Calculating Occupant Load How to Calculate Occupant Load? With that said, let us take a look at the process involved by which the design occupant load is determined. In chapter 10 the occupant load is used to design the means of egress system however other chapters of the code can use this number to determine other required features within a building or structure.įor example the design occupant load is also used to determine the required number of plumbing fixtures, as well as automatic sprinkler systems and fire alarm detection systems. The code limits the number of occupants within a building or space to ensure a sufficient amount of movement is provided for the occupant in case of a fire.
It is calculated by applying the requirements of Section 1004 which we will get into. This load is the number for which the means of egress system is designed to. The design occupant load is basically the number of people intended to occupy a building or portion of a building at any one time. Design Occupant Load What is the Design Occupant Load? In order to determine the means of egress requirements, the number of occupants (design occupant load) are calculated per Section 1004 of the International Building Code. The means of egress system for a building or structure provides a way of travel for occupants to escape while avoiding a fire.Ī Means of Egress system has 3 parts to it: (1) Exit Access, (2) Exit, (3) Exit Discharge.Ī fundamental component to properly designing a means of egress system is being able to correctly determine the design Occupant Load. The primary purpose of this is to establish a method of protecting people in buildings from the presence of a fire. This calculator is based on the 2018 version of the IBC©.Ĭhapter 10 of the International Building Code (IBC) provides minimum requirements for designing the Means of Egress system in all buildings and structures. The user of this training material assumes all risks as to its accuracy. The number generated is based on information provided by the user. Anyone that wants an official ruling should contact their local Building Department for such a determination. The number generated does not reflect an official occupant load. This calculator is intended for educational purposes only.
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