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Swales
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Revision as of 18:29, 27 September 2017
44 bytes added
,
7 years ago
→Planning Considerations
Line 38:
Line 38:
Swales may be graded along longitudinal slopes between 0.5 - 6 %:
Swales may be graded along longitudinal slopes between 0.5 - 6 %:
−
*
Check
dams are
required on slopes > 3
%.
+
*
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 weir.
Jenny Hill
8,255
edits
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