V4 11 Stormwater Report Rev 3 1 26 2023

86 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 10 DA-4 Hydrograph type = Combine Peak discharge = 20.65 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 87,210 cuft Inflow hyds. = 6, 7 Contrib. drain. area = 5.930 ac DA-4 Q (cfs) Q (cfs) Hyd. No. 10 -- 100 Year 21.00 21.00 18.00 18.00 15.00 15.00 12.00 12.00 9.00 9.00 6.00 6.00 3.00 3.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 10 Hyd No. 6 Hyd No. 7