# How do you calculate egress?

## How do you calculate egress?

Egress Width Factors 1 requires that “the capacity, in inches, of means of egress stairways shall be calculated by multiplying the occupant load served by such stairway by a means of egress capacity factor of 0.3 inch per occupant”.

How are egress windows measured?

Multiply the opening of your window (its width with its height), then convert the result to square feet. Example: You have a window 15 “wide by 36.2” high (or vice versa). Multiply 15 “x 36.2”, giving 543 “, which equals 3.77 ft2, the minimum area to meet.

What are the basic requirements for means of egress?

However, there are some basic requirements that apply to most, if not all, means of egress evaluations. These basic requirements are listed below and are meant to help facility managers and designers recognize that a room or space is obviously over capacity, or that a second means of egress will be necessary.

### How is means of egress determined in IBC 1004?

1004.1Design occupant load. In determining means of egress requirements, the number of occupants for whom means of egress facilities are provided shall be determined in accordance with this section. 1004.2Cumulative occupant loads.

Why was means of egress codified in OSHA?

Means of Egress (Exit Routes) which is codified as Subpart E of OSHA’s General Industry Standards (29 CFR 1910), was selected as the first plain English project because these rules were not technologically complex and their purpose — to protect employees in case of fire or other emergencies — was familiar.

Can a person egress through an adjacent room?

However, in some cases such as an auditorium where people exit through a lobby, egress through an adjacent room (the lobby) will be acceptable. If there are questions regarding egress through adjacent areas, they should be brought to EHS’s attention for further evaluation.