The storage section calculates the excess volume to be stored for a given storm and a given discharge rate. Data is entered into the screen below:-
The system is surcharged over a period of time, and the greatest excess volume is recorded. The graphical display below shows the total accumulated volume - the red line shows the maximum. Results are displayed on the screen:-
A log. storage graph can be produced, giving storage volume for the system with different storm return periods:-
Once a system has been sized, the area/time diagram can be drawn:-
