The Coyote Dam Outlet Works Replacement Project: Hazard Reductionby David Edward Hook, Santa Clara Valley Water District, San Jose, United States,
Abstract: The Santa Clara Valley Water District's Coyote Dam faced three major concerns: siltation of the existing outlet; a fault that crosses the existing outlet pipe; and the dam toe and the downstream end of the outlet pipe were submerged in a plunge pool. A new outlet works combining a unique combination of features (including a tunnel with articulated joints at the fault crossing, sized to flow 1/3 full at the design flow) was utilized to resolve these problems.
Subject Headings: Dams | Water pipelines | Geological faults | Scour | Structural design | Pipe flow | Flow control
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