Rigging – when workers prepare equipment to be lifted by cranes, hoists or other material-handling machinery – is a common work process on shipyard and construction sites, among others. Performing rigging operations safely is critical. According to OSHA, rigging workers have been injured or killed when loads have slipped or the rigging has failed. OSHA notes that riggers must be: Properly trained on the hazards associated with rigging jobs Qualified and able to comply with all procedures Aware of where the crane is operating (surface . . .