Subsurface Investigations

Soil Borings

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

  • Retaining Walls
  • Flexible & Rigid Pavement Design
  • Soils Related Construction Procedures
  • Slope Stability
  • Groundwater Control & Drainage
  • Soil Permeability
  • Hard Rock Tunneling
  • Field Engineering
  • Roadway & Pavement Design
  • Shallow & Deep Foundation Systems