Cause & Consequence
- Collapse, overturn or failure of lifting equipment
Any Location Type
Lifting, crane, rigging, deck operations
Incident Info Source
Step change in safety
Specific Incident Equipment
The correct selection and utilisation of two cranes to perform a tandem lift.
Bolts holding the upper structure failed.There was no site supervision at the rig up location, therefore the crane was not inspected and the crew felt comfortable to operate as it had been previously assigned to another company rig.The crane certificate was issued by an unknown office with no accreditation.The crane operator was found not to be competent for the crane operated.
Only accept cranes with a valid set of certificates issued by a recognised body.A list of the accredited bodies to be developed and issued through the Transport Supt.Adequate supervision to be performed for the jobs during the rig up operation.