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23-4121 storm calcs - Proposed Type II 24-hr 25-Year Rainfall=3.84" Prepared by Carmina Wood Design Printed 5/14/2026 HydroCAD® 10.20-8a s/n 05019 © 2025 HydroCAD Software Solutions LLC Page 25 Subcatchment 1S: Proposed - North Hydrograph Runoff 10 9.47 cfs 9 Type II 24-hr 25-Year Rainfall=3.84" 8 Runoff Area=159,502 sf 7 Runoff Volume=35,532 cf Flow (cfs) 6 Runoff Depth=2.67" 5 Flow Length=738' 4 Tc=24.8 min 3 CN=89 2 1 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Time (hours) Page 547 of 849