<p>Slab supported on tribe slab light structure cad drawing details that includes a detailed view of hollow block light 15 x 20 x 40cm with cement-sand mortar board 1: 4, 4∅ # 3 fy = 4200 kg / cm², concrete in slab compression layer, 5 cm. of thickness and in trabe f'c = 250 kg / cm², polystyrene vault (unicel) marca previ 1.27 x 0.70 x 0.16m, Electrowelded mesh 6 "x 6" / 10 x 10, pre-stressed joist of 13 cm cant mark previ and much more of concrete slab details.</p>