Services Offered

  • GPR
    • This is a remote sensing technique that is primarily implemented in Phase I operations prior to invasive and destructive methods. Allows project managers the ability to see the spatial relationships of subsurface targets in 3-D through interpretation of geophysical data that leads to a more informed decision in site characterization and planning.

  • Soil Characterizations
    • Near surface characterizations of soils in terms of Atterberg Limits, Munsell Classification, and grain size / textural maturity.

    • Shallow geologic structure and soil stratigraphy are regularly required for civil and environmental engineering design projects. A GPR reflection survey in the 25 to 100 MHz frequencies are best suited for the detection of large scale (5m to 50m depth) structures; whereas higher frequencies (200 to 500MHz) are most suited for high resolution and shallow (2m to 5m depth) requirements.

  • Equipment in Support of Services
    • TeaCo uses Sensors & Software's pe-Pro 1000 technology in the 100mHz to 200mHz frequency in an unshielded configuration, and a shielded 250MHz frequency.

    • Novatel Differential Global Positioning System (DGPS) used in conjunction with GPR. GPS is a satellite based positioning system that provides precise location measurements in terms of x, y, and z coordinates. A GPS in combination with a Ground Penetrating Radar (GPR) unit can tie the radar data to fixed geographic coordinates. This combination of GPR with DGPS, collects values in Universal Transverse Mercator (UTM) coordinates for delineation of subsurface target locations. UTM is a type of mapping coordinate system and is easily converted to other format styles. The GPS data then allows the survey results to be exported into either a Geographic Information System (GIS) system to produce deliverable product for the client.

    • Sensors & Softwares Ekko Mapper, Ekko View, and Voxler geophysical software to quantify 3-D subsurface geophysical data sets.