2021 edition
FLIGHT. A continuous run of rectangular treads, winders or combination thereof from one landing to another.
. . .
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXIT ACCESS. See “Exit access stairway.”
STAIRWAY, EXTERIOR EXIT. See “Exterior exit stairway.”
STAIRWAY, INTERIOR EXIT. See “Interior exit stairway.”
STAIRWAY, SCISSOR. See “Scissor stairway.”
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2018 edition
FLIGHT. A continuous run of rectangular treads, winders or combination thereof from one landing to another.
. . .
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXIT ACCESS. See “Exit access stairway.”
STAIRWAY, EXTERIOR EXIT. See “Exterior exit stairway.”
STAIRWAY, INTERIOR EXIT. See “Interior exit stairway.”
STAIRWAY, SCISSOR. See “Scissor stairway.”
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2015 edition
FLIGHT. A continuous run of rectangular treads, winders or combination thereof from one landing to another.
. . .
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXIT ACCESS. See “Exit access stairway.”
STAIRWAY, EXTERIOR EXIT. See “Exterior exit stairway.”
STAIRWAY, INTERIOR EXIT. See “Interior exit stairway.”
STAIRWAY, SCISSOR. See “Scissor stairway.”
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2012 edition
FLIGHT. A continuous run of rectangular treads, winders or combination thereof from one landing to another.
. . .
STAIR, SCISSOR. See “Scissor stairway.”
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXIT ACCESS. See “Exit access stairway.”
STAIRWAY, EXTERIOR EXIT. See “Exterior exit stairway.”
STAIRWAY, INTERIOR EXIT. See “Interior exit stairway.”
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2009 edition
FLIGHT. A continuous run of rectangular treads, winders or combination thereof from one landing to another.
. . .
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXTERIOR. A stairway that is open on at least one side, except for required structural columns, beams, handrails and guards. The adjoining open areas shall be either yards, courts or public ways. The other sides of the exterior stairway need not be open.
STAIRWAY, INTERIOR. A stairway not meeting the definition of an exterior stairway
STAIRWAY, SPIRAL. A stairway having a closed circular
form in its plan view with uniform section-shaped treads
attached to and radiating from a minimum-diameter supporting
column.
2006 edition
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXTERIOR. A stairway that is open on at least one side, except for required structural columns, beams, hand- rails and guards. The adjoining open areas shall be either yards, courts or public ways. The other sides of the exterior stairway need not be open.
STAIRWAY, INTERIOR. A stairway not meeting the definition of an exterior stairway.
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2006 IBC §1002
2003 edition
SCISSOR STAIR. Two interlocking stairways providing two separate paths of egress located within one stairwell enclosure.
. . . .
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXTERIOR. A stairway that is open on at least one side, except for required structural columns, beams, handrails and guards. The adjoining open areas shall be either yards, courts or public ways. The other sides of the exterior stairway need not be open.
STAIRWAY, INTERIOR. A stairway not meeting the definition of an exterior stairway.
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating from a minimum-diameter supporting column.
2003 IBC §1002
2000 edition
STAIR. A change in elevation, consisting of one or more risers.
STAIRWAY. One or more flights of stairs, either exterior or interior, with the necessary landings and platforms connecting them, to form a continuous and uninterrupted passage from one level to another.
STAIRWAY, EXTERIOR. A stairway that is open on at least one side, except for required structural columns, beams, handrails, and guards. The adjoining open areas shall be either yards, courts or public ways. The other sides of the exterior stairway need not be open.
STAIRWAY, INTERIOR. A stairway not meeting the definition of an exterior stairway.
STAIRWAY, SPIRAL. A stairway having a closed circular form in its plan view with uniform section-shaped treads attached to and radiating about a minimum-diameter supporting column.
2000 IBC § 1002