In fact the fist requirement is to consider the demand ,and the second requirement is to find sources to fulfill that demand
various type of water demand
- Domestic water demand -55 to 60% of total water consumption
- Industrial water demand-50 mp
- Institutional and commercial water demand -20 lpcd
- Demand for public use -10 lpcd
- Fire demand -1 lpcd
- Water required to compensate losses in wastes and thefts -55 lpcd
- As per IS 1172-1983 as well as National building code, the domestic consumption under normal conditions in an Indian city is expected to be around 135 liter/head/ day
- Demand for public uses is generally taken as 10 l/h/day
- The ordinary per capital consumption for industrial needs of a city is generally taken as 50 l/h/day
- On an average, per capita demand of 20 l/h/day is usually considered to be enough to meet such commercial and institutional water requirements, although this demand may be as high as 50 l/h/d for highly commercialised cities
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