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W457 - Health & Safety Advisory: Safe Guarding Around Powered Trolley Hoists

A large part of roofing work involves moving supplies and equipment with hoisting systems. The most popular materials-handling system for this task is a conventional powered trolley hoist. Workers who operate a trolley hoist must handle two lever clutches and a brake system. Critical injuries and damage to property and roofing equipment can occur if the hoist system or hoist drum are not set up or designed properly.

This advisory contains protective measures to prevent crush or pinch injuries when working with powered trolley hoists. 2 pages. September 2019.

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