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Posted 9/30/2013

Release no. 13-072

Robert Kidd

SACRAMENTO, Calif. -- The U.S. Army Corps of Engineers Sacramento District awarded a three-year, $6.8 million construction contract to upgrade tainter gates at New Hogan Dam, the Corps facility near Valley Springs.

Abide International of Sonoma was awarded the $6,899,878 contract Sept. 27 and off-site work is expected to begin this fall.

This project will strengthen the three tainter gates used to release water from the dam and will improve water discharge efficiency for the future. Each of the three steel gates is 38 feet wide and 37 feet high.

“In order to minimize impact on New Hogan Lake water users, on-site work on the tainter gates will only take place during dry times of the year,” said Zeffy Ruvalcaba, Sacramento District project manager. “The contractor must maximize on-site work while water levels are low and accomplish the bulk of their fabrication work off-site.”

September through December is the typical low-water season for New Hogan and low-rain years can extend the construction window to begin as early as June. “Dry weather like we’ve had lately would be a good time for us to get this project accomplished,” said Ruvalcaba.

New Hogan Dam is a rock-filled structure with a separate concrete spillway built in the early 1960s. It provides flood control, water conservation and recreation for the region.


dam safety New Hogan Lake retrofit sacramento district tainter gates U.S. Army Corps of Engineers