Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-PROPOSED-2026-03-30 NOAA 24-hr D 100-Year-2020 Rainfall=9.18", P2=3.47" Prepared by Jarmel Kizel Architects & Engnrs Printed 3/30/2026 HydroCAD® 10.20-6a s/n 12607 © 2024 HydroCAD Software Solutions LLC Page 48 Subcatchment 1S: Roof Hydrograph 5 Runoff 4.51 cfs NOAA 24-hr D 4 100-Year-2020 Rainfall=9.18" P2=3.47" Runoff Area=40,040 sf 3 Runoff Volume=29,828 cf Flow (cfs) Runoff Depth=8.94" Flow Length=466' 2 Tc=1.5 min CN=98 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 Time (hours)