Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-EXISTING-UPDATE NOAA 24-hr D 100-Year-2020 Rainfall=9.18", P2=3.47" Prepared by Jarmel Kizel Architects & Engnrs Printed 1/28/2026 HydroCAD® 10.20-6a s/n 12607 © 2024 HydroCAD Software Solutions LLC Page 55 Summary for Link 8L: EXISTING DISTURBED Inflow Area = 77,894 sf, 89.82% Impervious, Inflow Depth = 8.61" for 100-Year-2020 event Inflow = 8.52 cfs @ 12.01 hrs, Volume= 55,917 cf Primary = 8.52 cfs @ 12.01 hrs, Volume= 55,917 cf, Atten= 0%, Lag= 0.0 min Routed to Link E-DP 1 : EXIST DP 1 Primary outflow = Inflow, Time Span= 0.00-36.00 hrs, dt= 0.50 hrs Link 8L: EXISTING DISTURBED Hydrograph Inflow 8.52 cfs Primary 9 8.52 cfs Inflow Area=77,894 sf 8 7 6 Flow (cfs) 5 4 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)