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Project Description:

SR 500 and St Johns Intersection

Vancouver, Washington

Columbia West provided geotechnical engineering design, analysis, and support for construction of MSE retaining structures, shoring towers, soldier pile walls, and bearing capacity. Specialized laboratory testing was conducted to determine soil shear strength parameters for use in structural and geotechnical design. Shoring towers were designed to support the weight of the large bridge girders during construction. Columbia West also provided concrete testing support for early strength concrete and special inspection services.

Skills Needed:

Geotechnical engineering design