NTSB: Inspection fell short in W.Va pipeline blast

03/11/2014 | MetroNews (West Virginia)

Lack of inspection since 1988 is cited as one key factor in the 2012 explosion of a gas pipeline in Sissonville, W.Va., according to a report by the National Transportation Safety Board. The report attributed the rupture and subsequent explosion to deteriorated coating and ineffective cathodic protection on the pipe's exterior. Also contributing to the magnitude of the disaster was a lack of data and control features that delayed the shutoff of gas to the area. In addition, corrosion was found in nearby pipes in 2009, but "the discovery did not prompt an inspection of the line in question when mitigation efforts were considered."

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