Hillingdon SuDS Design & Evaluation Guide
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Detailed <strong>Design</strong><br />
Basins, wetlands and ponds<br />
1. Reasonably clean water, through use of<br />
source control, should flow into site<br />
control components at or near the surface<br />
in a channel or swale.<br />
2. Where a pipe entry is unavoidable it<br />
should flow through a safe and visually<br />
neutral headwall, such as a mitred<br />
concrete headwall or stainless steel<br />
gabion basket inlet.<br />
Avoid using riprap as a form of erosion<br />
control, as loose stones easily move around<br />
and cause a nuisance for maintenance teams.<br />
This basin at Springhill Cohousing in Stroud can<br />
be used throughout the year.<br />
Facing: An example of ‘safety be design’: these<br />
children are doing a dance and movement class<br />
in a <strong>SuDS</strong> storage area at Red Hill School.<br />
133<br />
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London Borough of <strong>Hillingdon</strong> <strong>SuDS</strong> D & E <strong>Guide</strong><br />
© 2018 McCloy Consulting & Robert Bray Associates
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