TECHNICAL SPECIFICATIONS Owner: USTA National Tennis Center IncorporatedArchitect: Matthew L. RossettiGen. Contractor: Hunt Construction GroupCapacity: 14,000 seatsDescription: the Louis Armstrong Stadium, in the USTA Billie Jean King National Tennis Center, is composed of two major elements: the fixed building (about 90 m x 100 m) and the retractable roof which sits above the steel superstructure (at a height of 30 m) for a total weight of approx. 3,000 t, and which includes built-up sections and commercial profiles.