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23-4121 storm calcs - Proposed Type II 24-hr 10-Year Rainfall=3.14" Prepared by Carmina Wood Design Printed 5/14/2026 HydroCAD® 10.20-8a s/n 05019 © 2025 HydroCAD Software Solutions LLC Page 17 Subcatchment 1S: Proposed - North Hydrograph 8 Runoff 7.22 cfs 7 Type II 24-hr 10-Year Rainfall=3.14" 6 Runoff Area=159,502 sf 5 Runoff Volume=26,940 cf Flow (cfs) Runoff Depth=2.03" 4 Flow Length=738' 3 Tc=24.8 min CN=89 2 1 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Time (hours) Page 539 of 849