Description of Incident
A member reports two separate lifting activities involving failure of lifting equipment and resulting in minor injuries to nearby personnel.
Event 1
While positioning for a lift the boom of a deck-mounted 1.5t folding crane was slewed and extended causing the overhaul ball to contact the sheave (two-block), resulting in the crane wire parting. The overhaul ball, lifting hook, and lifting chains (22.5kg) fell to deck from a height of approximately 6m. A member of the work party was struck and sustained a soft tissue injury.
Event 2
During the assembly of a LARS winch, an overhead gantry crane was being used for the final positioning of a component. The intent was only to use the crane for alignment of the component, rather than lifting, however excess load was inadvertently placed on the soft sling being used. This caused failure of the sling and the uncontrolled release of a connected shackle. The shackle struck a member of the work party again causing injury.
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