Page 147 - GreenRE_Sustainable Real Estate Book

7 Hydrology & water management Crucial to returning storm water back into the ground to recharge
ground water
Green design must address the hydrology & water management of the locality of the constructed ecosystem.
1. Green street infiltration planter

Green roof
Rainwater
Solar powered harvesting
lighting
2. Permeable paving & rain garden
Green wall
Breeze
corridor Biodiversity
enhancement
reuse &
Eco-bridge recycling 3. Infiltration swale
of grey
Eco-undercroft water
Constructed Bio-swale Bio-swale
wetland
bio-swale
black water 4. Infiltration basin

New plants Park & nursery irrigation Legend:
for park Water treatment Water storage Clean potable water
and market Seedings & propagatings Non potable but suitable for
disposal in ecosystem 5. Storm water wetland canal
We need to design for Net Zero Water by closing the water cycle to regard water as a resources Black water
Non potable water
Showers basins floor traps Treated • Bioswales
Main Water Black effluent • Filtration strips
Waters storage Kitchen water Water treatment plant • Rain garden
• Detention ponds Example of storm
• Renewable sources Sinks Internal
of water The black water (sewage) can be treated naturally by constructed wetland
• Rainwater dew Toilets urinals Grey water storage & treatment Constructed wetland
collection Irrigation of
• Solar desalination The built system External landscaping Aquifers
• Sea water
• Surface water Example of close-loop water management intercept detain retain infiltrate filter
slow filter

Filtration Planter Permeable Paving Bio-Swale Canopy Cover Green Roof Rainwater Infiltration Garden Detention Basin
Harvesting

Methods to reduce runoff and improve water quality

SUSTAINABLE REAL ESTATE | Our 10-Year Journey 136