This unit of competency specifies the outcomes required to locate underground services in surveying practice. The unit covers using specialised surveying equipment and electronic locating and geophysics methods, such as electro-magnetic detecting and ground penetrating radar, to identify and interpret targets on lines of subterranean assets. The unit also covers project management tasks relating to scheduling, recording, monitoring and reporting work progress, and planning for risks and contingencies. The unit requires the ability to perform surveying calculations and data reductions, read and interpret Dial Before You Dig (DBYD) plans, and to output data using equipment software. The unit supports those who work under limited supervision in a surveying team.Licensing, legislative, regulatory or certification requirements apply to this unit in some States. This unit may also require adherence to AS5488 Classification of Subsurface Utility Information (SUI). Relevant state and territory regulatory authorities should be consulted to confirm those requirements.