Calculation of saturated and expected population.
For a town with a population of 2 lakhs, a water supply scheme is to be designed. The maximum daily demand may be assumed as 200 litre/capita/day. The storage reservoir is situated 5 km away from the town Assuming loss of head from source to town as 10 m and coefficient of friction for the pipe material as 0.012, recommend the size of supply main 50% of daily demand has to be pumped in 8 hours for the proposed scheme.
q2.A city has the following recorded population :
Year 1971: 60000
Year 1991: 120000
Year 2011: 180000
Estimate (i) the saturation population and (ii) expected population in the year 2031 by logistic curve
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