Special Public Works Programmes - SPWP - Anti-Erosion Ditches - Training Element and Technical Guide for SPWP Workers, Booklet No. 1 (ILO

Special Public Works Programmes - SPWP - Anti-Erosion Ditches - Training Element and Technical Guide for SPWP Workers, Booklet No. 1 (ILO - UNDP, 84 p.)

5. Procedure

		5.1 Site selection
		5.2 Siting of the ditches
		5.3 Plotting the dimensions of the ditch
		5.4 Preparing the surface soil of the ditch site
		5.5 Excavating the ditch
		5.6 Checking the dimensions of the ditch
		5.7 Constructing the retaining banks
		5.8 Checking that the retaining banks are horizontal
		5.9 Improving the waterways
		5.10 Protecting the slopes