A single contractor can build the shell, using readily available materials. With three shifts, construction can continue on a 24-hour basis. The chart below gives approximate prices for various sizes of Crenosphere Domes. 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.