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ASDA supermarket, Leicester (Light case study)


ASDA is a major supermarket chain. When starting to consider the perceived impact of the Flood and Water Management Act 2010 they decided to explore different ways to manage their surface water on site. As a supermarket with a large hard surfaced area this led to an innovative solution. The water from the roof of the store and also a significant part of the car park drains through channels and gully to a 10 m wide filter drain running across the car park. The reimaging area of car parking drains through a much smaller filter drain; but both drain into a swale system that eventually connects into the sewer system.

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