Stormwater Management Report 03302026

24-223 DRAINAGE DESIGN-PROPOSED-2026-03-30 NOAA 24-hr D 10-Year-2020 Rainfall=5.38", 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 26 Subcatchment 1S: Roof Hydrograph Runoff 2.63 cfs NOAA 24-hr D 10-Year-2020 Rainfall=5.38" P2=3.47" 2 Runoff Area=40,040 sf Runoff Volume=17,159 cf Flow (cfs) Runoff Depth=5.14" Flow Length=466' 1 Tc=1.5 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 Time (hours)