A beautiful and current example of our work is the widening of the Juliana Canal between Berg and Obbicht. The canal is being widened over a length of about 3 kilometers.
This complex section of the canal will receive a new water inhibiting bottom layer and bottom protection. In the process, the eastern bank and adjacent dike must be partially relocated. A project in which we use our various areas of expertise, such as our knowledge of dredging, soil protection and dry earthwork. We are deploying both wet equipment (including crane and hopper barges) and dry equipment (including dumpers and hydraulic cranes).
Another example of our versatility is our contribution to the Selective Extraction IJmuiden (SOIJ) There we are collaborating on the construction of a salt dam. The salt dam will allow excess saltwater from the North Sea Canal to flow back into the sea.
As Van den Herik, we took care of the hydraulic engineering part using both wet and dry equipment. We dredged to a depth of as much as 23 meters, removed old stone deposits and installed new bottom protection. Part of this soil protection was installed at a depth of 23 meters. Real precision work that we successfully carried out thanks to detailed design, controlled execution and extensive monitoring by our survey department.
A unique piece of craftsmanship.
When the salt dam is completed, the salt water will flow through an opening at a depth of between -16 and -23 meters NAP. To keep the bottom around the salt dam in place, Van den Herik is installing 25 ha of bottom protection after dredging. We are using 13 mattresses, the largest of which is 125 meters long and 30 meters wide. The mattresses are made on land and then placed on the bottom.
