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Modified Flow Routes
key
Step 2 – Modified Flow Route analysis Holyoakes School
Proposed hard surfaces

Proposed soft surfaces
The modified flow route analysis is the basis Once the modified flow routes have
Proposed trees
for low flow conveyance through the site, demonstrated that runoff can flow
overflow arrangements and exceedance predictably through the site, the arrangement Concept Design
Proposed contours
routes when design criteria are exceeded. of runoff collection, source control, site
control, regional control, conveyance, storage
Surface ow
and final release from site can be designed.
Roof runo
Modified Flow Route
Modi ed ow routes Holyoakes School
Modified Flow Routes

key
Proposed hard surfaces

Proposed soft surfaces

Proposed trees

Proposed contours

Surface ow
30
Roof runo

Modi ed ow routes

Proposed
discharge to
existing ditch

Modified Flow Route Analysis for Holyoakes School, Robert Bray Associates.

The Royal Borough of Kensington & Chelsea SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates