V4 11 Stormwater Report Rev 3 1 26 2023

56 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Friday, 01 / 27 / 2023 Hyd. No. 11 Basin #3 Hydrograph type = Reservoir Peak discharge = 5.430 cfs Storm frequency = 10 yrs Time to peak = 12.20 hrs Time interval = 3 min Hyd. volume = 37,326 cuft Inflow hyd. No. = 10 - DA-4 Max. Elevation = 418.09 ft Reservoir name = Basin #3 Max. Storage = 5,539 cuft Storage Indication method used. Basin #3 Q (cfs) Q (cfs) Hyd. No. 11 -- 10 Year 10.00 10.00 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 Time (hrs) Hyd No. 11 Hyd No. 10 Total storage used = 5,539 cuft