Exit. An “exit” is a means of egress from a building or structure including outside exits, vertical exits, horizontal exits and exit connections as herein defined.
Vertical Exit. A “vertical exit” is a means of exit used for ascension or descension between two or more levels including stairways, smokeproof towers, ramps, escalators and fire escapes.
“Horizontal exit” means a protected opening through a two-hour fire partition through or over or around a fire wall or a bridge connecting two buildings.
“Outside exit” means an exit from the building to a public way, to an open area leading to a public way, or to an enclosed fire-resistive passage leading to a public way.
“Exit connections” means and includes doorways, aisles, corridors, foyers, lobbies and other horizontal means of exit leading to a vertical exit, a horizontal exit or an outside exit.
“Flight” means a series of steps between successive landings or between a landing and a floor.
“Landing” means a platform between two flights of stairs.
“Newel post” means an upright post at the end of a stair railing.
“Ramp” means an inclined passageway connecting two levels.
“Riser” means the vertical distance of a step between two successive treads or between a tread and a landing or floor.
“Stairways” means one or more flights of stairs with connecting landings.
“Enclosed stairway” means a stairway separated by fire-resistive partitions from the rest of the building.
“Exterior stairway” means a stairway on the outside of a building or structure.
“Interior stairway” means a stairway within a building or structure.
“Tread” means the horizontal distance between two successive risers in a flight.
(Prior code § 67-2)