FOUNDATIONS Retaining walls on the ground and foundation "shoes" of reinforced concrete. Waterproofing around the retaining walls STRUCTURE Earthquake-resistant structure of reinforced concrete built up in one direction complying with the rigorous EHE, EFHE, NCSE-94 standard. Staircases mounted on solid slabs of reinforced concrete with steps of concrete for rear-mounted lining. CONSTRUCTION In the plinth that corresponds with the house base, the closure of the facade was formed by an outside pane of stonework of half a foot of thickness; made of high quality sandy-coloured brick of 25*12*5 cm.