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Construction, operations and maintenance
==Construction, operations and maintenance==
[[Image:CementCheckDam.jpg|thumb|right|300px|]]
[[Image:WoodenCheckDam.jpg|thumb|right|300px|Cross section of wooden check dam. Overtop "pour spout" must be included.]]
The sides of the check dam must be higher than the centre so that water is always directed over the centre of the dam (this avoids the dam being outflanked by the flow).
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