V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

75 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 11 Basin #3 Hydrograph type = Reservoir Peak discharge = 16.11 cfs Storm frequency = 100 yrs Time to peak = 12.20 hrs Time interval = 3 min Hyd. volume = 85,884 cuft Inflow hyd. No. = 10 - DA-4 Max. Elevation = 419.98 ft Reservoir name = Basin #3 Max. Storage = 8,917 cuft Storage Indication method used. Basin #3 Q (cfs) Q (cfs) Hyd. No. 11 -- 100 Year 21.00 21.00 18.00 18.00 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

0.00 0 3 6 9 12 15 18 21 24 27 Time (hrs) Hyd No. 11 Hyd No. 10 Total storage used = 8,917 cuft