WebHow to use the tool? The tool is available as an excel spreadsheet, which all registered users can download and saved locally for free. Once saved locally, the tool is only valid for 19 days. After that, you will need to download the spreadsheet again from this website. Important note The spreadsheet does not work on a Mac. WebUse the Wetec Rainwater Calculator to find out how much water you can harvest and save every month based on your location & size of your roof. Give us a call on +27 11 708 …
Institute of Hydrology Report 124 - CivilWeb Spreadsheets
WebMar 24, 2024 · 5 litres (l) second (s) / hectare (Ha) This means that if your site is 1,000m2 (or 0.1ha) then the runoff rate for your site is 5 x 0.1 = 0.5 l/s. The greenfield runoff rate is the rate expected on an undeveloped site and is the base that needs to be maintained after site development. WebRunoff Calculator Spreadsheet Attenuation Design Spreadsheet Soakaway Design Spreadsheet This spreadsheet calculates the requirements for a soakaway system and assists the user to design a suitable system. Full Drainage Design Suite Full drainage design suite (50% Discount) including 7 spreadsheets; Colebrook White Pipe Design … timothy gumm twitter
Rational Method - CivilWeb Drainage Design Spreadsheets
WebCalculate the cost to drive between destinations in South Africa based on toll gates, distance and your car's fuel economy. WebThe CivilWeb Rainfall & Runoff Calculator suite includes a rational method excel spreadsheet which can be used to quickly complete the required stormwater runoff calculations. The spreadsheet plus the User Guide allows the user to design simple and accurate runoff calculations for any location in the UK for a number of common return … WebGreen Roof Runoff Method Time of Concentration Time Of Concentration Calculator Friend's Equation Alameda Method Bransby Williams Method Izzard's Formula Kerby's Equation Kinematic Wave Kirpich's Equation US Federal Aviation Authority TR-55 Methods SCS Curve Number Calculator Santa Barbara Urban Hydrograph Time Area Diagram … parr arms facebook