Planners in the UK are required to determine whether any proposed development will increase flood risk, or increase run off beyond that estimated for a greenfield site
What are SUDs?
Sustainable Drainage Systems
Examples of SUDs include….
green roofs, infiltration basins, permeable pavements, rainwater harvesting, soak-away, filter drains , detention basins and wetlands
Green roofs
Vegetation cover planted on waterproof membranes increase interception and transpiration
Permeable Pavementa
Gaps between pavement slabs delay surface run off
Rainwater harvesting
Water is collected from roofs to be recycled, eg: garden irrigation
Wetlands
Retention areas with marsh and wetlands vegetation
