Tools

Tools for the design and evaluation of sustainable drainage systems (SuDS)

Our focus is entirely on water. The complex challenges it brings. The innovative, practical solutions it takes to solve them. As an independent civil engineering and environmental hydraulics organisation it's what we deliver. The world over.

Greenfield runoff rate estimation

Estimate runoff rates based on basic site characteristics information.

Surface water storage volume estimation

Get estimates for the required volumes of water storage needed on a site.

Infiltration volume estimation

Calculate infiltration storage and drain-down times.

Water quality assessment for SuDS developments (SuDS manual)

Check whether your SuDS will adequately manage the pollution risks from surface water runoff. (SuDS manual)

Water quality assessment for SuDS developments (WaND)

Check whether your SuDS will adequately manage the pollution risks from surface water runoff. (WaND)

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