Rainfall and Runoff Calculator Spreadsheet
With this spreadsheet you can;
- Calculate runoff for developments in accordance with the Wallingford Procedure in accordance with BS EN 16933-2
- Calculate Greenfield runoff rates in accordance with IH 124
- Calculate runoff rates for simple catchments in accordance with BS EN 752
With catchment information for 250 UK towns and cities and detailed guidance included for every variable this spreadsheet will allow you to complete complex runoff calculations in accordance with national standards and planning requirements in minutes
Comprehensive design information on these runoff calculation methods are included in our Surface Runoff Design Pages.
Get the full license version now for only £20. This includes;
- Full Rainfall & Runoff Calculator with all inputs available
- Free 44 Page Ultimate User Guide. This includes detailed information and typical values for all the required inputs and an explanation of the design standards and principles used in the spreadsheet.
- Free Time of Concentration calculation tool
- Free WRAP & HOST Soil Index Value calculation tool
All purchases are covered by our full money back guarantee.
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