V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

23 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Wednesday, 11 / 2 / 2022 Hyd. No. 12 Basin #1A Hydrograph type = Reservoir Peak discharge = 1.308 cfs Storm frequency = 2 yrs Time to peak = 12.25 hrs Time interval = 3 min Hyd. volume = 12,439 cuft Inflow hyd. No. = 1 - DA-1A (Roof) Max. Elevation = 420.43 ft Reservoir name = Basin #1A Max. Storage = 2,053 cuft Storage Indication method used. Basin #1A Q (cfs) Q (cfs) Hyd. No. 12 -- 2 Year 4.00 4.00 3.00 3.00 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. 12 Hyd No. 1 Total storage used = 2,053 cuft