Austroads: Transport Research and Trends

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Dangerous Goods in Tunnels

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This webinar provides an overview of an Austroads project that examined the passage of dangerous good through Australasian road tunnels, and continuing studies on this topic.

It covers:

  • the background of the project
  • a standardised methodology to guide the assessment of risk and the variations between existing tunnels and tunnels entering the design phase
  • current national and international practice
  • the next stage of the study.

The webinar was presented on 12 September 2019 by Nigel Casey and Bruce Dandie.

Guide to Road Tunnels Part 4: Retrofitting Tunnels

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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.

Updated Guidance for the Design of New Pavement for Road Tunnels

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This webinar gives an overview of the key changes to the Guide to Road Tunnels Part 2: Planning, Design and Commissioning.

It covers

  • the design criteria for pavements in tunnels
  • how the pavement may form the tunnel floor structure
  • typical pavement profiles in tunnels
  • the common pavement wearing surfaces
  • allowances to consider for the construction and maintenance of the tunnel and pavement.

The webinar presented on 30 April 2019 by George Vorobieff.

Suggested Good Practice for Road Tunnel Emergency Egress Signage

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This webinar provides an overview of an Austroads study to develop suggested good practice for a consistent, efficient and safe approach to emergency egress signage within Australasian road tunnels.

It covers:

  • how signage supports the requirements of the relevant phases of the evacuation process
  • comparisons of signage within existing or under construction tunnels in Australasia and their alignment with local standards and international practice
  • the results and conclusions of the assessment, including the recommended emergency evacuation signage for use within Australasian road tunnels
  • other elements identified that are important in the context of supporting the evacuation process.

The webinar was presented on 9 November 2018 by Tony Peglas.