It can be used as reference like contention of beach wall – etc.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
Detail piece type of coffin, section, unscaled, Previously pressed, Min, of the, section, Esc., Loose sand medium, rest, side view, front view, elevation, Min, unscaled, Pvc shirt, dead, tensor, cofferdam, section, Esc., Compact sand, minimum, garden, filling