ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Calculate 5% of Annual Yield below
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Collection area (roof) 1560m2
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e, yield coefficeint 0.9Leave @0.9 if unknown
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Annual Average rainfall 660mm, see here for detailed city rainfall information
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h, hydraulic efficiency 0.9leave @0.9 if unkown
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5% of annual yield 41699litres
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Calculate 5% of non-potable demand below
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Daily non potable requirement 33l/d, leave @33l/d if unknown
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Number of occupants 5
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5% of annual non-potable demand
3011litres
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Optimum Rainwater tank capacity is
3011litres
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