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MINIMALLY INVASIVE

The GRUNDOPIT units are easy-to-use mini fluid-assisted HDD rigs for the quick and economic installation of property service connections for gas, water, electricity, FTTH and sewer pressure pipes. When drilling into the building, the brickwork is sealed without a head hole in front of the house wall using a wall duct.

In addition to property service connections, longitudinal installations of up to 100 m in length are also possible with GRUNDOPIT mini drilling rigs. Depending on the soil, a water-polymer drilling fluid or a Bentonite drilling fluid is used. Depending on the type of bore, pipe diameter, soil type, bore length and degree of difficulty, a power, manhole or keyhole version can be selected.
 
A particularly gentle version of steerable drilling is the minimally invasive keyhole method with GRUNDOPIT KS50 for the installation of property service connections from the main line out of the smallest possible round construction pit (keyhole Ø 65 cm) directly into the house or into a small assembly pit in front of the house. All connection work is carried out above ground and the keyhole is then restored with the removed core without any additional asphalting work or consequential damage.

APPLICATION RANGE

  • Property service connections
  • Data, supply and disposal lines
  • Bores into the building

SPECIAL APPLICATIONS

  • Bores out of manholes from up to Ø 1 m
  • Bores out of keyholes from up to Ø 650 mm

FURTHER APPLICATION AREAS

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