Drainage Report

Basin 3 without exfiltration proposed basin 3 R5 NOAA 24-hr D 100-Year Rainfall=8.66" Prepared by Anderson Consulting Services Printed 10/29/2023 HydroCAD® 10.20-3f s/n 06666 © 2023 HydroCAD Software Solutions LLC Page 35 Subcatchment 34S: Basin 3 Hydrograph Runoff 14 13.09 cfs 13 NOAA 24-hr D 12 11 100-Year Rainfall=8.66" 10 Runoff Area=95,425 sf 9 Runoff Volume=1.188 af Flow (cfs) 8 Runoff Depth=6.50" 7 6 Flow Length=670' 5 Tc=10.0 min 4 CN=74/98 3 2 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 Time (hours)