GEOTECHNICAL COnsulting & ENGINEERING

  • Feasibility/Planning
    • Site suitability evaluation
    • Project feasibility studies
    • Preliminary subsurface investigation
  • Design Development
    • Subsurface exploration
    • Laboratory testing of earth materials
    • Foundation engineering
    • Embankment design
    • Erosion control design
    • Slope stability analyses
    • Earth dam and levee design
    • Fill material evaluation
    • Groundwater hydrology
    • Design of permanent dewatering system
    • Pavement design
    • Machine foundation analysis
    • Seismic engineering
    • Tunnel and shaft analysis
    • Specification preparation or review
  • Construction
    • Earthwork monitoring
    • Design and installation of instrumentation
    • Review of excavation bracing systems
    • Foundation installation monitoring
    • Pile driving monitoring
    • Evaluation of materials
  • Post-Construction
    • Failure investigation
    • Foundation underpinning consultation
    • Expert testimony
    • Landslide remediation
    • Instrumentation program development
  • Landfill Services
    • Design and construction certification for landfill caps and liners
    • Hydrogeologic studies and groundwater control
    • Landfill closure
  • Mining Reclamation Design

Geotechnical Design

  • Design Recommendations for:
    • Shallow, deep, ring and mat foundation systems
    • Retaining walls
    • Pipelines, tunnels and other buried structures
    • Roadways and pavements
  • Design of shoring or tieback retention systems
  • Design and evaluation of earth structures
  • Earthwork recommendations and specifications
  • Soil improvement requirements
  • Review of construction specifications
  • Groundwater modeling and control
  • Ground improvement/modification techniques and specifications

Geotechnical Analysis

  • Cone penetration test (CPT) data processing
  • Standard penetration test (SPT) data processing
  • Geophysical surveys
  • Lateral displacements of foundations
  • Slope stability with external loads
  • Settlement analysis
  • Earthquake-induced slope deformation
  • Lateral load capacity of caissons and piles
  • Axial load capacities of piles and caissons
  • Settlements of piles and pile groups
  • Retaining walls
  • Helical piers and sheet piles
  • Underpinning using pin piles and push piers
  • Vibro compactions and stone columns
  • Groundwater flow modeling

Sinkhole Assessment & Repair

  • Historical data review
  • Structural survey
  • Geophysical survey
    • Ground penetrating radar (GPR) and/or
    • Electrical resistivity imaging (ERI)
  • Confirmatory soil test borings (SPTs)
  • Supplemental Exploration Techniques (CPTs)
  • Sinkhole remediation and repair
    • Excavation and throat plugging
    • Compaction grouting
    • Underpinning using helical piers
    • Underpinning using pin piles
  • Sinkhole monitoring