Page 74 - Lewisham SuDS DESIGN & EVALUATION

Detailed Design 9.3 Typical Detailed Design package

The Detailed Design package should be
proportionate to the scale of the
development and will generally encompass a
design statement with accompanying

drawings. Supporting information including
calculations, maintenance plan and risk
assessment will also be required.

9.3.1 SuDS Design Statement

The SuDS Design Statement should cover ■ outline how requirements of NPPF, NSTS,
SuDS provisions on quantity, quality, amenity local SuDS policies, requirements for
and biodiversity and how opportunities multi-functional use of SuDS space and
provided by the site have been maximised local objectives for sustainability including
along with addressing the following: climate resilience are dealt with

■ confirm drainage design criteria agreed ■ explain how SuDS will function passively
with LPA. For example, rainfall return in terms of treatment and management
periods, discharge allowance, traffic
loading requirements etc ■ outline details of any offsite works
69 ■ summarise the findings of the FRA and required, together with any necessary
consents.
highlight any other significant site

constraints

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