Design of Excavation Systems

Excavation systems are used to minimize the excavation area, to keep the sides of deep excavations stable, and to ensure that movements will not cause damage to neighboring structures or to utilities in the surrounding ground. The excavation support system may also be designed to resist groundwater pressure, building loads, construction traffic, roadways, railroads, and many other types of surcharge loads; we do all this after a special inspection of the building.

The best type of excavation support for a particular project depends on a number of factors, including soil conditions, required stiffness, and whether or not a groundwater cut-off is required.

Our Excavation support systems include soldier piles and lagging, soil nailing, secant/tangent piles, deep soil mix walls, and sheet pile walls. Lateral support for the excavation system is provided by tiebacks, soil nails, braces, or by designing the vertical elements of the shoring to the cantilever.