Excavator Operator Certification Exam Prep · Question
What is the minimum safe distance an excavator must maintain from the edge of an excavation, if not otherwise specified by a qualified person, according to best practices and some provincial OHS regulations like those in Ontario?
Ontario Regulation 213/91, Section 234(1)(a) specifies that excavated material must be placed at least 1.0 metre from the edge of an excavation. This distance i
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Question: What is the minimum safe distance an excavator must maintain from the edge of an excavation, if not otherwise specified by a qualified person, according to best practices and some provincial OHS regulations like those in Ontario?
Answer options: ✅ 1.0 metre (3.3 feet)
- 0.6 metres (2 feet)
- The depth of the excavation, or 1.2 metres (4 feet) if depth exceeds 1.2m.
- The greater of 1.0 metre (3.3 feet) or the depth of the excavation.
Correct answer: 1.0 metre (3.3 feet)
Explanation: Ontario Regulation 213/91, Section 234(1)(a) specifies that excavated material must be placed at least 1.0 metre from the edge of an excavation. This distance is a good general guideline for excavator stability as well, unless a qualified person has determined otherwise based on soil conditions.
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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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