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A fire door is a door with a fire-resistance rating (sometimes referred to as a fire protection rating for closures) used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartments of a structure and to enable safe egress from a building or structure or ship.
An emergency exit's path usually ends in an outward-opening door with a crash bar with exit signs pointing to it. It is usually a door to an area outside of the building, but may also lead to an adjoining, fire-isolated structure with clear exits of its own.
A crash bar (also known as a panic exit device, panic bar, or bump bar) [1] [2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
Exit from the interior of a building to the fire escape may be provided by a fire exit door, but in most cases the only exit is through a window. When there is a door, it is often fitted with a fire alarm to prevent other uses of the fire escape, and to prevent unauthorized entry. As many fire escapes were built before the advent of electronic ...
A plate glass window, which could have been smashed for escape, was boarded up and unusable as an emergency exit. Other unlocked doors, like the ones in the Broadway Lounge, opened inwards, rendering them useless against the crush of people trying to escape. Fire officials would later testify that had the doors swung outwards, at least 300 ...
When people were able to pull the doors open enough to escape, some people were then wedged in the door opening as people continued to push on the door. Today, exit doors open outward, so that people trying to escape will tend to hold the doors open. There were no exit signs on fire-escape exits, and doors were concealed behind drapery. On the ...