Manhole Cover Removal (KV106)

 

What Happened?

At 10:45 a.m. on July 3, 2017, an employee was operating a bucket truck to remove a manhole cover that was stuck. The employee was thrown from the bucket when it was struck by the manhole cover when it was released. The employee fell 25 feet to the concrete pad and suffered severe head trauma. The employee was hospitalized and treated for his injuries. 

Contributing Factors

The employee was using the wrong tool for the job as he was using the bucket as a lifting device. Furthermore, he did not have any fall protection while in an elevated position.   

What Can We Learn?

Tools

Using a Questioning Attitude by asking "what is the worst thing that is most likely to happen to me, my peer, or my team" would have made him aware of the error likely situation.

Using a Self-Check would have helped him to identify the danger in performing this task with the wrong equipment and without fall protection. 

Traps

This employee fell into the trap of Overconfidence as he overestimated his knowledge, underestimated the risk, and exaggerated his ability to control the event.

  

Ask the Right Questions

How does this relate to our work?

Where do we have similar traps?

What Tools can we use to avoid a similar incident?

Was a stop work point missed?