Except for open-air, roofed or unroofed areas which are part
of the Class "A" or "B" premises and not at ground level which comply
with all applicable safety and building codes, the outdoor venue shall
have a ground area of fire-resistant material and shall be surrounded
by an attractive wall, fence or barrier at least four feet high, constructed
of wood, brick, wrought iron, composite or vinyl and shall contain
the required fire exits. The gate(s) or exit(s) shall be of the same
height as that of the fence, wall or barrier and shall swing to egress,
shall be equipped with proper hardware, and shall swing free and clear
of public sidewalks. The fence, wall or barrier shall comply with
all regulations regarding vision clearance and setback pursuant to
the Unified Development Code.