Heavy Equipment Operator Certification Exam Prep · Question
When operating an excavator near an open excavation, how far back from the edge should the machine typically be kept, unless a professional engineer has certified the ground stability for closer operation?
A common safety rule, often mandated by provincial OHS regulations, is to keep heavy equipment at least the depth of the excavation away from the edge, unless o
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Question: When operating an excavator near an open excavation, how far back from the edge should the machine typically be kept, unless a professional engineer has certified the ground stability for closer operation?
Answer options:
- At least 0.5 metres ✅ At least the depth of the excavation
- At least 1.0 metre
- Directly adjacent to the excavation edge is acceptable if soil appears stable
Correct answer: At least the depth of the excavation
Explanation: A common safety rule, often mandated by provincial OHS regulations, is to keep heavy equipment at least the depth of the excavation away from the edge, unless otherwise certified by a professional engineer, due to the risk of collapse.
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