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0591335 Xcel Brainerd Facility MSE 24hr 3 10-Year Rainfall=3.86" <br /> Prepared by Rehder&Associates, Inc. Printed 12/21/2020 <br /> HydroCAD�10.00-21 s/n 02629 O 2018 HvdroCAD Software Solutions LLC Pa4e 9 <br /> Summary for Subcatchment 1S: EXISTING RUNOFF <br /> Runoff = 10.63 cfs @ 12.31 hrs, Volume= 0.798 af, Depth= 1.78" <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span=0.00-48.00 hrs, dt=0.05 hrs <br /> MSE 24-hr 3 10-Year Rainfall=3.86" <br /> Area(ac) CN Description <br /> 5.390 78 Row crops, straiqht row, Good HSG B <br /> 5.390 100.00% Pervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> _ (min) (feet) (ft/ft) (ft/sec) (cfs) <br /> 20.0 Direct Entry, <br /> Summary for Subcatchment 2S: PROPOSED TO BASIN 1 <br /> Runoff = 7.97 cfs @ 12.17 hrs, Volume= 0.443 af, Depth= 2.51" <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span=0.00-48.00 hrs, dt=0.05 hrs <br /> MSE 24-hr 3 10-Year Rainfall=3.86" <br /> Area(ac) CN Description <br /> * 1.480 98 IMPERVIOUS <br /> 0.640 61 >75% Grass cover Good, HSG B <br /> 2.120 87 Weighted Average <br /> 0.640 30.19% Pervious Area <br /> 1.480 69.81% Impervious Area <br /> Tc Length Slope Velocity Capacity Description <br /> (min) (feet) (ft/ft) (ft/sec) (cfs) <br /> 10.0 Direct Entry, <br /> Summary for Subcatchment 3S: PROPOSED TO BASIN 2 <br /> Runoff = 3.25 cfs @ 12.14 hrs, Volume= 0.157 af, Depth= 2.33" <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span=0.00-48.00 hrs, dt=0.05 hrs <br /> MSE 24-hr 3 10-Year Rainfall=3.86" <br /> Area(ac) CN Description <br /> " 0.520 98 IMPERVIOUS <br /> 0.290 61 >75%Grass cover Good, HSG B <br /> 0.810 85 Weighted Average <br /> 0.290 35.80% Pervious Area <br /> 0.520 64.20% Impervious Area <br />