Lets adopt fy=300Mpa d=6600/36=183.3mm for exterior d=6600/40=165mm taking effective depth 25mm overall depth D=185+25=210mm load calculations:- nominal densi ty of concrete (ρ=2400kg/m^3): -clauses 3.3.2.3 (Wd) dead load on slab 0.210*24=5.04kN/M^2 (WL)live load on slab =7.75kN/M^2 12.79KN/M^2 Check Wl/Wd 7.75/5.04=1.53 Total static moments for the spans:- Mo=Wu l2Ln^2/8 Longer span Mo=389.99KN-M Shorter span Mo=330KN-M 25