The design live load is $3 \ kn/m^2$ and FF load is $1.5 \ kn/m^2$. All external walls are 230 mm thick and internal walls are 150mm thick. Floor to floor height is 3.2 m. Grade of concrete is M20 and steel is Fe 415. All columns are 300mm x 300mm in size.

Design the following and draw neat sketches showing the reinforcement details.

i) Slab S1 and S2

ii) Beam B1-B2