Changes

*Check dams usually consist of crushed rock gabions, or pre-treated timber up to 0.6 m in height.  

*Check dams usually consist of crushed rock gabions, or pre-treated timber up to 0.6 m in height.  

*Rocks used in check dams should have median diameter 25-75 mm.  

*Rocks used in check dams should have median diameter 25-75 mm.  

*The spacing of dams should not exceed the horizontal distance from the toe of the upstream dam to the same elevation on the downstream dam.  

*The spacing of dams should not exceed the horizontal distance from the toe of the upstream dam to the same elevation on the downstream dam. See: Sizing 

*Where check dams are used, the maximum design depth of ponded water must be 0.5 m.}}

*Where check dams are used, the maximum design depth of ponded water must be 0.5 m.}}

{{:Check dams: Sizing}}

{{:Check dams: Sizing}}