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Interstate Drive Development, Dumfries, Prince William County, VA

WDP performed a comprehensive geotechnical study for this 122,750 square foot flex office building located in a known marine clay environment.  An approximate 500 foot long retaining wall, ranging in height from two (2) to twenty-three (23) feet in height, was constructed.  In addition, a proposed 2:1 slope on the south end of the project required the installation of forty (40) foot caissons for stabilization due to a buried marine clay seam.  WDP then also provided the required Special Inspections for the tilt-wall office building.