The U.S. Army Corps of Engineers has awarded a $71.9 million contract to Granite Construction Co. for dam safety construction at the Addicks and Barker dams.
The Corps Galveston District said in its tender that Granite Construction is to construct new outlet structures and cutoff walls at the pair of dams, which were built in Houston in 1929 and 1935 to protect the city from flooding.
Addicks and Barker underwent evaluation under the Corps’ Dam Safety Program, which expressed concern about their outlet gates, which allow outflow to Buffalo Bayou, and about the ends of the dams.
Work will including the construction of new outlet works structures for each dam, including intake towers, steel-lined conduits, parabolic chutes, stilting basins, cutoff walls and downstream filters. The work is expected to take 1,340 days to complete.
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