Articles in this issue
To assess the environmental benefits of an “idyllic” world without dredging, the impacts of dredging activities are compared to the impacts of other human and natural sources of sediment plumes.
Acknowledging the maximum effort put into safety and security, while working in an extraordinarily challenging environment, Van Oord Nigeria Ltd was presented with a company award for overall achievement in QHSE (quality, health, safety and the environment).
When the trials at the Port of Sudan to open a trench with explosives were unsuccessful, trenching equipment – a backhoe dredger with a rock bucket and a TSHD with a new generation of ripper-draghead – was brought in to accomplish the task.
The immediate displacement of the subsoil, and therefore the need for extra volumes of rock, can be accurately determined as long as sufficient geotechnical information on the seabed is available. Van Oord dredging and marine contractors has extensive experience in installing subsea rock by using flexible fallpipe techniques.