CPM Group Ltd | Drainage | Flexible jointed pipes

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Short Length and Rocker Pipes

To allow for any differential settlement between manhole and pipeline, short lengths of either spigot/socket butt pipes should be built into the manhole wall. A rocker pipe should then be laid connecting the short spigot/socket butt pipe to the incoming/outgoing pipe run, thereby incorporating a flexible joint close to the manhole.

Short length pipes (spigot or socket butts)

short length pipes for entry or exit to a manhole are available in the tabled standard lengths.

Rocker pipes (joint both ends)

rocker pipes are available cast monolithically