Excavator Operator Certification Exam Prep · Question
What is the minimum horizontal distance a spoil pile should typically be kept from the edge of an excavation, according to safety regulations?
Provincial regulations, such as WorkSafeBC G20.94 and Ontario Reg 213/91 (s. 233(3)), generally mandate keeping spoil piles at least 1.0 metre (3.3 feet) from t
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Question: What is the minimum horizontal distance a spoil pile should typically be kept from the edge of an excavation, according to safety regulations?
Answer options: ✅ 1.0 metre (3.3 feet)
- 0.5 metres (1.6 feet)
- 2.0 metres (6.6 feet)
- Immediately adjacent to the trench edge
Correct answer: 1.0 metre (3.3 feet)
Explanation: Provincial regulations, such as WorkSafeBC G20.94 and Ontario Reg 213/91 (s. 233(3)), generally mandate keeping spoil piles at least 1.0 metre (3.3 feet) from the edge of an excavation to prevent material from falling back in and to reduce surcharge weight on the trench wall.
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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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