Water distribution mains are design for hourly demand.. Because water should be distributed to consumer for an few hours in a day, if we design for daily demand then it is uneconomical.
Part 2
Reservior is built for the emergency storage of water if demand is less then excess of water store in that but if demand is more the required demand the surplus water supplied by reservior to meet the demand.. In case fire breaks in the city then max water is required which is supplied by reservior
So it is design for all of the above
Part 3
Given
Population = 20000
No. Of people in each property : 4
No. Of property :20000/4 = 5000
Water required for each property : 0.87L/day
Total average water demand : 0.87*5000 =4350 l/day
Water pump design for horly demand
Design discharge = 2.2*4350 = 9570l/day
Part 4
Design discharge = max daily demand + fire demand
Fire demand = 76380L/min for 5 hour means
76380*5*60/(24*3600) = 265.2L/s = 0.265m^3/s
Fire demand = . 265+ 1.62 = 1.88m3/s
Answer correctly with reasonn The design capacity of the main water supply pipeline to the distribution...
answer both accurately.
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The needed fire flow is 76380 L/min which has to be sustained for 5 hours. Maximum daily demand is 1.62 m3/s. What is the design discharge? Answer: The population of a town is 20000, that is to be supplied with water by a pump. The average property hold 4 people. Each property consumes, on average 0.871/day. Historical data suggests a peak day factor of 1.8 and a peak hour factor of 22....
A small coastal town in Queensland is subject to an increasing permanent population and also a transient influx of tourists during the summer period. Council already receives frequent complaints of restricted water supply. The water supply system comprises a rising trunk main from the treatment plant A to the service reservoir B, the service reservoir, and service mains to the consumption areas. Two consumption areas C and D at different elevations are gravity supplied from the service reservoir. The service...
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