• Temporary and Permanent Excavation Support System Design
  • Design of Temporary Dewatering Systems
  • Design of Pile Load Test Reaction Systems
  • Underpinning Design
  • Slope Stabilization Design
  • Wave Equation Analysis of Piles (WEAP)
  • Preparation of Pile Design Submittals
  • Construction Vibration Monitoring
  • Geotechnical Instrumentation Installation and Monitoring


What We Do

Geotechnical Engineering
Geoenvironmental Engineering
Geothermal Energy
Contractor Support
Foundation Waterproofing


40+ Years Of Experience

Since 1976 McPhail Associates has been providing geotechnical engineering services to architects, owners, contractors, institutions and developers. Over the years our services have expanded to include geoenvironmental, geothermal energy and below-grade waterproofing consultation.

In addition, we offer a wide variety of contractor support services. We remain true to the vision of our founder, Robert E. McPhail, and continue to be creative, practical, respected problem solvers, always keeping our clients’ best interest and vision in mind.