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MSE 24-hr 3 Rainfall=2.83"2-Yr Proposed <br />Prepared by Schultz Engineering And Site Design <br />Page 8HydroCAD® 10.10-4b s/n 11475 © 2020 HydroCAD Software Solutions LLC <br />Summary for Subcatchment DA1: <br />Runoff = 0.41 cfs @ 12.11 hrs, Volume= 0.021 af, Depth> 2.07" <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-24.00 hrs, dt= 0.05 hrs <br />MSE 24-hr 3 Rainfall=2.83" <br />Area (ac) CN Description <br />0.078 98 Paved parking, HSG D <br />0.044 80 >75% Grass cover, Good, HSG D <br />0.122 92 Weighted Average <br />0.044 80 36.07% Pervious Area <br />0.078 98 63.93% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />5.0 Direct Entry, 5 MINUTE MINIMUM <br />Summary for Subcatchment DA2: <br />Runoff = 0.60 cfs @ 12.11 hrs, Volume= 0.031 af, Depth> 2.49" <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-24.00 hrs, dt= 0.05 hrs <br />MSE 24-hr 3 Rainfall=2.83" <br />Area (ac) CN Description <br />0.139 98 Paved parking, HSG D <br />0.011 80 >75% Grass cover, Good, HSG D <br />0.150 97 Weighted Average <br />0.011 80 7.33% Pervious Area <br />0.139 98 92.67% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />5.0 Direct Entry, 5 MINUTE MINIMUM <br />Summary for Subcatchment DA3A: <br />Runoff = 0.15 cfs @ 12.11 hrs, Volume= 0.008 af, Depth> 2.60" <br />Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.00-24.00 hrs, dt= 0.05 hrs <br />MSE 24-hr 3 Rainfall=2.83" <br />Area (ac) CN Description <br />0.035 98 Paved parking, HSG D <br />0.035 98 100.00% Impervious Area <br />90