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Line 31:
Line 31: − {|class="wikitable"+ − |+ Slope variations+ − |- + − |< 2 %||Use underdrain to distribute water for infiltration+ − |-+ − |2 - 5 %||Design swale for surface flow, consider check dams+ − |-+ − ||5 %||Check dams required to reduce effective slope to 2 – 3 % + − |}
→Design
*Minimum length 30 m
*Minimum length 30 m
===Adding check dams===
To calculate the spaing and sizing of check dams, see [[Check dams: Sizing]]
Maximum depth of flow
Maximum depth of flow