Heavy Equipment Operator Certification Exam Prep · Question
When operating heavy equipment near an open excavation, what is a primary hazard and how is it typically mitigated?
A primary hazard when working near excavations is the risk of the equipment causing the edge to collapse and falling in. This is mitigated by establishing and m
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Question: When operating heavy equipment near an open excavation, what is a primary hazard and how is it typically mitigated?
Answer options:
- The risk of excessive dust, mitigated by regular watering. ✅ The risk of equipment falling into the excavation due to instability of the edge, mitigated by maintaining a safe working distance.
- The risk of disturbing historical artifacts, mitigated by archaeological surveys.
- The risk of the boom striking overhead power lines, mitigated by a spotter.
Correct answer: The risk of equipment falling into the excavation due to instability of the edge, mitigated by maintaining a safe working distance.
Explanation: A primary hazard when working near excavations is the risk of the equipment causing the edge to collapse and falling in. This is mitigated by establishing and maintaining a safe distance from the edge, often specified by OHS regulations.
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