SW3181201_Design Calculations_20220624

Channel Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Swale #1
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 3.00, 3.00
Total Depth (ft)
= 1.00
Invert Elev (ft)
= 511.63
Slope (%)
= 3.74
N-Value
= 0.030
Calculations
Compute by:
Known Q
Known Q (cfs)
= 7.79
Elev (ft) Section
513.00
512.50
512.00
511.50
511.00
1 2 3 4
Highlighted
Depth (ft)
Q (cfs)
Area (sqft)
Velocity (ft/s)
Wetted Perim (ft)
Crit Depth, Yc (ft)
Top Width (ft)
EGL (ft)
5 6
Reach (ft)
Friday, Jun 24 2022
= 0.49
= 7.790
= 1.70
= 4.58
= 5.10
= 0.59
= 4.94
= 0.82
Depth (ft)
1.37
1 :l
0.37
-0.13
RdSe7
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Channel Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Swale #2
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 3.00, 3.00
Total Depth (ft)
= 1.00
Invert Elev (ft)
= 510.01
Slope (%)
= 1.88
N-Value
= 0.030
Calculations
Compute by:
Known Q
Known Q (cfs)
= 2.25
Elev (ft) Section
512.00
511.50
511.00
510.50
510.00
509.50
Friday, Jun 24 2022
Highlighted
Depth (ft)
= 0.31
Q (cfs)
= 2.250
Area (sqft)
= 0.91
Velocity (ft/s)
= 2.48
Wetted Perim (ft)
= 3.96
Crit Depth, Yc (ft)
= 0.30
Top Width (ft)
= 3.86
EGL (ft)
= 0.41
1 2 3 4 5 6 7 8 9 10
Reach (ft)
Depth (ft)
1.99
1.49
0.49
-0.01
WMIS

Channel Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Swale #3
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 3.00, 3.00
Total Depth (ft)
= 1.00
Invert Elev (ft)
= 503.30
Slope (%)
= 2.89
N-Value
= 0.030
Calculations
Compute by:
Known Q
Known Q (cfs)
= 1.64
Elev (ft) Section
505.00
504.50
504.00
503.50
503.00
502.50
Friday, Jun 24 2022
Highlighted
Depth (ft)
= 0.23
Q (cfs)
= 1.640
Area (sqft)
= 0.62
Velocity (ft/s)
= 2.65
Wetted Perim (ft)
= 3.45
Crit Depth, Yc (ft)
= 0.25
Top Width (ft)
= 3.38
EGL (ft)
= 0.34
1 2 3 4 5 6 7 8 9 10
Reach (ft)
Depth (ft)
1.70
1.20
0.70
0.20
-0.30
■ MA21

Channel Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Swale #4
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 3.00, 3.00
Total Depth (ft)
= 1.00
Invert Elev (ft)
= 503.11
Slope (%)
= 3.58
N-Value
= 0.030
Calculations
Compute by:
Known Q
Known Q (cfs)
= 2.08
Elev (ft) Section
505.00
504.50
504.00
503.50
503.00
502.50
Friday, Jun 24 2022
Highlighted
Depth (ft)
= 0.25
Q (cfs)
= 2.080
Area (sqft)
= 0.69
Velocity (ft/s)
= 3.03
Wetted Perim (ft)
= 3.58
Crit Depth, Yc (ft)
= 0.28
Top Width (ft)
= 3.50
EGL (ft)
= 0.39
1 2 3 4 5 6 7 8 9 10
Reach (ft)
Depth (ft)
1.89
1.39
0.39
-0.11
■iftx

Channel Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.
Swale #5
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 3.00, 3.00
Total Depth (ft)
= 1.00
Invert Elev (ft)
= 503.77
Slope (%)
= 2.32
N-Value
= 0.030
Calculations
Compute by:
Known Q
Known Q (cfs)
= 9.02
Elev (ft) Section
505.00
504.50
504.00
503.50
503.00
1 2 3 4
Highlighted
Depth (ft)
Q (cfs)
Area (sqft)
Velocity (ft/s)
Wetted Perim (ft)
Crit Depth, Yc (ft)
Top Width (ft)
EGL (ft)
5 6
Reach (ft)
Friday, Jun 24 2022
= 0.60
= 9.020
= 2.28
= 3.96
= 5.79
= 0.63
= 5.60
= 0.84
Depth (ft)
1.23
0.73
0.23
-0.27
RIir1
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