Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-PROPOSED-2026-03-30 NOAA 24-hr D 100-Year-2050 Rainfall=11.52", 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 130 Subcatchment P3C: P3C- Roof Area Hydrograph 0.7 Runoff 0.64 cfs 0.65 NOAA 24-hr D 0.6 100-Year-2050 Rainfall=11.52" 0.55 P2=4.09" 0.5 Runoff Area=4,500 sf 0.45 Runoff Volume=4,230 cf Flow (cfs) 0.4 Runoff Depth=11.28" 0.35 Flow Length=106' 0.3 Tc=1.0 min 0.25 CN=98 0.2 0.15 0.1 0.05 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)