To determine occupant load and exit requirements, floor plans shall be submitted to the Chief for the proposed occupancy. Such plans shall be drawn to scale and shall show all seats, tables, furnishings, equipment, and all aisles, cross aisles, and exit doorways in accordance with this chapter. An approved floor plan for the occupancy shall be on the premises and available for inspection by the Chief. The approval date on the floor plan shall coincide with the approval date on the posted occupant load sign.