Drainage Report

Basin 1 without exfiltration Proposed basin 1 R5 NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Anderson Consulting Services Printed 10/29/2023 HydroCAD® 10.20-3f s/n 06666 © 2023 HydroCAD Software Solutions LLC Page 15 Hydrograph for Subcatchment 36S: Basin 1 Predevelopment Time Precip. Perv.Excess Imp.Excess Runoff (hours) (inches) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 0.00 2.50 0.11 0.00 0.00 0.00 5.00 0.24 0.00 0.00 0.00 7.50 0.40 0.00 0.00 0.00 10.00 0.68 0.00 0.00 0.00 12.50 2.35 0.39 0.00 4.50 15.00 2.89 0.66 0.00 0.62 17.50 3.11 0.78 0.00 0.37 20.00 3.26 0.86 0.00 0.27 22.50 3.38 0.93 0.00 0.23 25.00 3.44 0.97 0.00 0.01 27.50 3.44 0.97 0.00 0.00 30.00 3.44 0.97 0.00 0.00 32.50 3.44 0.97 0.00 0.00 35.00 3.44 0.97 0.00 0.00 37.50 3.44 0.97 0.00 0.00 40.00 3.44 0.97 0.00 0.00 42.50 3.44 0.97 0.00 0.00 45.00 3.44 0.97 0.00 0.00 47.50 3.44 0.97 0.00 0.00 50.00 3.44 0.97 0.00 0.00 52.50 3.44 0.97 0.00 0.00 55.00 3.44 0.97 0.00 0.00 57.50 3.44 0.97 0.00 0.00 60.00 3.44 0.97 0.00 0.00 62.50 3.44 0.97 0.00 0.00 65.00 3.44 0.97 0.00 0.00 67.50 3.44 0.97 0.00 0.00 70.00 3.44 0.97 0.00 0.00