RCC HYDRO
The dual plant setup shows an original plant from 2003, which served on the McAlpine Lock & Dam in Louisville, Ky. (see Concrete Products, January 2005). The plant to the right is an all-new model fabricated by Plant Outfitters to match the original plant (no longer in production by the manufacturer). Each plant was fit with dry flake ice day tank and batcher, and a new Sicoma 7-cu.-yd., twin- shaft multipurpose mixer. Note the skid mounting atop quadrated sea container design.
Currently, two major milestone U.S. roller compacted concrete (RCC) flood control dam construction projects are nearing com- pletion. In the first of a two-part report, we focus on the Portugués Dam being con- structed by the U.S. Army Corps of Engi- neers (Antilles) District in Jacksonville, Fla. Next month's Concrete Products will de-
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scribe a RCC hydro project by the San Diego County Water Authority, with work nearing completion in Lakeside, Calif., on the San Vicente Dam Raise. These projects mark the largest RCC hydro projects undertaken in the United States since the Taum Sauk Reservoir in southeastern Missouri was completed in 2009.
IN THE EAST
The Portugués Dam is located northwest of the city of Ponce, Puerto Rico, and is the first arch dam in the in the United States constructed with RCC. The U.S. Army Corps of Engineers and the U.S. Bureau of Recla- mation, together with the project sponsor, the Puerto Rico Department of Natural and
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