HY-8 Culvert Analysis Report
Table 1 - Project Headwater Table
Crossing Culvert Total Culvert Headwater Inlet Outlet HW / D Normal Critical Outlet Outlet
Name Name Discharge Discharg Elevation Control Control (m) Depth Depth Depth Velocity
(cms) e (cms) (m) Depth Depth (m) (m) (m) (m/s)
(m) (m)
Crossing Culvert 1 5.00 5.00 11.34 1.09 0.796 0.18 0.47 0.77 0.57 3.58
1
Crossing Input: Crossing 1
Parameter Value Units
DISCHARGE DATA
Discharge Method Minimum, Design, and
Maximum
Minimum Flow 0.000 cms
Design Flow 5.000 cms
Maximum Flow 5.000 cms
TAILWATER DATA
Channel Type Trapezoidal Channel
Bottom Width 5.000 m
Side Slope (H:V) 1.000 _:1
Channel Slope 0.0010 m/m
Manning's n (channel) 0.030
Channel Invert Elevation 10.000 m
Rating Curve View...
ROADWAY DATA
Roadway Profile Shape Constant Roadway
Elevation
First Roadway Station 0.000 m
Crest Length 5.000 m
Crest Elevation 15.000 m
Roadway Surface Paved
Top Width 5.000 m
Culvert Input: Crossing 1
Parameter Value Units
CULVERT DATA
Name Culvert 1
Shape Circular
Material Concrete
Diameter 1800.000 mm
Embedment Depth 0.000 mm
Manning's n 0.013
Culvert Type Straight
Inlet Configuration Square Edge with Headwall
(Ke=0.5)
Inlet Depression? No
SITE DATA
Site Data Input Option Culvert Invert Data
Inlet Station 0.000 m
Inlet Elevation 10.250 m
Outlet Station 12.000 m
Outlet Elevation 10.000 m
Number of Barrels 2
Computed Culvert Slope 0.020833 m/m
Table 2 - Culvert Summary Table: Culvert 1
Total Culvert Headwater Inlet Outlet HW Flow Normal Critical Outlet Tailwater Outlet Tailwater
Discharge Discharg Elevation Control Control /D Type Depth Depth Depth Depth Velocity Velocity
(cms) e (cms) (m) Depth Depth (m) (m) (m) (m) (m) (m/s) (m/s)
(m) (m)
0.00 0.00 10.25 0.00 0.000 0.00 0-NF 0.00 0.00 0.00 0.00 0.00 0.00
0.50 0.50 10.57 0.32 0.0* 0.05 1-S2n 0.15 0.24 0.16 0.24 2.21 0.39
1.00 1.00 10.70 0.45 0.124 0.08 1-S2n 0.21 0.34 0.23 0.37 2.59 0.50
1.50 1.50 10.81 0.56 0.230 0.09 1-S2n 0.26 0.41 0.29 0.47 2.81 0.58
2.00 2.00 10.90 0.65 0.324 0.11 1-S2n 0.30 0.48 0.34 0.56 2.98 0.64
2.50 2.50 10.98 0.73 0.411 0.12 1-S2n 0.33 0.54 0.39 0.64 3.12 0.69
3.00 3.00 11.05 0.80 0.493 0.14 1-S2n 0.37 0.59 0.43 0.71 3.23 0.73
3.50 3.50 11.12 0.87 0.572 0.15 1-S2n 0.39 0.64 0.47 0.78 3.33 0.77
4.00 4.00 11.20 0.95 0.648 0.16 1-S2n 0.42 0.69 0.50 0.85 3.42 0.81
4.50 4.50 11.27 1.02 0.723 0.17 1-S2n 0.45 0.73 0.54 0.91 3.50 0.84
5.00 5.00 11.34 1.09 0.796 0.18 1-S2n 0.47 0.77 0.57 0.97 3.58 0.87
29.55 27.86 15.34 5.09 4.868 0.86 4-FFf 1.26 1.71 1.80 2.65 5.47 1.46
* Full Flow Headwater elevation is below inlet invert.
Water Surface Profile Plot for Culvert: Culvert 1
Culvert Barrel Data
Culvert Barrel Type: Straight Culvert
Inlet Elevation(invert): 10.25 m
Outlet Elevation (invert): 10.00 m
Culvert Length: 12.00 m
Culvert Slope: 0.02 m/m
Culvert Data Summary - Culvert 1
Barrel Shape: Circular
Barrel Diameter: 1800.00 mm
Barrel Material
Embedment: 0.00 mm
Barrel Manning's n: 0.0130
Culvert Type: Straight
Inlet Configuration: Square Edge with Headwall (Ke=0.5)
Inlet Depression: None
