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Published byJulie Sanders Modified over 9 years ago
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Sustainable Cities and Infrastructure Urban River Restoration Opportunities and Implications for China 12/10/2010 Michigan – China Clean Tech Symposium Timothy J. Dekker, Ph.D., P.E.
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Cities worldwide have interrelated issues of water sustainability and market opportunity Environmental/water resource issues: – Watershed alteration and hydrology – Water quality impacts – Water supply limitations – Altered rivers: dams, levees, sediment dredging – Land development conflict with river Market Issues: – Development / regulatory interactions – Obstacles to value creation
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5 Water Use and Urban Infrastructure
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Disconnectedness
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9 Function
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10 Connectedness
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Neighborhood Plan Bullet – sub
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Donlands Economics 275 acres $140M base development cost (+?) Area to accommodate --------- annual tax revenue – 25,000 population – 10,000 jobs$100M – 12M sf residential$25M – 16 M sf commercial$100M Increased property value Increased economic activity Parkland and waterfront – increased value as destination
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Implications for China Significant water resources issues in China – Songhua River toxics spill – Lake Tai algal issues and drinking water source pollution – Jiaozhou Bay – algal blooms – Water supply – dams and interbasin transfers Past environmental and economic damage Future development: – Environmental regulations that focus on sustainability – Move from mitigation to planning – Development entities that make sustainable development possible
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Extra Slides
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Value chain – US Brownfields Redevelopment Property Owner Developer End Users / Buyers Government Transp. Urban Planning Ecological Services Civil Infrastructure Government Brownfield to Greenfield Value Creation General Contractor Engineering / Design Financing Insurance Env. Eng. Consultants 20-70% 12%3-8%30-40% 12%18-20% 0-30%
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Value chain – Toronto Brownfields Redevelopment Property Owner Design / Planning Development Authority DeveloperConstruction Government Financing Insurance Transp. Urban Planning Env. Eng. Cons. Ecological Services Civil Infrastructure Brownfield Value Creation Greenfield Value Creation
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Value Over Development Process (US brownfields redevelopment) Value Time From Greenfield Advisors, 10/21/08 Problem occurs Diminished marketability, loss in value Lag time to understand hazard/risk Effect of knowledge on perceived risk Evolving risk perception Remedy Remaining stigma
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Evolving risk perception Value Over Development Process (Donlands redevelopment) Value Time Adapted from Greenfield Advisors, 10/21/08 Problem occurs Diminished marketability, loss in value Lag time to understand hazard/risk Effect of knowledge on perceived risk Site restoration planning - effect on perceived risk Remedy / restoration / urban planning implementation Design competition
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