Current Maintenance Works Of Bridges, Passageways, Footbridges, Tunnels, Maintenance Of Retaining Walls And Prevention Of Flood Effects - Drdp-Constanta - Lot 1- Motorway Section, Lot 2-Sdn Constanta, Lot 3-Sdn Tulcea, Lot 4- Sdn Calarasi, Lot 5 - Sdn Slobozia, Lot 6 - Sdn Fetesti - 4-Year Framework Agreement - Drdp Constanta