Columbia River Channel Improvements Project




Saint Helens, OR and Clark County, WA

Project Specifications: 

  • Agency: U.S. Army Corps of Engineers, Portland District
  • Contract Price: $56,000,000
  • Completion: November 2010
  • Key Elements: Drilling, Blasting, Rock/Consolidated Materials Dredging, Upland Disposal, Dewatering, Erosion Control, Bridge Installation, Road Construction.


Three million cubic yards of blasting, excavation/dredging in 12 months. Construction of upland containment facility which included roadways and bridges, maintenance of traffic for public use, dewatering of roadways, slope protection, erosion control, turbidity monitoring, endangered species monitoring.