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