Bioretention Solutions to Urban Flooding and Storm … › cityforall...CGI bringing green solutions...

bringing green solutions

Bioretention Solutions to Urban Flooding and Storm Water Issues in Cambodia

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»Sum Sirey

»Aaron Sexton

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»Global entrepreneur competition

»350 entrants worldwide

» ‘Greening’ economies

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CGI bringing green solutions

Cost of flooding:

- Flooding events in 2011 and 2014 cost economy over $1 billion nationwide

- Flooding costs Phnom Penh USD$6 million each month

BEST FOR YouO R G A N I C S C O M P A N Y CGI bringing green solutions

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Issues:

- 25 lakes filled in for

development

- Rapid development and

urbanization

- Insufficient infrastructure

- Inability for stormwater to

access drainage system

- Waste / SedimentCGI bringing green solutions

Bioretention Solutions…

CGI bringing green solutions

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8CGI bringing green solutions

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Benefits of Bioretention

»Health

»Financial / Economic

»Environmental

»Livelihoods

CGI bringing green solutions

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Design Benefits:

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»Flexible design

»Function on flat

topography

»Fit into streetscape

»Cost effective

»Complement new

drainage systems

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Road Design

CGI bringing green solutions

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Traffic Control

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Residential Design

13

CGI bringing green solutions

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Street/Commercial Design

CGI bringing green solutions

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JICA, Drainage Project » By 2035 investment of over USD$662 million into

urban drainage infrastructure

» O&M costs USD$ 1.23 million annually

» Urban drainage project costs USD$5,500 per cubic metre,

» Bioretention costs $150-180 per cubic metre

CGI bringing green solutions

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CSR

CGI bringing green solutions

YOUR NAME HERE

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CGI’s ambitions…

CGI bringing green solutions

Develop other green concepts:

» Urban green space » Permeable surfaces » Green play areas for schools

Thank You

Cambodia Green Infrastructure (CGI)bringing green solutions

Aaron Sexton

070 951 248

Aaronsexton.cgi@gmail.com