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Emergency exit in Universitetet metro station in Stockholm. An emergency exit in a building or other structure is a special exit used during emergencies such as fires.The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.
A fire escape is a special kind of emergency exit, usually mounted to the outside of a building—occasionally inside, but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible.
ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits. It uses colours and principles set out in ISO 3864 for these symbols, and is intended to provide "safety information that relies as little as possible on the use of ...
Evacuation slide used in an emergency drill. An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would be unable to step down from the door uninjured (Federal Aviation Administration requires slides on all ...
The dimensions of a stair, in particular the rise height and going of the steps, should remain the same along the stairs. [14] The following stair dimensions are important: The rise height or rise of each step is measured from the top of one tread to the next. It is not the physical height of the riser; the latter excludes the thickness of the ...
[29] [13] Furthermore, the tower contained fire-suppression and communications systems for emergency use, which were powered by diesel generators. [ 151 ] [ 167 ] If there was a fire in one section of the building, the building's smoke-detection system would close off the fresh-air intake openings in that section, discharging smoke outdoors.
There are three modes of transportation up the arch: two sets of 1,076-step emergency stairs (one per leg), [116] a 12-passenger elevator to the 372-foot (113 m) height, [18] and a tram in each leg. [11] Each tram is a chain of eight cylindrical, five-seat compartments [117] with glass doors. [118]
At airports and other large, multistory buildings, escape chairs can be used to assist persons with reduced mobility during emergency evacuation. A stair chair has caterpillar tracks for moving a person down the stairs. Operating a stair chair over a flat surface is identical to operating a wheelchair: the operator simply pushes it in front of ...