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INTELLIGENT & POWERFUL

With fluid-assisted drilling, the directional GRUNDODRILL rig first creates a pilot drilling along a flexible bore path using a steerable drilling head. When the drill rods are pulled back, the borehole is upsized by an expanding head and the attached pipe is pulled into the bore path. That way, longitudinal bores, crossings underneath of waters and other traffic ways can be carried out even in rocky ground.

The drilling fluid consisting of water and the clay mineral Bentonite makes a major contribution to the successful execution of the pilot bore. It supports the excavation of the soil, removes the cuttings, stabilizes the bore channel and reduces the casing friction of the pipe to be installed.
The application range covers all pipe construction measures for gas, district heating and drinking water supply, the installation of sewage pressure pipes and cable protection pipes for broadband supply, telecommunications, e-mobility and wind power. The GRUNDODRILL HDD rigs are also applicable for further innovative applications in drainage and well construction as well as geotechnics.

APPLICATION RANGE

  • Undercrossings
  • Longitudinal bores
  • Installation of protection pipes
  • Rock drilling

SPECIAL APPLICATIONS

  • Horizontal drinking water wells
  • Irrigation and drainage
  • Geotechnical applications
  • And much more

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IMPRESSIVE VERSATILITY
PRODUCTS OF THE GRUNDODRILL SERIES

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