Concrete slab construction details with column cad drawing that includes a detailed view of capacity of load of the ground at level of foundation of shoes, ðt = 0.86 KG / cm2, foundation floors, e = 0.05, concrete-cement mixture, f'c = 80 kg / cm2, false floors, e = 0.10, cement-concrete mixture, f'c = 140 kg / cm2 (on compacted soil), Surpluses, cement-concrete mix + 40% medium stone, f'c = 140 kg / cm2, concrete structural, elements of confinement of masonry walls of hollow blocks, Minimum lengths of overlap (unless indicated) and much more of constructive details.