The Graduation Thesis shows the process of structural analysis and design of key elements of the steel structure. The building has a rectangular floor shape, dimensions of 12.10 m and 32.20 m. Building height is 9.50 m. Construction is a two storey facility. On the ground floor is planed production and storage unit, on the first floor there would be offices. The project is designed in accordance with the valid European standards Eurocodes and related Slovenian national annex. Design of structure for earthquake resistance is shown in two ways, constructions with low energy dissipation and constructions with ability of energy dissipation. In Thesis is also shown design of four typical connections. The facade and roof is made of fire resistant panels. Dimensioning of the foundations is not included in the Thesis.