Geotechnical

  • Standard penetration tests (SPT) — Land & marine borings drilled & described
  • Rock core — Land & marine borings drilled & described
  • Gravity cores, vibracores & push cores — Obtain & describe
  • Cone penetrometer (CPT) — Determine strata & touch structures
  • Offshore wind parks — Map foundations & cable pathways
  • Sample tests — Grain size, moisture content, strength, chemistry & biological
  • Borehole logging — Acquired, interpret & integrate
  • Top of rock maps — Determine the top of rock for foundations & substrate
  • Diggability maps — Determine strength & rippability of rock strata
  • Contaminated sediments — Mapping & properties of silty sediments
  • Slope stability — Determine the properties of sand, boulder & clay slopes
  • Overburden — Measure thickness of sediment above tunnels & pipes
  • Seismic hazards — Monitor seismic vibrations
  • Differing site conditions — Compare the preconstruction conditions to the conditions encountered during construction
  • Sand surveys — Locate & characterize sand sources for coastal works