Susanne Charlesworth SUDS Overview.pdf

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Retrofit Car parks: replace using porous materials, installinfiltration devices Green roofs and walls Trees: can reduce atmospheric-derived dusts. Plant inassociation with infiltration devices e.g. gravelsoakaways. Rainwater harvesting: Reduces storm water run off.Free/un-metered water for e.g. watering hangingbaskets, flushing toilets. Can reduce the use of mainswater by up to 50% (UK-RHA).
Limits to SUDSLand-takeDifficulty with retrofit of some installationsSUDS designed for specific circumstances e.g. 10-year, 60 minute storm e.g. treat runoff from 90% annual stormsPoor design, construction and maintenance (bollards through geotextile; ; hard drainageput in below PP; storage of building materials on PP; etc etc etc) Lack of experience in E & W: Reflected in lack of research: few long term monitoring studies Does it work? Where is the evidence???? Lack of communication between academia and practitioners Ownership… Treatment facility ≠ pristine ecosystem No one correct solution: in some situations conventional drainage e techniques (ormixture) is most sustainable option SUDS only one part of solution to urban drainage problems
Page 1 and 2: Sustainable DrainageDr Sue Charlesw
Page 3 and 4: Climate Change Annual summer rainfa
Page 5 and 6: Impacts of flooding on impermeables
Page 7 and 8: Mitigating the effects of urbanisat
Page 9 and 10: SUDS installations Above-ground / b
Page 11 and 12: Green walls/ roofsGreen roofs: reta
Page 13 and 14: Constructedwetlands:London
Page 16 and 17: Other sustainable approaches River
Page 20 and 21: Perceived barriers Green roofs / wa
Page 22 and 23: European wide Water Framework Direc
Page 24 and 25: More benefits Increased value ofhou
Page 26: Summary Urbanisation significantly

Susanne Charlesworth SUDS Overview.pdf

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