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This article discusses different methods of constructing rural wells, including hand dug wells, tube wells, and boreholes. It also explains the operational principles and maintenance of hand pumps, as well as the importance of community participation in rural projects. Gender issues in community projects are also addressed.
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Dr. O.A. Idowu, Dr. J.A. Awomeso and Dr. G.O. Oluwasanya WMA 516: Water Resource and Public Health
Rural well construction methods 1.1 Hand dug wells Dimensions Digging with the sides of the excavation supported Digging with the sides of excavation unsupported Excavation below the water level Alternative ways of lining a well Completion Abstraction Bucket and rope Manual, Wind lass, pulley Dedicated pumps Hand pumps, motorised
Rural well construction methods 1.2 Tube wells and Boreholes Features Developing the well Sinking Tubewell Hand auger drilling Sludging Borehole drilling Percussion drilling Rotary percussion drilling Rotary drilling with flush Jetting
Rural well construction methods 1.3 Hand pumps Operational principle of hand pumps Range of lift Types of hand pumps Suction pumps Low lift pumps Direct action pumps Intermediate and high lift hand pumps Deep well reciprocating pumps High lift ‘Afridev’ hand pump Non-piston pumps Diaphragm pumps Choice of hand pumps Hand pump performances Operations and maintenance The VLOM concept
Community participation in rural projects Definition and Conception Planning Feasibility Execution (development) Operations and maintenance Group Discussion • Background reading: • Frances Cleaver (1999), Paradoxes of participation: questioning participatory approaches to development, J. Int. Dev., pp 597 - 612 • David Edmunds and Eva Wollenberg (2002), Disadvantage groups in multi-stakeholder negotiations, CIFOR program Report, 9 pp
Gender issues in community projects History of gender development Gender and irrigation: evolution of a field of interest Some concepts and definitions Gender The household Farming Linkages between gender inequality and irrigation The design and planning phases of community projects The planning process and the ‘’engineer’s space’’ The exclusion of women in ‘’technical’’ design and planning Women’s exclusion in local platforms Mainstreaming - Inclusive project design and planning Group discussion Background reading: Barbara Lynch: The bureaucratic tradition and women’s invisibility in irrigation (to be provided)