Ductile iron (DI) pipe is one of the most widely used pipe materials in North America. The Design Life is second to no other pipe material due to its robust design. This pipe material is the strongest and most resilient available for water and wastewater utilities providing unparalleled Life-Cycle value.
In many areas, utilities need to consider how to protect these valuable pipelines from corrosive soils. The question is “How can we economically protect these pipelines to meet or exceed the 105-110 year average design life of DI pipe?”
Wouldn’t it be excellent to have objective guidelines to evaluate corrosion risk and recommend the appropriate corrosion protection? And also have practical guidelines that consider the likelihood and consequences of a pipeline failure including the most recent innovations that recognize the differences between transmission mains and distribution mains?
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