Water Supply

Serial Information: Civil Engineering—ASCE, 1984, Vol. 54, Issue 7, Pg. 40-41

Document Type: Feature article


The Foothills Project adds 125 mgd (5.5 m³/s) to the Denver area water treatment capacity, and saved approximately $1 million in energy costs in the first year of its operation. The $163 million project includes a diversion dam and reservoir, tunnel, water treatment plant and transmission conduit. The project's unique features include a double curvature thin arch dam. The double arch shape reduced the amount of concrete required to carry the reservoir water loads horizontally into the abutments. The volume of concrete required for this type of dam was less than half that of an equivalent concrete gravity dam. The dam includes a service and auxillary spillways.

Subject Headings: Arch dams | Gravity dams | Concrete dams | Spillways | Project management | Water treatment plants | Water supply | Water treatment | Denver | Colorado | United States

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