Owner: Douglas County Public Utility District No. 1
Float Design: TRANSPAC MARINAS
Owner's Representative: Jacobs Engineering
Location: Douglas County, WA
Design Features:- Bidder-design, engineer, manufacture
- 21,000 sq. ft., 80,000-lb concrete and steel floats spanning the Columbia River's half-mile width
- Floats are anchored and tethered with 2-1/2 dia. steel wire rope
- Floats support a partially submersed shear panel wall
- System is designed to trap and deflect floating debris, shunting it from the face of Wells Dam
- Underwater gravity anchors in 100-ft. of water
- Anchors restrain massive combined loads from currents, winds, ice and mountains of timber debris
- Aggressive production schedule and early mobilization resulted in nearly $2,000,000 savings to the owner
Date Completed: 2009
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