definitionMany towns and cities have large numbers of unused sewers. It is often too expensive to remove them. Giving those unused sewers a second life for retaining precipitation may be a simple option for realising a precipitation reservoir in an existing situation
(Urban Green-Blue Grids for sustainable and resilient cities, accessed on Sept. 2016).
Co-benefits and impactsReduced cost due to the utilisation of existing infrastructures.
FRI indicators (Show all)Sufficient storage capacity of the urban drainage system to accept flood water
Responsible authorities Learning and adapting from previous events
Last modified: Sept. 19, 2016, 12:20 p.m.