The North Carolina 811 Podcast

Cross Bores - What they are and how to avoid them

June 19, 2020

A cross bore is the intersection of an existing underground utility or underground structure by a second utility installed using trench-less technology. This results in an intersection of the utilities, compromising the integrity of either or both utility or underground structure.

In rare cases, a gas pipeline may cross through a sewer pipe. If a plumber unknowingly strikes a gas line while cutting through a sewer blockage, natural gas could enter the sewer system, creating a dangerous situation.

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