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S:\plowe\cad\23proj\2129 Jerry Carlson Little Canada\2129 MISC\Round 1 - 12.28.23\ MSE 24-hr 3 100-Year Rainfall=7.39"2129 Sunrise Over Gervais - Proposed (12-28-2023) Printed 12/28/2023Prepared by Plowe Engineering, Inc. Page 17HydroCAD® 10.00-26 s/n 01574 © 2020 HydroCAD Software Solutions LLC Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, DIRECT Summary for Subcatchment A4: CORNER FRONTAGE Runoff = 0.71 cfs @ 12.12 hrs, Volume= 0.035 af, Depth= 5.14" Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs MSE 24-hr 3 100-Year Rainfall=7.39" Area (sf) CN Description * 1,717 61 PERVIOUS * 1,838 98 IMPERVIOUS 3,555 Weighted Average 1,717 48.30% Pervious Area 1,838 51.70% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, DIRECT Summary for Reach R1: WEST Inflow Area = 0.713 ac, 2.01% Impervious, Inflow Depth = 3.07" for 100-Year event Inflow = 3.87 cfs @ 12.15 hrs, Volume= 0.183 af Outflow = 3.87 cfs @ 12.15 hrs, Volume= 0.183 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs Summary for Reach R2: NORTH Inflow Area = 2.086 ac, 30.86% Impervious, Inflow Depth = 3.36" for 100-Year event Inflow = 6.16 cfs @ 12.17 hrs, Volume= 0.584 af Outflow = 6.16 cfs @ 12.17 hrs, Volume= 0.584 af, Atten= 0%, Lag= 0.0 min Routing by Dyn-Stor-Ind method, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs Summary for Pond D1: DITCH AFTER GRADING Inflow Area = 2.086 ac, 30.86% Impervious, Inflow Depth = 3.36" for 100-Year event Inflow = 7.78 cfs @ 12.13 hrs, Volume= 0.584 af Outflow = 6.17 cfs @ 12.17 hrs, Volume= 0.584 af, Atten= 21%, Lag= 2.3 min Discarded = 0.01 cfs @ 12.17 hrs, Volume= 0.000 af Primary = 6.16 cfs @ 12.17 hrs, Volume= 0.584 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs