Page 79 - Bexley SuDS DESIGN & EVALUATION
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Responsibility
Deliverable Key design points Key evaluation points
to check
hydraulic Drawings should confirm Sensibility check to be LLFA
calulations & volumes provided and refer back performed to ensure that
drawing to hydraulic analysis sufficient storage is provided to Detailed Design
volumes requirements. Drawings meet hydraulic calculations.
references / annotations should
match
clearly relate to calculations.
Designers To consider construction, Demonstrate safe design for LPA & LLFA
hazard & risk maintenance / operation by users and operatives of the
assessment. personnel and day to day site scheme.
use by public.
Long sections Cross sections should not use Review in general, side slopes LPA & LLFA
and cross exaggerated vertical scales to and depths shown.
sections allow proper understanding of
how scheme will actually look
Planting Outline any SuDS specific Ensure plants from accredited LPA & LLFA
design & planting requirements. source to minimise risk of
schedule invasive species.
Landscape Integrate SuDS within the wider Check that the SuDS network is LPA & LLFA
design landscape design accessible, multifunctional and
drawings contributes to the overall
landscape quality.
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Consents & Vary and can include: discharge Check that relevant consents are LPA & LLFA &
permits consents; offsite works & 3rd in place or can be obtained in EA & IDB &
party access consent. The list of principle. WASC
required consents may be initially
defined at pre-app discussion.
Maintenance Key plan (1 side of A4) detailing Maintenance type & cost is LPA & LLFA
the maintenance regime and appropriate & proportionate and
identifying key maintenance features are easily accessible.
locations such as outlets and Design achieves passive
flow control locations. maintenance where possible.
Adoption Confirmation of commitment to Review that sufficient safeguards LPA, LLFA,
arrangements adopt aspects of the scheme are in place for the long term WaSC &
being offered for adoption. maintenance and operation of Highways & IDB
Confirmation of ownership and the drainage. Consider the & WASC
maintenance responsibilities for potential impact of replacement
all parts of the SuDS scheme of propriety products.
which are not being adopted.
London Borough of Bexley SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates
