AY1516G15 – “Repurposing surface run-off around NUS using Bioswales?”

Chin Jun Tian (FoE/CHE1), Khoo Chong Wee (FASS/ARS1), Leong Jia Qi Elsa (FoE/CHE1), Tran Thuy Linh (FoS/PMC1)

Academic Advisor: Sadaf Ansari | Student Fellow: Nicholas Tan

Due to Singapore’s tropical climate, heavy rainfalls occur frequently resulting in flash floods. The implementation of Bioswales would slow down surface runoff to the drainage systems, hence reducing flash floods. Bioswales are suitable for NUS due to its undulating contour. They also contribute to the campus’ green space through functional and aesthetic means considering the campus’ proximity to Kent Ridge and Bukit Timah nature reserves. We aim to produce guidelines for building Bioswales with details such as the structural design, composition of the soil and the types of plants used. We also propose a retention tank to utilize the stored water for irrigation.  Our guidelines will be based on the studies of existing Bioswales in NUS. We would also identify other potential locations such as the area near LT11 at FASS. We envision Office of Facilities Management to build new Bioswales in NUS with our guidelines.

Keywords: Built Environment and Green Infrastructure, Bioswales, Water Filtration, Urban greenspaces

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