B 38 OU Mörlenbach, construction of the Kisselhöhe tunnel

Joint venture with HOCHTIEF Infrastructure GmbH

  • Approx. 200,000 m³ excavation / excavation of tunnel, rescue tunnel and pre-cuts
  • Construction of the tunnel inner shell and two portal structures
  • Construction of the retaining walls and the operations building (shell)
  • incl. construction of an extinguishing water basin and pollutant retention basin
  • approx. 4,300 m² road superstructure