Hydrographic survey

Hydrographic survey is the mapping of the seabed or water bed to detect foreign objects and soil layers. T&A Suveys' hydrographic an geophysical experts perform these survey using hydrographic and geophysical measurement techniques and survey vessels.

Examples of hydrographic surveys performed bij T&A are:    

  • Obstacle investigation: detection of objects, cables or tubes in the seabed or water bed.    
  • Sludge layer thickness determination of sediment layers.    
  • Surveys for mapping the water bottom profile    
  • Quay and jetty investigation   
  • Erosion reearch, for example under bridges.