smart pig
As part of the process of installing and commissioning a new pipeline, like the Mariner East 2 pipeline, the builder (Energy Transfer in this case) runs a "smart pig" (a pipeline inspection gauge) through the pipeline to ensure there are no defects or issues. ET's smart pig detected a potential problem in a newly installed (not yet operational) segment in East Goshen Township in Chester County, PA. So ET alerted the local One-Call and then dug up the spot, replaced the pipe, and covered it up again, which only took a few days. Meanwhile, anti-fossil fuel fanatics went into hysteria mode when they learned of the fix.
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