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Examining key issues

Water Reuse projects

RAINWATER HARVESTING IS A BLOOMING SUCCESS AT WISLEY

Marley Plumbing and Drainage is helping plant the seeds of success at Wisley’s Bicentenary...

EFFICIENT SUSTAINABLE RAINWATER MANAGEMENT FROM MARLEY

Sustainable, cost effective stormwater management systems from Marley Plumbing and Drainage have...

Infiltration

Infiltration systems allow the slow release of water, generally into the surrounding soil.


Providing an effective solution to a number of stormwater drainage problems, these systems are generally divided into two categories (depending whether temporary storage takes place above or below ground level), and offer all the benefits of using plastic.

Above ground infiltration systems utilise natural or artificial surfaces. Typical examples of above ground systems include porous pavements and paviours, or infiltration basins and swales.

Below ground or sub-surface infiltration systems are buried structures. Conventional soakaways are the most common example; generally a rubble-filled pit, although more efficient alternative options include modular plastic cells wrapped in permeable membrane. Due to their modular nature, these cells can be configured to suit the capacity required and the land available, although it is important that the installation is of sufficient size to accommodate the calculated run-off during peak periods of rainfall.

Another option is a trench-style soakaway that utilises perforated pipework over a large plan area for dispersal.

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