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Drainage Investigation

We offer varying levels of drainage investigation, from basic to advanced.  

  • Basic drainage investigation includes lifting manhole covers and obtaining invert levels, pipe sizes and direction of flow.  

  • Advanced drainage investigation provides additional information through the utilization of drainage dyes, tracing sondes, detectors and CCTV cameras if required. This method of investigation can be used to trace the route of drainage from it's source through to it's intersection with the public drainage runs.

Click here to view a sample drawing.

Underground Service 


We are able to trace and map underground services, adding the information either to our completed survey drawing or to that of another company.  Some clients request that we obtain service records from the various statutory authorities and combine these records with our survey drawing.  We are able to do this using digitising methods with an accuracy dictated by the quality and scale of the supplied information.