Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-EXISTING-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 92 Subcatchment E2B-IMP: E2B IMPERVIOUS Hydrograph 0.19 Runoff 0.18 0.17 cfs 0.17 NOAA 24-hr D 0.16 0.15 100-Year-2050 Rainfall=11.52" 0.14 P2=4.09" 0.13 Runoff Area=1,202 sf 0.12 Runoff Volume=1,130 cf 0.11 Flow (cfs) 0.1 Runoff Depth=11.28" 0.09 Flow Length=188' 0.08 Tc=1.1 min 0.07 CN=98 0.06 0.05 0.04 0.03 0.02 0.01 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)