How do I safely rig and hoist ductwork up the outside of a building using a material hoist

Plain-English answer

Secure the stacked duct segments flat to an approved, fully enclosed material lifting platform container or wire mesh cargo basket. * Fasten a long, heavy tag line rope to the absolute bottom frame rails of the basket container. A ground worker holds this tag line firmly, keeping light tension on it as the load rises to prevent the cargo cage from spinning or smashing against the exterior glass or architectural panels of the building.

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Field checklist

• Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.
• Secure the stacked duct segments flat to an approved, fully enclosed material lifting platform container or wire mesh cargo basket. * Fasten a long, heavy tag line rope to the absolute...

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Verify before acting

Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

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