V4 11 Stormwater Report Rev 3 1 26 2023

33 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 18 Combined - SS Southern Driveway Hydrograph type = Combine Peak discharge = 7.343 cfs Storm frequency = 2 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 57,703 cuft Inflow hyds. = 8, 17 Contrib. drain. area = 0.000 ac Combined - SS Southern Driveway Q (cfs) Q (cfs) Hyd. No. 18 -- 2 Year 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 30 Time (hrs) Hyd No. 18 Hyd No. 8 Hyd No. 17