This estimated price includes the shell, ring beam and footing only. Does not include interior finish. Actual capacity varies greatly depending on seating configuration. This table is for Crenospheres up to 600 feet diameter, approximately the size of the Astro Dome in Houston, Texas. However, Crenospheres may be built as large as 1000 feet.
Domes create the best assembly occupancies that can be had.
There's no better shape than round. With dome technology, we don't have to accept the limitations of traditional architecture. Designed as a field house, a Crenosphere with a diameter of 400' or more can comfortably accommodate several activities, each with its own space, plus removable or permanent spectator seating. Now it's possible. For example, in one Crenosphere you can include an artificial grass field for football or soccer, a hard floor for tennis or basketball, and a running track along its inside perimeter.