Modelling costs for water and sanitation infrastructure: Comparing sanitation options for Can Tho, Vietnam

Water, Engineering and Development Centre (WEDC): Loughborough University
Publication Type:
Conference Proceeding
Proceedings of the 35th WEDC International Conference, 2011. The Future of Water, Sanitation and Hygiene in Low-Income Countries: Innovation, adaption and engagement in a changing world, 2011, pp. 1 - 8
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Cost effectiveness analysis is a useful tool for comparing water and sanitation infrastructure options. This method was used to compare a range of sanitation options for the rapidly developing area of South Can Tho in Vietnam. The costs of centralised, semi-centralised and decentralised sewer systems were analysed along with several different treatment and stream separation technologies. The process of estimating and modelling costs can be challenging as considerable data is required, however, by using a variety of cost estimation methods it was possible to undertake a detailed costing assessment to compare very different infrastructure options over their lifetimes and with reference to the service they provide. The results, which detail net present values and levelised costs in addition to a range of financial perspectives can provide a valuable basis for decision making.
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