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Volume 23 No. 28
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USTA Billie Jean King National Tennis Center renovation slideshow, by the numbers

Arthur Ashe Stadium Louis Armstrong Stadium

2.6 billion

Number of tennis balls that could fit within the bowl with the roof closed

94,500

Total area in square feet of the roof, the surface area of 7 Olympic-sized swimming pools

1 million

Weight in pounds of each retractable panel, including components such as mechanization system and fabric

14,250

Individual terra cotta louvers (to allow air flow through the upper part of the building while protecting the court from the rain and shading spectators from the sun)

236,600

Total area in square feet of the roof, the surface area of 17 Olympic-sized swimming pools

14,061

Seating capacity

23,771

Seating capacity

2,380

Aisle steps in the bowl (more than to the top of One World Trade)

600

Horsepower of the motors used to power the roof system, almost twice the amount in a V8 Hemi engine

124

Feet in height to the top of the roof

8

Columns supporting the entire roof, located at each corner of the octagon-shaped structure

120

Horsepower of the motors used to power the roof system

4

Number of scoreboards

3

Video display boards, 2 inside and 1 outside