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Peter Allen, Malcolm Barker, Shane McGrath and Chris Topham

Are we there Yet? The question we all ask in Tolerability of Risk. The answer is in the journey, which we are all on as owners, regulators or designers.

A number of authorities in Australia are applying risk assessment for the evaluation of dam safety upgrades in accordance with the October 2003 ANCOLD Guidelines on Risk Assessment. A fundamental requirement for the evaluation of risk below the limit of tolerability is the use of the As Low As Reasonably Practicable(ALARP) principle. In making a judgement as to whether an ALARP position may have been reached, ANCOLD suggest the evaluation of a Cost to Save a Statistical Life, good practice, level of existing risk, social concerns, affordability and duration of risk. ANCOLD also suggests consideration of the USBR Criteria for evaluating risk. Recent guidelines on the Acceptable Flood Capacity for Dams developed by the Queensland Dam Safety Regulator provide further insight into the application of ALARP.

The objective of the paper is to make dam owners, regulators and designers aware of some current practice regarding the evaluation of ALARP in Australia, highlight the challenges of applying this principle and to encourage further discussion.

Now showing all 9 search results

  • $15.00
    2006  Papers

    2006 – ALARP Considerations for Dam Safety – Are We There Yet?

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    2015  Papers

    2015 – Towards Risk-Based Surveillance Programmes – Maximising the Value of Your Monitoring Spend

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    2017  Papers

    2017 – Sheet Piles: Driving a Solution to Piping Risk

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  • $15.00
    2013  Papers

    2013 – Managing the risk of under-designed spillway training walls: an owner’s guide

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  • $15.00
    2013  Papers

    2013 – Uplifting foundation experiences: borehole blowout, uplift concerns and foundation modelling at Clark Dam

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  • $15.00
    2012  Papers

    2012 – Backward Erosion Piping: What are the chances of that?

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  • $15.00
    2008  Papers

    2008 – Construction of a full height filter buttress against a full reservoir at Dee Dam

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  • $15.00
    2009  Papers

    2009 – The internal investigation of conduits through an earth dam

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  • $15.00
    2010  Papers

    2010 – TOWARDS UNDERSTANDING A KARST FOUNDATION: USE OF A THREE DIMENSIONAL FOUNDATION MODEL AT DARWIN DAM

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