BRE DG411 PDF

This Digest describes the field techniques most commonly used during site investigations for low-rise buildings and provides guidance on how to select the appropriate method for a specific location. As part of the process of investigating ground conditions at a site, for example in order to ensure the adequate performance of foundations, it will often be necessary to carry out this kind of work. It should be preceded by a desk study (Digest 318), and a walk-over survey (Digest 322).