1010 N BROADWAY EVCC 2018-01-01 MF Import

Index Hall Replacement: 10th Street Parking Volume Reduction Calculations Volume Reduction(2-yr,24-hr event): POC 1 Predeveloped POC 1 Mitigated Predeveloped Predeveloped Developed Average Developed flow flow Time(sec) Average Flow Rate . Volume Flow Rate Volume cfs cfs sec cfs cf cfs cf 6/8/1984 9:00 0.000 0.000 3600 6/8/1984 10:00 0.000 0.000 3600 0.0002 0.61 0.0002 0.58 6/8/1984 11:00 0.000 0.000 3600 0.0001 0.47 0.0001 0.49 6/8/1984 12:00 0.000 0.000 3600 0.0001 0.36 0.0001 0.42 6/8/1984 13:00 0.000 0.000 3600 0.0001 0.29 0.0001 0.37 6/8/1984 14:00 0.000 0.000 3600 0.0001 0.23 0.0001 0.33 6/8/1984 15:00 0.000 0.000 3600 0.0001 0.19 0.0001 0.30 6/8/1984 16:00 0.000 0.000 3600 0.0000 0.16 0.0001 0.28 6/8/1984 17:00 0.000 0.000 3600 0.0000 0.13 0.0001 0.26 6/8/1984 18:00 0.007 0.004 3600 0.0033 11.89 0.0020 7.31 6/8/1984 19:00::‘:Yil::':t.i"44:17f,=, 0.089 3600 0.0733 263.99 0.0465 167.55 6/8/1984 20:00 0.032 0.020 3600 0.0862 310.16 0.0545 196.23 6/8/1984 21:00 0.010 0.007 3600 0.0211 76.02 0.0133 47.95 6/8/1984, 0.004 0.003 3600 0.0071 25.39 0.0049 17.79 6/8/1984 23:00 0.002 0.002 3600 0.0030 10.98 0.0025 9.13 6/9/1984 0:00 0.001 0.001 3600 0.0016 5.62 0.0016 5.87 6/9/1984 1:00 0.001 0.001 3600 0.0009 3.23 0.0012 4.38 6/9/1984 2:00 0.000 0.001 3600 0.0006 2.02 0.0010 3.59 6/9/1984 3:00 0.018 0.011 3600 0.0092 32.99 0.0062 22.25 6/9/1984 4:00 0.008 0.006 3600 0.0130 46.69 0.0085 30.72 6/9/1984 5:00 0.003 0.003 3600 0.0058 20.70 0.0042 15.25 6/9/1984 6:00 0.002 0.002 3600 0.0026 9.35 0.0023 8.40 6/9/1984 7:00 0.001 0.001 3600 0.0014 4.92 0.0016 5.69 6/9/1984 8:00 0.001 0.001 3600 0.0008 2.89 0.0012 4.40 6/9/19849:00 0.000 0.001 3600 0.0005 1.84 0.0010 3.70 831.13 553.24 Total Volume(cf) reduction in volume 0.160 2-yr,24-hr Storm Event 0.140 0.120 Iwmitffg° 0.080 I\0.100 / -4--PredevelopedFlow low -4-Mitigated Flow 0.060 0.040 0.020 , AL 0.000 6/8/1984 4:48 6/8/1984 9:36 6/8/198414:24 6/8/1984 19:12 6/9/1984 0:00 6/9/1984 4:48 6/9/1984 9:36 6/9/1984 14:24 Date&Time