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ABSTRACT
The existing drainage systems consider storm water as a waste product and its main focus is on collecting the runoff from urban catchments as quickly as possible and discharging it into the nearby outlets. These traditional drainage systems cannot consider important utilisation of storm water. Therefore, a decentralised storm water management option, known as, Water Sensitive Urban Design (WSUD) technologies, can be implemented in the urban catchments to minimise the negative hydrological impacts due to urbanisation. Hydraulic designs of three different types of infiltration-based WSUD technologies (leaky wells, soakaways and infiltration trenches) were designed for South Australian contexts. Modelling equations to estimate optimum numbering of infiltration systems were developed using SPSS and six different independent variables, such as soil hydraulic conductivity, size of the device, average recurrence interval of rainfall events, critical storm duration, rainfall intensity and roof size, were considered. The developed modelling equations were statistically significant and were applied in the real-case scenarios of South Australian catchments.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Notes on contributors
Faisal Ahammed
Dr Faisal Ahammed is a Senior Lecturer and Program Director of Civil Engineering Postgraduate Program at the University of South Australia (UniSA). He completed BSc Civil Engineering and Master of Advanced Engineering Management degree from Bangladesh University of Engineering and Technology in 2002 and 2009 respectively. He completed his PhD degree on Water Engineering from UniSA in 2014. He obtained several fellowships in his career including Early Career Development Fellowship and Endeavour Fellowship.
George Rohita Sara
George Rohita Sara completed her Master of Engineering (Civil and Infrastructure) degree from the University of South Australia in December 2018.
Hii Paul Kai
Hii Paul Kai completed his Master of Engineering (Civil and Infrastructure) degree from the University of South Australia in December 2018.
Li Yan
Li Yan completed her Master of Engineering (Civil and Infrastructure) degree from the University of South Australia in December 2018.