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 90 Subcatchment E2-P: E2A PERVIOUS Hydrograph 0.26 Runoff 0.25 0.23 cfs 0.24 0.23 NOAA 24-hr D 0.22 0.21 100-Year-2050 Rainfall=11.52" 0.2 0.19 P2=4.09" 0.18 Runoff Area=2,099 sf 0.17 0.16 Runoff Volume=1,428 cf 0.15 Flow (cfs) 0.14 Runoff Depth=8.17" 0.13 0.12 Flow Length=129' 0.11 Slope=0.0600 '/' 0.1 0.09 Tc=5.7 min 0.08 0.07 CN=74 0.06 0.05 0.04 0.03 0.02 0.01 0 0 1 2 3 4 5 6 7

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)