DEVICE FOR DREDGING SOIL MATERIAL UNDER WATER

The invention relates to a device for dumping material onto an underwater bottom or installation, such as a pipeline. The device comprises a vessel (1), provided with a fall pipe (7) through which the material is dumped on the underwater bottom; a steering device (5) adapted to control the motion of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GABRIEL, JAN, HAGENAERS, GWYN, BROUNS, GERT, HEILER, JOHAN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EQUIPMENT FOR DWELLING OR WORKING UNDER WATER EQUIPMENT FOR SHIPPING LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS LIFE-SAVING IN WATER MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a device for dumping material onto an underwater bottom or installation, such as a pipeline. The device comprises a vessel (1), provided with a fall pipe (7) through which the material is dumped on the underwater bottom; a steering device (5) adapted to control the motion of the fall pipe relative to the underwater bottom; first monitoring means (30) adapted to monitor the state of the underwater bottom; second monitoring means (32) adapted to monitor the position of the steering device relative to the bottom; and computing means adapted to compute, on the basis of data obtained from the first and/or the second monitoring means, control signals for moving the steering device. The invention also relates to a method for dumping material onto an underwater bottom or installation, using the invented device, and to a computer program comprising program instructions that when loaded into a computer carries out the method.