More Picture Of How To Design Drainage Ditch Free Download. Select the type of ditch section V or trapezoid 3. How to Make a Natural Drainage Ditch.
Dig a trench that is 18 inches deep and 912 inches wide. Determine the roadway subgrade elevation to ensure. How to Make a Natural Drainage Ditch.
As in the design of grassed waterways and irrigation channels in case of drainage ditches also a free board is provided to the designed depth.
Clear away the rocks stumps and vegetation in the path of your planned ditch. Lay your perforated drain pipe in the trench cover with an additional 3 inches of gravel and cover the drainage ditch with rocks soil or stones. Remove grass plants and vegetation from the path of the drainage ditch. This measure is needed in the event your aim is to plant pot of this ditch.