End Sections
ENGINEERED SOLUTIONS
Standard End Sections for
corrugated metal pipe, reinforced
concrete pipe and HDPE Pipe
Easily installed, easily maintained culvert end
treatments
Contech
hydraulically superior method of finishing a variety of culvert
materials.
The lightweight, flexible metal construction of Contech End
Sections creates an attractive, durable and erosion-preventing
treatment for all sizes of culvert inlets and outlets. They can
be used with corrugated metal pipe having either annular or
helical corrugations, and both reinforced concrete and plastic
pipes. End sections can be salvaged when lengthening or
relocating the culvert.
Standard End Sections are fabricated from pregalvanized steel.
For added corrosion resistance, aluminum End Sections are
available in smaller sizes. Special End Sections for multiple pipe
installations may be available on a specific inquiry basis.
Better hydraulics
Flow characteristics are greatly improved by the exacting design
of Contech End Sections. Scour and sedimentation conditions
are improved, and headwater depth can be better controlled.
Culverts aligned with the stream flow and finished with Contech
End Sections generally require no additional hydraulic controls.
®
End Sections provide a practical, economical and
L
Variable Slope
1
Typical Cross Section
2”
8”
Elevation
2”
8”
Elevation
Reinforced Edge
H
Optional Toe
Plate Extension
Reinforced Edge
H
Optional Toe
Plate Extension
Improved appearance
Contech End Sections blend well with the surroundings. The
tapered sides of an End Section merge with slope design to
improve roadside appearance. Unsightly weeds and debris
collection at the culvert end are reduced.
Economical installation
Lightweight equipment and simple crew instructions result
in smooth and easy installation. Contech End Sections are
easily joined to culvert barrels, forming a continuous, onepiece structure. For easiest installation, End Sections should
be installed at the same time as the culvert. Installation is
completed by tamping soil around the End Section.
Low maintenance
Contech End Sections reduce maintenance expense because
their tapered design promotes easier mowing
and snow removal. There is no obstruction to hamper
weed cutting.
Notes for all End Section:
1. All three-piece bodies to have 12-gage sides and 10-gage center panels.
Multiple panel bodies to have lap seams which are to be tightly joined by
galvanized rivets or bolts.
2. For 60” through 84” sizes, reinforced edges are supplemented with stiffener
angles. The angles are attached by galvanized nuts and bolts. For the 66” and
72” equivalent round pipe-arch sizes, reinforced edges are supplemented by
angles. The angles are attached by galvanized nuts and bolts.
3. Angle reinforcements are placed under the center panel seams on the 66” and
72” equivalent round pipe-arch sizes.
4. Toe plate is available as an accessory, when specified on the order, and will be
same gage as the End Section.
5. Stiffener angles, angle reinforcement, and toe plates are the same base metal
as end section body.
6. End sections with 6:1 and 4:1 slopes are available in 12” through 24”
diameters.
7. Actual dimensions may vary slightly.
Table 1
End Sections for Round Pipe (2-2/3” x 1/2”, 3” x 1” and 5” x 1”)
Pipe
Diameter
Inches
Gage
A (Min.)
(Inches)
Approximate Dimensions, Inches
B (Max.)
(Inches)
H (Min.)
(Inches)
12 16 5 7 6 22 21 44 2-1/4
15 16 6 8 6 28 26 52 2-1/4
18 16 7 10 6 34 31 58 2-1/8
21 16 8 12 6 40 36 66 2-1/8
24 16 9 13 6 46 41 72 2-1/8
30 14 11 16 8 55 51 88 2-1/8
36 14 13 19 9 70 60 105 2
42 12 15 25 10 82 69 122 2-1/8
48 12 17 29 12 88 78 131 2
54 12 17 33 12 100 84 143 2
60 12/10 17 36 12 112 87 157 1-/78
66 12/10 17 39 12 118 87 162 1-5/8
72 12/10 17 44 12 120 87 169 1-1/2
78 12/10 17 48 12 130 87 178 1-3/8
84 12/10 17 52 12 136 87 184 1-1/3
Note: Larger sizes available in some locations.
(7)
F (Min.)
(Inches)
L(+/-2”)
(Inches)
W
(Max. Width)
(Inches)
Approx.
Slope
Table 2
Span/
Rise
Equiv. Round
(Inches)
End Sections for Pipe-Arch (2-2/3” x 1/2”)
Approximate Dimensions, Inches
Gage A (Min.)
(Inches)
B (Max.)
(Inches)
H (Min.)
(Inches)
(7)
F (Min.)
(Inches)
L(+/-2”)
(Inches)
W
(Max. Width)
(Inches)
(6)
Approx.
(6)
Slope
6
17”x13” 15 16 5 9 6 28 20 52 2-1/8
21”x15” 18 16 6 11 6 34 24 58 2
24”x18” 21 16 7 12 6 40 28 58 2-1/8
28”x20” 24 16 7 16 6 46 32 66 2
35”x24” 30 14 9 16 6 58 39 72 1-7/8
42”x29” 36 14 11 18 7 73 46 88 1-7/8
49”x33” 42 12 12 21 9 82 53 105 1-3/4
57”x38” 48 12 16 26 12 88 62 122 1-7/8
64”x43” 54 12 17 30 12 100 69 131 1-7/8
71”x47” 60 12 17 36 12 112 77 143 1-7/8
77”x52” 66 12 17 36 12 124 77 157 1-5/8
83”x57” 72 12 17 44 12 130 77 162 1-1/2
Table 3
End Sections for Pipe-Arch (3” x 1” and 5” x 1”)
Approximate Dimensions, Inches
Span/
Rise
Equiv. Round
(Inches)
Gage A (Min.)
(Inches)
B (Max.)
(Inches)
H (Min.)
(Inches)
53”x41” 48 12 17 26 12 88 63 130 1-3/4
60”x46” 54 12 17 36 12 100 70 142 1-7/8
66”x51” 60 12 17 36 12 112 77 156 1-3/4
73”x55” 66 12 17 36 12 124 77 168 1-1/2
81”x59” 72 12 17 44 12 136 77 179 1-5/8
87”x63” 78 12 17 44 12 136 77 186 1-1/2
95”x67” 84 12 17 44 12 160 87 210 1-1/2
103”X71” 90 12 17 44 12 172 87 222 1-1/3
112”x75” 96 12 17 44 12 172 87 226 1-1/4
(7)
F (Min.)
(Inches)
L(+/-2”)
(Inches)
W
(Max. Width)
(Inches)
Approx.
Slope
6
(6)
Contech End Sections attach to corrugated metal pipe,
reinforced concrete and plastic pipe.
End Of Pipe
End Of Pipe
Pipe To
Which End
Section Is
Attached
Flat Strap
Connector
Type 1
Note: The Type 3 connection is not illustrated. This connection is a one-foot length of pipe attached to the end section.
Strap Bolt
1/2”
Threaded
Rod
Type 2
1/2”
Threaded
Rod
Contech End Section
End Section on
Round CSP
End Sections are
available for CSP
Pipe Arch
Dimple
Band Collar
Bolted To End
Section With
3/8” Bolts
Type 5
Contech End Sections
are often used on
concrete pipe. They
can be used on both
the bell and spigot
end.
Low-slope End Sections—
Contech manufactures 4:1
and 6:1 low-slope End
Sections for corrugated
metal pipe. This photo
shows the optional fieldattached safety bars.
Contech Engineered Solutions provides site solutions for the civil
engineering industry. Contech’s portfolio includes bridges, drainage,
retaining walls, sanitary sewer, stormwater, erosion control, soil
stabilization and wastewater treatment products.
For more information, call one of Contech’s Regional Offices
located in the following cities:
Ohio (Corporate Office) 513-645-7000
California (Long Beach) 562-733-0733
Colorado (Denver) 720-587-2700
Florida (Tampa) 727-544-8811
Georgia (Atlanta) 770-409-0814
Maine (Scarborough) 207-885-9830
Maryland (Baltimore) 410-740-8490
Oregon (Portland) 503-258-3180
Texas (Dallas) 972-590-2000
Visit our web site: www.ContechES.com
800-338-1122
NOTHING IN THIS CATALOG SHOULD BE CONSTRUED AS
AN EXPRESSED WARRANTY OR AN IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.
SEE THE CONTECH STANDARD CONDITIONS OF SALE (VIEWABLE
AT WWW.CONTECHES.COM/COS) FOR MORE INFORMATION.
BRO-ENDS 05/12 PDF MC
ENGINEERED SOLUTIONS
©2012 Contech Engineered Solutions LLC
All rights reserved. Printed in USA.
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