Alerts & Learnings Collapsed winch drum The crane winch drum barrel boss was being replaced. The winch drum had been removed from the boom hoist winch and positioned on the deck. There was a discrepancy between the drawings and what the team found at site. Approximately 15mins after the barrel boss was removed, the drum collapsed. An individual was trapped between the collapsed drum and the scaffold boards. To view this safety alert in full, including diagrams of the incident and findings, click on the 'Download Alert' button above. Download Alert Rate this Alert Your Rating Average Rating Share: Share on Linkedin Share on Facebook Share on Twitter Share with Email