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Unformatted text preview: r any special knowledge or effort: Except, that this requirement shall not apply to exterior exit
doors in a Group E or F Occupancy if there is a conspicuous, readily visible and durable sign on or
adjacent to the door, stating that the door is to remain unlocked during business hours. The locking
device must by of a type that will readily be distinguishable as locked. Flush bolts or surface bolts are
(3) Width and Height. Every required exit doorway shall be of a size as to permit the
installation of a door not less than 900 millimeters in width and not less than 2.00 meters in height.
When installed in exit doorways, exit doors shall be capable of opening at least 90 degrees and shall be
so mounted that the clear width of the exitway is not less than 700 millimeters. In computing the
required exit width the net dimension of the exitway shall be used.
(4) Door Leaf Width. No leaf of an exit door shall exceed 1.20 meters in width.
(5) Special Doors. Revolving, sliding, and overhead doors shall not be used as required
(6) Egress from Door. Every required exit door shall give immediate access to an approved
means of egress from the building.
(7) Change in Floor Level at Doors. Regardless of the occupant load there shall be a floor or
landing on each side of an exit door. The floor or landing shall be leveled with, or not more than 50
millimeters lower than the treshold of the doorway: Except, that in Group A and B Occupancies, a door
may open on the top step of a flight of stairs or an exterior landing provided the door does not swing
over the top step or exterior landing and landing is not more than 200 millimeters below the floor level.
(8) Door Identification. Glass doors shall conform to the requirements in Section 1805
Other exit doors shall be so marked that they are readily distinguishable from the adjacent construction.
(9) Additional Doors. When additional doors are provided for egress purposes, they shall
conform to all provisions in the following cases: Approved revolving doors having leaves which will
collapse under opposing pressures may be used in exit situations; provided; that such doors have a
minimum width if 2.00 meters or they are not used in occupancies where exits are required to be
equipped with panic hardware or at least one conforming exit door is located adjacent to each revolving
doors installed in a building and the revolving door shall not be considered to provide any exit width. (d) Corridors and Exterior Exit Balconies. The provisions herein shall apply to every corridor
and exterior exit balcony serving as a required exit for an occupant load of more than ten.
(1) Width. Every corridor or exit balcony shall not be less than 1.10 meters in width.
(2) Projections. The required width of corridors and exterior exit balconies shall be
unobstructed: Except, that trim handrails, and doors when fully opened shall not reduce the required
width by more than 200 millimeters. Doors in any position shall not red...
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This note was uploaded on 09/22/2013 for the course ARIDBE AR taught by Professor Any during the Fall '12 term at Mapúa Institute of Technology.
- Fall '12