Geotechnical Engineering

  • Subsurface exploration

  • Soil and foundation engineering

  • Dam & levee safety review and design

  • Quarry reclamation

  • Rock mechanics engineering

  • Slope stability analysis

  • Groundwater and subsurface drainage

  • Liquefaction potential and settlement

  • Piles and piers

  • Retaining walls

  • Shoring design parameters

  • Ground improvement

  • Seismic response analysis

  • Earthquake engineering

  • Settlement analysis

  • Expansive soil

  • Pavement design and maintenance

  • Airport pavement design

Geology and Geologic Engineering

  • Geologic feasibility studies

  • Landslide evaluation and remediation

  • Fault investigations

  • Geologic hazards evaluations

  • Field mapping

  • Quarry resources evaluation

  • SMARA reclamation plans

Field Exploration and Testing

  • Becker hammer drilling

  • Cone penetration testing (CPT)

  • Double ring infiltrometer testing

  • Down hole hammer drilling

  • Hollow stem/solid flight auger drilling

  • Infiltration/percolation testing

  • Mud rotary drilling

  • Rock coring

  • Seismic refraction surveys

  • Sonic drilling

  • Test pits

Laboratory Testing

  • CCRL, AMRL certified

  • Soil characterization

  • Soil and Rock strength testing

  • AC Mix designs

  • R-Value and CBR testing

  • Soil consolidation

  • Triaxial compression shear strength

  • Direct shear

  • Lime and cement soil mixtures

  • Soil permeability

  • Concrete compression

  • Masonry grout and mortar compression

  • Rock and aggregate quality testing

Construction Monitoring

  • Earthwork observation and testing

  • Field density testing

  • Cut & fill slope construction

  • Subdrain installation

  • Special Inspection of reinforced and prestressed concrete, anchor bolts, structural steel welding and bolting

  • Batch plant inspection

  • Fill export/import testing/evaluation

  • Floor level surveys

  • Moisture check building pads

  • Moisture cells for floors

  • NOA earthwork monitoring

  • Pile and Pier installation

  • Retaining wall construction

  • Pavement construction

  • Footing excavation observation

  • Rip-rap installation