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 82 Subcatchment P3A-P: P3A PERVIOUS Hydrograph Runoff 0.14 0.13 cfs 0.13 NOAA 24-hr D 0.12 2-Year-2050 Rainfall=4.09" 0.11 0.1 P2=4.09" 0.09 Runoff Area=5,928 sf Runoff Volume=821 cf Flow (cfs) 0.08 0.07 Runoff Depth=1.66" 0.06 Flow Length=129' 0.05 Tc=5.7 min 0.04 CN=74 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 31 32 33 34 35 36 Time (hours)