Wienerwald-Tunnel der ÖBB


At 14 kilometers in length, the Wienerwald tunnel is the longest railway tunnel of Austria

Takeover date/completion
December 2012

Scope of services

  • Smoke exhaust systems with accompanying electrical equipment, including regulation and control station technology
  • 900 kW axial ventilator with frequency converter
  • Overflow/vent locks and refrigeration technology