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Swales
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Revision as of 18:29, 27 September 2017
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7 years ago
→Planning Considerations
Line 39:
Line 39:
Swales may be graded along longitudinal slopes between 0.5 - 6 %:
Swales may be graded along longitudinal slopes between 0.5 - 6 %:
*Between 1 - 6 %, check dams are recommended to bring the compensation gradient <1 %.
*Between 1 - 6 %, check dams are recommended to bring the compensation gradient <1 %.
*Slopes > 6% can accommodate a series of stepped [[bioretention cells]], each overflowing into the next with a
weir
.
*Slopes > 6% can accommodate a series of stepped [[bioretention cells]], each overflowing into the next with a
spillway
.
==Design==
==Design==
Jenny Hill
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