Mar 09 2010
Water insensitive design
This ‘raingarden’ has failed because:
- water entering from the left never gets past the grate
- the level of the garden is higher than the gutter and the level of the garden past the pit is over 100 mm higher than the entry point of the water from the gutter
- gravel is carried from the ‘raingarden’ to the pit requiring truck suckers to vacuum out the gravel
- replacement gravel is being imported to replenish the eroded gravel
- the volume of stormwater from the adjoining building exceeds the water from the road in most rainfall events and is wasted by being diverted away instead of being used to water street trees and ‘raingardens’
