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 130 Subcatchment P3B-P: P3B PERVIOUS Hydrograph 0.23 Runoff 0.22 0.21 cfs 0.21 NOAA 24-hr D 0.2 0.19 100-Year-2050 Rainfall=11.52" 0.18 P2=4.09" 0.17 0.16 Runoff Area=1,881 sf 0.15 0.14 Runoff Volume=1,280 cf Flow (cfs) 0.13 Runoff Depth=8.17" 0.12 0.11 Flow Length=188' 0.1 Tc=5.3 min 0.09 0.08 CN=74 0.07 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 31 32 33 34 35 36 Time (hours)