Edificios de Viviendas y Oficinas en la Manzana 6. Commisioning entity : Zaragoza Alta Velocidad S.A. Competition project : july 2007 _ First Prize. Project of Building Concession : november 2007. Site area : 5.827 m2. Built-up-area : 43.000 m2. Volume : 148.000 m3. Building costs : 65.000.000 euro.