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A9 Pyhrn Motorway, Wald Tunnel

In order to keep traffic flowing during construction, the two tubes were rehabilitated one after the other.
Client:
ASFINAG Bau Management GmbH, Vienna
Location:
Austria
Time frame:
2015–2018
  • Twin-tube tunnel with one-way traffic
  • Length: approx. 2,850 m
  • Retrofitting of escape routes
  • Construction of additional emergency call and firefighting niches
  • Renewal and adaption of power supply system
  • Installation of high-pressure water mist system
  • Renewal of tunnel ventilation system
  • Consulting Services
  • Engineering and Design Services
  • Procurement and Contracting Services
  • Construction Management and Supervision
  • Commissioning and Start-Up Services
  • Project Management

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3 km Long Twin-Tube Road Tunnel in Austria