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Austria |
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Grossglockner
Lake Margaritze (2000 m) is located at the end of the Glacier on the highest peak in the Austrian Alps the GrossGlockner. The meltwater of the glacier gives sedimentation that causes 2 problems. Primary the lake fills up with sediment and secondly the sand and gravel eventually damages the turbines. Dutch Dredging developed the ‘GrossGlockner’ a stationary dredger that is fully dismountable. Made up of 16 pontoons, the Grossglockner is efficient in dredging sediments at great depths. |
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Dredging is carried out with careful monitoring and manoeuvring of the suction head, therewith having complete control of the dredging process. The pipe with the suctionhead is lowered into the material through a hoisting installation. This means it does not only dredge the top layer but also the material which is deeper and more compact. When the soil is harder, a cutter head can even be attached to loosen the material. When slides appear that block the suction inlet, the suction head can easily be pulled out. The installed Jet is highly efficient in disintegrating cohesive material. All this makes it a very cost-effective solution for dredging. Light and easy transportable equipment makes it a good solution for even the smallest lake. A continuous high production is coupled to an environmental friendly and time-friendly solution. The dam can continue its work during the dredging and the high production means less time necessary for the operation.
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Grossglockner |
Period |
1998 - currently |
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Client: Tauernkraft
Description: Maintenance mountain Lake
Equipment: Grossglockner
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