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A great example_of_checking_foundations
1. A great example of checking
foundations / ground before
setting up for a lift.
2. • Incident: Friday Morning 26/09/08 –
Castle Hill / Sydney
• Equipment: 9 Day Old 250t Leibherr
Crane
(never used before)
• Values: $4 mill price tag
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9. What went wrong….
• Insufficient risk analysis and planning.
• Failure of back propping beneath the 200mm thick
concrete deck.
• Crane support outrigger punched through slab causing
crane to lose balance and collapse across the site and
onto adjoining property.
• The Crane balanced in the air for approx 1 hour before
entire rig & boom collapsed completely across site and
rig falls through to the basement level.
Amazingly no-one was seriously injured or killed.
10. What went wrong….
• Insufficient risk analysis and planning.
• Failure of back propping beneath the 200mm thick
concrete deck.
• Crane support outrigger punched through slab causing
crane to lose balance and collapse across the site and
onto adjoining property.
• The Crane balanced in the air for approx 1 hour before
entire rig & boom collapsed completely across site and
rig falls through to the basement level.
Amazingly no-one was seriously injured or killed.
