Corps awards contract for Isabella Dam stone processing, testing

Santos Excavation Inc. has been awarded a US$823,075 contract to perform stone processing and aggregate testing at the site of the Isabella Dam on California’s Kern River.

The U.S. Army Corps of Engineers’ Sacramento District issued a solicitation for the work in February.

Per the award, Santos Excavation will sort weathered and unweathered stone for plant feed stockpiles, process stone into aggregate for use in testing and evaluations for filter and concrete aggregate, provide stone for stone degradation testing, and perform testing of stone, concrete aggregate and filter aggregate. Santos Excavation is to provide an on-site field laboratory.

Built in 1953 as a flood control and water conservation structure, Isabella Dam is being studied for remedial actions to prevent possible failure during earthquakes. Isabella Dam is the site of the 11.95-MW Isabella project (No. 8377). The Corps took bids last year for geophysical surveying and for development of a hydraulic model of Isabella Dam.

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Michael Harris formerly was Editor for

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