In areas used for display of equipment, booths, or similar uses, aisles shall be provided as follows:
1. Areas containing less than 5,000 square feet of usable floor space shall be provided with 6 feet wide aisles arranged so as not to exceed the distance of travel requirements of this section.
2. Areas containing 5,000 to 30,000 square feet of usable floor space shall be provided with 8 feet wide aisles arranged so as to not exceed the distance of travel requirements of this section.
3. Areas containing more than 30,000 square feet of usable floor space shall be provided with 10 feet wide aisles arranged so as to not exceed the distance of travel requirements of this section.
4. Aisles that are provided for the convenience of persons in attendance and are not required for exit purposes may be reduced below the required aisle width by 2 feet.