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*Bottom width between 0.6 - 2.4 m
*Bottom width between 0.6 - 2.4 m
*Minimum length 30 m
*Minimum length 30 m
Maximum depth of flow
Maximum depth of flow:
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{{plainlist|
*50% height of grass for regularly mown swales, to maximum of 75 mm.
*50% height of grass for regularly mown swales, to maximum of 75 mm.