Knoxville Police said a KUB contract worker was killed by a high voltage electric shock on a construction site shortly after noon Monday.

W&O Construction Company, Inc. employee was working at KUB Kuwahee Wastewater Treatment Plant when the incident occurred. Knoxville Fire Department said it appears the workers were trying to lift a piece of metal with a crane, when something hit the power lines. Investigators are still working to figure out what exactly hit the line.

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A Canton-based heavy equipment operator has been cited by the U.S. Department of Labor’s Occupational Safety and Health Administration for alleged willful and serious violations of safety standards while working on the Hine Bridge replacement project in Amesbury. Barletta Heavy Division Inc. faces proposed fines of $91,000 following a March incident in which one of its cranes struck an overhead power line, injuring a worker.

Two Shakopee Public Utilities employees remain hospitalized after their four-member crew was injured Monday morning while performing scheduled maintenance on a utility line near the women’s prison. 

Shakopee Public Utilities Finance Director Renee Schmid told the Valley News the extent of the injuries is unknown, but she later told the Star Tribune the injuries are not considered life-threatening. 

“They’re both awake and talking,” Schmid reportedly said of the unnamed employees late Monday afternoon.

At 6:45 p.m., Schmid emailed the Valley News that the workers continued to be treated at the Hennepin County Medical Center.  ”I do not have any further information at this time,” she said. 

Asked earlier about a report that the incident was caused by something caused an “arc flash,” Schmid would only say that the cause of the accident and what actually happened was still being investigated.

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Waterloo North Hydro Inc., an electricity distributor for Waterloo and the surrounding area, was fined $110,000 for a violation of the Occupational Health and Safety Act after a worker was injured.

On October 12, 2010, a mall was under construction in Waterloo. Workers from Waterloo North Hydro Inc. had installed transformers on site and were attempting to send power from a transformer in one location to a transformer in another location. As power was sent to the second transformer, a worker for an electrical contractor was in the area routing a metal tape through a duct. The tape came into contact with a newly energized electrical conductor and caused an arc flash. The worker was badly burned.

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The U.S. Department of Labor’s Occupational Safety and Health Administration has cited Interstate Electrical Services, a North Billerica electrical contractor, for alleged willful and serious violations following a November 2011 arc flash blast at an Andover jobsite. Two workers installing electrical service were seriously burned when a piece of equipment made contact with an energized part of an electrical panel, resulting in the arc flash.