In the elementary school egress example, what is the capacity of the door to the stair enclosure component?

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Multiple Choice

In the elementary school egress example, what is the capacity of the door to the stair enclosure component?

The capacity of a door in egress calculations is determined by how much traffic can move through that doorway, which hinges on the door’s clear width and a standard throughput rate used in these scenarios. In this elementary school egress example, the door to the stair enclosure has a clear width of 32 inches. The standard rate used here is about five people per minute for every inch of clear width. Multiply 32 inches by 5, and you get 160 people per minute. That bottleneck through the door sets the capacity for that component, so the door can handle up to 160 occupants per minute. The other numbers would require a wider door or a higher throughput assumption, which isn’t the case in this example.

The capacity of a door in egress calculations is determined by how much traffic can move through that doorway, which hinges on the door’s clear width and a standard throughput rate used in these scenarios. In this elementary school egress example, the door to the stair enclosure has a clear width of 32 inches. The standard rate used here is about five people per minute for every inch of clear width. Multiply 32 inches by 5, and you get 160 people per minute. That bottleneck through the door sets the capacity for that component, so the door can handle up to 160 occupants per minute. The other numbers would require a wider door or a higher throughput assumption, which isn’t the case in this example.

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