A cubic yard of soil weighs nearly the same amount as a mid-size automobile (more than 2,500 pounds), producing a crushing injury to anyone caught in the wall collapse.
All tagged lessons learned
This contractor had a safety program but had not implemented the program or provided employees with safety training. The foreman held weekly toolbox talks with the crew which included trench safety, but new employees had not yet participated in any of these talks. What could go wrong?