Design steps:- Drop dimensions : Hence provide a drop size of 2.2x2.2m Estimate the depth of flat slabs:- From clauses 14.2.5 & 3.3.2.2(b) 24 LONGER SPAN SHORTER SPAN L1=6.6m, L2=5.6m Column strip 0.25L2=1.4 m ≤0.25L1=1.65m Middle strip 5.6-(1.4+1.4)=2.8m L2=6.6m, L1=5.6m Column strip 0.25L1=1.4 m Adopt 1.4m Middle strip 6.6-(1.4+1.4)=3.8m Longer span Shorter span Shall not be less than L/3=6.6/3 2.2M Shall not be less than L/3=5.6/3 1.86M Fy(MPA) Exteriors panels Interior panels 300 Ln/36 Ln/40 400 Ln/32 Ln/35