1028.4.1 Width or capacity.
BC § 1028.4.1
The required capacity of egress courts shall be determined as specified in Section 1005, but the minimum width shall be not less than 44 inches (1117.6 mm), except as specified herein. Egress courts serving Group R-3 and U occupancies shall be not less than 36 inches (914.4 mm) in width. The required capacity and width of egress courts shall be unobstructed to a height of 7 feet 6 inches (2286 mm). Exception: Encroachments complying with Section 1005.7. Where an egress court exceeds the minimum required width and the width of such egress court is then reduced along the path of exit travel, the reduction in width shall be gradual. The transition in width shall be affected by a guard not less than 36 inches (914.4 mm) in height and shall not create an angle of more than 30 degrees (0.52 rad) with respect to the axis of the egress court along the path of egress travel. The width of the egress court shall not be less than the required capacity.
