Excavator Operator Certification Exam Prep · Question
An excavator operator is digging a trench in a Type 1 soil. What minimum distance must the spoil pile be kept from the edge of the excavation to prevent collapse, according to general safety guidelines?
OHS regulations across Canada (e.g., Ontario O. Reg. 213/91 Section 232(3)) generally require spoil piles to be kept at a minimum distance of 0.6 metres (2 feet
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Question: An excavator operator is digging a trench in a Type 1 soil. What minimum distance must the spoil pile be kept from the edge of the excavation to prevent collapse, according to general safety guidelines?
Answer options: ✅ 0.5 metres
- 0.6 metres
- 1.0 metre
- 1.2 metres
Correct answer: 0.5 metres
Explanation: OHS regulations across Canada (e.g., Ontario O. Reg. 213/91 Section 232(3)) generally require spoil piles to be kept at a minimum distance of 0.6 metres (2 feet) from the edge of an excavation, regardless of soil type, to prevent added surcharge load.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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