1.Rainfall intensity coefficients(I) has been calculated I = K K= non dimensional coefficient (t+b) t= time of concentration in minutes ( mm/hour) b= non dimensional coefficient Freq. K b SI Customary unit units 1yr ? ? ? ←Let me know blanks data 5yr 2443 96.2 27.5 10yr 2941 115.8 24.9 25yr 3420 134.6 23.7 50yr 3810 150.0 21.0 100yr 4300 169.3 20.0
Civil Engineer
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