V4 11 Stormwater Report Rev 3 1 26 2023

63 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 17 Basin #1 Hydrograph type = Reservoir Peak discharge = 14.01 cfs Storm frequency = 10 yrs Time to peak = 12.15 hrs Time interval = 3 min Hyd. volume = 59,972 cuft Inflow hyd. No. = 16 - To Basin #1 Max. Elevation = 419.40 ft Reservoir name = Basin #1 Max. Storage = 11,764 cuft Storage Indication method used. Basin #1 Q (cfs) Q (cfs) Hyd. No. 17 -- 10 Year 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 30 33 Time (hrs) Hyd No. 17 Hyd No. 16 Total storage used = 11,764 cuft