Repeat Offender Damages Pipeline in North Dakota

Bismarck Tribune – A contractor that damaged a natural gas pipeline in western North Dakota in July has a history of striking pipelines, including hitting 20 utility lines in Iowa last year. Carstensen Contracting of Pipestone, Minnesota was installing a water pipeline near Waterford City, North Dakota when it damaged a natural gas line owned by Oneok. The damage caused a release of an estimated 126,000 gallons of natural gas liquids. This was the second mishap by the contractor in North Dakota over the past three years.

The North Dakota Public Service Commission had recently fined Carstensen Contracting $15,000 after investigating an alleged violation of North Dakota One Call Law in 2015. In that case, investigators determined that Carstensen called 811 four hours after damaging a natural gas pipeline (state law requires companies to call 811 at least 48 hours prior to excavating).

Fort Dodge, Iowa also parted ways with Carstensen Contracting last year after the contractor hit 20 underground utility lines in less than three months while working on a sewer project.

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