complete drainage report rev 9

Existing Conditions NOAA 24-hr D 2-Year Rainfall=3.44" 2024-04-20 HydroCAD - Existing Prepared by Anderson Consulting Services HydroCAD® 10.20-5c s/n 06666 © 2023 HydroCAD Software Solutions LLC Printed 10/25/2024 Page 6 Subcatchment 4S: DA 2 - Perv Hydrograph Runoff 16 14.76 cfs 15 NOAA 24-hr D 2-Year Rainfall=3.44" Runoff Area=722,186 sf Runoff Volume=68,577 cf Runoff Depth=1.14" Flow Length=664' Tc=16.8 min CN=73 14 13 12 11 Flow (cfs) 10 9 8 7 6 5 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)