A typical floor plan for an office multi$-$storey steel frame building is given in Figure $1.$ All joints in

the steel frame are of simple connections. The following are details of the structural elements:

Floor : Concrete slab $150mm$ thick with ceramic tiles finishing

Wall : Half$-$brick thick brick wall $3\mathrm{.}5m$ high sits around the external perimeter

$($shaded brown$)$

Design beams AG$,$ DE$,$ HJ$,$ and CJ in accordance to Limit State Design based on BS EN $1993.$

At the end of your design, make a technical design summary.

The technical design summary should include the following information:

All loads considered and their breakdown.

Beams that have been designed and adopted sizes

Comments on size adopted.