Hydrology Studio IDF File False 3 FHA Philadelphia PA, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,49.13387,12.10001,0.8696933,0 1,64.11375,13.00001,0.8847573,0 1,0,0,0,0 1,62.27068,12.50001,0.827275,0 1,62.86364,12.20001,0.7999009,0 1,59.52633,11.50001,0.75301,0 1,51.12392,10.1,0.696411,0 1,45.9,8.999998,0.6514508,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.16,2.78,1.9,1.19 4.97,3.33,2.3,1.44 0,0,0,0 5.84,3.94,2.8,1.8 6.46,4.36,3.15,2.05 7.21,4.86,3.6,2.39 7.73,5.19,3.91,2.65 8.23,5.51,4.22,2.91 25 100 50