1026.6 - Exterior ramps and stairway protection
Exterior exit ramps and stairways shall be separated from the interior of the building as required in Section 1022.1. Openings shall be limited to those necessary for egress from normally occupied spaces.
Exceptions:
1. Separation from the interior of the
building is not required for occupancies, other than those in Group R-1 or R-2,
in buildings that are no more than two stories above grade
plane where a level of exit discharge serving such
occupancies is the first story above grade plane.
2. Separation from the interior of the
building is not required where the exterior ramp or
stairway is served by an exterior ramp or
balcony that connects two remote exterior
stairways or other approved exits, with a
perimeter that is not less than 50 percent open. To be considered open, the
opening shall be a minimum of 50 percent of the height of the enclosing wall,
with the top of the openings no less than 7 feet (2134 mm) above the top of the
balcony.
3. Separation from the
interior of the building is not required for an exterior ramp
or stairway located in a building or structure that is
permitted to have unenclosed interior
stairways in accordance with Section 1022.1.
4. Separation from the interior of the
building is not required for exterior ramps or
stairways connected to open-ended corridors,
provided that Items 4.1 through 4.4 are met:
4.1. The building, including
corridors,
ramps and stairs,
shall be equipped throughout with an automatic sprinkler
system in accordance with Section 903.3.1.1 or 903.3.1.2.
4.2. The open-ended
corridors comply with Section 1018.
4.3. The open-ended
corridors are connected on each end to an
exterior
exit
ramp or
stairway complying with Section 1026.
4.4. At any location in an open-ended
corridor where a change of direction exceeding 45 degrees
(0.79 rad) occurs, a clear opening of not less than 35 square feet (3.3
m2) or an exterior
ramp or stairway shall be provided. Where
clear openings are provided, they shall be located so as to minimize the
accumulation of smoke or toxic gases.
Notes
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