Austroads: Transport Research and Trends

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Guide to Road Tunnels Part 4: Retrofitting Tunnels

August 29, 2019
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This webinar provides an overview of the new Guide to Road Tunnels Part 4: Retrofitting Tunnels and the requirements for developing a project to upgrade a road tunnel.

It covers:

  • why a retrofitting project may be required for a tunnel
  • the types of retrofitting projects
  • the process of developing a retrofitting project
  • acceptable standards for retrofitting
  • retrofitting or refurbishing individual components of the tunnel or tunnel systems
  • achieving energy efficiency in tunnel construction and operation by adopting appropriate solutions
  • case studies on the M2 Norfolk Twin Tunnels NSW and the refurbishment of the Terrace Tunnel, New Zealand.

The webinar was presented on 29 August 2019 presented by Les Louis.