2009-09-29 Partially Bucked Tree Breaks In Half While Being Loaded

Location: 
Big Mouth Creek, Br 25.2
Date of Incident / Close Call: 
2009-09-29
Details of Incident / Close Call: 

525 grapple skidder and a 330 log loader were helping a 122 grapple yarder land a large cedar tree from an uphill skid. The tree was partially bucked in the middle by the spotter/hooker. When both the skidder and the log loader were pulling on the tree it broke at the saw cut. The but end of the tree came forward violently.

Two slabs hit the lexan back window of the skidder, broke the window and entered the cab coming close to hitting the operator in the back. The skidder operator was not hurt but shaken up.

Learnings and Suggestions: 

The partial cut tree caused the tree to break resulting in uncontrolled action. If a log is to be cut off the tree it should be cut right through – partial cuts are unacceptable and can produce results that are unpredictable when skidding, loading or sorting.

Instruct all buckers and fallers to complete cuts when bucking logs. Sliver wood holding is acceptable on landings, root wads and steep falling areas.
 

 

For more information, please call: Doug Brown at 250-265-4642

File attachments
2009-09-29 Partially Bucked Tree Breaks In Half While Being Loaded.pdf
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