Hydrographic Surveys

We perform nearshore and offshore hydrographic surveys to accurately assess the water depths and seafloor topography for various purposes such as:

  • Coastline monitoring
  • Pre and post dredge water depths during dredging operations
  • Impact of any storms nearshore and / or in navigation channels
  • Construction of artificial islands
  • As part of geophysical surveys for engineering and construction purposes
  • Shipping routes and channels

  • Typical equipment utilised for hydrographic surveys are:

  • Small boat and /or supply vessel
  • Precision DGPS systems
  • Navigation / data acquisition software and systems
  • Tide stations
  • Single-beam and multi-beam echosounders
  • Heave compensators / motion sensors