted to the floor), occupant load for a room or space is just the count (number) of fixed seats.
Jul 2, 2020 · Based on the calculated occupant load of the building, structure, or part thereof, a determination is made for the capacity of the means of egress in terms of size, number, location, and other applicable code provisions, using the remainder of Chapter 10 of the 2020 FCNYS.
The formula for calculating occupancy load factors is relatively straightforward: Occupancy Load Factor = Usable Floor Area / Occupiable Floor Area. Where: Occupancy Load Factor is the ratio of usable floor area to occupiable floor area, expressed as a decimal or percentage.
Feb 28, 2024 · Simply input the required parameters into the calculator, such as the total area of the space and the applicable occupancy load factor, and hit the “Calculate” button. The calculator will then provide you with the occupancy load. Formula. The formula to calculate occupancy load factor is:
