Sub-soil Investigations

Fraser Thomas’s Geotechnical team have extensive experience with sub-soil investigation and analysis for residential, commercial, industrial and multi-storey building foundations and site development. The purpose of the investigation is to determine the characteristics if the soil at a particular location.


Typically the process follows the below steps:

  • Collection of soil samples from the field
  • Conducting all field tests for determining the strength and compressibility characteristics of the soil
  • Study of ground water level conditions and collection of water samples for chemical analysis
  • Geophysical exploration if necessary
  • Testing in the laboratory of all samples of soil, rock, and water
  • Preparation of drawings and charts
  • Analysis of the results of the tests
  • Preparation of report
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