There are occasions during field installation of Ductile iron pipe (DI pipe) when a Chamfered edge or a beveled edge may be required. There is typically a sharp edge on any metal pipe after field cutting. This edge is a safety hazard that requires removal. The sharp edge may also damage a gasket during installation, which is an additional reason to remove the sharp edge. Read on to see the differences and why it is essential to have the proper edge on a field-cut DI pipe.
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.
When discussing Ductile iron pipe (DI pipe) in corrosion-resistant applications, glass-lined DI pipe often comes to mind. Glass lining has often been the specified lining for DI pipe in sewer and chemical resistant applications. Common uses for glass-lined pipe are for situations such as a sludge line in a wastewater treatment plant or when harmful chemicals are present in the pipeline. There may be occasions in the field when patching of the glass lining may be necessary.
In the field, a contractor can become frustrated when attempting to locate the source of a water leak in a buried pipeline. Having a reasoned plan of resolve will save a lot of time, money, and headaches, along with demonstrating a true level of professionalism to outside observers. In this Iron Strong blog, we will examine the patterns of thought, questions to be answered, and the different assessments used when locating a leak.
This Blog Reflects Significant Updates for Envision Manual V3. As we know, America's infrastructure is in crisis! According to the American Society of Civil Engineers, the estimated investment needed is $1 Trillion over the next 25 years for underground water infrastructure. This investment, as well as the ever-increasing cost of electricity, limited water supply, ever-decreasing natural resources, and environmental concerns, are driving the need for change. Change on how infrastructure is designed and constructed – utilizing more sustainable design and construction practices. ENVISION is designed to provide guidelines for these changes to North American infrastructure. In short, it is a rating system approach very similar to LEED Building Certification; however, with the focus on infrastructure.
Envision not only asks, ‘Are we doing the project right?’ but also, ‘Are we doing the right project?’
If you're like most people, you probably don't sit around thinking about how much Ductile iron pipe (DI pipe) weighs so in this Iron Strong Blog we are going to tell you where to find the weight of the pipe and why it is essential to familiarize yourself with the weight of the pipe.
In this third installment about Sustainability and Resiliency for our Iron Strong Blog, we are focusing on the resiliency of pipe and pipelines as a result of natural disasters such as storms, floods, and wildfires. While earthquakes and seismic events also need to be considered, much has been written on those aspects and we will discuss them in our next installment. Resiliency means many different things to many different people, and its definition is often a matter of perspective and need. Put simply, resiliency is the ability to survive, resist, or recover from damage due to some external hazard.
Over the years, I have spoken with numerous engineers, utilities, and municipalities, and there seems to be a disconnect when it comes to the overall understanding of when and where cement-mortar-lined pipe can be used in wastewater applications. Due to these grey areas, engineers and owners often specify specialty linings for an entire project when the line could have been specified as either cement-mortar lined ductile iron pipe only or a mixture of specialty lined and cement-lined pipe.
Question – What is the difference between Ductile Iron and Polyvinyl Chloride (PVC)? Answer – Many things, but some groups may attempt to “muddy the waters” with inaccurate information regarding the two materials.
With the information that follows, we will take a closer look at what really separates Ductile Iron from PVC and why it matters.
As the name suggests, Long-Span pipe can extend over distances with fewer supports than conventional Ductile iron pipe (DI pipe). In standard 18-foot lengths of DI pipe, a minimum of one support is required within 2-feet of the Bell for each length of pipe. When using Long-Span pipe, distances of 27-foot up to 45-foot and longer can be achieved with support only at the Bell ends.
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