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New Contracts Provide Multiple Support Systems
April 26, 2010

GeoStructures has secured several additional contracts for retaining walls and ground improvement in support of Virginia’s High Occupancy Toll (HOT) Lanes construction. The design-build contractor has completed work on more than one-third of its original contract to design and build sound walls, and it will proceed with construction of mechanically stabilized earth (MSE) walls, tieback retaining walls and ground improvement.

Through its EarthTec subsidiary, GeoStructures will design and supply MSE walls for several bridge abutment applications. In some areas where wall designs are in a cut situation, the company will provide permanent tieback retaining walls and/or post and panel cantilever walls. Its ground improvement division will install its Impact PierĀ® system to improve bearing capacity underneath MSE walls.

Touted by the Virginia Department of Transportation as the biggest enhancement to the Washington, D.C. beltway in more than 30 years, the 14-mile HOT Lanes project will replace more than $260 million in aging infrastructure, including more than 50 bridges and overpasses from the Springfield Interchange on I-495 to north of the Dulles Toll Road. To access the two new lanes in each direction, cars with fewer than three occupants can pay a toll, which will change according to traffic conditions in order to regulate demand and keep traffic moving. Buses, carpools (HOV-3), motorcycles and emergency vehicles will have free access.

GeoStructures is operating as a subcontractor to Fluor-Lane, LLC, the joint venture between Fluor Corporation and The Lane Construction Corporation that is the prime contractor. The $1.4 billion design-build project is set for completion in 2013.

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