Date post: | 29-Dec-2015 |
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Alkali Creek Road Slope Stabilization and Stream Relocation
The project scope changed after major rainfall caused slope failure jeopardizing safety and
undermining the roadway.
Careful coordination and consideration and of structural alternatives led to cost savings and generated a project meeting client and public
needs.
Stream Relocation Project Scope
Road Widening and Improved Sight Distance Hydrology and Hydraulics Slope Stabilization and Flattening Erosion Control Landscaping Wetland Delineation and Mitigation Cultural Resources Inventory and Data Recovery PermittingAlkali Creek Relocation and Slope Stabilization ACEC Category J: Small Projects
Final Design
Stream Realignment Slope Flattening Hydraulic Modeling
Rock Buttress Landscape Design Wetland Restoration
Alkali Creek Relocation and Slope Stabilization ACEC Category J: Small Projects
Primary Technical Challenges
Constructability in Confined Area Overly Steep Slopes Shallow Bedrock and Dewatering Maintaining Traffic Throughout Construction 12-inch Water Main and Gas Main Right-of-Way Availability No Floodplain Impacts Avoiding Environmental Impacts 100-year Flood Event in Consecutive Years Protecting Wetlands & Salvaged Hydric SoilAlkali Creek Relocation and Slope Stabilization ACEC Category J: Small Projects