Parker Dam, Arizona/California
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The 320 foot high Parker Dam is not the tallest dam in the world, but is considered to be the "deepest" because 235 feet of the structure is below the riverbed. The massive reservoir created by Parker Dam, Lake Havasu, holds 210 billions gallons of water. Located on the Arizona/California border, Lake Havasu is the water source for both the Central Arizona Project Aqueduct and the Colorado River Aqueduct, which supply the water for Phoenix, Tucson, and practically every city in the greater Los Angeles - San Diego area. This project involved abrasive blasting and painting of five 50 foot x 50 foot regulating lift gates. Abhe & Svoboda, Inc, operated a large floating bulkhead to de-water each regulating gate bay. SSPC Class 1A containments were erected utilizing a BEECHE platform under each gate and Etobicoke® system scaffolding up and down stream of each gate. The abrasive blast cleaning method used to prepare the steel surfaces was SSPC-SP 10, Near White Metal Blast with recyclable steel grit abrasive. Amerlock 400 and Amercoat 450 HS by Ameron Coatings was spray applied to all steel surfaces of the gates. Additionally, Abhe & Svoboda, Inc. removed and replaced gate seals, clamping bars, and other hardware. The gate roller train assemblies were also removed, refurbished and reinstalled. There were 27 contract modifications on this project, yet the work was completed 6 months ahead of schedule and without any injuries.
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