For existing structures the minimum width is 28 inches.
Emergency exit door size requirements.
The osha exit route requirements 1910 36 g 2 state that the minimum width of any way of exit access shall in no case be less than 28 inches.
Doors must swing in the direction of exit travel.
Osha does not require the use of no exit.
However most occupancies require additional width based upon the capacity of exit route requirements.
Stairways which are not used as an exit or emergency according to 1910 24 d may have a minimum stair width of 22 inches.
No exit sign is needed where any door passage or stairway that is neither an exit nor a way of exit access and that is located or arranged so that it is likely to be mistaken for an exit.
There are also additional requirements where the door is the final exit point of a building.
The minimum width permitted for a passageway used as an exit access is according to 1910 37 g 2 28 inches.
Many use a push bar system that will open the door when pressed down.
Inches provided that wheelchair use is not allowed in the room.
Door swing and arrangement a door in a means of egress should be side hinged or pivoted swinging.
Objects that project into the exit must not reduce its width.
The width of an exit route must be sufficient to accommodate the maximum permitted occupant load of each floor served by the exit route.
The door should open in the direction of evacuation.
If there is a fire in the area where occupants are they are already being exposed to smoke fire and heat.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
There should be no locks or catches.
The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.
The same requirements as above will apply to a fire exit door.
The nfpa emergency exit door requirements code states there is a maximum travel distance allowed to find an exit.
29 cfr 1910 36 g 3 objects that project into the exit route must not reduce the width of the exit route to less than the minimum width requirements for exit routes.
However guidance is provided in nfpa life safety code 101 section 7 10 8 3 1.
1910 36 d 3 an exit route door may be locked from the inside only in mental penal or correctional facilities and then only if supervisory personnel are continuously on duty and the employer has a plan to.
Leading to an exit or exit discharge the width of the exit and exit discharge must be at least equal to the width of the exit access.
Exit route doors must be free of any device or alarm that could restrict emergency use of the exit route if the device or alarm fails.
