Q.3: B) A residential area with an area of 5 km² and a runoff coefficient of 0.285. Rain fell on it to a depth of 15 cm for a period of 24 hours. It is required to design a stormwater drainage network for that area based on the information mentioned above, considering that these rates are the maximum over a period of (50) years. What is the appropriate diameter for the main pipe exiting at the outlet of this area if you know that the network serves 50% of the total area of the area and assuming the arrival time of the water wave through any pipe with a length of 100 meters is 57 seconds? (10 marks)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Q.3: B) A residential area with an area of 5 km² and a runoff coefficient of 0.285. Rain fell on
it to a depth of 15 cm for a period of 24 hours. It is required to design a stormwater drainage
network for that area based on the information mentioned above, considering that these
rates are the maximum over a period of (50) years. What is the appropriate diameter for the
main pipe exiting at the outlet of this area if you know that the network serves 50% of the total
area of the area and assuming the arrival time of the water wave through any pipe with a
length of 100 meters is 57 seconds?
(10 marks)
Transcribed Image Text:Q.3: B) A residential area with an area of 5 km² and a runoff coefficient of 0.285. Rain fell on it to a depth of 15 cm for a period of 24 hours. It is required to design a stormwater drainage network for that area based on the information mentioned above, considering that these rates are the maximum over a period of (50) years. What is the appropriate diameter for the main pipe exiting at the outlet of this area if you know that the network serves 50% of the total area of the area and assuming the arrival time of the water wave through any pipe with a length of 100 meters is 57 seconds? (10 marks)
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