Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-PROPOSED-UPDATE NOAA 24-hr D 2-Year-2050 Rainfall=4.09", P2=4.09" Prepared by Jarmel Kizel Architects & Engnrs Printed 1/28/2026 HydroCAD® 10.20-6a s/n 12607 © 2024 HydroCAD Software Solutions LLC Page 78 Subcatchment P2: P-2 Pervious-w-offsite-Undisturbed Hydrograph 0.7 Runoff 0.64 cfs 0.65 NOAA 24-hr D 0.6 0.55 2-Year-2050 Rainfall=4.09" 0.5 P2=4.09" 0.45 Runoff Area=38,775 sf Runoff Volume=5,145 cf Flow (cfs) 0.4 0.35 Runoff Depth=1.59" 0.3 Flow Length=694' 0.25 Tc=13.1 min 0.2 0.15 CN=73 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 31 32 33 34 35 36 Time (hours)