V4 11 Stormwater Report Rev 3 1 26 2023

85 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 9 DA-3 Hydrograph type = Combine Peak discharge = 35.79 cfs Storm frequency = 100 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 147,309 cuft Inflow hyds. = 4, 5 Contrib. drain. area = 6.970 ac DA-3 Q (cfs) Q (cfs) Hyd. No. 9 -- 100 Year 40.00 40.00 30.00 30.00 20.00 20.00 10.00 10.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 9 Hyd No. 4 Hyd No. 5