case study - sustainable drainage design and adoption guide with examples of schemes - simon bunn,...
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![Page 1: Case Study - Sustainable Drainage Design and Adoption Guide with examples of schemes - Simon Bunn, Cambridge City Council](https://reader033.vdocuments.net/reader033/viewer/2022052822/554ae0b0b4c905852a8b47cb/html5/thumbnails/1.jpg)
Cambridge City Council
The Cambridge Approach to
SuDS
Simon Bunn – Sustainable
Drainage Engineer
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Drivers:
Growth
Existing
Infrastructure
Elected
Members
Sustainability
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1 NIAB – 1593 homes
2 University – 3000 homes
+ 2000 bed student
accommodation
3 Trumpington Meadows –
1200 homes
4 Glebe Farm – 286
homes
5 Addenbrooks 20:20 –
medical research campus
creating 9000 jobs
6 Clay Farm – 2300 –
homes
7 Bell School – 347 homes
+ 100 bed student
accommodation
8 CB1 – 331 homes + 1250
bed student
accommodation
9 North East Cambridge
East Cambridge?
Orchard Park – 1120
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What is in the Guide?
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Landscape and urban design focused
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Cambridge specific and multi disciplinary
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What we will adopt and the process
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Principles of adoption
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Typical section – Ponds and wetlands
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On site verification
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Maintenance costs
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Adoption checklist
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Cambridge Design and Adoption Guide –
conclusions:
•Developers appreciate good guidance,
with clear requirements
•Good up front design promoted
•Landscape focused
•Multi-disciplinary teams encouraged
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SuDS Exemplars:
What can be achieved
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Cambourne, Cambridgeshire
• New residential development of 35 dwellings
• Two-year monitoring project – Interim results:
– In comparison to the control site the SUDS site shows significant
attenuation in flows and volumes following rainfall events
– The SUDS features act to delay discharge of water from the site
– The SUDS treatment train is acting to improve water quality; this is
illustrated through reductions in concentrations of a variety of
pollutants and other indicators.
– There are significantly higher concentrations of hydrocarbons at the
control site compared to the SUDS site.
– The SUDS features offer environmental benefits through a diverse
range of habitats.
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