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CONCRETE PIPE & BOX CULVERT INSTALLATION - American ...

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JOINT PROCEDURES<br />

Joints for pipe sizes up to 24 in. (600 mm) in<br />

diameter can usually be assembled by means of a<br />

bar and wood block. The axis of the pipe section to<br />

be installed should be aligned as closely as possible<br />

to the axis of the last installed pipe section, and<br />

the tongue or spigot end inserted slightly into the<br />

groove or bell. A bar is then driven into the bedding<br />

and wedged against the bottom bell or groove end<br />

of the pipe section being installed. A wood block<br />

is placed horizontally across the end of the pipe to<br />

act as a fulcrum point and to protect the joint end<br />

during assembly. By pushing the top of the vertical<br />

bar forward, lever action pushes the pipe into a<br />

homed position.<br />

When jointing small diameter pipe, a chain or<br />

cable is wrapped around the barrel of the pipe a few<br />

feet behind the tongue or spigot and fastened with<br />

a grab hook or other suitable connecting device. A<br />

lever assembly is anchored to the installed pipe,<br />

several sections back from the last installed sec-<br />

44<br />

<strong>American</strong> Concrete Pipe Association • www.concrete-pipe.org

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