Structure Type: Hangar Dimensions: Length: $120$ m Width: $14$ m Eave Height: $2\mathrm{.}6$ m Rafter angle: $10$ degrees. Assume the following loads: Wind speed: $130$ km$/$hr Roof live load: $20$ kg$/$m$^2$ Weight of cladding: $10$ kg$/$m$^2$ Collateral load: $1\mathrm{.}5$ kg$/$m$^2$ Snow load: $20$ kg$/$m$^2$ Use IPE steel sections for design Assume spacing between columns is $6$ m