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Cost-effective Boreholes
The cost-effective boreholes (CEB) flagship of the Rural Water Supply Network (RWSN) was set up to identify ways to improve the “health” of borehole drilling in sub-Saharan Africa so that water users are able to use high-quality boreholes and the sector is profitable as well as efficient. The aims of the CEB flagship are that policies are adopted and practices followed which bring about cost-effective borehole provision in sub-Saharan Africa.
It has been estimated that about 35,000 boreholes per year need to be drilled in sub-Saharan Africa to meet the MDGs for domestic water supply. If one considers full coverage by 2050, and water for irrigation as well as industrial supply, at least 50,000 boreholes per year are required. Concerns about the high costs and variable construction quality of boreholes in sub-Saharan Africa have been raised. Savings of even 10% on conventional drilling would have a significant impact on extending serices and use of manual drilling where feasible could provide savings. However, it is essential that cost-savings do not adversely jeopardise quality. Borehole drilling can only attract more private investment if it is a viable business venture.
Further information:
One cannot make simplistic comparisons of borehole prices. Every borehole is unique.
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The Cost-Effective Boreholes flagship work has enabled a number of key principles for cost-effective boreholes to be identified as follows:
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The cost-effective Boreholes flagship is focusing it`s work on several countries within sub-Saharan Africa:
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Hand drilling is also known as manual drilling, human powered drilling, and is sometimes referred to simply as low cost drilling. As the names suggest, hand drilling technologies primarily utilise human energy.
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Five field notes regarding cost-effective boreholes have been published by RWSN. They are based on studies conducted in Ethiopia, Sudan, Madagascar, Nigeria and Niger.
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The purpose of the CEB flagship is that policies are adopted and practices followed which bring about cost-effective borehole provision in sub-Saharan Africa. This will be achieved through five outputs:
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CEB Discussion Paper
Cost-Effective Boreholes in sub-Saharan Africa
This paper sets out a conceptual framework for Cost-Effective Boreholes (CEB) in sub-Saharan Africa. It was accepted at the 2008 forum in Accra.
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The following books provide excellent overviews, and act as good reference materials for water well drilling and groundwater:
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