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