Page 30 - Updated SuDS Design & Evaluation Guide-Newham V3 Spreads
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Concept Design  7.0   Design & Evaluation Stage 1 –                                                                      Concept Design for Holyoakes School, Robert Bray Associates                                            Holyoakes School


                                                                                                                                                                                                                                       SuDS Concept
                            Concept Design




           The Concept Design stage is critical for pre-application consultation, as it is
                                                                                                                                                                                                                                      key
           an opportunity to offer preliminary design ideas for discussion. It should give
                                                                                                                                                                                                                                                    French Drain
           an early indication of the type of approach being proposed for surface water
                                                                                                                                                                                                                                                    Low wall to be used as a seat and to
           management through the SuDS design.
                                                                                                                                                                                                                                                    retain  ows
                                                                                                                                                                                                                                          Concept Design
                                                                                                                                                                                                                                                    Storage underneath permeable
           7.1  Objectives of SuDS Concept Design                                                                                                                                                                                                   surfaces


           SuDS Concept Design is used to express                                                                                                                                                                                                    Green Roof
           initial ideas for the management of rainfall
           within a development. The Concept Design                                                                                                                                                                                                 Rain Garden
           plan and Preliminary Design Statement are                                                                                                                                                     Holyoakes School
           necessary for discussions with planners,                                                                                                                                                                                                 Swales and Basins/Pond
           regulatory bodies, water companies and                                                                                                                                                         SuDS Concept

           other stakeholders.                                                                                                                                                                                                                      Surface Channel
                                                                                                                                                                             Holyoakes School                                                       Piped Connection
                                                                                                                                                                                                         key
           7.2  Presentation of the Concept Design submission                                                                                                                 SuDS Concept                          French Drain                    Flow Control
  25                                                                                                                                                                                                                Low wall to be used as a seat and to   26   Outfall
                                                                                                                                                                                                                    retain  ows
           The Concept Design information will usually            Authority requirements.                                                                                                                           Storage underneath permeable
                                                                                                                                                                             key                                    surfaces                        Overhead Channels
           be presented in two parts:
                                                                  Key data and information will include:                                                                               French Drain
                                                                                                                                                                                                                    Green Roof                      Downpipe connection at surface
              ■  a plan with all aspects of the design that          ■                                                                                                                 Low wall to be used as a seat and to
                                                                                                                                                                                       retain  ows
               can be shown graphically, and                         data to inform the design, where relevant                                                                                                      Rain Garden                     Surface Flow
                                                                     e.g. maps of site context, outline river and                                                                      Storage underneath permeable
                                                                                                                                                                                       surfaces
                                                                                                                                                                                                                    Swales and Basins/Pond
              ■  a short SuDS design statement including             coastal flood risk, surface water flood risk,                                                                                        Holyoakes School                          SuDS Flow
                                                                                                                                                                                        Green Roof
               information such as hydraulic data that is            and ground water source protection                                                                                                    SuDS Concept
                                                                                                                                                                                                                    Surface Channel
               more easily described in words.                                                                                                                                         Rain Garden                  Piped Connection
                                                                     ■  a drawing to identify existing landscape                                                                                                    Flow Control
           The Concept Design will reflect the criteria              and habitat features that may influence                                                                           Swales and Basins/Pond  key
                                                                                                                                                                                                                    Outfall
                                                                                                                                                                                                                  French Drain
           and performance parameters set out in the                 SuDS proposals                                                                                                    Surface Channel            Low wall to be used as a seat and to
                                                                                                                                                                                                                    Overhead Channels
                                                                                                                                                                                                                  retain  ows
           Surface Water Management Strategy and                     ■                                                                                                                 Piped Connection           Storage underneath permeable
                                                                                                                                                                                                                    Downpipe connection at surface
                                                                                                                                                                                                                  surfaces
                                                                                                                                                                                       Flow Control
           Flood Risk Assessment for the development,                information on utility services, as these                                         Outfall to                      Flow Control                Green Roof  N
                                                                                                                                                                                                                    Surface Flow
                                                                                                                                                                                                                   Surface Flow
                                                                     may fundamentally affect the SuDS
                                                                                                                                                                                       Outfall
           where these are present. It will also meet the                                                                                             Red Ditch                        Outfall                      SuDS Flow
                                                                     design, particularly on previously                                                                                Overhead Channels          Rain Garden
                                                                                                                                                                                                                    SuDS Flow
           Non-Statutory Technical Standards, Planning               developed land or in retrofit schemes                                                                             Overhead Channels          Swales and Basins/Pond
                                                                                                                                                                                                                    SuDS Basin
                                                                                                                                                                                       Downpipe to
           Policy Framework (paragraphs 100, 103 and                                                                                                                                   Downpipe connection at surface  Surface Channel
                                                                                                                                                                                       Channel
                                                                                                                                                                                                                    Piped Connection
           109 - current at time of writing) and Local               ■  a contour plan using the best source of                                                                        Surface Flow               Surface Channel
                                                                                                                                                                                                                  Piped Connection
                                                                     topographical information available.                                                                              SuDS Flow                  Flow Control
                                                                                                                                                                                                     N            Outfall
                                                                                                                                                                                                                  Overhead Channels
           Newham Council SuDS D & E Guide                                                                        © 2020 McCloy Consulting & Robert Bray Associates  Newham Council SuDS D & E Guide                                                                        © 2020 McCloy Consulting & Robert Bray Associates
                                                                                                                                                                                                                  Downpipe connection at surface
                                                                                                                                                                                                                  Surface Flow
                                                                                                                                                                                                                  SuDS Flow
                                                                                                                                                                        N
                                                                                                                                                                                                       N
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