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MSE 24-hr 3 2-Year Rainfall=2.81"2039 Proposed (1-3-2023)
<br /> Printed 1/3/2023Prepared by Plowe Engineering, Inc.
<br />Page 3HydroCAD® 10.00-24 s/n 01574 © 2018 HydroCAD Software Solutions LLC
<br />Summary for Subcatchment N1:
<br />Runoff = 0.84 cfs @ 12.15 hrs, Volume= 2,423 cf, Depth= 0.54"
<br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs
<br />MSE 24-hr 3 2-Year Rainfall=2.81"
<br />Area (sf) CN Description
<br />* 6,183 98 New Impervious
<br />7,000 55 Woods, Good, HSG B
<br />40,904 61 >75% Grass cover, Good, HSG B
<br />54,087 Weighted Average
<br />47,904 60 88.57% Pervious Area
<br />6,183 98 11.43% Impervious Area
<br />Tc Length Slope Velocity Capacity Description
<br />(min) (feet) (ft/ft) (ft/sec) (cfs)
<br />7.0 Direct Entry,
<br />Summary for Subcatchment N2.1:
<br />Runoff = 1.18 cfs @ 12.14 hrs, Volume= 2,916 cf, Depth= 1.31"
<br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs
<br />MSE 24-hr 3 2-Year Rainfall=2.81"
<br />Area (sf) CN Description
<br />* 11,875 98 New Impervious
<br />* 14,753 61 >75% Grass cover, Good, HSG B
<br />26,628 Weighted Average
<br />14,753 61 55.40% Pervious Area
<br />11,875 98 44.60% Impervious Area
<br />Tc Length Slope Velocity Capacity Description
<br />(min) (feet) (ft/ft) (ft/sec) (cfs)
<br />7.0 Direct Entry,
<br />Summary for Subcatchment N2.2:
<br />Runoff = 1.63 cfs @ 12.14 hrs, Volume= 4,030 cf, Depth= 1.33"
<br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs
<br />MSE 24-hr 3 2-Year Rainfall=2.81"
<br />Area (sf) CN Description
<br />* 16,663 98 New Impervious
<br />3,000 55 Woods, Good, HSG B
<br />16,716 61 >75% Grass cover, Good, HSG B
<br />36,379 Weighted Average
<br />19,716 60 54.20% Pervious Area
<br />16,663 98 45.80% Impervious Area
<br />Tc Length Slope Velocity Capacity Description
<br />(min) (feet) (ft/ft) (ft/sec) (cfs)
<br />7.0 Direct Entry,
<br />Summary for Subcatchment N2.3:
<br />Runoff = 1.19 cfs @ 12.15 hrs, Volume= 3,030 cf, Depth= 1.02"
<br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-100.00 hrs, dt= 0.01 hrs
<br />MSE 24-hr 3 2-Year Rainfall=2.81"
<br />Area (sf) CN Description
<br />* 3,758 98 New Impervious
<br />* 7,675 98 CSAH 58
<br />2,000 55 Woods, Good, HSG B
<br />22,228 61 >75% Grass cover, Good, HSG B
<br />35,661 Weighted Average
<br />24,228 61 67.94% Pervious Area
<br />11,433 98 32.06% Impervious Area
<br />Tc Length Slope Velocity Capacity Description
<br />(min) (feet) (ft/ft) (ft/sec) (cfs)
<br />7.0 Direct Entry,
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