Page 30 - Newham SuDS DESIGN & EVALUATION GUIDE

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
Flood Risk Assessment for the development, information on utility services, as these Outfall to Flow Control Green Roof N
Flow Control
Surface Flow
Surface Flow
may fundamentally affect the SuDS
Outfall
where these are present. It will also meet the Red Ditch Outfall SuDS Flow
SuDS Flow
design, particularly on previously Overhead Channels Rain Garden
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 Surface Channel
Piped Connection
109 - current at time of writing) and Local ■ a contour plan using the best source of Surface Flow Piped Connection
topographical information available. SuDS Flow Flow Control
N Outfall
Overhead Channels
London Borough of Newham SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates London Borough of Newham SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates
Downpipe connection at surface
Surface Flow
SuDS Flow
N
N