IDE Treadle Pump
International Development Enterprises (IDE)
IDE Treadle pump, a foot operated device, is used to extract water from shallow aquifers or surface water bodies.
IDE treadle pump is a foot-operated device to create suction to pump water from shallow aquifers or surface water bodies. It can be attached to a flexible hose, and lift water at shallow depths from any source such as pond, tank, canal, or catchment basin or from tubewells.
It was developed in 1979 by a team working with the Rangpur Dinajpur Rural Service (RDRS), an NGO working in northwest Bangladesh. IDE facilitates the formation of national and regional networks of suppliers, dealers, and installers.
International Development Enterprises (IDE) through approximately 1,000 stocking dealers in Bangladesh. There is also a treadle pump wholesale market in Dhaka that serves many regional dealers.
Treadle pumps can cost from $12 to $35 USD depending on the materials used. IDE has estimated that the average cost of an installed treadle pump ranges from $20-$26 as seen in the table.
|Price of Treadle pumps|
|Treadle pump specification||Wholesale Price (Taka)||Retail Price (Taka)|
|Average cost of below-ground components(including boring)||800-1,000|
|Total average cost of treadle pump (installed)||1,000-1,300|
|The World Bank Development Report (1999/2000) estimates the annual gross domestic product per capita in Bangladesh or Taka 18,000 (US $360)|
|Standard wire gauge is a measure of the thickness of the sheetmetal, 16-gauge is thicker than 20-gauge.|
|Water extraction options for irrigation|
|Number 6 pump (no platform)||3,000-3,500|
|Chinese 3HP Diesel Pump (installed)||9,000-10,000|
|Note: 50 Taka equals US$1|
Small farm holders
Description of the pump type
Land size irrigation capacity, measured in acres
The amount of water discharged, measured in liters per minute
Maximum length of pipe from pump to the raised tank, measured in meters
The amount of pressure required to pump water, measured in MPa
The maximum length of pipe from the water source, measured in meters
Type of energy used to power the pump
Maximum power requirement, measured in watts
Maximum motor current, measured in amperes
Power required to run the pump, measured in voltage
The pump is made mostly of metal and consists of two cylinders (or barrels) usually 3.5 inches (8.9 cm) in diameter, connected to a suction pipe at the base, and with an outlet spout at the top. The operating mechanism consists of bamboo foot pedals fitted to a bamboo superstructure, and includes a framework that the operator can hold onto for support. The pump is installed on a bamboo or PVC-lined tubewell. Most raw material suppliers are based in Dhaka or in large regional centers.
Locally available at hardware stores.
The average life of treadle pumps ranges from 1 to 7 years as seen in the table.
|Average life of treadle pumps|
|Pump Specification||Average Life|
It is claimed that the treadle pump could raise the annual net household income by US$50-$500, on the average.
It is said that the average crop yields on “priority plots” tend to be much higher than yields obtained by farmers using diesel pumps or other irrigation devices.
Studies show treadle pump owners have better boro rice, potato and green vegetables yields than pumpless small folders and sometimes even surpassing diesel pump owners.
Water and sanitation program. 2000. Case study: The Treadle Pump an NGO introduces a low-cost irrigation pumpo to Bangladesh.
Shah, T.; Alam, M.; Dinesh, M.; Nagar, R.K. and Singh Mahendra. 2000. Pedaling out of poverty: social impact of a manual irrigation technology in South Asia. Colombo, Sri Lanka: International water management institute. Research report No. 45
Kay, M. and Brabben, T.E. 2000. Treadle Pumps for Irrigation in Africa. Rome: Food and Agricultural Organization of the United Nations. Knowledge Synthesis Report No.1
Orr, A.; Nazrul, A. and Barnes, G. 1991. The treadle pump: manual irrigation for small farmers in Bangladesh. Bangladesh: Pioneer Printing Press Ltd. Dhaka. 101 pages.
Montaigne, F., & Essick, P. 2002. Water pressure. National Geographic, 202(3), 2-33.
IDE carries out quality inspections, stamping the pumps with a brand name, and selling them to a network of rural dealers.
The pump is said to have a benefit-cost ratio of 5, an internal rate of return of 100 percent, and a payback period of one year.
Similar treadle pumps, commercialized by Enterprise Works (EW) in West Africa, have reported gender related problems in terms of adopting this technology, suggesting that treadle pumps may not be culturally appropriate or simply will not be used in some regions.
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