Contract notice: The works to be carried out are those necessary to project about 15 km of interceptor collector, for the collection of waste water from the Balsera, Trevas, Gamones, Calcabo, San Feliz, Los Pontones, Llar de Carcedo, Carcedo, Brieves, Cortina , Ore, El Postign, Muas, Muas de Abajo, Pescareo, Villanueva and San Martn de Santiago, including secondary and tertiary networks, up to the level of domiciliary connections, in those nuclei that do not have a sanitation network.