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Building of networks along railways


roberval trenching tool



Trenching and Mechanical laying of fiber optic along railways.

Specific features

  • Compact trencher suitable for work in rough broken ground and narrow areas,
  • Quick network deployment process


  • Automatic stabilizing and non-overturning system,
  • National French railways (SNCF) approved reduced overall sizes


  • Train traffic not interrupted during the works,
  • Increased safety of the work site,
  • Reduction in building costs thanks to the direct burial of networek ducts into the ground

Sizes and weight of the unit

  • Length in working position: 9,30 m
  • Width: 0,76 m
  • Height: 1,50 m
  • Weight: 8,2 tons

Technical features of the trenching tool

  • Vibrating plough
  • Tool offset : 150 mm on the left and right side in relation with the axis machine