Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-EXISTING-UPDATE NOAA 24-hr D 10-Year-2020 Rainfall=5.38", 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 39 Summary for Link E-DP 1: EXIST DP 1 Inflow Area = 116,669 sf, 61.62% Impervious, Inflow Depth = 4.08" for 10-Year-2020 event Inflow = 5.82 cfs @ 12.03 hrs, Volume= 39,692 cf Primary = 5.82 cfs @ 12.03 hrs, Volume= 39,692 cf, Atten= 0%, Lag= 0.0 min Routed to Link 9L : TOTAL EXISTING Primary outflow = Inflow, Time Span= 0.00-36.00 hrs, dt= 0.50 hrs Link E-DP 1: EXIST DP 1 Hydrograph Inflow 5.82 cfs Primary 6 5.82 cfs Inflow Area=116,669 sf 5 4 Flow (cfs) 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)