4. For an urban area, the land use of the area and the corresponding runoff coefficients are given below. Calculate the equivalent runoff coefficient. Assume the intensity of rainfall as 103.8 mm/hr. Estimate the peak flow rate for this area. (1 ha = 10 m) Land use Area Runoff coefficient Roads 8 0.7 0.3 Residential area Industrial area 50 10 0.8

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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4. For an urban area, the land use of the area and the corresponding runoff coefficients are
given below. Calculate the equivalent runoff coefficient. Assume the intensity of rainfall as
103.8 mm/hr. Estimate the peak flow rate for this area. (1 ha = 10 m)
Runoff coefficient
Land use
Roads
Residential area
Industrial area
Area
0.7
50
0.3
10
0.8
Transcribed Image Text:4. For an urban area, the land use of the area and the corresponding runoff coefficients are given below. Calculate the equivalent runoff coefficient. Assume the intensity of rainfall as 103.8 mm/hr. Estimate the peak flow rate for this area. (1 ha = 10 m) Runoff coefficient Land use Roads Residential area Industrial area Area 0.7 50 0.3 10 0.8
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