The cable-suspended roof consists of two symmetrical halves separated from each other and from the cantilevered roof by means of expansion joints. Layout isolation pads, (provided by contractor), according to the design and layout. Insert legs of duct support into bases and attach with 2-1/2” bolt and 1/2” nut. Space. Then there is the roof of Allegiant Stadium, a structure that looks like someone asked engineers what would happen if they tried to combine a spaceship canopy with a giant drumhead. By the time the Raiders landed in Vegas, the city finally had a venue whose roof could handle a hot August afternoon. Ullevi is an outdoor stadium built for the football World Cup hosted by Sweden in 1958. From the stadium perspective, the. roof structures designed by the applicant with Cable-Stay Technologycan be found in the following United States design patents: D260,036, issued July 28, 1981; D270,570, issued September 13, 1983; D 274,841, issued July 24, 1984; D274,842, issued July 24, 1984; D274,843, issued July 24, 1984, and. In this video, we'll explain the key methods used to manage extensive cable setups during large-scale concert. more How Do Stadium Events Manage Thousands Of Stage Cables? Have you ever wondered how massive stadium events keep thousands of stage cables organized and safe? In this video, we'll.