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Critical Lifting Safety
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What is Critical Lifting?
Use of crane above 75% capacity or tandem lifting or Lifting over live facilities is considered as critical lifting.
What are hazards in critical lifting?
- Weather Conditions
- Suspended Load
- Fall of load
- Struck by load
- Crane Collapse
- Damaged Tools and Tackles
- Improper Signaling
- Uneven Ground condition
- Adjacent / nearby structures
- Overhead powerlines
- Mechanical Failure
- Improper rigging
- Uncontrolled movement of load.
What are control measures for critical lifting?
- Permit to Work
- Third Party certificates
- Crane checklist
- Lifting plan
- Color coding
- Trained operator and riggers
- Signal by only one
- Preventive maintenance of the crane
- Daily inspection
- Barricading and signage / sign boards
- No one should be allowed to go under suspended load
- Outriggers fully extended
- Working Safe Load Indicator (SLI) or Load Movement Indicator (LMI)
- Outrigger pads
- Swinging alarm
- Two taglines should be used
- Anti two block
- Safety latch.
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