8,255
edits
Changes
Jump to navigation
Jump to search
Line 39:
Line 39: − +
→Planning Considerations
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==