Modern office building offering 5,500 sq. M of office space on four floors. Elevation object in the system façade curtain-shaped optimizing lighting in office spaces: from the north and west in the fully glazed, on the other facades opaque stripes under the window to reduce the access of light which reduces air conditioning costs. The windows and facade of the highest thermal and acoustic insulation. Openable windows to increase the comfort of employees, zoning and automatic dimming with presence detection, common areas equipped with LED luminaires.