Technical assistance service for the drafting of the necessary studies for the contracting of the public works concession for the construction, conservation and exploitation of the AS-12 road: Navia-Alto del Acebo through the general conditioning of the Navia-Boal and Boal-Grandas de Salime and the adaptation of the section: Grandas de Salime-Alto del Acebo
Technical assistance service for the drafting of the necessary studies for the contracting of the public works concession for the construction, conservation and exploitation of the AS-12 road: Navia-Alto del Acebo through the general conditioning of the Navia-Boal and Boal-Grandas de Salime and the adaptation of the section: Grandas de Salime-Alto del Acebo.