Title Page
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Developer
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Location
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Assessed by
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Conducted on
Site-specific Flood Risk Assessment
1 - Development site and location
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Where is the development site located?
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What is the current use of the site?
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Specify:
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REFERENCE: UK's flood map for planning
[This is an example of how you can use iAuditor to include best practice reference images in your checklists to assist with assessments] -
Which Flood Zone is the site within?
- Zone 1 Low Probability
- Zone 2 Medium Probability
- Zone 3a High Probability
- Zone 3b The Functional Floodplain
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Land having a less than 1 in 1,000 annual probability of river or sea flooding. (Shown as ‘clear’ on the Flood Map – all land outside Zones 2 and 3)
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Land having between a 1 in 100 and 1 in 1,000 annual probability of river flooding; or land having between a 1 in 200 and 1 in 1,000 annual probability of sea flooding. (Land shown in light blue on the Flood Map)
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Land having a 1 in 100 or greater annual probability of river flooding; or Land having a 1 in 200 or greater annual probability of sea flooding.(Land shown in dark blue on the Flood Map)
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This zone comprises land where water has to flow or be stored in times of flood. Local planning authorities should identify in their Strategic Flood Risk Assessments areas of functional floodplain and its boundaries accordingly, in agreement with the Environment Agency. (Not separately distinguished from Zone 3a on the Flood Map)
3 - Sequential test
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Have you considered other locations with a lower risk of flooding for the proposed development?
Location
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Where is the other location?
Reason
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Explain:
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As well as flood risk from rivers or the sea, have you taken account of the risk from any other sources of flooding in selecting the location for the development?
8 - Exception test
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Would the proposed development provide wider sustainability benefits to the community?
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Could these benefits be considered to outweigh the flood risk to and from the proposed development?
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How can it be demonstrated that the proposed development will remain safe over its lifetime without increasing flood risk elsewhere?
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Take/attach relevant photos.
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Will it be possible to for the development to reduce flood risk overall (e.g. through the provision of improved drainage)?
2 - Development proposals
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Attach development proposal(s) for this site.
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Will this involve a change of use of the site?
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What will that change be?
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In terms of vulnerability to flooding, what is the vulnerability classification of the proposed development?
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4 - Climate Change
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How is flood risk at the site likely to be affected by climate change?
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Take/attach photos (optional)
5 - Site specific flood risk
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What is/ are the main source(s) of flood risk to the site?
- Fluvial
- Coastal
- Canals
- Groundwater
- Reservoirs and Water bodies
- Pluvial Runoff
- Sewers
- Effect of Development on Wider Catchment
- Others:
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Specify:
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Are you aware of any other sources of flooding that may affect the site?
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What is the expected depth and level for the design flood?
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Are properties expected to flood internally in the design flood and to what depth?
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Will the development be made safe from flooding and the impacts of climate change, for its lifetime?
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How?
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Will you ensure that the development and any measures to protect the site from flooding will not cause any increase in flood risk off-site and elsewhere?
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How?
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Are there any opportunities offered by the development to reduce the causes and impacts of flooding?
6 - Surface water management
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What are the existing surface water drainage arrangements for the site?
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Take/attach photos relevant to arrangements.
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What (approximately) are the existing rates and volumes of surface water run-off generated by the site?
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What are the proposals for managing and discharging surface water from the site, including any measures for restricting discharge rates?
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Take/attach photos relevant to proposals.
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Will you prevent run-off from the completed development causing an impact elsewhere?
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How?
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What are the plans for the ongoing operation and/or maintenance of the surface water drainage systems?
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Take/attach photos relevant to plans.
7 - Occupants and users of the development
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Will the development proposals increase the overall number of occupants and/or people using the building or land, compared with the current use?
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By approximately how many will the number(s) increase?
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Will the proposals change the nature or times of occupation or use, such that it may affect the degree of flood risk to these people?
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Describe the extent of the change.
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Are you able to demonstrate how the occupants and users that may be more vulnerable to the impact of flooding (e.g. residents who will sleep in the building; people with health or mobility issues, etc.) will be located primarily in the parts of the building and site that are at lowest risk of flooding?
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What are the overriding reasons why this approach is not being followed?
9 - Residual risk
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What flood related risks will remain after the flood risk management and mitigation measures have been implemented?
- Fluvial
- Coastal
- Canals
- Groundwater
- Reservoirs and Water bodies
- Pluvial Runoff
- Sewers
- Effect of Development on Wider Catchment
- Others:
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How and by whom will these risks be managed over the lifetime of the development?
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Take/attach photos relevant to flood warning and evacuation plans.
10 - Flood risk assessment credentials
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Who has undertaken the flood risk assessment?
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When was the flood risk assessment completed?
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Take/attach photo evidence of FRA completion.
Completion
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Other Considerations
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Assessor's Name and Signature
