When concrete is placed by crane and bucket, buckets must never be lifted over which paths?

Prepare for the ACI Concrete Finisher Test with flashcards and multiple choice questions, complete with hints and explanations. Get ready for your certification exam!

Multiple Choice

When concrete is placed by crane and bucket, buckets must never be lifted over which paths?

Explanation:
When placing concrete with a crane and bucket, the load path must be kept clear of people and their movement. Buckets should never be lifted over areas where workers are standing or where they are traveling, because a swinging load or a drop could seriously injure someone. Plan the lift so the bucket travels over open ground or a designated drop zone away from all personnel and any travel routes, and ensure the crew is clear of the crane’s swing and the load path. Use proper signaling, establish exclusion zones, and keep barriers or line-of-fire checks in place to prevent anyone from entering the potential fall zone. While other areas like equipment storage, traffic lanes, or walkways are also hazardous, the most direct safety emphasis is preventing any lift from passing over people or where they need to move, to minimize the risk of injury.

When placing concrete with a crane and bucket, the load path must be kept clear of people and their movement. Buckets should never be lifted over areas where workers are standing or where they are traveling, because a swinging load or a drop could seriously injure someone. Plan the lift so the bucket travels over open ground or a designated drop zone away from all personnel and any travel routes, and ensure the crew is clear of the crane’s swing and the load path. Use proper signaling, establish exclusion zones, and keep barriers or line-of-fire checks in place to prevent anyone from entering the potential fall zone. While other areas like equipment storage, traffic lanes, or walkways are also hazardous, the most direct safety emphasis is preventing any lift from passing over people or where they need to move, to minimize the risk of injury.

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