Dredging monitoring system for trailing suction
hopper dredgers

The system for trailing suction hopper dredgers significantly increases bottom dredging efficiency. The dredge master can control the location of the dredger with regard to the depth map, as well as the location of the draghead against the bottom surface, target depth and boundaries. Moreover, the operator can always identify the areas where the works haven't been performed yet. Operator gets on-the-fly logging of the productive output of the dredge pump based on the amount of dry solid.

The system is suited for owners of TSHD with any number of dredge lines.
Main advantages
  • 1
    Reducing the cost
  • 2
    Total control of processes by the operator (dredge master)
  • 3
    Elimination of unpaid works
  • 4
    Maximum accuracy and efficiency on every cubic meter of the project
  • 5
    Online data access to dredging progress from any place in the world
The user interface
The user interface may vary depending on the vessel project, sensors, and end user's setups and specific needs. The interface is user-friendly – there are several different windows that you can open on different screens and watch simultaneously.
Primary functions
  • 1
    Total control of the situation
    — Realtime spatial control of the dredger and its buckets or dragheads (moving vertical and side 3D representations)

    — Current depths display against the original survey data

    — Dredging process logging (bottom surface monitoring by colored depth maps, a digital tablet and 3D representation)

    — Angle and depth display for all the dredger elements;
  • 2
    Monitoring and planning
    — Monitoring of bending angle of the pipe joints

    — Monitoring of the bucket or draghead position both while working and being transported

    — Additional information (GPS signal performance, current coordinates, pitch and roll, draghead sensors data) display can be customized

    — Current reports on the dredging works are available to the operator

    — Introduction and editing of the project level boundaries (benchmarks) as well as other project details

    — You can measure the distance and get the exact coordinates from the map
  • 3
    Working with maps
    — Project files can be exported from the system (including xyz format)

    — You can change the scale and view different parts of the map

    — Map rotates according to the ship's movement

    — Introduction and editing of the project level boundaries (benchmarks) as well as other project details
  • 4
    — Realtime spatial control of the dredger and logging of all the dredger's movements

    — Saving all the recordings of performed works, equipment and personnel operation time

    — Remote data saving to Nonius FleetControl

    —All the sensors already aboard you can connect to the system.
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