MA Mortenson Company dba Mortenson Construction

An employee was replacing a panel inside a nacelle (wind turbine component) that was at ground level. When he stood up from a crouching position, he struck his head on a metal bracket. The employee was hospitalized with a hematoma on the left side of his head.

An employee was changing a die in a press when the die slipped and crushed the employee's left index finger. The employee sustained an open facture of the tuft of the left distal phalanx and a partial amputation.

An employee was diagnosing the lack of flow of product to a powder bin. The employee removed the rotary star valve below the bin. While he was reinstalling the valve, his right middle finger was crushed between its shaft and its housing. The finger was partially amputated.

On October 30, 2025, an employee was working to adjust a stackable metal shipping container. As the container dropped into place, it caught the employee's hands in an area between the upper and lower cross-members. The employee suffered a laceration to the left ring finger that required stitches, bruising to the right ring finger, and fractures to the right middle finger that necessitated medical amputation of the fingertip.

An employee was changing the spacing on a telehandler's forks. A fork slipped, and the employee's left index finger was caught between it and the mast. The fingertip was medically amputated at the first knuckle.

An employee was conducting routine maintenance on a mixer. New lid pins had been installed, and the employee was rotating by hand to ensure they had been installed correctly. The employee's left middle finger was caught between the lid and top of a pin. The momentum from the mixer continued, causing a crushing injury to the finger. The employee underwent a medical amputation from the top knuckle to the tip of the finger.

An employee was cutting cabinet trim using a table saw when four fingers on his left hand were severed, resulting in hospitalization and amputation.

The injured employee was standing behind a table. She jumped out to scare another employee, but tripped and fell on the tile floor, injuring her right ankle/foot. She was hospitalized with a dislocated ankle that required surgery.

An employee was installing insulation in a wall when she tripped on a hole (12" deep) and fell, hitting her head on the concrete floor. The employee sustained fractures to her leg and wrist, and lacerations to her head. The employee was hospitalized.

An employee was loading a 4-inch wooden door into a pickup truck when he felt a pop in his right side behind his shoulder blade. He was hospitalized later that day and underwent surgery, having suffered a collapsed right lung.

An employee was operating a power drill when it slipped. The drill bit punctured the employee's hand and they were hospitalized.

An employee was walking in a garage toward her delivery vehicle. As she stepped down a curb near her vehicle, she fell and landed on the concrete garage floor, resulting in a hip injury that required hospitalization.

Employees were performing maintenance operations on a railroad line when the machine experienced a load conveyor motor failure. While clearing the machine to allow for repairs, an employee pinned the left side of the swing conveyor. The operator on the right side then requested a slight bump to the left to align the right side for pinning. Once the swing was in position, the operator went to pin the right side and the chain tensioner failed, resulting in an abrupt release of the swing chain. The chain snapped back and struck the operator s right hand, resulting in a 1-inch laceration and a fractured fifth metacarpal. The employee was hospitalized and required surgery on the hand.

At about 9:15 a.m. on March 10, 2025, an employee was riding along a hardpack snow-covered roadway on a snowmobile. The snowmobile went over a berm and tipped/rolled, causing the employee to fall to the ground. He suffered a collapsed left lung and was hospitalized.

An employee was decommissioning a substation. The tower switch was being set down on the ground when the switch blade moved. The employee's finger was crushed and amputated.

An employee was struck by a truck and sustained a broken right leg.