Flood Risk Assessments/ PPG25
Please be aware, as well as the EA site there is a further EA site http://www.pipernetworking.com/floodrisk/index.html which gives National Standing Advice to Local Planning Authorities for Planning Applications. Even when the risk is low ie Flood Risk 1, a Flood Risk Assessment may still be required. I have been requested to provide one for a housing project as the site is over 1 ha. Flood Risk 1 is referred to as a “little to no risk area” and is shown unshaded on the maps! The main area that will need to be covered by the risk assessment for this site is that of the impact of surface water drainage. SUDS would be a consideration whether an FRA or not was required. A good starting point to assessing your project requirement is “the matrix” http://www.pipernetworking.com/floodrisk/matrix.html. The site also provides technical notes on flood risk assessment, but hopefully these will be carried out by a consultant.
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