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[[Image:Cran Uni logo.png|right|120px|link=http://www.cranfield.ac.uk/]]
[[Image:SKAT logo.png|right|120px|link=http://www.skat.ch/]]
The tool calculates [[Capital_Expenditure_(CapEx)|capital expenditures]] detailed in a bill of quantities. The tool is part of a wider initiative by the Rural Water Supply Network (RWSN) and SKAT to develop cost-effective boreholes.
===Downloads===
* [https://www.dropbox.com/s/t0nrzc95h7e6fhs/Borehole%20costing%20model.xls BOREHOLE COSTING MODEL V2.8 BETA]
* [http://www.rural-water-supply.net/en/resources/details/361 Borehole Costing Model V2.8 BETA on RWSN website]
* [http://www.rural-water-supply.net/en/resources/details/362 Borehole Costing Model v2.8: Quick Start Guide]
===Key documents===
* 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
* Heath, T. et al., 2009. [http://www.rural-water-supply.net/en/resources/details/361 Borehole Costing Model V2.8 BETA]. St Gallen, Switzerland: , Rural Water Supply Network (RWSN), Skat Foundation
