The emphasis of a good protocol lays in cleanliness and installation according to the proper design, the first will make sure that parts are not damaged, the second will make sure the system will not cause any unwanted effects such as noise or vibrations. When a strict protocol is not in place and followed, the risk of failure is very high. Installation and commissioning of the hydraulic system are very critical. Examples of choices to make are Open loop vs closed loop systems, different hydraulic pump types and quantity of pumps….etc.
Aspects that are of importance are capacity, components choice and design for “easy” and cost effective maintenance and repair. In the design phase components and configuration must be choosen in accordance with the application the dredge is used for. Needless to say the hydraulic system needs to be designed, installed and maintained in a proper manner. The reason for this is that most functions on a CSD are driven hydraulically, with exception to the dredge pump (in a conventional diesel direct driven CSD). In comparison with other marine vessels, cutter suction dredgers have a relative big hydraulic system installed in relation to the size of the vessel.
The saying goes that the pump is the “hart” of any dredger, but the same can be said about the hydraulic system in a cutter suction dredger as this is a carefully calibrated system that drives almost all dredge components used for dredge operation.
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