Due to changing climates, storms and floods are likely to become more frequent and severe. Their effects are exacerbated by the predicted rise in sea levels.
Planning Policy Statement 25: Development and Flood Risk (PPS25) requires the developer to assess the risk to their site. As such, Flood Risk Assessments increasingly form part of an application for Planning Permission approval where the need to identify and mitigate damage, loss and injury from floods is of great importance. The new Water Framework Directive will strengthen current legislation and potentially increase the developer's liability.
Flood Risk Assessments are usually required:
where the site is within an Environment Agency Flood Zone, adjacent to a watercourse or coastal region, adjacent to flood defences, within areas of problem drainage, and when a development significantly increases runoff. New developments should also incorporate Sustainable Drainage Systems (SuDS).
We have for many years carried out flood risk assessment reports, and associated sequential tests, for a wide range of developments in accordance with PPG25 and PPS25. We place considerable importance on a pragmatic approach to our dealings with the Environment Agency and Local Authorities.
Our services include:
Flood Risk Assessments (PPS25)
Flood Risk Sequential Tests
Design of Sustainable Drainage Systems (SuDS)
Design of highway drainage
Hydrology and catchment studies
River modelling and engineering
Analysis and design of flood alleviation works
Effects of floodplain development and mitigation
Assessment and design of channels, bridges, culverts and weirs
Modelling of land fill leachate and watercourse impact assessment
Hydraulic monitoring
Numerical modelling of rivers using MIKE 11 FEH or HEC-RAS software
Urban drainage modelling using MIKE URBAN software
Advanced flood analysis using MIKE FLOOD specialist software
