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Underground tank

51 bytes added, 19:07, 13 April 2012
→‎Build the tank
[[Image:TankLiningOptions.jpg|thumb|right|500px|Recommended options for the tank lining when plastering the walls.]]
[[Image:AddTankLining.jpg|thumb|right|300px| Tank lining / Plastering <br> ©Practical Action/Douglas Gumbo.]]
# Along any dug dead level contour (which is your collection area) choose where you can construct your storage tank. All In consideration of nearby crops, all soils that allow rapid percolation the closer should be near the storage tanks. This is because your soil quickly loses water and that's where your plants are likely to show signs of moisture stress during the dry spell.
# Measure along the channel the length of the tank you want and mark using pegs. Dig the marked area up to a further depth of 500cm or more. The deeper it is the more water will be harvested.
# Mark with a shovel the root zone depth (if considering crops) within your tank.
# Place termitaria-cement mixture at the base of the tank and sprinkle water to facilitate easy ramming.
# Using homemade rammer, start ramming up to a maximum depth of 2-5cm. Sprinkle whenever required.
Winona
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