complete drainage report rev 9

Existing Conditions NOAA 24-hr D 10-Year Rainfall=5.22" 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 22 Subcatchment 4S: DA 2 - Perv Hydrograph Runoff 36 33.11 cfs 34 NOAA 24-hr D 10-Year Rainfall=5.22" Runoff Area=722,186 sf Runoff Volume=147,700 cf Runoff Depth=2.45" Flow Length=664' Tc=16.8 min CN=73 32 30 28 26 Flow (cfs) 24 22 20 18 16 14 12 10 8 6 4 2 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)