Elbe Fairway Deepening: Two new underwater storage areas successfully completed at ”Medemrinne“ and ”Neufelder Sand“
HWG member Machulez KG coordinated the large scale logistics project at the port of Cuxhaven
Cuxhaven, 20 October 2019 – In the course of the deepening of the Elbe fairway to improve navigability for ever growing ship sizes, a total of around 1,200,000 tons of underwater construction stones were built into the “Medemrinne” and “Neufelder Sand” underwater deposit areas (UDAs) between March and October. Machulez KG, a member of the Cuxhaven Port Association (HWG), coordinated the logistics requirements between the underwater construction companies, the quarry and the locally responsible institutions. Machulez provided its logistics network and portside infrastructure and acted as a base port within the the first construction phase of the Elbe deepening project.
The stone mixture was required for the completion of respective central underwater dams within the UDAs in the Elbe estuary, so that the river sediment quantities excavated in a later phase could be stored there and not washed back into the Elbe or the North Sea.
“The biggest challenge of the project was to coordinate the multiple parallel handling of all ships involved in the project as well as the related pre-carriages and on-carriages. We were able to do this without any waiting times," explained the Machulez project team.
Already through a foresighted planning phase and synchronized interfaces for all parties involved in the supply chain, the complex logistics project at the port of Cuxhaven could be successfully implemented.
The supplier consortium consisted of a Norwegian quarry, underwater construction specialists and various locally responsible institutions. In particular the knowledge of the extensive specificationsand quality requirements of the rock as well as the nautical-technical experience were of major importance for the assessment of the realization.
The Hansakai site in Cuxhaven, which has proven its worth for more than 70 years, was used as the construction site base port. With the new 50 metre wide RoRo heavy-duty ramp and the established and versatile port handling equipment it is very well suited for the mobilization and demob of waterway construction vessels. In addition, the port facility at Steubenhöft was used as a transshipment terminal.
From March to September 2019, the more than 1 million tons of underwater construction stones arrived in Cuxhaven in more than 40 ship arrivals from Norway and were delivered to the two underwater construction sites in two independent logistics cycles, each with three construction site ships.
Thanks to the gantry cranes on board the delivering vessels, board-to-board transshipment was possible. The logistics chain was ensured by installation barges, folding barges, pontoons and tugs, the water construction companies van den Herik and Jan de Nul.
This project phase of the Elbe dredging was successfully completed at the end of September.. According to the Federal Ministry of Transport and Digital Infrastructure, the deepening of the Elbe fairway should be completed by mid-2021.
Über die HWG
Die Hafenwirtschaftsgemeinschaft Cuxhaven e.V. ist ein Zusammenschluss Cuxhavener Unternehmen, Institutionen und Privatpersonen mit dem Ziel, den Hafenstandort an der Mündung der Elbe zu vermarkten und weiterentwickeln. Zudem setzt sich die HWG für die Positionierung Cuxhavens als bedeutenden Hafenstandort für die Offshore-Windenergie in Deutschland ein. Aktuelle Neuigkeiten der HWG gibt es auf der Homepage, bei LinkedIn und Twitter.
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