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Swales: TTT

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It is recommended that grass and [[enhanced grass swales]] be modelled using the 'Swale' element in the TTT. A 'swale' has to connect two existing elements within the TTT
For detailed scenarios of enhanced swales, the weir element can be incorporated for checkdamseach checkdam. At this time the weirs are seperate separate elements which , that must be placed within several distinct swales along a single reach.[[Bioswales]] or dry swales, which have amended filter media, should be modelled as [[Bioretention: TTT|bioretention cells]].
The alternative is to use the 'enhanced swale' within the LID toolbox, but this incorporates fewer design parameters (and also excludes check dams).
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