Geotechnical

Geotechnical Drilling Services

Cascade offers a full range of geotechnical drilling services for subsurface site investigation and placement of data collection instruments. Regardless of the lithology or location, Cascade has the right equipment, experience, and specialized expertise to do the job.

With our diverse drilling fleet and experienced crews, even the most difficult conditions can be overcome. Cascade offers conventional and sonic drilling technologies, including track and truck mounted units and limited access rigs for tight spaces, low overhead conditions, and over-water work, allowing us to access almost any drill site.

 

Site Investigation

Cascade performs both large and small scale subsurface site investigations across the United States. Our diverse fleet of drilling rigs is suited for any terrain or subsurface condition.

We offer the best in:

  • Standard penetration testing (SPT’s)
  • Soil sampling
  • Rock coring
  • Permeability and pressure meter testing

 

Instrumentation

Our crews have extensive experience with the installation of data collection instruments, including:

  • Piezometers
  • Inclinometers
  • Extensometers
  • Tensiometers

 

Heavy Infrastructure Support

From dams to levees, bridges to tunnels—Cascade provides specialty applications in support of heavy infrastructure projects. Our full-time EHS staff and experienced management team has earned Cascade access to the most heavily regulated sites, including state and federal projects. We offer services like:

  • Dewatering system installation
  • Micropiles
  • Grouting support
    • Grout curtain installation
    • Jet grout
  • Confirmation borings
  • Drain installation
    • Vertical drain installation
    • Sand drain installation
  • Cutoff wall
  • Freeze wall

 

Geotechnical Drilling Technologies

 

Geotechnical Drilling Applications

  • Roadways
  • Dams
  • Bridges
  • Tunnels
  • Levees
  • Building design
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