Any idea what the roof structure is made of? I'm wondering if it can withstand the flying debris (Toyotas, Chevys and the odd refridgerator) which will certainly strike it.
Reinforced concrete.
Total Land Area: (building, garages, and grounds) 52 acres
Height: 273 feet (82.3 meters)
Diameter of Dome: 680 feet (210 meters)
Area of Roof: 9.7 acres
Interior Space: 125,000,000 cubic feet
Total square footage: 269,000 sq. ft. (82,342 sq. meters)
Main Arena: 166,180 sq. ft. (50,685 sq. meters)
Convention Concourse: 76,711 sq. ft. (8,261 sq. meters)
Concrete: 169,000 cubic yards (131,820 cubic meters)
Structural Steel: 20,000 tons (18,200 metric tons)
Air Conditioning: 9,000 tons (8,190 metric tons)
Meeting Rooms (200 Loge Level): Four 19,000 square foot
quadrant rooms (each divisible into 6 individual rooms, 28 smaller reception rooms)
Rest rooms: 102 (51 women's & 51 men's)
Air Conditioning: 9,000 tons
Lighting: 19,507 fixtures utilizing 27,869 lamps
Electrical Wiring: 400 miles (640 kilometers), including fiber optic lines
Anodized Aluminum Siding: more than 550,000 sq. ft.
Escalators: 42
Elevators: 14 (9 passenger & 5 freight )
Maximum Seating Capacity: football 69,703, expanded football 72,003, arena concerts 20,000, basketball 55,675, baseball 63,525
Commerical trash bins, propane tanks ...