rn012 Watertightness repair of Gouët viaducts in Saint-Brieuc; Tranched market; - firm section: Upstream work; - optional section: Downstream structure

the works covered by this contract concern the repair of the watertightness of the Gouet viaducts (525m long each) which carry the RN 12 to Pr57+532 and allows the crossing of the Gouet valley, between Saint-Brieuc and Plérin in the Côtes d'Armor department (22). The market will have one firm and one optional slice