A pipeline is needed to drain water away from a hypermarket car park which regularly gets flooded during even moderate rainfall. The current drainage system starts to fail at a rate of 5m3/s, and it is estimated that a drainage rate of at least 15m3/s is needed so that flooding would only occur once every ten years. The drain has fall of 2m over a length of 200m. Estimate the smallest pipe diameter which would clear the water where the head available at the start of the drain is 1.5m. Assume that the Darcey Weisbach friction coefficient would be 0.012.
A pipeline is needed to drain water away from a hypermarket car park which regularly gets flooded during even moderate rainfall. The current drainage system starts to fail at a rate of 5m3/s, and it is estimated that a drainage rate of at least 15m3/s is needed so that flooding would only occur once every ten years. The drain has fall of 2m over a length of 200m. Estimate the smallest pipe diameter which would clear the water where the head available at the start of the drain is 1.5m. Assume that the Darcey Weisbach friction coefficient would be 0.012.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A pipeline is needed to drain water away from a hypermarket car park which regularly gets flooded during even moderate rainfall. The current drainage system starts to fail at a rate of 5m3/s, and it is estimated that a drainage rate of at least 15m3/s is needed so that flooding would only occur once every ten years. The drain has fall of 2m over a length of 200m. Estimate the smallest pipe diameter which would clear the water where the head available at the start of the drain is 1.5m. Assume that the Darcey Weisbach friction coefficient would be 0.012.
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