Excavator Operator Certification Exam Prep · Question
An excavator operator is about to begin digging in an urban area. What is the absolute first step they must take regarding underground utilities?
Before any ground disturbance, contacting the provincial one-call service (e.g., Ontario One Call) is a mandatory first step to ensure all buried utilities are
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Question: An excavator operator is about to begin digging in an urban area. What is the absolute first step they must take regarding underground utilities?
Answer options: ✅ Contact Ontario One Call (or relevant provincial service) to request utility locate services.
- Visually inspect the site for signs of utility markers or disturbed ground.
- Review site plans and drawings provided by the client.
- Ensure the excavator's bucket is at a safe, unaggressive angle.
Correct answer: Contact Ontario One Call (or relevant provincial service) to request utility locate services.
Explanation: Before any ground disturbance, contacting the provincial one-call service (e.g., Ontario One Call) is a mandatory first step to ensure all buried utilities are identified and marked. This is a fundamental requirement of provincial OHS regulations.
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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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