Open invitation to tender, deadline 18/05/2021, for the monitoring of bridges and tunnels and for detailed inspections of tunnels - 2021 campaign. Duration of the contract is 2 months. Contact Conseil departemental de l'Aveyron, Flavin, tel +33 565593420, email st.marches.admin@aveyron.fr. For further tender information please click here and here. Ref.n. 20S0175. 16/21.