Question: Using the data listed below, compute an inflow hydrograph using the Modified Rational Method. The runoff hydrograph is a triangular hydrograph with base equal

Using the data listed below, compute an inflow hydrograph using the Modified

Using the data listed below, compute an inflow hydrograph using the Modified Rational Method. The runoff hydrograph is a triangular hydrograph with base equal to 2.67t. Rout the inflow hydrograph through the detention basin described below. Find the peak inflow and outflow values. Inflow Hydrograph Drainage area = 5.0 acres c = 0.30 tc = 15 min. i = 6.6 in/h Detention Basin Elevation Cum. Volume Outflow (ft) (c.f.) (cfs) 100.00 102.00 1000 2.5 3.5 4.2 104.00 2000 106.00 4000 6000 8000 108.00 4.9 110.00 5.5

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