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Water Supply Costing Processor (WSCP)

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The Water Supply Costing Processor analyses technological options according to their main system components (i.e. water sources, collection, conveyance, storage, treatment and distribution). The tool was developed for data analysis and takes into consideration [[Capital_Maintenance_Expenditure_(CapManEx)|capital maintenance expenditure]] and other [[Costs_of_WASH_Service_Delivery_-_Introduction|recurrent costs]]. However, these are not clearly defined. Software costs do include ''administrative costs of the system, training, promotional and educational costs'' (Carlevaro and Gonzalez, 2010), but it is not clear if they concern only the expenditures incurred during the project implementation.
 
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|The tool and the data were tested in 2007 and 2009 by WHO in several contexts: Peru, Cambodia, Indonesia, Laos, Philippines, Thailand and Vietnam. According to Carlevaro and Gonzalez (2010), the next versions of the tool should include an extended costing method.
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==Key documents==
Carlevaro, F. and Gonzalez, C., 2010. Costing improved water supply systems for low-income communities: a practical manual. [http://www.icevirtuallibrary.com/content/article/10.1680/wama.1000043 Proceedings of the ICE - Water Management], 164 (3), pp 123–134.
 
Fonseca, C., Dubé, A. and Verhoeven J., 2011. [http://www.washcost.info/page/1473 Cost-based decision support tools for water and sanitation]. (WASHCost working paper 4). The Hague, The Netherlands: IRC International Water and Sanitation Centre.
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