Geological-geotechnical and geo-environmental investigations
- Geophysical surveys (electro resistivity, spontaneous potential, electromagnetic, GPR; magnetometry and gravimetry);
- Collection of undisturbed soil samples;
- Percussion drilling and Standard Penetration Test (SPT);
- Hollow stem auger, rotary and rotary-percussive drillings; and
- Bathymetric surveys.
