Mru/Lca - Project Works For The Construction Of The New Collector Of Treated Waste Water In The Purification Station Of The Industrial Sector Estácio De Mercaderies Up To The Ebre River (Phase I), And Works Of The Project Of Construction Of The New Collector Of Treated Waste Water In The Purification Station Of The Industrial Sector Estácio De Mercaderies Up To The River Ebro (Phase Ii), In The Municipal Area Of ​​L'Aldea.