Articles & Case Studies

Sustainable rainwater management

Posted: Wednesday 24th September 2008

Sustainable, cost effective stormwater management systems from Marley Plumbing and Drainage have been installed in a new housing development in Manchester, ensuring the area benefits from efficiently managed drainage to reduce the risk of flooding.

Built by Richardson Projects the new development features 73 mixed tenure three bedroom properties, and benefits from Marley’s innovative Waterloc drainage solution. Comprising three tanks with a total of 99m3 capacity, the system uses a method of attenuation to temporarily store rainwater below ground level.

A number of Flowloc control devices, ranging from 3.8l/s to 9.0l/s pre-set flow rates, control the rate at which rainwater is discharged from the tanks into the stormwater drain or soakaway. Water is released at a gradual rate, independent of the head of the water in the tank.

Matthew Ward of Richardson Projects comments: “ The Waterloc system is an extremely valuable addition as it promotes a sustainable approach to stormwater management whilst being cost effective. Traditional drainage methods can lead to sudden rises in water levels, whereas the Waterloc cells and the Flowloc devices prevents this, reducing the threat of localised and downstream flooding.”

Waterloc is a strong and lightweight design, featuring columns of extruded polypropylene. These columns are uniquely combined with injection-moulded grids to provide both horizontal and vertical water flow. Waterloc can be used for soakaway (infiltration) applications, Marley also offers a range of Rainwater harvesting systems for both commercial and domestic applications.

www.marley.co.uk




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