Safety Alert Type: 
Date of Incident / Close Call: 
Company Name: 
LTN Contracting Ltd. / Roga Contracting Ltd.
Details of Incident / Close Call: 

On November 20, 2007 at approximately 7:00 PM a contract lowbed (Roga Contracting Ltd.) was transporting a TigerCat 870 feller-buncher into a block.

While making a low speed right-hand turn, the lowbed bound up with the tractor. The resulting pressure caused the neck and deck to come apart (the lowbed came apart), with the latch pin failing and the d-ring keepers being bent.

There were no injuries and minimal damage to the lowbed from the mechanical failure of the attachment components.

The age of the lowbed is 10+ years. Maintenance records indicate a recent inspection and timely repair and service records.

Root cause for the equipment failure is age of equipment and underlying metal fatigue that is not visible to naked eye.

Learnings and Suggestions: 

1. Remind lowbed drivers that they are professional drivers and it is their legal responsibility to monitor and inspect their equipment daily and notify their supervisor of any problems or potential problems immediately.
2. For all lowbed trailers over ten years of age, all attachment components are to be inspected monthly for signs of wear or fatigue by company mechanic or certified mechanic.
3. For all lowbed trailers, repair or replace lowbed attachment components as required, or schedule the work to be completed by a certified facility.

File attachments
2007-11-20 Pressure Causes Lowbed to Come Apart.pdf
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