The article presents the process of defining the Puv of Bologna, the feasibility study and their relationship with the local Structure Plan. It also describes the plan for the conversion of the former Sani Barrack within the broader set of interventions for Bolognina. The summary outlines the main critical issues and the new business and applied research opportunities to face such urban problems. In addition to the complexity of planning and managerial skills required, in this case emerge contrasts between the extraordinariness of conversions and ordinary urban planning, the difficulties to intercept and lead private interests towards the transformation of military areas and the regeneration of parts of the city.
Keywords: Ex-military areas; program unit value; Bologna