Geotechnical Investigation: A Step-by-Step Guide Aussie HydroVac provides geotechnical investigation services to help you understand the subsurface conditions of your property. Our team of experts can conduct a variety of tests, including test pits, borings, and in-situ testing, to assess the soil and rock properties. This information can be used to design foundations, drainage systems, and other infrastructure. Visit Us :- https://www.aussiehydrovac.com.au/geotechnical-investigation