Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-EXISTING-2026-03-30 NOAA 24-hr D 10-Year-2050 Rainfall=6.37", P2=4.09" Prepared by Jarmel Kizel Architects & Engnrs Printed 3/30/2026 HydroCAD® 10.20-6a s/n 12607 © 2024 HydroCAD Software Solutions LLC Page 78 Subcatchment E2B-P: E2B PERVIOUS Hydrograph Runoff 0.08 0.07 cfs 0.075 NOAA 24-hr D 0.07 0.065 10-Year-2050 Rainfall=6.37" 0.06 P2=4.09" 0.055 Runoff Area=1,532 sf 0.05 Runoff Volume=447 cf Flow (cfs) 0.045 0.04 Runoff Depth=3.50" 0.035 Flow Length=188' 0.03 Tc=5.3 min 0.025 0.02 CN=74 0.015 0.01 0.005 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)