Page 44 - Lewisham SuDS DESIGN & EVALUATION
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Concept Design  7.4.8   Method of discharge – how rainfall leaves the site

                                                                  1.
           Rainfall should not discharge into the foul
                                                                         re-use on site
           sewer.
                                                                  2.
                                                                         infiltration into the ground
           The way that rainfall leaves a development
                                                                         a natural watercourse
                                                                  3.
           should follow the preferred hierarchy:
                                                                  4.
                                                                         surface water sewer
                                                                         combined sewer.
                                                                  5.












                                                                   The final swale at Bewdley School is a colourful
                                                                              outfall into the existing watercourse.










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           Lewisham Council SuDS D & E Guide                                                                       © 2018 McCloy Consulting & Robert Bray Associates
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