6164 subsoil level [n] [US]

constr. stat. (1. Existing ground or filled consolidated subsoil at the base of an excavated site for architectural or engineering construction. 2. In landscape construction, an existing ground or filled consolidated subsoil on which top soil, drainage or filter layer is laid; ►consolidated subgrade); syn. formation level [n] [UK];s subsuelo [m] (3) (En la construcción paisajística el suelo natural o artificial bajo la vegetación o la subbase bajo la capa de drenaje o filtrante; ►subsuelo estable); syn. terreno [m] de cimentación; f couche [f] de fondation (Sur un