Reload hoist fails, log trailer dropped on truck

Safety Alert Type: 
Heavy Equipment
Location: 
Canfor Log Yard (Prince George)
Date of Incident / Close Call: 
2012-07-10
Company Name: 
Canfor
Details of Incident / Close Call: 

A log truck driver was using a trailer reload hoist and as the trailer was being lowered back down the dead end of the hoist cable came loose and caused the trailer to fall about 5 ½ feet onto the truck.

All the proper procedures and safety rules were being followed. The driver had been through the Log Yard safety orientation and had been properly trained to operate the trailer reload hoist by their company Safety Coordinator. The driver had signed the necessary documentation before he had come to the yard with his first load.

Key Learnings: This incident could have been far more serious had the driver not been properly trained and in the proper location when the trailer fell. The trailer hoist had just recently been serviced. It was discovered that during servicing the “Crosby” bolts on the cable had not been adequately clamped. The Log Yard has revised their maintenance procedures so millwrights check the torque on the “Crosby” bolts once a week.

Learnings and Suggestions: 

When using a trailer reload hoist ALWAYS follow all the proper safety procedures, which include:

• Never exceed the maximum posted lifting capacity of the trailer hoist

• Never go under equipment being raised or lowered

• Use a pipe pole to guide trailer into proper alignment

• Always plan an escape route before moving equipment

• Never complete any maintenance work on the hoist yourself

• If you see anything unsafe about the trailer hoist report it to the Log Yard supervisor or Scale Attendant immediately.

For more information on this submitted alert: 

For more information: Tyson von den Steinen, Canfor Prince George 250-962-3229

File attachments
Reload hoist fails, log trailer dropped on truck.pdf
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