Ports and Authorities

Port maintenance

Port maintenance and accessibility are determining parameters for a qualitative port management, but often have a big impact of the operational budget. dotOCean’s instruments offer insights in the ports sediment and maintenance dredging strategy. The measurement technique in combination with alternative dredging techniques can improve the accessibility of the port or can optimize the dredging effort.
The GraviProbe gives insight in the strength of the soil and opens opportunities to apply new dredging techniques.
For more information on the applications: technical papers

Port construction

Port, terminal and quay wall construction requires a range of underwater measurements to investigate the geotechnical characteristics of the soil.
Thickness of the mud layers, soil and sediment structure influence the project time frame and stability of the construction works. Researching these parameters enables contractors to work with the right equipment and complete the construction in the conditioned time frame. The end result is the ability to offer top quality work to the customer.
With the dotOcean GraviProbe it is possible to accurately determine the characteristics of the fluid layers above the hard bottom. Mud layers and sediment composition are parameters that will ensure a correct picture of the soil structure and allow to select the right tools for future decisions.

Port data acquisition

Navigation charts are important information for the different stakeholders of the port. Survey data and soil measurement data can be collected in one easy-to-use system. Harbor personnel can access the data anywhere and anytime on computer, tablets or smartphone. Increasing the mobility and awareness of all people involved in the harbor operations. Besides hydrographic data also additional data streams from weather stations, ADCP, cameras and other sensors in the port can be merged.
Atlantis visualizes data from survey campaigns, measurement systems, position sensors (GPS, compass), GraviProbe or DensX data, weather data, mechanical measurements and detection sensors in one platform. Online streaming to a network and visualization equipment, data and system management are synthesized in a fast and easy to use system.

Determination of nautical depth

“When ships enter a port the navigability needs to be guaranteed. Since there is a continuous inflow of sediment in every port, regular dredging is necessary. Theoretically, the nautical bottom is the level where physical characteristics of the bottom reach a critical limit beyond which the controllability and maneuverability of a ship is not guaranteed.
A ship can navigate through fluid mud when density levels or rheological levels stay below a certain threshold. To determine when and how much there need to be dredged to reach these levels the underwater sediment and mud layers must be monitored and analyzed. The GraviProbe and DensX system are the perfect tools to accurately measure the density or rheological levels.

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