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25-4181 storm calcs - proposed Type II 24-hr 1-Year Rainfall=1.87" Prepared by Carmina Wood Design Printed 2/11/2026 HydroCAD® 10.20-8a s/n 05019 © 2025 HydroCAD Software Solutions LLC Page 9 Subcatchment 2S: Proposed Site Hydrograph Runoff 2.00 cfs 2 Type II 24-hr 1-Year Rainfall=1.87" Runoff Area=53,039 sf Runoff Volume=4,350 cf Flow (cfs) Runoff Depth=0.98" 1 Flow Length=368' Tc=7.4 min CN=90 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Time (hours) Page 39 of 65