Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

24-223 DRAINAGE DESIGN-PROPOSED-UPDATE NOAA 24-hr D 2-Year-2050 Rainfall=4.09", 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 74 Subcatchment P1-I: P1 IMPERVIOUS PARKING Hydrograph Runoff 0.99 cfs 1 NOAA 24-hr D 2-Year-2050 Rainfall=4.09" P2=4.09" Runoff Area=19,976 sf Runoff Volume=6,417 cf Flow (cfs) Runoff Depth=3.85" Flow Length=425' Tc=2.6 min CN=98 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)