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Peter Woodman, Andrew Northfield, Tim Kallady

Currently there is little guidance available on how itinerants on roads should be included in a consequence assessment. The methods available are often subjective which can lead to itinerants on roads either being ignored or insufficiently considered. A fact that can in turn lead to consequence categories being inappropriately assigned to the asset being assessed or risks being under or over estimated. Consideration of these itinerants is especially important for smaller dams or retarding basins in urban areas where often the Potential Loss of Life (PLL) in buildings is small but there are major roads carrying a large Population At Risk (PAR) through the inundation extent, which experience flooding of sufficient severity to pose a threat to life.

This paper looks at how the method used to assess itinerants on roads can affect the consequence category assigned to an asset and/or the risk of the dam or retarding basin. It will draw on a number of recent assessments undertaken for retarding basins within Melbourne and make comment on a possible approach to consider itinerants on roads in the future.

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  • $15.00
    2016  Papers

    2016 – Roads Can Drive Your Risk! A Look at the Importance of Itinerants on Roads in your Consequence Assessments

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    2016  Papers

    2016 – When is a Hazard not a Hazard? A Review of Fatality Factors for Dambreak Consequence Assessments.

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  • $15.00
    2018  Papers

    2018 – Using HEC-LifeSim to Better Understand and Reduce Dam Failure Consequences for Three Case Studies Around Australia

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    2019  Papers

    2019 – Lessons Learnt From Evacuation Modelling for Dam Failure Consequence Assessments

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    2020  Papers

    2020 – Demonstrating risk benefits of improved monitoring and surveillance

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    2021  Papers

    2021 – Lessons learnt from the application of HEC-LifeSim 2.0 to multiple dams across Australia

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