Excavator Operator Certification Exam Prep · Question
An excavator operator is digging a trench in Type 2 soil (compacted clay). The trench will be 4.0 metres deep. What is the minimum horizontal distance the spoil pile must be kept from the edge of the excavation, according to provincial regulations in Alberta?
Alberta OHS Code Part 32, Section 449(1) stipulates that excavated material must be placed at least 0.6 metres from the edge of an excavation. This distance pre
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Question: An excavator operator is digging a trench in Type 2 soil (compacted clay). The trench will be 4.0 metres deep. What is the minimum horizontal distance the spoil pile must be kept from the edge of the excavation, according to provincial regulations in Alberta?
Answer options: ✅ 0.6 metres
- 1.0 metre
- 1.2 metres
- 2.0 metres
Correct answer: 0.6 metres
Explanation: Alberta OHS Code Part 32, Section 449(1) stipulates that excavated material must be placed at least 0.6 metres from the edge of an excavation. This distance prevents material from falling back into the trench and reduces lateral pressure on the trench walls.
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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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