Geophysical GPR Surveys

Ground Penetrating Radar (GPR) is a versatile tool which can be used to meet a range of objectives:

  • Buried services and utilities, in particular drainage, culverts and plastic pipes
  • Changes in density relating to voiding or unconsolidated ground.
  • The presence of subsurface features such as obstructions, tanks, pile caps and building lines
  • Saturated ground conditions and wash associated with leaks
  • Graves, crypts, tombs, basements and cellars
  • Reinforcing and rebar in concrete slabs and concrete thicknesses

We use a range of GPR antennae in order to search for features at a variety of depths in order to best meet your needs  

  • Handheld GPR system 0-450mm (below ground level) 
  • Shallow antenna 0-1m  
  • Standard antenna 0.1-3m  
  • Deeper antenna 2-10m 
  • Dual frequency antenna  

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We also use GPR when carrying out PAS 128 and buried services / utility mapping surveys as a matter of course, examples below:  

GEOTEC GPR Example

Underground
Mapping

An example of a survey where we have several unidentified ground penetrating radar targets present, as well as confirmed buried services and utilities.

This tool also allows us to confirm the presence of metallic and conductive services that have already been detected through radio frequency detection / electro-magnetic locating (RFD / EML).

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Electromagnetic Surveys

ERT / Resistivity

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