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Bathymetry

Elaboration of bathymetric charts
3D modelling of seabed, riverbed, etc.
Wreck identification
Use case

Underwater inspection of the Chalifert rail bridge

Marne-la-Vallée, France - 2015

 

The French Railway Company (SNCF) entrusted the realization of a bathymetric survey and the 3D modelling of rail brige footers to Subsea Tech, next to EuroDisney amusement park. Operations consisted in deploying a multibeam Norbit echosounder from our CAT-Surveyor USV as well as a 3D Blueview sonar BV5000. Images and data were acquired in record time and Subsea Tech pointed out the benefits of using unmanned in terms of operational efficiency and safety.

Objectives

 

  • Underwater civil work 3D modelling of the former Chalifert rail bridge
  • Modelling of the Marne riverbed next to the bridge footers

Equipment used


SUBSEA TECH
  • fr

Subsea Tech

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