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How to plan for an earthquake event: essential data collection approaches for underground infrastructure condition assessment
Author & Presenter: Irmana Garcia Sampedro, Christchurch City Council
Co-author: Matthew Hughes, University of Canterbury
Getting ready for a major earthquake.
Is your organisation ready to cope with underground infrastructure condition assessment data collected after an earthquake?
Drawing on lessons from the 2010-2011 Canterbury and 2016 Kaikōura earthquakes, we provide guidance on how to make small differences in how your organisation currently collects and stores the necessary condition data to prepare for emergencies, especially for small- and medium-size councils without sophisticated asset management systems. Key questions to address include: Are you receiving condition assessment data in electronic format? Are your contractors providing XY coordinates when repairs are undertaken, or when providing photographs as part of visual assessment? Do you have an asset management system able to prioritise critically damaged underground infrastructure? Do you have easy access to your current network condition for insurance purposes? Simple business-as-usual improvements will provide enhanced preparedness and resilience capability in the event of an earthquake. In addition, we provide a framework for future data collection processes.
Irmana Garcia Sampedro is a Spanish Civil Engineer who came to New Zealand in 2012 to help in the Christchurch rebuild. Irmana worked for three years as a member of the Stronger Christchurch Infrastructure Rebuild Team (SCIRT), and after this role at SCIRT she decided to focus her career on Asset Management. Irmana is currently working as Strategic Asset Engineer in the Christchurch City Council Asset Management Unit. In August 2017 she completed the IPWEA professional certificate in asset management and planning. In November 2016 she had the privilege of being a member of the Planning Intelligence Team in the Kaikōura Earthquake emergency response and the Christchurch Port Hills fires emergency response in February 2017. Irmana is passionate about the concept of collaborative emergency management within New Zealand, and strongly believes that working in this area increases our capacity to recover quickly from an event.
Growing pains – the Western Water story: planning a resilient water supply in an environment of unprecedented growth and climate change
Author & Presenter: Dan Stevens, Beca
Co-authors: Tim Hatt & Heath Miles, Western Water
Not so long ago Western Water was a quiet semi-rural area seemingly with an adequate water supply. The millennium drought signaled what climate change may bring and with a 3-5 fold increase in population expected, things have certainly changed.
Melbourne is experiencing a period of sustained growth and the as the city expands to the north and west, country towns such a Melton and Sunbury will see their populations increase 3-5 fold, placing a huge demand on the infrastructure and in particular the already stretched water supply.
A recycled water network is already in place to reduce demand and additional water supplies are being investigated, including a major stormwater harvesting scheme and purchasing more water from the bulk supplier Melbourne Water in the off-season to top up storage reservoirs to meet the peak summer demands.
This paper details the approach being taken to build a resilient water supply network and highlights some of the tools being used to support the planning team.
Dan Stevens is a Principal Environmental Engineer with over 34 Yearsâ experience mostly in the Water Industry. He is a water distribution specialist with particular expertise in advanced asset management and hydraulic modelling. Dan is a regular speaker at national and international conferences and is recognised internationally for his work advanced asset management. He has extensive experience leading multi-disciplinary teams on strategic asset planning projects. He is a Chartered Environmentalist and Chartered Water and Environmental Manager and is a Member of the Institution of Civil Engineers and the Chartered Institute of Water and Environmental Management.
Saving money by extending the life of New Zealand heritage bridges
Author & Presenter: Raed El Sarraf, WSP-Opus
New Zealand has many bridges that appear to be due for replacement. This paper shows how to extend their useful life while saving money.
Most asset owners assume that a bridge at the end of its 100 year design life is in need of replacement. The Detailed Condition and Structural Assessment (DCSA) combines the principles of corrosion management and structural engineering to determine the remaining structural capacity for current and future loads within a 30 year structure-specific plan.
This paper gives examples from around New Zealand where bridge asset life has been extended while maintaining or improving levels of service and resilience. Extending the useful life bridges provides millions of dollars in savings through deferred works, and minimises disruption to users while preserving an important part of our heritage.
Raed El Sarraf is a Corrosion and Asset Integrity Consultant at WSP Opus in their Auckland office. He is Chartered Engineer with over 15 years’ experience in the corrosion prevention and the rehabilitation of existing structures, in addition to specifying corrosion protection systems for new structures. He has co-authored a number of articles, papers and guidance documents in both New Zealand and Australia, such as the NZ Transport Agency Protective coatings for steel bridges, Weathering Steel: Design Guide for bridges in Australia, and SNZ TS 3404 Durability requirements for steel structures and components.