Lexan skylights should be used on machine cabs

Safety Alert Type: 
Heavy Equipment
Location: 
North Adams Lake (near Salmon Arm, BC)
Date of Incident / Close Call: 
2013-08-28
Company Name: 
Interfor Adams Lake Division
Details of Incident / Close Call: 

An excavator was stumping amongst mature dead and standing birch. The pulling of a stump caused a nearby birch to move because the root systems were intertwined.

The top of the birch fell off and crashed between the protective bars on the sky light of the cab roof, breaking through the skylight window (see photo in attached pdf). The birch top struck the operator on the side of the forehead, leaving only a scrape.

The investigation determined that the skylight was not protective Lexan; rather it was an acrylic plastic (Plexiglas).

Learnings and Suggestions: 

• When operators are exposed to overhead hazards or objects such as loose debris, snags, tree trunks, limbs or rocks which may be projected through the openings of protective bars, additional transparent protective windows/shields (such as Lexan) should be installed.

• Inspect machinery to ensure minimum standards for forestry machine cabs have been met.

For more information on this submitted alert: 

For more information: Lana Kurz, Interfor Adams lake Division (250) 679-6838

File attachments
Lexan skylights should be used on machine cabs.pdf
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