2018 Abstract Volume

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Increasing infrastructure resilience in New Orleans to enhance environmental protection Presenting Author: Mr. Laurent Auguste, Veolia, France Keywords resilience, hurricane, scenarios, vulnerability, climate Highlights In 2005, Hurricane Katrina caused flooding in 80% of New Orleans, causing raw sewage spills leading to significant ecological damage. To be proactive, the city did a risk analysis of the most critical assets. The vulnerability of the water infrastructure was evaluated using current and future climate risk scenarios. Introduction and objectives New Orleans has made it a priority to better understand its exposure to a broader set of future risks, transform its systems and become more resilient. Resilience requires global risk management to optimize prevention costs and reduce post-event environmental, economic, and social losses, and the length of the recovery period. The ultimate solution for this region will be a combination of improved grey infrastructure and leveraged green infrastructure. The local utility provides critical drainage, wastewater and freshwater services to the city. Failure of these trigger infrastructures would have significant impacts on the City’s public health, living ecosystems and global attractiveness. Methodology approach 30 environmental infrastructure and insurance experts, coordinated with city stakeholders to examine 200 drinking water, sanitation and rainwater evacuation facilities, to determine their degree of vulnerability and to recommend the appropriate action to ensure resilience while reducing environmental impact. The Technical and Risk Assessment delivers a detailed and structured resilience plan, focusing on medium to major risks; improved response and recovery time; and a threat analysis on inhabitant safety, business interruption costs, assets damages and environmental exposure over time. One month of city downtime represents five times the expected annual damage to city assets and biodiversity enhancements. Analysis and results Key steps for the project included: Calculation of baseline exposure of physical assets. Approximately 200 Assets worth $3.4bn (13 WWTP, 132 MGD – 1,600 miles/ 83 Sewage pump stations/ 59 WTP, 146 MGD – 353,000 people/35 Drainage pumping stations, 29 BGD) were Calculation of year 2050 climate exposure of current assets and ecosystems. More than 150,000 hurricane events were modeled in the Atlantic Ocean and Gulf of Mexico Tracking and monitoring actions and progress using a tailored Resilience tool. The tool supported local decision-makers by identifying assets’ criticality and by modeling a threat analysis to determine priorities and build a long-term adaptation strategy including the level of impact on the environment. Modeling the impact of selected resilience-oriented improvements on current and future climate scenarios to determine potential cost savings. Development of a strategic plan to optimize investment funds for risk and cost reduction for taxpayers. The results of the risk analysis provided the city with a detailed strategic infrastructure and environmental plan with prioritized mitigation measures and the basis for an adapted risk transfer strategy, as well as the necessary tools to monitor the implementation progress and effectiveness of these measures. Seminar: Sustainable infrastructure for inclusive green growth 128
Conclusions and recommendation The results of the risk analysis provided the city with a detailed strategic infrastructure and environmental plan with prioritized mitigation measures and the basis for an adapted risk transfer strategy, as well as tools to monitor the implementation progress and effectiveness of these measures. Since the existing level of protection in New Orleans following Hurricane Katrina was already high, the most impactful course of action is a two-pronged approach focused on reducing downtime of operations (and therefore negative indirect damage to city ecosystems) and hardening individual assets with the highest reduction in annual expected losses. Seminar: Sustainable infrastructure for inclusive green growth 129
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ABSTRACT VOLUME Photo: iStock World
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Seminar: Tapping into collective wi
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An alternative gender analytical ap
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Circular economy practices for exot
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Gendered approach in capitalising o
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‘Green Lady of Bihar’ and susta
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Human rights to water and sanitatio
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Integrating indigenous and scientif
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Monitoring SDGs 6, 5 and 14 through
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What gets measured (by women), gets
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Women, SDGs and climate related ada
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Seminar: IWRM and ecosystem based a
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Assessing the effectiveness of wate
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Assessing the interconnectedness of
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Can you sue a river? Legal rights a
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Effective stakeholder participation
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Environmental paradigm and water ma
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IWRM and ecosystem, the gap between
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Participatory ecosystem management
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Reducing uncertainty in ecosystem b
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SDG targets and implementation of I
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Seminar: Political drivers for sust
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A multinational commitment to save
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Cooperation and conflict: A subnati
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Linking water ecosystem services an
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Protracted conflict and the targeti
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Conclusions and recommendation EcoP
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the annual water saving in the six
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RBO-established institutional and g
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Seminar: Ecosystem based water mana
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measures to address such issues as
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Development of a curated global com
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Drivers for ecosystem-based flood m
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Enabling smart collaboration for th
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Environmental report-cards support
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Floods for food: Water spreading we
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How much groundwater can we pump an
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Conclusions and recommendation Alth
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Page 87 and 88: their operating plants. Local commu
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Page 91 and 92: The fact that 88% of SMEs suppliers
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Page 95 and 96: Leveraging artificial intelligence
Page 97 and 98: Mining sector collective action on
Page 99 and 100: Public and private roles beyond 'fe
Page 101 and 102: Sinopec: Grey-green infrastructure
Page 103 and 104: Trends in water-related innovation
Page 105 and 106: Water stewardship and business valu
Page 107 and 108: Seminar: Sustainable infrastructure
Page 109 and 110: Building inclusive basin resilience
Page 111 and 112: Can Africa take the lead on sustain
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Page 115 and 116: Developing a robust water strategy
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Page 133 and 134: Natural and built infrastructure ca
Page 135 and 136: Promoting pathways to guide investm
Page 137 and 138: Smart web-based IT solution for pla
Page 139 and 140: Tracking sustainable infrastructure
Page 141 and 142: Water for the city: ‘Greening’
Page 143 and 144: Seminar: Is there such thing as inn
Page 145 and 146: Adaptive PES: Financing sustainable
Page 147 and 148: Economic and financial instruments
Page 149 and 150: Establishing a trans-provincial eco
Page 151 and 152: Financial sustainability of watersh
Page 153 and 154: How to upscale financing for ecosys
Page 155 and 156: miParamo, environmental financing m
Page 157 and 158: Strengthening enabling conditions f
Page 159 and 160: Seminar: Investing in freshwater ec
Page 161 and 162: Balancing built and natural infrast
Page 163 and 164: Conserving the Lake Tana ecosystem
Page 165 and 166: Integrating water and energy bills
Page 167 and 168: Investing in aquatic ecosystems and
Page 169 and 170: Investing in free-flowing rivers: A
Page 171 and 172: Making freshwater biodiversity in t
Page 173 and 174: Private sector engagement with supp
Page 175 and 176: Understanding freshwater biodiversi
Page 177 and 178: Water community providers, ecosyste
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Wetworking: A participatory network
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Willingness to accept: Enticing lan
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Seminar: Ecosystems in an urbanisin
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Conclusions and recommendation For
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Conclusions and recommendation Wate
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Integrated approach for blue/green
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Integrating green infrastructure in
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Integrating land use and water mana
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Is really ecosystem development han
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Let nature do the work in the Stock
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Conclusions and recommendation The
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Conclusions and recommendation Our
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The ecosystem in Gaza Strip between
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2018 Abstract Volume

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