Overview
A9 Pyhrn Motorway, Wald Tunnel
In order to keep traffic flowing during construction, the two tubes were rehabilitated one after the other.
About the Project
- Client:
- ASFINAG Bau Management GmbH, Vienna
- Location:
- Austria
- Time frame:
- 2015–2018
Technical Data
- 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
ILF-Services
- Management Consulting
- Engineering
- Project Management