Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-EXISTING-2026-03-30 NOAA 24-hr D 2-Year-2020 Rainfall=3.47", P2=3.47" Prepared by Jarmel Kizel Architects & Engnrs Printed 3/30/2026 HydroCAD® 10.20-6a s/n 12607 © 2024 HydroCAD Software Solutions LLC Page 14 Subcatchment E2B-P: E2B PERVIOUS Hydrograph 0.026 Runoff 0.02 cfs 0.024 NOAA 24-hr D 0.022 2-Year-2020 Rainfall=3.47" 0.02 P2=3.47" 0.018 Runoff Area=1,532 sf 0.016 Runoff Volume=156 cf Flow (cfs) 0.014 0.012 Runoff Depth=1.22" 0.01 Flow Length=188' 0.008 Tc=5.8 min 0.006 CN=74 0.004 0.002 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Time (hours)