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FOR THE PERFECT CONSTRUCTION PIT

Circular construction pits allow fast and particularly gentle access to the underground infrastructure without classical excavation work. An essential advantage of the round construction pit compared to a conventional square excavation pit is the long-term strength after reclosure.
 
For producing these round construction pits, GRUNDOCORE crown bore rigs are used to make a circular cut into the surface of asphalt, concrete or reinforced concrete. The core is neatly cut out and later re-inserted, so that the surface is sustainably restored. That way, minimally invasive keyholes and even walk-in round construction pits can be produced.
  • Conceptual solution for the trenchless installation and renewal of water, gas, power and data property service connections
  • Lower surface damage and subsequent costs compared with conventional square-cut excavation pits
  • Safe, more productive and reduced reinstatement surface work
  • For assembly work inside the keyhole a variety of special telescopic tools are available 

APPLICATION RANGE

  • Construction of keyholes
  • Construction of walk-in construction pit
  • Service and repair works
  • Start/target pits for new pipe instrallation

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THE ROUND CONSTRUCTION PIT
THE METHOD OF THE FUTURE

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