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John Harris, James Robinson, Ron Fleming

Haldon Dam Remediation: A Case Study of Earthquake Damage and RestorationJohn Harris, James Robinson, Ron FlemingAECOM New Zealand LimitedAECOM New Zealand Limited, Fleming Project Services Limited Haldon Dam is a 15m high zoned earth-fill embankment irrigation dam, located approximately 10 km south-west of Seddon, in the Awatere Valley, New Zealand. The crest and upstream shoulder of the embankment suffered serious damage during the 2013 Cook Strait earthquakes, and the Regulator enforced emergency lowering of the reservoir by 5.5m to reduce the risk of flooding to Seddon Township from a potential dam failure. AECOM was engaged by the owner to carry out a forensic analysis of the damaged dam and subsequently the design of the 2-Stage remedial works. The remedial works addressed the existing dam deficiencies and earthquake damage in order to restore the dam to full operational capacity and gain code compliance certification. Key features oft he approach included holding a design workshop with the owner prior to undertaking detailed design, careful rationalisation of the upstream shoulder to optimise the competing interests of strength and permeability, contractor and regulator involvement in the design and construction process, and balancing risk and constructability with the chimney filter retrofit. This paper presents a description of, and approach to, remedial works solution undertaken to remediate a substandard and earthquake-damaged dam to fully operational status in an area of high seismicity. Applying this approach, the objective of achieving a robust, safe, economical design that was acceptable to the regulators and the owner was achieved.

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  • $15.00
    2017  Papers

    2017 – Haldon Dam Remediation: A Case Study of Earthquake Damage and Restoration

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    2018  Papers

    2018 – Potential Geologic Sources of Seismic Hazard in Australia’s South-Eastern Highlands: What Do We Know?

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  • $15.00
    2019  Papers

    2019 – A Novel Solution for Ensuring Post-Earthquake Operability of Outlet Towers

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    2019  Papers

    2019 – Nonlinear FE Analysis and Remedial Design of Cracked Dam Monoliths Subject to Large Post-tensioning, Flood and Earthquake Forces

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  • $195.00
    Guidelines

    Guidelines for Design of Dams and Appurtenant Structures for Earthquake (July 2019)

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  • $15.00
    2006  Papers

    2006 – Specialist Dam Safety Instrumentation for Identifying and Monitoring Earthquake Damage at Aviemore Dam, New Zealand

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  • $15.00
    2007  Papers

    2007 – Seismic hazard assessment of the Lake Edgar Fault

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  • $15.00
    2011  Papers

    2011 – Numerical Modelling of Seismic Liquefaction for Bobadil Tailings Dam

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