Our services

GEOPHYSICAL EXPLORATION

GEG offers non-invasive subsurface investigation methods that complement traditional drilling — providing site-wide characterization at a fraction of the cost of dense boring programs:

  • Seismic Refraction Microtremor (ReMi) Survey — Vs30 determination for IBC seismic site classification
  • Multichannel Analysis of Surface Waves (MASW) — Shear wave velocity profiling
  • Ground Penetrating Radar (GPR) — Utility location, void detection, rebar scanning
  • Soil Resistivity Surveys — Grounding system design, corrosion assessment

Multichannel Analysis of Surface Waves (MASW) and Refraction Microtremor (ReMi)

MASW Field Setup
MASW Process
ReMi Results

Soil Resistivity Testing

Proper electrical grounding system design requires understanding how soil resistivity varies across a site and with depth. GEG provides detailed soil resistivity profiles used by electrical engineers to design effective grounding systems for:

  • Cellular and telecommunications towers
  • Electrical substations and transmission infrastructure
  • Water and broadcast towers
  • Elevator and building electrical systems
  • Solar and wind energy facilities

Soil resistivity data is also essential for corrosion engineers designing cathodic protection systems for buried pipelines, tanks, and structures.

Field Soil Resistivty Arra
Field Soil Resistivty Array