Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-PROPOSED-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 102 Subcatchment P3A-P: P3A PERVIOUS Hydrograph Runoff 0.3 0.28 cfs 0.28 NOAA 24-hr D 0.26 10-Year-2050 Rainfall=6.37" 0.24 P2=4.09" 0.22 0.2 Runoff Area=5,928 sf Runoff Volume=1,728 cf Flow (cfs) 0.18 0.16 Runoff Depth=3.50" 0.14 Flow Length=129' 0.12 0.1 Tc=5.7 min 0.08 CN=74 0.06 0.04 0.02 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)