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Title
EWB - The Reed Bed Sewage Treatment System
Abstract
Social, environmental, economical factors had to be considered in the implementation of our reed bed system. On a social level, we had to ensure minimal impacts on the community’s culture and way of life. Hence, it was decided that the system would be introduced into a school environment. By doing so, the younger population will then be able to develop a firm foundation on the importance of waste management.
From an environmental standpoint, the reed bed system is quite ideal. The choice of materials used in its construction is quite flexible, and there is the advantage that the materials can be fashioned out of local resources. The reed species, phragmites karka, which we intend to use for this system are native to the Tonle Sap region and therefore will be easily obtained. The process of this water treatment system is natural, requiring no input of energy and releasing no output of waste. Thus, it affects the surrounding environmental minimally.
The reed bed system is also economically viable. Materials required for this system can be obtained locally, with no requirement to import any special products. The proposal to implement the project on a small scale, school by school, means that the project will be economically manageable.
This project agrees with the ethical responsibilities of engineers as set out by Engineers Australia Standard. It is important we adhere to the nine Tenets of the Code of Ethics as outlined by the Institution of Engineers, Australia. Our aim to maintain a healthy relationship between the Tonle Sap villagers and Live & Learn means that we are keen on avoiding the conflict that arises from imposition of a foreign values system onto the pre-existing Cambodian-Tonle-Sap culture. Our aim is purely to assist in a healthier way of managing the waste-disposal issue.
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