One of the largest hinged crest-gate dams of its kind in the country is under construction in the Salt River in Tempe, Ariz.
Also one of the largest hydraulically operated steel-gate dams in the country, each gate on the $45-million project is 106 ft wide, 17 ft tall and weighs close to 260,000 lb, says Stewart Vaghti, senior project manager at Gannett Fleming Inc. Gannett Fleming is the engineering consultant and construction manager on the project, with PCL Construction as the prime contractor for owner, city of Tempe.