DDC offer a comprehensive range of underground surveys including the provision for Filter drain condition surveys by ground penetrating radar. Surveys are carried out using a vehicle mounted GPR undertaking non-intrusive GPR surveys of the sub-surface filter drain alongside video capture of surface condition and GPS mapping.

These elements are presented together in an interactive software, survey data shall be round tripped for upload to DDMS.

Features: Maximum surveying speed of 20kph.  Reach of 3.5m from the carriageway edge.  Surveys both verge and central reservation.  Works under 12c TM (mobile lane closures). Can be used in all TM scenarios.

Integrated office facilities ensure accurate survey.