Condor is a leader in the geotechnical/geological evaluation and design of small tunnel projects, including over 100 wine cave projects in the Napa, Sonoma, Lake, Mendocino, Central Coast, and Sierra-Central Valley regions.

Condor's staff has over 20 years of experience in geologic investigations, construction, and repairs of tunnels. This experience includes tunnel feasibility studies, evaluating geotechnical foundation, slope and tunneling conditions, tunnel liner and portal design, construction management and materials testing. 

• Project Feasibility Studies
• Design Services
• Tunnels and Portals
• Construction Management
• Field Engineering
• Quality Assurance
• Materials Testing
• Working with
  Specialty Consultants
• Failure Analysis and Repair Design