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  April 23, 2006

Installation Guidelines Introduction Line & Grade
Embedment Material
Joint Assembly
Vehicular & Construction Loads Test Yourself
Introduction Pre-Construction Standard Installation Installation Considerations Post Construction References

 Standard Installation


Joint Assembly

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Split couplers are easily installed by laying the adjoining sections of pipe in the open split coupler and wrapping the coupler around the pipe. Nylon ties may then be fed through the holes in the end of the coupler to secure the coupler to the pipe. The pipe and the inside of the coupler should be clean and free of dirt prior to securing the coupler. Bell and spigot or bell-bell couplers incorporating an elastomeric rubber gasket are either an in-line bell (Pro-Link Ultra), a welded bell (Pro-Link ST or WT) or a bell-bell (Pro-Link WT). These couplers are easily installed by the following procedure which will ensure the specified performance.

1. Thoroughly clean the bell and spigot ends, making sure they are free of mud and grit. Remove the protective shrink-wrap from the gasket. If the gasket has been removed, make sure the gasket seat is clean and reinstall the gasket by stretching it over the pipe and nesting it in the seat. Gaskets should be installed with the marking facing the coupler.

2. Remove shipping collars (where provided) prior to lowering the pipe in the trench. Properly dispose of shipping collars outside the pipe trench. Do not install pipe with shipping collars on the pipe and do not dispose of shipping collars in the trench.

3. Lubricant is supplied for gasketed joint installation in either buckets or spray lubricant. The lubricant should be liberally applied to both the bell and spigot ends of the pipe. Care should be taken to ensure lubricant is applied to the chamfered leading edge of the bell.

4. Align the pipe and push the spigot home on grade. Joints should be installed with bells facing upstream for proper installation. Generally, pipes should be laid starting at the downstream end and working upstream. Small diameter pipe (below 24") can usually be installed by pushing the joint home by hand. Larger diameters may necessitate using a bar or equipment to push home. If a bar or equipment is utilized a wood block should be used to prevent damage to the bell. When pushing the joint home, make sure bedding material is not pulled into the bell by the spigot. Material such as small stones and sand pulled into the bell as the pipe is joined can cause leaks.

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