Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-PROPOSED-UPDATE NOAA 24-hr D 100-Year-2050 Rainfall=11.52", 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 124 Subcatchment P3A-IMP: P3A IMPERVIOUS Hydrograph Runoff 0.6 0.57 cfs 0.55 NOAA 24-hr D 100-Year-2050 Rainfall=11.52" 0.5 P2=4.09" 0.45 Runoff Area=4,040 sf 0.4 Runoff Volume=3,797 cf Flow (cfs) 0.35 Runoff Depth=11.28" 0.3 Flow Length=435' 0.25 Slope=0.0500 '/' Tc=1.9 min 0.2 CN=98 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 31 32 33 34 35 36 Time (hours)