Unformatted text preview: very landing shall be a dimension measured in the direction of travel equal
to the width of the stairway. Such dimension need not exceed 1.20 meters when the stairs has a straight
Landings when provided shall not be reduced in width by more than 100 millimeters by a door when
(6) Basement Stairways. Where a basement stairway and stairway to an upper storey
terminate in the same exit enclosure, an approved barrier shall be provided to prevent persons from
continuing on to the basements. Directional exit signs shall be provided as specified in this Code.
(7) Distance Between Landings. There shall be not more than 3.60 meters vertical distance
(8) Handrails. Stairways shall be handrails on each side and every stairway required to be
more than 3.00 meters in width shall be provided with not less than one intermediate handrail for each
3.00 meters of required width. Intermediate handrails shall be spaced approximately equal within the
entire width of the stairway. Handrails shall be placed not less than 800 millimeters nor more than 900
millimeters above the nosing of treads, and ends of handrails shall be returned or shall terminate in
newel posts or safety terminals: Except, in the following cases: Stairways 1.10 meters or less in width
and stairways serving one individual dwelling unit in Group A or B Occupancies may have one handrail,
except that such stairway, open on one or both, sides shall have handrails provided on the open side or
side: or stairways having less than four risers need not have handrails.
(9) Exterior Stairway Protection. All openings in the exterior wall below or within 3.00
meters, measured horizontally, of an exterior exit stairway serving a building over two storeys in height
shall be protected by a self-closing fire assembly having a three-fourths hour fire-resistive rating:
Except, that openings may be unprotected when two separated exterior stairways serve an exterior exit
(10a) Stairways Construction-Interior. Interior stairways shall be constructed as specified in
this Code. Where there is enclosed usable space under the stairs the wall and soffits of the enclosed
space shall be protected on the enclosed side as required for one-hour fire resistive construction.
(10b) Stairway Construction-Exterior. Exterior stairways shall be of incombustible material:
Except, that on Type III buildings which do not exceed two storeys in height, which are located in less
fire-restrictive Fire Zones, as well as on Type I buildings which may be of wood not less than 50
millimeters in nominal thickness. Exterior stairs shall be protected as required for exterior walls due to
location on property as specified in this Code. Exterior stairways shall not project into an area where
openings are required to be protected. Where there is enclosed usable space under stairs, the walls and
soffits of the enclosed space shall be protected on the enclosed side as required for one-hour fireresistive construction...
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- Fall '12