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A flow control generally defines the Concept Design drawings should identify
downstream end of a sub-catchment, with sub-catchment boundaries with associated
the flow control situated at the lowest storage and flow control locations
topographical point within the sub- throughout the development. Concept Design
catchment in locations that are accessible for
inspection and maintenance.
Flow control with
contolled discharge
from one catchment to
the next
C1
C2
C3
36
C4
Sub-catchments are generally defined by flow
controls. Flows are conveyed from one sub-
catchment to the next.
Design Note:
Integrating storage within sub-catchments, as part of site layout, greatly reduces the land
take requirement for attenuation, by exploiting the inherent storage capacity of individual
SuDS features.
The Royal Borough of Kensington & Chelsea SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates
