Subsurface Investigations

  • Shallow & Deep Foundation Systems

  • Retaining Walls
  • Flexible & Rigid Pavement Design
  • Soils Related Construction Procedures
  • Slope Stability
  • Groundwater Control & Drainage
  • Soil Permeability
  • Hard Rock Tunneling
  • Field Engineering
  • Roadway & Transportation Studies & Pavement Design
  • Drilling

Contact us:  Information Request

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TTL determines the best and most economical design and construction recommendation solutions when sites contain poor soil conditions.  All tests are in accordance with recognized standards.