Foundation plan and structural sections for a reinforced concrete building. It includes detailed sections for isolated spread footings (Z-1 through Z-5), column elevations, and tie beam (Trabe de Liga) profiles. The CAD file provides reinforcement specifications for concrete walls, floor slabs with electrowelded mesh, and structural joints using polystyrene filler. Additional details show stair and ramp sections, pedestals, and column base connections. Planta de cimentación.