Excavator Operator Certification Exam Prep · Question
An excavator is trenching for a new water line with a maximum depth of 2.5 metres. According to Ontario O. Reg. 213/91, what is the minimum required distance from the edge of the trench that excavated material (spoil pile) must be placed?
Ontario O. Reg. 213/91, Section 228 (1) states that excavated material shall be kept at least 1 metre from the edge of the trench. This mitigates surcharge load
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Question: An excavator is trenching for a new water line with a maximum depth of 2.5 metres. According to Ontario O. Reg. 213/91, what is the minimum required distance from the edge of the trench that excavated material (spoil pile) must be placed?
Answer options: ✅ 1.0 metre
- 0.6 metres
- 0.5 metres
- 1.2 metres
Correct answer: 1.0 metre
Explanation: Ontario O. Reg. 213/91, Section 228 (1) states that excavated material shall be kept at least 1 metre from the edge of the trench. This mitigates surcharge loading on the trench wall and prevents material from falling back into the excavation.
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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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