Drilling for Replacement of Bridge No. LAK-90-23.42 over Grand River, Lake County, Ohio  Geotech Engineering Services...              

Geotechnical Engineering:

PGI has over 15 years of extensive geotechnical experience involving
a wide variety of engineering projects throughout Ohio
and other States. Our geotechnical engineering group has completed subsurface exploration programs for more than 400 ODOT projects.  Our engineering staff is highly qualified to perform the following services.

Complete Subsurface Exploration

  • Site Reconnaissance and Planning
  • Red Flag Summary
  • Site Geology
  • Soil & Rock Sampling
  • Standard Penetration Test
  • Vane Shear Test
  • Groundwater Monitoring
  • Geotechnical Laboratory Testing
  • Soil/Rock Classification
  • Foundation Analysis
  • Bearing Capacity Analysis
  • Settlement Analysis
  • Slope Stability Analysis
  • Earth Pressure Calculations
  • Pavement Design Parameters
  • Driven Piles Recommendation
  • Drilled Shaft Recommendation
  • Lateral Load Capacity Analysis
  • Trench Excavation Stability
  • Earthwork Recommendation
  • Groundwater Management
  • Detailed Technical Report

Comprehensive Assessment Study

  • Borrow Soils Suitability
  • Site Hydrology Condition
  • Site Percolation Analysis
  • Pavement Study
  • Subgrade Evaluation
  • Slope Stability Failure
  • Mine Subsidence Study
  • Erosion Control Problem
  • Scour Depth Analysis
  • Earth Work Specification Review
  • Construction Sequence Review
  • Effective Dewatering Operations
  • Effective Soil Stabilization Technique


  • Monitoring Wells
  • Open Pipe Piezometers
  • Piezometer Sensors
  • Settlement Sensors
  • Settlement Plates
  • Inclinometers
  • Load Testing w/Sensors
  • Tie-Back Monitorings

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