SW6210402_Calcs (Culvert)_20220119

Culvert Report
Hydraflow Express Extension for Autodesk® Civil 3D® by Autodesk, Inc. Friday, Nov 12 2021
PO-13 to FES-16
Invert Elev Dn (ft)
= 210.49
Calculations
Pipe Length (ft)
= 108.66
Qmin (cfs)
= 19.24
Slope (%)
= 0.65
Qmax (cfs)
= 19.24
Invert Elev Up (ft)
= 211.20
Tailwater Elev (ft)
_ (dc+D)/2
Rise (in)
= 30.0
Shape
= Circular
Highlighted
Span (in)
= 30.0
Qtotal (cfs)
= 19.24
No. Barrels
= 1
Qpipe (cfs)
= 19.24
n-Value
= 0.012
Qovertop (cfs)
= 0.00
Culvert Type
= Circular Concrete
Veloc Dn (ft/s)
= 4.59
Culvert Entrance
= Square edge w/headwall (C)
Veloc Up (ft/s)
= 6.33
Coeff. K,M,c,Y,k
= 0.0098, 2, 0.0398, 0.67, 0.5
HGL Dn (ft)
= 212.48
HGL Up (ft)
= 212.69
Embankment
Hw Elev (ft)
= 213.45
Top Elevation (ft)
= 215.40
Hw/D (ft)
= 0.90
Top Width (ft)
= 28.00
Flow Regime
= Inlet Control
Crest Width (ft)
= 50.00
eer (t)
216A0
215A0
214A0
213A0
212A0
211 AO
210A0
2 09.00
0
10 20 30 40 50 60
- cirWarcWvert HGL —
Pd-13 to FE5-16
Hw Dep0h (t)
490
390
2E0
180
090
-020
-120
-220
,. 00 90 100 110 12 ia� 140 150
Embank
Reach Iftl