Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-EXISTING-UPDATE NOAA 24-hr D 10-Year-2050 Rainfall=6.37", 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 86 Subcatchment E2-P: E2A PERVIOUS Hydrograph 0.11 Runoff 0.105 0.10 cfs 0.1 NOAA 24-hr D 0.095 0.09 10-Year-2050 Rainfall=6.37" 0.085 0.08 P2=4.09" 0.075 0.07 Runoff Area=2,099 sf 0.065 Runoff Volume=612 cf Flow (cfs) 0.06 0.055 Runoff Depth=3.50" 0.05 0.045 Flow Length=129' 0.04 Slope=0.0600 '/' 0.035 0.03 Tc=5.7 min 0.025 0.02 CN=74 0.015 0.01 0.005 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

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