bioretention solutions to urban flooding and storm … › cityforall...cgi bringing green solutions...
TRANSCRIPT
bringing green solutions
Bioretention Solutions to Urban Flooding and Storm Water Issues in Cambodia
BEST FOR YouO R G A N I C S C O M P A N Y
»Sum Sirey
»Aaron Sexton
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
»Global entrepreneur competition
»350 entrants worldwide
» ‘Greening’ economies
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
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
BEST FOR YouO R G A N I C S C O M P A N Y
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
BEST FOR YouO R G A N I C S C O M P A N Y
8CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
Benefits of Bioretention
»Health
»Financial / Economic
»Environmental
»Livelihoods
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
Design Benefits:
CGI bringing green solutions
»Flexible design
»Function on flat
topography
»Fit into streetscape
»Cost effective
»Complement new
drainage systems
BEST FOR YouO R G A N I C S C O M P A N Y
Road Design
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
Traffic Control
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
Residential Design
13
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
Street/Commercial Design
CGI bringing green solutions
BEST FOR YouO R G A N I C S C O M P A N Y
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
BEST FOR YouO R G A N I C S C O M P A N Y
CSR
CGI bringing green solutions
YOUR NAME HERE
BEST FOR YouO R G A N I C S C O M P A N Y
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