Difference between revisions of "Check dams"
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*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. | ||
*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.} | ||
Revision as of 01:11, 19 September 2017
{Plain list|1=
- 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.
- 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.
- Where check dams are used, the maximum design depth of ponded water must be 0.5 m.}