... Number of Exploration Points and Depth of Exploration (Modified after Sabatini, etal., 2002)ApplicationMinimum Number of ExplorationPoints and Location of ExplorationPointsMinimum Depth of ... methods of exploration, such as SPT, CPT, etc. to establishstratification of the subsurface materials, the profile of the top of bedrock and bedrock quality, depth togroundwater, limits of types of ... andtransverse substrata profile at areas of concernsuch as at structure foundation locations andadjacent earthwork locations, and to investigateany adjacent geologic hazards that could affect...