The St. Germain a hopper dredge owned by the French company STFMO was
supplied as new building project in 2001, at Damen Shipyards Gorinchem The
Netherlands.
The specific design of this vessel offers the possibility to
extract sand from the sea bottom and discharge it subsequently inland along the
riverside.
Passing low bridges on its way to unloading quay.
Hycos
produced the hydraulic installation and the dredging control system. The
hydraulic installation drives among other items;
The hydraulic installation consist a central power-pack with two adjustable
axial piston pumps each driven by a 30 Kw electric motor.The power-pack is
capable to provide the whole system with a continuous pressure of 250 Bar.
During design works of their power-packs, extra attention is paid by Hycos
to the filtration system. As a result the highest cleaning rates according ISO
are achieved.
The advanced dredge operating panel, is based on Windows 2000
PC operating system and consist of a conventional operating panel and two 15”TFT
Touch screens.
A well organised menu offers several additional operating and
control features at the operators convenience.
The applied Master / Slave
system reduced the use of electrical conventional wiring and cables on board
significantly.
Signals from trailing suction pipe position, sand-pump, valve
positions and hydraulic valves are transferred as data between their positions
and the PC / PLC control-panel