Retrofit of Sustainable Urban Drainage (SUDS) in CBD for improved flood mitigation

Wilkinson, S; Proverbs, D; Lamond, J; Rose, C

Retrofit of Sustainable Urban Drainage (SUDS) in CBD for improved flood mitigation

Wilkinson, S

Proverbs, D Lamond, J Rose, C

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Publisher:: Royal Institution of Chartered Surveyors
Publication Type:: Report
Citation:: 2014, pp. 1 - 56
Issue Date:: 2014-12-04

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	19804 RICS SUSTAINABLE URBAN DRAINAGE_161214_dwl_pc.pdf	Published version	11.58 MB	Adobe PDF	View/Open

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Field	Value	Language
dc.contributor.author	Wilkinson, S https://orcid.org/0000-0001-9266-1858	en_US
dc.contributor.author	Proverbs, D	en_US
dc.contributor.author	Lamond, J	en_US
dc.contributor.author	Rose, C	en_US
dc.date.issued	2014-12-04	en_US
dc.identifier.citation	2014, pp. 1 - 56	en_US
dc.identifier.uri	http://hdl.handle.net/10453/36660
dc.description.abstract	Flood damage was estimated to cost A$20bn in Australia in 2011 and in 2007 in England flooding cost businesses £0.75bn. Surface water flash flooding has been driven by higher incidence of intense pluvial events; the lack of permeability in high-density areas; and the inadequacy of Central Business District drainage systems constructed to cope with different weather patterns and buildings. In the light of future uncertainties, continued reliance on piped drainage systems is creating unsustainable demands for ever-greater capacity, or the creation of underground storage facilities. As an alternative to expanding the existing grey infrastructure Water Sensitive Urban Drainage (SUDS) in are being advocated and legislated for. This research examined the potential for mitigation of pluvial flooding in CBDs through retrofitting of WSUDS. Two case study areas explored the challenges and opportunities for retrofit of WSUDS in cities with varying climate zones, urban design and governmental regimes. The contribution is to provide empirical data and knowledge in the emerging area of retrofit of WSUDS and provide material to build capacity to contribute to improved drainage and flood mitigation for commercial property. Software was developed to model the Bureau of Meteorology data of actual flood events. The significance of this research is that it shows that retrofit is sometimes needed outside flooded areas. It was shown that stormwater flooding can be slowed significantly by wide-scale retrofit and that policy makers could save money and disruption to city inhabitants through adoption. It provides a framework for others to follow to examine retrofit potential in their cities.	en_US
dc.format	Paper report, online report	en_US
dc.publisher	Royal Institution of Chartered Surveyors	en_US
dc.title	Retrofit of Sustainable Urban Drainage (SUDS) in CBD for improved flood mitigation	en_US
dc.type	Report
utslib.location	London UK	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/e-Press
pubs.organisational-group	/University of Technology Sydney/Faculty of Design, Architecture and Building
pubs.organisational-group	/University of Technology Sydney/Faculty of Design, Architecture and Building/School of Built Environment
pubs.organisational-group	/University of Technology Sydney/Strength - CCDP - Contemporary Design Practice
utslib.copyright.status	closed_access
pubs.commissioning-body	Royal Institution of Chartered Surveyors	en_US
pubs.confidential	false	en_US
pubs.place-of-publication	London UK	en_US
pubs.publication-status	Published	en_US

Abstract:

Flood damage was estimated to cost A$20bn in Australia in 2011 and in 2007 in England flooding cost businesses £0.75bn. Surface water flash flooding has been driven by higher incidence of intense pluvial events; the lack of permeability in high-density areas; and the inadequacy of Central Business District drainage systems constructed to cope with different weather patterns and buildings. In the light of future uncertainties, continued reliance on piped drainage systems is creating unsustainable demands for ever-greater capacity, or the creation of underground storage facilities. As an alternative to expanding the existing grey infrastructure Water Sensitive Urban Drainage (SUDS) in are being advocated and legislated for. This research examined the potential for mitigation of pluvial flooding in CBDs through retrofitting of WSUDS. Two case study areas explored the challenges and opportunities for retrofit of WSUDS in cities with varying climate zones, urban design and governmental regimes. The contribution is to provide empirical data and knowledge in the emerging area of retrofit of WSUDS and provide material to build capacity to contribute to improved drainage and flood mitigation for commercial property. Software was developed to model the Bureau of Meteorology data of actual flood events. The significance of this research is that it shows that retrofit is sometimes needed outside flooded areas. It was shown that stormwater flooding can be slowed significantly by wide-scale retrofit and that policy makers could save money and disruption to city inhabitants through adoption. It provides a framework for others to follow to examine retrofit potential in their cities.

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http://hdl.handle.net/10453/36660