There is an approved document guidance available from the builders hardware industry federation bhif hardware for fire and escape doors.
Fire code emergency exit doors.
Code of federal regulations cfr 1910 33 39.
An opening into an exit must be protected by a self closing fire door that remains closed or automatically closes in an emergency upon the sounding of a fire alarm or employee alarm system.
Issue 4 2012 detailing the requirements for any fixtures and fittings used with fire doors and fire.
An exit is permitted to have only those openings necessary to allow access to the exit from occupied areas of the workplace or to the exit discharge.
Nfpa 101b code for means of egress for buildings and structures shall be known as the means of egress code is cited as such and shall be referred to herein as this code or the code 1 1 2 danger to life from fire.
Employees are taught that opening the exit door from the inside by using the emergency panic hardware without first using a code card or key will cause an alarm to sound locally and possibly at.
This code addresses those egress features necessary to minimize danger to life from fire and smoke crowd pressures and movement of individuals and groups.
Together these principles underlie specific fire code requirements.
For more detail on exit routes and related standards see exit routes emergency action plans and fire prevention plans in title 29 of the code of federal regulations cfr 1910 33 39.
And osha directive cpl 2 1 037 compliance policy for emergency action plans and fire prevention plans.
If there is a fire in the area where occupants are they are already being exposed to smoke fire and heat.
Unrestricted egress any door that is used as an exit from a building or fire separation door must allow egress by an occupant using normal force without special steps that could restrict egress or cause the occupant confusion.
The nfpa emergency exit door requirements code states there is a maximum travel distance allowed to find an exit.