To calculate the volume of water that needs to be stored, multiply the amount of runoff from each drainage zone by 15. The runoff for each zone was in gallons ... |
The runoff equation is Q = C*I*A/3600. Where Q is L/s: I is mm/hr; A is sqm. To use this in the program without paying me any money, make the Area equal 3600, ... |
Оценка 5,0  (1) The total flow rate is then multiplied by the number of houses to size the pipe diameter using a flow rate graph. |
The square footage of a building, the area, can be found by multiplying its length times its width, A=L x W. |
The Prinsco Drainage Calculator estimates the capacity of tile drainage systems. A particular pipe size on a given grade will only carry a certain amount of ... |
This program is a simple stormwater pipe size calculation designed to be useful in the majority of small building sites. |
Enter your Zip Code, Choose the Rainfall Frequency, 1 Year, 2 Years, 5 Years, 10 Years, 25 Years, 50 Years, 100 Years, 500 Years, 1000 Years. |
Measuring the area to be drained is as simple as calculating the square footage of the area · The percentage of runoff expected from established surface types is ... |
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