2025 02 Drainage Statement Signed

2025-01 HydroCAD Prepared by Dynamic Engineering HydroCAD® 10.20-6a s/n 08640 © 2024 HydroCAD Software Solutions LLC NOAA 24-hr D 2-Year Rainfall=3.44" Printed 2/21/2025 2025-01 HydroCAD NOAA 24-hr D 2-Year Rainfall=3.44" Prepared by Dynamic Engineering Printed 2/21/2025 HydroCAD® 10.20-6a s/n 08640 © 2024 HydroCAD Software Solutions LLC Page 21 Hydrograph for Link SL: Existing Total Time Inflow Elevation Primary | Time Inflow Elevation Primary (hours) (cfs) (eet) (cfs) } (hours) (cfs) (feet) (cls) 0.00 0.00 0.00 0.00 | 26.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 | 26.50 0.00 0.00 0.00 1.00 0.00 0.00 0.00 | 27.00 0.00 0.00 0.00 1.50 0.01 0.00 oot | 27.50 0.00 0.00 0.00 2.00 0.01 0.00 oot | 28.00 0.00 0.00 0.00 2.50 0.02 0.00 0.02 | 28.50 0.00 0.00 0.00 3.00 0.02, 0.00 0.02 | 29.00 0.00 0.00 0.00 3.50 0.03, 0.00 0.03 | 29.50 0.00 0.00 0.00 4,00 0.03 0.00 0.03 | 30.00 0.00 0.00 0.00 4.50 0.03 0.00 0.03 5.00 0.04 0.00 0.04 5.50 0.04 0.00 0.04 6.00 0.04 0.00 0.04 6.50 0.05 0.00 0.05 7.00 0.06 0.00 0.06 7.50 0.06 0.00 0.06 8.00 0.07 0.00 0.07 8.50 0.08 0.00 0.08 9.00 0.09 0.00 0.09 9.50 ot 0.00 ont 10.00 0.13 0.00 0.13 10.50 0.16 0.00 0.16 11.00 0.24 0.00 0.24 11.50 0.40, 0.00 0.40 12.00 1.89 0.00 1.89 12.50 0.62 0.00 0.62 13.00 0.33, 0.00 0.33, 13.50 0.21 0.00 0.21 14.00 017 0.00 017 14.50 0.14 0.00 0.14 15.00 ott 0.00 ott 15.50 0.10 0.00 0.10 16.00 0.09 0.00 0.09 16.50 0.09 0.00 0.09 17.00 0.08 0.00 0.08 17.50 0.07 0.00 0.07 18.00 0.06 0.00 0.06 18.50 0.06 0.00 0.06 19.00 0.06 0.00 0.06 19.50 0.06 0.00 0.06 20.00 0.05, 0.00 0.05, 20.50 0.05 0.00 0.05 21.00 0.05 0.00 0.05 21.50 0.05 0.00 0.05 22.00 0.05 0.00 0.05 22.50 0.04 0.00 0.04 23.00 0,04 0.00 0.04 23.50 0.04 0.00 0.04 24.00 0.04 0.00 0.04 24.50 0.00 0.00 0.00 25.00 0.00 0.00 0.00, 25.50 0.00 0.00 0.00 Summary for Link 6L: Proposed Total Inflow Area 1.133 ac, 74.29% Impervious, Inflow Depth = 2.66" for 2-Year event Inflow 3.17 cfs @ 12.10 hrs, Volume= 0.251 af Primary 3.17 cfs @ 12.10 hrs, Volume= 0.251 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 0,00-30.00 hrs, dt= 0.05 hrs Link 6L: Proposed Total Hydrograph Flow (efs) TUT 12 19 te We We WT Te 19 20 21 22 23 24 25 26 27 28 29 20 Time (hours)