Question $2$: $(16$ marks$)$

For the following structure, calculate the factored design forces $($maximum moment, shear and axial force$)$ in members of the ABCD frame.

Assumptions:

Live Load: $2$ kPa

Wind Load: $15$ kN at the west direction and is applied at C

No Snow and No Earthquake

Floor: Reinforced concrete slab, thickness: $200$ mm $($Concrete density: $\backslash (24\backslash$mathrm$\{$kN$\}/\backslash$mathrm$\{$m$\}^\{3\}\backslash ))$

Assume All Beams and Columns: W$250$x$73$

Assume Bracing: only one brace and single angle of L$76$x$76$x$4\mathrm{.}8$