![]() The PLC software receives GPS information through DGPS survey software. The multibeam echosounder includes a data acquisition and navigation software for real time dredging monitoring and post processing dredging results. The multibeam echosounder is based on a 120 degrees swath beam with and update rate of 12Hz and a 0,02% slant range accuracy. Seascape developed a PLC software positioning system to position a vessel or pontoon with a 4 point mooring system in combination with a multibeam echosounder system to monitor the pre-, actual and post dredging slope. of sand and dumping it 100-150 m through a floating line from the vessel. The system is cable of dredging 230-250 m 3/hr. The soil was medium compact fine sand with some clay layers. During actual dredging commissioning the system was able to dredge a trench of 2 m deep and 8 m wide in one pass. ![]() The first designs was considered to be able to dredge in one movement approximately 0,5 m deep and 6 m wide. Design 2 is as frame with 5×700 m 3/hr pumps with 4x350m 3/hr jets. The frame is build up with suction and jetting nozzles with pumps and the necessary tubing and hydraulics.ĭesign 1 is as frame with 5×350 m 3/hr pumps with 2x350m 3/hr jets. The dredging equipment consist of a dredge frame, an A-frame floating pipelines and possible with a hose guiding system. The dredge frame has a small electronics epod for the roll & pitch and depth sensor. The TDS can be applied on any floating object such as a pontoon or a vessel. ![]() ![]() It’s completely bridge operated and consists of dredging equipment and a controlling system. The TDS is special designed for shallow water trenching. The Trench Dredging System is developed, built and commissioned by Seascape. ![]()
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