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2. Dredging process
The dredging process comprises three successive stages: excavation, transport and discharge or land disposal of materials.
It is possible for a single device to perform all three operations. On the contrary, sometimes three different pieces of equipment are required for extraction (dredger), transport (barges, hydraulic pipes) and discharge or disposal of the materials (dozer, elevator).
In addition, for certain special jobs on hard ground, it is necessary to loosen the material prior to extraction.
2.1 Dredging phase
This phase involves the excavation and extraction of sediment from the bottom beneath the water body. A special machine – the dredger – is used to excavate, pick up or move the sediment, either...
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Dredging process
Different types of dredging
Bibliography
Websites
Environmental experimentation ballastière d'Yville-sur-Seine https://www.haropaports.com/fr/rouen/ballastiere-dyville-sur-seine
Regulations
General provisions of the framework agreement: articles R. 2162-1 to 6.
Multi-award framework agreement (with purchase orders): article R. 2162-2 paragraph 2. https://www.legifrance.gouv.fr/affichCode.do;jsessionid=...
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