Contract Of Deconstruction Works Of The Estate On Carrer De La Farigola No. 3 At The Aa5 Of The Mpgm In The District Of Vallcarca In The Area Located Around The Avenue And The Viaduct Of Vallcarca And The Carerrs Of Gustavo Adolfo Becquer And La Farigola. Gràcia District. Barcelona, With Sustainable Public Procurement Measures