Drainage Calculations

Perform Drainage Calculations on Pipes, and Channels based on Mannings Equation. Enter Width, Height, and Slope to Solve for Channel Flow. Great for any Hydrology Engineer.

These functions, and others, are also featured in "Civil Calculations". In addition to these Drainage functions, it also contains Traverse functions, vertical Curves, Angles, Area calcs, and other functions coming soon.

Mannings Pipe Flow
+Calculate Discharge
+Calculate Pipe Size
+Calculate Wet Perimeter

Channel Flow
+Calculate Discharge
+Approximate Free-Board
+Check Rectangular, Trapezoidal, and V-Ditch Sections

Please let me know of any other feature requests. I will continue to update this with any ideas that I receive (Website or App Store comments). Any updates or requests regarding Drainage will be included in this app. Any Civil related requests will be included in Civil Calculations.