New Monolithic Dome Multipurpose Center at Avalon Avalon, Texas Multipurpose Center — This Monolithic Dome gymnasium and center has a diameter of 124 feet and a height of 37 feet that includes a 12-foot-high stemwall. Ready for ribbon cutting! — At the dome’s front, Avalon flew the U.S. and Texas flags and strung ribbon across the doors. Let there be light! — A synthetic glass block in the front foyer adds a decorative detail and allows plenty of light into the entire structure. Ticket please! — A spacious, welcoming front foyer includes concession stands and a ticket boot. Below budget and ahead of schedule — Avalon’s multipurpose center, with seating for 720, was completed $50,000 below budget and two months ahead of schedule. What’s the score? — The Avalon Eagles have a very visible score table. What’s up there? — Space behind the hanging ceiling conceals the HVAC system. Hanging scoreboard — A four-sided scoreboard seemingly hovers above the floor. It’s securely fastened to the hanging ceiling that improves the dome’s acoustics. Neat storage — Large lockers outline the perimeter of the facility’s four locker rooms.