The appraisal of the general subsurface conditions by analysis of information gained by such methods as geological and geophysical surveys, in-situ testing, sampling, visual inspection, laboratory testing of samples of the subsurface materials, and ground
French: recherche sur place
German: Untersuchung der Baustelle
Spanish: reconocimientos en obra
Italian: indagine in sito
Portuguese: estudo no local
Dutch: bouwplaatsonderzoek