It is necessary that the Medical Emergency System (SEM) has infrastructures that allow it to give an effective and efficient response, both to daily activity and to the risks that arise, becoming the structure of health emergencies that guarantees the attention to the citizen and support to the health network 24h, 365 days a year._x000D_ These necessary infrastructures must allow to host their main services in a new headquarters located in L’Hospitalet de Llobregat, outside Barcelona city, but in a metropolitan area, in order to cover the needs of the entire territory. In this way, it is intended to ensure the management of the emergency in Catalonia and to have the necessary services to make it possible.