Wednesday, August 22, 2018

What Is a Depth-of-Cover Survey?


Josh Price has worked in the pipeline repair and maintenance industry for more than two decades. He now serves as the president of Texas-based Onyx Services Incorporated. Under the guidance of Josh Price, Onyx provides a range of land and water pipeline services, including depth-of-cover surveys. 

“Depth of cover” refers to how deep a pipeline is buried. A depth-of-cover survey is performed to ensure significant cover between the top of the pipeline and the ground. 

The depth requirement for a pipeline depends on the location, type of cover, and type of pipeline. Local, state, and federal regulations also dictate depth-of-cover requirements for the safe and responsible delivery of energy. 

In addition to performing depth-of-cover surveys during the initial construction phase of a project, pipeline service providers conduct periodic surveys to see that existing pipelines maintain significant coverage throughout their lifespans. Survey processes vary according to the terrain, but they typically include physical probing, 3D scanning, and side-scan sonar.

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