Page 31 - Updated SuDS Design & Evaluation Guide-Newham V3 Spreads
P. 31

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
   26   27   28   29   30   31   32   33   34   35   36