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Microtunnelling is a widely used trenchless technique to install pipelines underneath the ground. It brings new opportunities for expansion of underground infrastructure in urban areas where conventional methods are uneconomic or impossible.

This technology is very accurate and can be used in all ground conditions.


    Our company provides services in the field of:
  • Microtunnelling O 1000mm ÷ O 4000mm with the use of “open cutterhead” MH-2 and MH-3 Machines
  • Microtunnelling O 250mm ÷ O 4200mm with the use of “closed cutterhead” AVN Machines
  • RELINING - trenchless renovation of damaged circular and egg-shaped pipelines
  • Works in DIRECT PIPE technology
  • Box culverts performed by microtunnelling method
  • Service lines from the inside of trunk sewer performed by controlled drilling
  • Ferroconcrete chambers made by a shotcrete method ( open and receiving chambers )
  • Driving sheet pile walls of steel sheeting sections
  • Caissons of concrete rings
  • Intermediate pumping stations
  • Separators
  • Rental of the equipment with professional operating personnel
  • Technical and technological consultancy


Herrenknecht AVN microtunnelling machines with closed cutterheads with the diameter range 250 mm - 4000 mm

Herrenknecht MH-2 and MH-3 microtunnelling machines with open cutterheads with the diameter range 1000 mm – 4000 mm

Control Container for AVN Machines

Microtunnelling is a state-of-the-art trenchless technique of building underground
infrastructure. It is a process of drilling tunnels with the use of boring machine
which is placed in the previously prepared launch shaft.

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