In my previous experience, I’ve spent many hours operating numerous types of saws in various settings, such as felling a tree during seasonal work in my college years or emergency tree removal work in the aftermath of destructive storms while serving on a right-of-way crew. Whether you’re trimming a tree or cutting a piece of Ductile iron pipe (DI pipe), they share similarities, such as analyzing the situation, safety first, measuring twice, and cutting once.
Occasionally, Installers in the water industry may experience difficulties when attempting to assemble cut lengths of large diameter pipe. This is sometimes due to ovality issues with the pipe material, especially when installing large-diameter, thin wall pipe. Inexperience with handling the occasional oval pipe can lead to a rather frustrating day. Utilization of proper materials and installation practices can resolve the issues more easily and help to ensure the pipeline will function as intended well beyond the designed expectations.
Is every piece of Ductile iron pipe (DI pipe) round? The short answer is no, but most of the time, a piece of pipe may be so slightly oval that it is not even noticeable to the end user. In fact, the way pipe is manufactured today, out-of-round issues are rarely a concern. At our foundries, there are quality assurance procedures in place that help safeguard this from occurring. However, there are occasions when you may encounter a piece of pipe in the field, typically on a field cut, that is too oval to facilitate an easy assembly. This #IronStrong Blog provides step-by-step instructions on how to round an oval ductile iron pipe using a field rounding kit.
Have you ever been on a Ductile iron pipe (DI pipe) installation with restrained joint gaskets and needed to uninstall a previously assembled joint? This is normally prompted by the need to replace a displaced or a “pinched” gasket. Proper gasket placement and attention during assembly is the best way to avoid such conditions, as detailed in a previous blog by McWane Ductile. Unfortunately, the problem often does not arise until the pipeline is hydrostatically tested. In today’s Iron Strong Blog, we will examine the “Dos & Don'ts" of uninstalling with DI pipe restrained joint gaskets.
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