OA3019 - Roundabout at the entrance to the dock of the Port of Mertert

OA3019 - Turning area at the entrance to the dock of the Port of Mertert - Installation of a PU32 sheet pile curtain on about 115 ml including reinforced concrete crowning; - Realization of 56 piles of 90 cm diameter and connecting beams with the sheet pile curtain; - Realization of 7 dukes of alb with a diameter of 1000 mm and 23 m in height; - Realization of a Duke of Alba by assembling four PU32 sheet piles over a height of 23 m, equipped with bollards; - Realization of a by-pass between La Syre and the Moselle dock in reinforced concrete. - Supply and installation of two ladders; - Supply and installation of guardrails; - Realization of 2 thresholds in La Syre by a system of removable partitions in aluminium; - Carrying out bathymetric surveys. - Carrying out dredging works in the Dock