Par. 1. - In addition to the exits previously described there shall be one exit from each side of each gallery, balcony, and main floor of auditorium, at least five feet wide, leading to exterior balconies not less than four feet wide and twenty feet long on each side of the auditorium. From such balconies there shall be staircases extending to the ground level, which may be counterweighted, with risers of not over eight and one half inches and treads of not less than nine and one half inches, inclusive of nosing.

The aggregate width of these emergency stairs shall be not less than ten inches for every one hundred people served thereby, no single stairs being less than thirty inches wide.

Par. 2. - Where all such stairs are in an interior court, each run shall be covered by a light awning of iron.

Par. 3. - Nothing herein shall prohibit the building of emergency stairs and exits inside the walls of the building, provided that they are surrounded by a fireproof partition not less than four inches thick separating the exits and stairways from the audience room or auditorium.

[1921, c. 60, sect. 8.]