Aisle Requirements

AISLE WIDTH

Where fixed seats are not used [read: in the Frederick Theatre], the chairs or seats shall be fastened together in groups of 4 or more. There shall be not more than 12 seats in a row between aisles, nor more than 6 seats in a row which has an aisle on one side only.
All seats, chairs and benches shall be placed not less than 32 inches back to back measured horizontally, except that this requirement does not apply where fixed seats have already been installed.
Loose chairs or seats shall not be used unless a special permit is secured from the department. (WI Chapter SPS 377.08)

Required to have one-foot candle along pathways
No wall aisle shall be less than 3 feet wide and no other straight aisle shall be less than 3 feet 6 inches wide except that where fixed seats were originally installed, the above dimensions may be reduced 6 inches. (WI Chapter SPS 377.09)