Multiple use of water through small scale irrigation and cattle trough at water points

Transcription

1 FOUNDATION FOR DEVELOPMENT AND RELIEF AFRICA Rotary Building, Loro-Alidi,Oyam District, Northern Uganda P.O. Box 35 Lira-Ugand. Mobile: Multiple use of water through small scale irrigation and cattle trough at water points WOMEN AT WO RK USING THE T READ LE PU M P FOR I RRI GATION Figure 1: Women watering cabbages in their garden using the treadle pump Page 1 of 19

2 COMPO NENT S OF SMALL IRRI GATIO N SCHE ME Treadle pump Hand pump Crops Reservoir Figure 2: The components of small irrigation scheme Treadle pump is about $ 250 each including transport, VAT and Lubricants 2.2. Collection tank (reservoir) The reservoir has a capacity of 8m 3 (2m x 2m x 2m). It is constructed with bricks and the average cost is 180 USD (see Table 1). Loss of water in the reservoir by evaporation is minimized by covering the reservoir with roofing/shade. The roof shade also minimizes the growth of fungi in the waste water by preventing direct sunlight which favors fungal growth. The opening into the reservoir for the hosepipe is provided with mosquito screen to minimize entry and breeding of mosquitoes in the stagnant waste water in the reservoir. A layer of oil on the water surface also prevent mosquito breeding which would otherwise be dangerous for human health. Table 1: BOQ for the construction of a reservoir Unit cost Total cost Material Qty Unit (UGX) (UGX) Cement 5 Bags 32, ,000 Bricks 1000 pcs ,000 Aggregate 1 Pickup 100, ,000 Sand 2 Pickup 10,000 20,000 Iron sheets 3 Pcs 25,000 75,000 Assorted Nails 2 Kgs 8,000 16,000 Roofing nails 1 Kgs 10,000 10,000 4x 2" Timber 5 Pcs 8,000 40,000 Mosquito wire Mesh 1 Metres 8,000 8,000 TOTAL UGX USD 551, Page 2 of 19

3 Figure 3: Reservoir construction masonry works Figure 4: Completed reservoir (without roof and plastering) Page 3 of 19

4 2.3. Treadle pump technology Figure 5: Collection tank at the end of drainage channel A Super Money-maker, a human-powered pump designed to lift water from a depth of 7m or less. The total maximum pumping height is 14m (maximum suction depth below the pump is 7m and maximum pressure head above the pump is 7m). It has irrigation capacity of 2 acres and push water distance of about 200m. The technology does not need much technical knowhow and just little O&M requirements. The pump needs a minimum of two people to operate and irrigate garden. Even school age going children can conveniently operate the pump. The treadle pump needs priming with clean water for it to operate effectively. If the treadle pump is not primed, it cannot pump water from the reservoir with ease. The figure below illustrates how to prime the treadle pump. Figure 6: Women priming before operating treadle pump Page 4 of 19

5 Figure 7: Priming the treadle pump Figure 8: Watering seedlings in nursery beds Page 5 of 19

6 CATTLE T RO UGH Cattle trough is a low cost and simple technology that FDR AFRICA opt for watering of animals at the borehole (water) points. The trough is especially used during dry season when the alternative surface water sources for watering animals have dried out and household cattle keepers have to move long distance for water for watering their animals. Figure 9: Cattle trough Wasted water (grey water) from the borehole gets collected through the channel into the cattle trough from where the animals are watered. The average total cost of the trough is about 120 USD (see Table 2). Table 2: BOQ for the construction of a cattle trough Material Qty Unit Unit cost (UGX) Total cost (UGX) Cement 5 Bags 32, ,000 Bricks 100 bags ,000 Aggregate 1 Pickup 100, ,000 Sand 2 Pickup 3,000 6,000 Re-bars 12mm 2 Pcs 30,000 60,000 Binding wire 1 Kgs 6,000 6,000 Assorted Nails 1 Kgs 8,000 8, x 1 timber 1 Pcs 13,500 13,500 2"Pipe and plugs 1 Ls 100, ,000 TOTAL UGX USD 494, Page 6 of 19

7 Figure 10: Cattle trough construction in progress Figure 11: Cattle trough construction (finishes) in progress Page 7 of 19

8 Figure 12: Cattle trough design Page 8 of 19

9 Figure 13: Cattle drinking from a new constructed trough Page 9 of 19

10 4. COMMUNITY VO ICE : IM PROV ED LIV ELIHOODS THRO UGH SUST AINABLE MULTIPLE USE S OF WATER Figure 14: Tomatoes from Barbenyo Figure 15: Mulching of crops to reduce soil erosion due to running water Page 10 of 19