Estimate the 100-yr, 2 hour design rainfall (inches) for Louisville, KY from a) the IDF curve (see the figure below), and b) the IDF formula for the region: (737ort+31》 where i is in mmtr and t...
A storm drain system is proposed for the following four subbasins shown in the attached figure. A design storm intensity for this region is defined from the following formula: 1 atcd In this formula the values for 'a' and 'b' are a function of the retum period and are defined in the following table T(yrs) a 10 0.209 0.573 25 11.995 0.566 50 13.521 -0.566 100 15.560 0.573 What is the 100-yr design flowrate for Pipe 2? Neglect the travel...