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Flood Risk
Environmental Impact Flood Risk Transport Planning Carbon Reduction


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Above - Coleshill Flood Prevention Scheme.

Risk Assessment

Backed by extensive experience in all aspects of flood defence and management, we offer a comprehensive range of Flood Risk Management services

We can provide clients with flood risk assessments in accordance with Planning Policy Guidance 25: Development and Flood Risk (PPG25). A risk based approach is now adopted by Planning Authorities and CEF Environmental can provide the necessary assessment to apply the sequential characterisation of flood risk, and where necessary identify options to manage the risk.

The specific services which we can provide are detailed below:

  • Liaison with the Environment Agency and Drainage Authority to discuss method of assessment and confirm availability of existing data, including the site’s flood history.
  • Flood flow estimation in accordance with the Flood Estimation Handbook (FEH) utilising the FEH CD-ROM1999 and WINFAP-FEH.
  • Generation of design flow data for proposed developments.
  • Hydraulic performance of channel & structures using HEC-RAS 3.1 (both steady and unsteady state).
  • Simulation of flood risk management options such as flood alleviation works and floodplain compensation.
  • Advice on methods of Sustainable Urban Drainage (SUDs) Techniques including a full detailed design service.

Our findings are typically provided in the form of a report which can be provided direct to Planning Authorities and the Environment Agency to support planning applications.

Association of Drainage Authorities

British Hydrological Society

Chartered Institution of Water and Environmental Management

Contact CEF Environmental

Key Benefits

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Last modified: 06/20/08