Tag Archives: SuDS

What is needed for London to become a Sponge City?

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The twin dangers of flooding and water scarcity are increasing and highly urbanised areas such as London must adapt to mitigate the impact on people, property, and the environment. Here I discuss the concept of ‘sponge cities’ and what London would need to do to transform into one of these…

Keeping on top of SuDS storage capacity

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There’s a reason why the Ciria SuDS Manual C753 suggests that “difficult to clean” sustainable drainage systems (SuDS) attenuation systems, such as below-ground crates, should be oversized by 10%. It is because there is a risk that sediment will build up in them, reducing their storage capacity. With increasing legislation…

SuDS: Assessing the challenges and opportunities

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The concept of using sustainable drainage systems (SuDS) to improve hydraulic capacity and reduce peak flows is widely acknowledged and well documented. The UK government’s recommendation to make SuDS mandatory to new developments in England is therefore welcome and will, at last, provide a consistent approach.

Water quality and data: a matter of trust

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Sustainable Drainage Systems (SuDS) design is becoming ever more complex. There is a growing awareness that we must look after our water quality more carefully, backed up by policies such as the Plan for Water, published last year. Where there are risks that surface water may carry pollutants, it must…