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'''Example 2'''
{|class="wikitable"
|-
! colspan="3"|Calculation of non-potable water requirement
|-
| * * daily requirement of non-potable water in a 4-person household: || ||
|-
| * Toilet flushing || 30 litres / person x 4 people =|| 120 litres
|-
| * Washing machine || 10 litres / person x 4 people =|| 40 litres
|-
| * Garden irrigation|| 1 litre / person x 4 people =|| 4 litres
|-
|=> Total '''non-potable water requirement per day:'''|| ||'''164 litres'''
|-
|=> '''Annual requirement''': || 164 litres/day x 365 days =||'''60 m³'''
|-
|}
When compared with the rainwater yield of 59 m³ determined in Example 1 for a single-family house, it is seen that almost the total requirement of the toilet, washing machine and garden can be covered by the average rainwater yield.

Translations:Regenwassernutzung/205/en - Versionsgeschichte

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