Effectiveness of ABC Waters Design Features for Runoff Quantity Control in Urban Singapore
AbstractActive, Beautiful, Clean Waters (ABC Waters) design features—natural systems consisting of plants and soil that detain and treat rainwater runoff—comprise a major part of Sustainable urban Drainage Systems (SuDS) in Singapore. Although it is generally accepted that ABC Waters design features are able to detain runoff and reduce peak flow, their effectiveness in doing so has not been studied or documented locally. This research aims to determine their effectiveness in reducing peak flow based on a newly constructed pilot precinct named Waterway Ridges. Four types of ABC Waters features have been integrated holistically within the development, and designed innovatively to allow the precinct to achieve an effective C-value of 0.55 for the 10-year design storm; the precinct-wide integration and implemented design with the aim of substantially reducing peak flow are firsts in Singapore. The study is based on results from an uncalibrated 1D hydraulic model developed using the Storm Water Management Model (SWMM). Identification of key design elements and performance enhancement of the features via optimisation were also studied. Results show that the features are effective in reducing peak flow for the 10-year design storm, by 33%, and allowed the precinct to achieve an effective C-value of 0.60. View Full-Text
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Yau, W.K.; Radhakrishnan, M.; Liong, S.-Y.; Zevenbergen, C.; Pathirana, A. Effectiveness of ABC Waters Design Features for Runoff Quantity Control in Urban Singapore. Water 2017, 9, 577.
Yau WK, Radhakrishnan M, Liong S-Y, Zevenbergen C, Pathirana A. Effectiveness of ABC Waters Design Features for Runoff Quantity Control in Urban Singapore. Water. 2017; 9(8):577.Chicago/Turabian Style
Yau, Wing K.; Radhakrishnan, Mohanasundar; Liong, Shie-Yui; Zevenbergen, Chris; Pathirana, Assela. 2017. "Effectiveness of ABC Waters Design Features for Runoff Quantity Control in Urban Singapore." Water 9, no. 8: 577.
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