Hollow pit elevator section and installation details that includes a detailed view of Compact base, Concrete cleaning, Armature support wedges ³ 5 cm, Concrete of rough surface concrete, Expansion joint: porexpan, Thermal insulation (3cm), Solera, Mallazo solera, Wait for wall, Armed wall, Arranged running shoes, Corrida shoes interrupted by pit lift, Waterproof sheet, Geotextile, Base mortar (3cm) for paving, Steam barrier and much more of elevator details.