Flood Risk Assessments Explained

  • February 05, 2018
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Flood Risk Assessments measure the likelihood of flooding within your local area. As well as this, it explores what measures you can take to mitigate when it happens.

 
The Environment Agency (EA) and Local Lead Flood Authorities (LLFA) are the organisations involved with flooding. They decide which areas are at the highest risk of flooding. They do this using complex computer modelling, based upon historical floods.

 

After flood-modelling, the EA ranks areas in order of severity. These ranked areas are then mapped, to indicate what areas are at risk of flooding, and what severity the flood risk is. Using the mapped areas, consultants like us, can assess the risk of flooding to your project.
This involves projecting flood risk over time, to determine if your project is vulnerable, as flood risk is likely to increase with time. As well as this, we determine how changes of your development will affect the local area.

 
There are three levels of Flood Risk Assessment:

  •  A Level 1 FRA involves screening the development to see if a Level 2 FRA is needed.
  •  A Level 2 FRA involves a qualitative assessment of flood risks to the site.
  •  A Level 3 FRA involves a detailed quantitative assessment of flood risks to the site, which may include hydrological and hydraulic modelling

We as consultants, then write a report, which you submit to the Local Authority. Our tailored reports have been honed to ensure the highest level of successful application.

 

We hope you’ve enjoyed this article. For more information on Flood Risk Assessments, or to request a quote, visit our contact page:

 

 

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