The Underground Detective provides services such as underground utility locating for all pre-excavation and site planning needs as well as ground fault locating. Their underground pipe inspection services use small-diameter pipe inspection camera systems to view, record, and locate problems in underground sanitary and storm sewers, conduits, and any other inaccessible place. The underground map utility has the capability of coordinating with local surveyors to pick up all markings and then provide an as-built plan, or both a hard copy and a computer CAD file of underground utilities. Their vacuum excavation technology uses kinetic energy in a high velocity air stream to penetrate, expand, and break up soil for underground utility excavation. In addition, they also provide underground water leak detectors which make use of highly sensitive acoustic listening equipment in conjunction with helium to locate water leaks in fire mains, potable water, chiller systems, sprinkler systems, swimming pools, and concrete slab floors. Some of the other services offered by Underground Detective include ground penetrating radar to quickly locate and detect underground water leaks and sewer problems as well as backflow testing devices to protect the drinking water from coming into contact with possible contaminants.