RWB is a flood risk consultant and watercourse maintenance company working with developers, architects, local water authorities, and landowners. We deliver tailored watercourse maintenance programs and conduct Flood Risk Assessments (FRA).
A flood risk assessment is needed if a development is proposed to be within flood zones or twenty metres of an Environment Agency river. An FRA might also be required when there is a change of use of a development in a flood zone, such as commercial to residential conversion, where occupants could be affected by flooding sources other than the sea or rivers, such as reservoirs and surface water drains.
The FRA forms part of a planning application for proposed development sites in flood zones. It identifies how floodwater will interact with the site, showing the risk of flooding from rivers (fluvial), groundwater, surface water (pluvial), sewers, and coastal estuaries (tidal). The survey shows if the development poses a flooding risk to nearby areas and is almost always needed in flood zone areas where the Environment Agency has identified critical drainage problems.