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Ground Investigation & In-Situ Testing

Ground Investigation & In-Situ TestingDST engineers and drilling crews have comprehensive knowledge and significant experience in ground investigations.  We own a fleet of various types of drill rigs (CME 750, CME 55, CME 45 etc.), accessories and specialized in-situ testing equipment, such as a Cone Penetrometer with pore pressure and seismic measurements, Dilatometer, etc. and DST professionals are trained to interpret specialized in-situ testing.  Our engineers apply advanced technology to determine the geotechnical parameters of soils and rocks.

DST specialists have carried out ground investigation projects for various types of developments such as highways and railways, ports and airports, mine developments, schools, commercial and housing developments.

It is our speciality to carry out, process, and interpret the following non-intrusive and intrusive ground investigations.

Non-Intrusive Investigation

  • Geophysical Survey
  • Walkover, drive over and fly over survey
  • Geological and outcrop mapping

Intrusive Investigation

  • Test pitting
  • Geotechnical Drilling
  • Bedrock coring and logging
  • Disturbed and undisturbed sampling
  • Sampling using piston sampler
  • Groundwater sampling
  • Asphalt coring
  • Concrete coring
  • In-situ testing
    • Standard Penetration Test (SPT)
    • Field Vane Shear Test (FVT)
    • Dynamic Cone Testing (DCT)
    • Cone Penetrometer Testing with pore pressure measurement (CPTU)
    • Dilatometer Testing (DMT)
    • Field Falling head and Constant head hydraulic conductivity test
    • Slug Test
    • Aquifer Tests
    • Well Test
    • Packer Test
    • Plate Load Test
    • Static Pile Load Test
    • Field CBR Test
CME DrillingDrillingDrilling 2
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Community Events

Marketing Intern Farewell

For those of you at DST who I have not met, I am sorry that our paths never crossed. I have been working every Friday out of the Thunder Bay…


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DST at Algonquin College

On April 3rd, DST Consulting Engineers attended the Algonquin College  Professional Networking Event in Ottawa. The event gave students an opportunity to connect with environmental professionals and industry leaders from…


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Environmental Design with Youth Fusion

This past week, DST’s Kris Tuuttila has continued his mentorship through Youth Fusion/Fusion Jeunesse. As an environmental design mentor, Kris has provided guidance to students at Ogden Community Public School…


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Introducing our new Building Sciences Division

We are excited to announce our newest division: Building Sciences. This new service line includes a variety of building envelope and structural engineering services. Under the leadership and guidance of…


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Thunder Bay vs Office Flood

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Blasting Videos

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Our qualified blasting engineers design more than just rock-cuts and mines. They take down structures! Reinforced concrete buildings, smokestacks, steel tanks…

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