location of subsurface utilities such as water, gas, sewer, electrical, and communication lines. Perform ground penetrating... radar (GPR) surveys to evaluate subsurface conditions, including locating voids, underground storage tanks (UST), utilities...
, and construction activities. Conduct utility locates using EM and GPR equipment to identify and mark the location of subsurface... to evaluate subsurface conditions, including locating voids, underground storage tanks (UST), utilities, and other subsurface...