SW6210906_Design Calculations (Pipe 1)_20211014

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc.Tuesday, Sep 14 2021
PIPE 1
Invert Elev Dn (ft)= 179.20
Calculations
Pipe Length (ft)= 76.00Qmin (cfs)= 1.85
Slope (%)= 0.50Qmax (cfs)= 1.85
Invert Elev Up (ft)= 179.58Tailwater Elev (ft)= (dc+D)/2
Rise (in)= 18.0
Shape= Circular
Highlighted
Span (in)= 18.0
Qtotal (cfs)= 1.85
No. Barrels= 1
Qpipe (cfs)= 1.85
n-Value= 0.012
Qovertop (cfs)= 0.00
Culvert Type= Circular Concrete
Veloc Dn (ft/s)= 1.47
Culvert Entrance= Groove end projecting (C)
Veloc Up (ft/s)= 2.81
Coeff. K,M,c,Y,k= 0.0045, 2, 0.0317, 0.69, 0.2
HGL Dn (ft)= 180.21
HGL Up (ft)= 180.18
Hw Elev (ft)= 180.28
Embankment
Top Elevation (ft)= 182.03Hw/D (ft)= 0.47
Top Width (ft)= 56.00Flow Regime= Inlet Control
Crest Width (ft)= 10.00