An inflatable dam in downtown Tempe, Ariz., burst on July 20, emptying most of the contents of the 1-billion-gal Tempe Town Lake. No one was injured and no property was damaged in the resulting flood, which traveled down the normally dry Salt River through Phoenix. Peak flows were measured at 15,000 cu ft per second, equivalent to an average release during the area’s winter rainy season. Photo: Tony Blei Photography Eight rubber-coated fabric bladders retained 1 billion gal of water in Tempe. The two-mile lake was formed in 1999 using eight flexible, rubber-coated fabric tubes manufactured by Tokyo-based Bridgestone Industrial
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.