A water supply scheme transports 10 MLD (Million Litres per Day) water through a 450 mm diameter pipeline for a distance of 2.5 km. A chlorine dose of 3.50 mg/litre is applied at the starting point of the pipeline to attain a certain level of disinfection at the downstream end. It is decided to increase the flow rate from 10 MLD to 13 MLD in the pipeline. Assume exponent for concentration, n = 0.86. With this increased flow, to attain the same level of disinfection, the chlorine dose (in mg/litre) to be applied at the starting point should be

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Topic- civil engineering Sub topic-environment

A water supply scheme transports 10 MLD (Million Litres per Day) water through a 450 mm diameter pipeline
for a distance of 2.5 km. A chlorine dose of 3.50 mg/litre is applied at the starting point of the pipeline to attain
a certain level of disinfection at the downstream end. It is decided to increase the flow rate from 10 MLD to 13
MLD in the pipeline. Assume exponent for concentration, n = 0.86. With this increased flow, to attain the same
level of disinfection, the chlorine dose (in mg/litre) to be applied at the starting point should be
4
Transcribed Image Text:A water supply scheme transports 10 MLD (Million Litres per Day) water through a 450 mm diameter pipeline for a distance of 2.5 km. A chlorine dose of 3.50 mg/litre is applied at the starting point of the pipeline to attain a certain level of disinfection at the downstream end. It is decided to increase the flow rate from 10 MLD to 13 MLD in the pipeline. Assume exponent for concentration, n = 0.86. With this increased flow, to attain the same level of disinfection, the chlorine dose (in mg/litre) to be applied at the starting point should be 4
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