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23-4121 storm calcs - Proposed Type II 24-hr 1-Year Rainfall=1.87" Prepared by Carmina Wood Design Printed 5/14/2026 HydroCAD® 10.20-8a s/n 05019 © 2025 HydroCAD Software Solutions LLC Page 11 Subcatchment 2S: Proposed - South Hydrograph Runoff 2.21 cfs Type II 24-hr 2 1-Year Rainfall=1.87" Runoff Area=93,939 sf Runoff Volume=7,211 cf Flow (cfs) Runoff Depth=0.92" Flow Length=627' 1 Tc=19.8 min CN=89 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Time (hours) Page 673 of 849