V4 11 Stormwater Report Rev 3 1 26 2023

22 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 11 DA-4 Hydrograph type = Combine Peak discharge = 1.447 cfs Storm frequency = 2 yrs Time to peak = 12.10 hrs Time interval = 3 min Hyd. volume = 5,058 cuft Inflow hyds. = 9, 10 Contrib. drain. area = 1.250 ac DA-4 Q (cfs) Q (cfs) Hyd. No. 11 -- 2 Year 2.00 2.00 1.00 1.00 0.00 0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 11 Hyd No. 9 Hyd No. 10