The purpose of a specific site investigation is to confirm the ground conditions beneath the site and to identify any problems that may be associated with the stability of the site or the subsoils with respect to the proposed development. This will usually involve the drilling of the boreholes or the digging of test pits with samples and testing carried out. The Geotechnical report or scala penetrometer test will present the findings of the site investigation and recommend the appropriate foundations and stabilising measures, retaining walls etc. for specific projects.