SW3220201_Design Calculations_20220419

7.28 10-Year Precipitation
FES 06
Roof Drain (East Side)
Frank Liske Park Barn
Flow Calcs - 4.11.22
RAW AREA (SF) ACRES
LAND
10,019
0.231
Land Total
C
INDIVIDUAL C
7,841
0.19
Pervious
0.30
0.23
2,178
0.05Impervious
0.95
0.21
ROOF
0
0.00
Roof
0.95
0.00
Q10
TOTAL
10,029' 0.23;
VA:
0.74
RAW AREA (SF) ACRES
LAND
1,743
0.04
Land Total
C
INDIVIDUAL[
0
0.00
Pervious
0.30
0.00
0
0.00
Impervious
0.95
0.00
ROOF
1,743
0.04
Roof
0.95
0.95
Q10
TOTAL
1,743;
0.04. 0.9s
0.28
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Channel Report
Hydraftow Express Extension forAutodesk® Civil 3D@ by Autodesk, Inc.
<Name>
Circular
Diameter (ft)
= 1.00
Invert Elev (ft)
= 647.00
Slope (%)
= 1.40
N-Value
= 0.012
Calculations
Compute by:
Known Q
Known Q (cfs)
= 0.74
Reach (ft)
Highlighted
Depth (ft)
Q (cfs)
Area (sgft)
Velocity (fUs)
Wetted Perim (ft)
Crit Depth, Yc (ft)
Top Width (ft)
EGL (ft)
Tuesday, Apr 12 2022
= 0.10
0.080
= 0.04
= 1,94
= 0.64
= 0.12
= 0.60
= 0.16

Channel Report
Hydraflow Express Extension for Autodesk@ Civil 3CO by Autodesk, Inc.
<Name>
Circular
Diameter (ft)
= 0.50
Invert Elev (ft)
= 648,00
Slope (%)
= 0.50
N-Value
= 0.012
Calculations
Compute by:
Known Q
Known Q (cfs)
= 0.28
Highlighted
Depth (ft)
Q (cfs)
Area (sqft)
Velocity (fUs)
Wetted Perim (ft)
Crit Depth, Yc (ft)
Top Width (ft)
EGL (ft)
Tuesday, Apr 12 2022
= 0.30
= 0.280
= 0.12
= 2.27
= 0.89
= 0.27
= 0.49
= 0,38
Elev (ft) dame> Depth (ftj
649.00 1.01)
648.75 0.75
648.50 0.50
648.25 0.25
648,00 0.00
64775 -0,25
0 1 2 3
Channel W.S.
Reacts (ft)