Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-EXISTING-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 96 Subcatchment E1A: E1A DISTURBED/IMPERVIOUS Hydrograph 11 Runoff 9.89 cfs 10 NOAA 24-hr D 9 100-Year-2050 Rainfall=11.52" 8 P2=4.09" Runoff Area=69,966 sf 7 Runoff Volume=65,760 cf Flow (cfs) 6 Runoff Depth=11.28" 5 Flow Length=443' 4 Tc=2.1 min CN=98 3 2 1 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)