City Surveys has a separate unit who are specialized in underground utility survey . Underground utility survey are done using latest Electro Magnetic Detection devices and groundpenetration radar..

Measurements are carried out from the surface. Survey work is carried out in accordance with ourcompany health and safety policy and safe system of working documents. Where access viaman-holes is required, City Surveys carry out Confined Spaces Working Surveys.

In certain cases, highly specialized equipment may be required. Where non-metallic services(e.g. plastic pipes etc) or underground void areas cannot be detected by the C.A.T., City Surveyswould use a more sophisticated Ground Penetrating Radar to detect these elements.