Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-PROPOSED-2026-03-30 NOAA 24-hr D 10-Year-2020 Rainfall=5.38", 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 40 Subcatchment P3B-P: P3B PERVIOUS Hydrograph 0.075 Runoff 0.07 cfs 0.07 0.065 NOAA 24-hr D 0.06 10-Year-2020 Rainfall=5.38" 0.055 P2=3.47" 0.05 Runoff Area=1,881 sf 0.045 Runoff Volume=419 cf Flow (cfs) 0.04 Runoff Depth=2.67" 0.035 0.03 Flow Length=188' 0.025 Tc=5.8 min 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)