Household water storage tanks
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CTA. 1998. Household water storage tanks. Spore 77. CTA, Wageningen, The Netherlands.
Permanent link to this item: http://hdl.handle.net/10568/48196
Internet URL: http://spore.cta.int/images/stories/pdf/old/spore77.pdf
The rainy season is the best time to build up water stocks for the kitchen garden. This simple method of collecting water in barrels offers a cheap way to of expanding and diversifying garden production, and reduces the workload of women and...
The rainy season is the best time to build up water stocks for the kitchen garden. This simple method of collecting water in barrels offers a cheap way to of expanding and diversifying garden production, and reduces the workload of women and children. You need : ? one long thick length of bamboo, or a strip of corrugated iron, as long as your roof, to make into a gutter; ? a creeper or twine, or lengths of wire, to attach the gutter to the roof; ? three 50-gallon metal barrels; ? two overflow pipes of non-rusting material (bamboo or plastic), about 30 cm long; ? three solid foundations, capable of bearing heavy weights (200 kg or more) made of wood, dried earth or concrete; To build the system : ? slice the bamboo in two along its length, or fold the corrugated iron, to make the gutter; ? fix the gutter to the roof, with the creepers or wire, at a slight angle so that the run-off rainwater will flow down; ? in two of the barrels, make a hole about 5 cm from the top, slightly wider than the overflow pipe, which you fit into the hole; ? put the three barrels squarely on the foundations, staggered, as shown in the diagram; ? the first one should be right underneath the end of the gutter, and the second and third barrels should be placed lower, under the overflow pipe, so that the overflow water from one will flow into the next, when full; ? cover the barrels to keep the water clean. You can install taps in each of the barrels, so that you can take water without dirtying it with a bucket. This is an extra step and is non-essential to the main benefits of the storage system. The system has already been used in Sangmélima (in Southern Cameroon). Source : Communautés africaines Number 20, June 1997 BP 5946, Douala-Akwa, Cameroon.