Hydro Excavators are used to safely unearth various utilities. The hydro excavation process virtually eliminates the dangerous and costly destruction/damage resulting from of hand/mechanical digging such as of gas, telephone, water, pipes lines. The process involves using a high pressure water jet to cut the ground while using vacuum and air flow to lift the loosened soil.
Smith Industries is a North American leader in design and manufacture of Hydrovac Trucks. These units are available in various sizes to suit your needs.