Close Call: Tempered glass isn’t strong enough – tree top punches through cab window

Safety Alert Type: 
Heavy Equipment
Location: 
Northwest Bay (Parksville), Vancouver Island
Date of Incident / Close Call: 
2011-06-03
Company Name: 
Alternative Forest Operations
Details of Incident / Close Call: 

Equipment operator was brush piling with a log loader, equipped with a clam shell grapple. As the operator was crushing brush with the grapple and pulling it towards him for piling, a 2 inch diameter tree top struck the lower right hand corner of the front window.

The tree top penetrated the window for 2-3 inches at which point the entire front window shattered.

This machine was manufactured in 2011 and the forest company understood the machine was equipped with Lexan windows as well as WorkSafeBC-approved steel guarding. In fact, the window was tempered safety glass.

Learnings and Suggestions: 

Owners/Operators should verify from the equipment manufacturer that the window specifications are appropriate for the work being conducted.

For more information on this submitted alert: 

Alternative Forest Operations e-mail: keri@heli-log.com

File attachments
Close Call: Tempered glass isn’t strong enough – tree top punches through cab window.pdf
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