Drainage Report

Basin 1 without exfiltration Proposed basin 1 R5 NOAA 24-hr D 10-Year Rainfall=5.22" Prepared by Anderson Consulting Services Printed 10/29/2023 HydroCAD® 10.20-3f s/n 06666 © 2023 HydroCAD Software Solutions LLC Page 23 Subcatchment 28S: Basin 1 Hydrograph 18 Runoff 17 16.45 cfs 16 NOAA 24-hr D 15 14 10-Year Rainfall=5.22" 13 Runoff Area=314,926 sf 12 11 Runoff Volume=2.435 af Flow (cfs) 10 Runoff Depth=4.04" 9 8 Flow Length=1,759' 7 6 Tc=30.2 min 5 CN=74/98 4 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)