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Water Portal / Rainwater Harvesting / Rooftop rainwater harvesting

4 bytes removed, 20:36, 20 March 2012

→‎Costs

Comparison of costs

• * [[Brick cement tank]] of 6 m3: 3 bags of cement, 300 bricks, 3 kg of wire US$ 40 • * [[Brick cement tank ]] of 1 m3: 1 bag of cement, 100 bricks, 1 kg of wire US$ 20 • * [[Plastic-lined tank]] of 5 m3: US$ 50 • * Sub-surface [[ferro-cement tank]] of 60 m3: US$ 1,900

The bigger the volume of the storage tank, the lower the material demand (and thus costs) for construction per m3 of tank volume.

Winona

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