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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

Site Design by Jennergy
TRANSPAC MARINAS, INC.  |  PO Box 1169  |  Anacortes, WA 98221  |  360-293-8888
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