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Check dams

2 bytes added, 1 year ago
m
Example Calculation
As the foundation depth is increased, the total height of the check dam (effective height plus foundation depth) should not exceed the permissible, maximum total height.
===Example Calculation===
An enhanced swale of 42 m has an existing longitudinal slope of 6 %. The underlying soil has been amended to infiltrate at 16 mm/hr (after safety correction applied); the regulatory authority requires that ponded water must not remain for over 48 hours.
The maximum height of the check dams (h) to prevent extended ponding is::

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