- Standard excavator construction with depths up to 80’ below grade, using extended booms and specialty buckets.
- Clam-shell and hydrofraise construction for deeper trench depths.
- Construction utilizing continuous-trenching equipment, in conditions that are void of subsurface obstructions. This method is more commonly referred to as “soil mixing”.
- Construction of trenches that are backfilled with filtering media used to remediate contaminated groundwater, via a “passive flow-thru” method.