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In December 2007 Gloucestershire County Council, in partnership with the six district authorities, commissioned Halcrow to produce a Level 1 Strategic Flood Risk Assessment (SFRA), as recommended by Planning Policy Statement 25 (PPS25). The Level 1 SFRA covers the geographical areas of each of the authorities involved.
The aim of the SFRA Level 1 is to map all forms of flood risk and use this as an evidence base to locate new development primarily in low flood risk areas (Zone 1). Areas of 'low' (Zone 1), 'medium' (Zone 2) and 'high' (Zone 3) risk are mapped using data from a variety of sources, including the Environment Agency (Midlands and Thames regions), Gloucestershire Highways, Severn Trent, British Waterways and the district councils.
Further information and links to SFRA reports and maps are provided on the Gloucestershire County Council SFRA webpages|.
If you have any questions please contact the JCS team|.
A Level 2 Strategic Flood Risk Assessment was commissioned by the Joint Core Strategy authorities in April 2010 and published in October 2011. This provides a more detailed assessment of areas which have been identified as potential development locations and it uses the information from SFRA Level 1 to determine which areas require a further assessment of flood risk.
The various elements of the SFRA can be downloaded by clicking on the links below. Please note that some of the PDF documents are large and may take some time to download.
- Strategic Flood Risk Assessment Level 2 - Executive Summary|
- Strategic Flood Risk Assessment Level 2 - main text|
- Appendix A| - site plans and assessments
- Appendix B| - sequential test process
- Appendix C| - modelling technical notes
- Appendix D| - hydraulic modelling table
- Appendix E| - environment agency response letter to SFRA Level 2
- Maps - Flood Extent maps| - Flood Hazard Maps| - Blockage Maps| - Guide to using layered maps|
- Sustainable Drainage Systems Report - main text| & Appendix A - SUDS Flow Diagrams |- SUDS maps|
A further Level 2 Strategic Flood Risk Assessment was commissioned by the Joint Core Strategy authorities in 2012 and published in early 2013. This additional work covered other areas which have also been identified as potential development locations.
Strategic Flood Risk Assessment Level 2 - Additional Assessments|
Appendix A Site Assessments Gloucester - Site G2| - Site G3| - Site G8a| - Site G8b| - Site G9|
Appendix B Site Assessment Tewkesbury - Site T2| - Site T3|
Appendix C Site Assessments Cheltenham - Site C5| - Site C6|
Appendix D Modelling Reports - Site C6 tributary of Ham Brook| - Site T2 Carrant Brook| - Site G8a River Leadon| - Site C5 Hatherley Brook and River Chelt| - Site G3 & G9 Horsbere Brook and Innsworth Drain| - Site G8b Long Brook| - Site G2 Normans Brook, Hatherley Brook| - Site T2 & T3 Tirle Brook|
Appendix E Flood Maps - Site C5 blockage scenario Meadow Close road bridge| - Site C5 blockage scenario Fiddler’s Farm access bridge| - Site C5 flood extent| - Site C5 flood hazard| - Site C5 surface water flood risk| - Site C6 surface water flood risk| - Site G2 flood hazard blockage scenario| - Site G2 flood extent| - Site G2 flood hazard| - Site G2 surface water flood risk|
- Site G3 flood hazard blockage scenario| - Site G3 flood hazard breach scenario 1| - Site G3 flood hazard breach scenario 2| - Site G3 flood extent| - Site G3 flood hazard| - Site G3 surface water flood risk|
- Site G8a flood extent| - Site G8a flood zones| - Site G8a surface water flood risk| - Site G8b flood hazard blockage scenario| - Site G8b flood extent| - Site G8b flood hazard| - Site G8b surface water flood risk|
- Site G9 flood hazard blockage scenario| - Site G9 flood hazard breach scenario 1| - Site G9 flood hazard breach scenario 2| - Site G9 flood extent| - Site G9 flood hazard| - Site G9 surface water flood risk|
- Site T2 flood hazard blockage scenario| - Site T2 flood extent| - Site T2 flood hazard| - Site T2 surface water flood risk|
- Site T3 flood hazard blockage scenario| - Site T3 flood extent| - Site T3 flood hazard| - Site T3 surface water flood risk|
- Environment Agency response letter to SFRA Level 2 additional sites|
- Presentation of findings given at Tewkesbury Council on November 29th 2012|
- Presentation of findings given at Gloucester City Museum on 29th January 2013|