A vessel was in port and the crew was loading logs on to the hatch covers. The securing system involved the use of foot wires, snatch blocks, and a wiggle wire (see image). Although it was dark, the deck was well lit by the ship’s own floodlights and the floodlights on the wharf.
The crew was wearing personal protective equipment (PPE), which included boot spikes to reduce the risk of slipping on the wet logs. The number one crane was being used to tension the wiggle wire, and two deck crew were...