The building at hand is made up of several blocks, linked each other by appropriate technical joints: two of this blocks are intended for use as offices (12000 sq. m) and billets (5280 sq. m) for the Italian police: they are composed by six floors (seven, in a small section) with an underground car park (7800 sq. m) at the first level . The compound is completed by the one-floor building holding a car park inside and an open service area on the roof deck.