Serious Near Miss: Decked logs collapse and slide down hill

Safety Alert Type: 
Worksites
Location: 
Northern Interior Region
Date of Incident / Close Call: 
2015-01-13
Company Name: 
CANFOR Forest Management Group
Details of Incident / Close Call: 

A Supervisor and Processor Operator had just finished a log quality sample and were standing on the road next to a deck of 12’ logs.

One of the logs on the deck shifted causing the entire deck to collapse and slide down the hill despite having appeared to be stable just moments earlier.

Luckily no one was in the “line of fire”.

(pdf of this Alert is attached)

Learnings and Suggestions: 

Identified Hazards

  • 12’ logs were decked on ~25% slope due to the limited decking space available in the cut block.
  • The low side of the log deck was supported only using compacted snow as fill.
  • Warmer weather conditions altered the stability of the snow underneath the log deck.

Preventative Actions:

  • Operators must consider the slope of the ground and the height of the decking area before actually building the deck.
  • Position logs perpendicular to the lower side of the log deck as supportive cribbing – do not only use snow.
  • Consider leaving high stumps along roadside decking areas in order to support the logs being used to level out log decks.
  • In extreme cases, consider building a trail to provide a flatter and more stable location for the log deck and working equipment.
  • Always forward/skid logs to a more suitable location if they cannot be decked safely.

 

For more information on this submitted alert: 

Tyson von den Steinen, RPF Manager – Safety & Continuous Improvement, Forest Management Group – Canfor Direct: (250) 962-3229 Cell: (250) 960-8148

File attachments
Safety_Alert_Canfor_2015-1-13.pdf
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