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