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Cost saving stormwater management system

Wong, Yik Min (2020) Cost saving stormwater management system. Honours thesis, Murdoch University.

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Executive Summary

The project aims to create a cost-saving stormwater solution. The objectives are to build a dashboard for water level data and weather forecast analysis. Also, to simulate how the Climate Control Pump System, which rainwater tank in estate scale and single lot scale can affect the volume of stormwater runoff and the amount of groundwater infiltration throughout the year.

Due to technical problems with the water level sensor when installed at the Environmental Technology Centre at Murdoch University, the water level in the rainwater tank was not recorded. Hence, the rainfall data from the Bureau of Meteorology was used to build the simulation for the Climate Control Pump System, which a rainwater harvest system integrated with weather forecast, water level sensor and automated pump.

The water balance models of the simulation show that the annual stormwater runoff volumes can be reduced in both single lot scale and estate scale. It is also found out that a single lot scale is able to reduce the volume of stormwater runoff for more extended periods than estate scale.

There are very little literature and research providing data for the cost and the size of stormwater treatment systems, which is unable to calculate the expenditure saved and the percentage of the extent that the stormwater treatment can reduce. However, some research suggested that the use of rainwater tanks for stormwater retention can reduce the size and cost of stormwater systems.

Further improvement can be made on this project to gather more accurate data to compare the simulation and real-life result.

Item Type: Thesis (Honours)
Murdoch Affiliation: Engineering and Energy
Supervisor(s): Anda, Martin
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