Excavator Operator Certification Exam Prep · Question
An excavator is working near a traffic control person (TCP) who is directing vehicle traffic. An overhead power line runs across the work zone. What is the primary additional duty of the TCP in relation to the overhead power line?
When working near overhead power lines, a dedicated spotter (often a TCP if properly trained) is critical to constantly monitor the boom's proximity to the line
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Question: An excavator is working near a traffic control person (TCP) who is directing vehicle traffic. An overhead power line runs across the work zone. What is the primary additional duty of the TCP in relation to the overhead power line?
Answer options:
- To alert the excavator operator only when the boom is within 3 metres of the line. ✅ To act as a designated spotter for the excavator operator, ensuring minimum approach distance from the power line is maintained.
- To ensure all vehicles entering the site are aware of the power line's location.
- To monitor the power line for any signs of electrical arcing or damage.
Correct answer: To act as a designated spotter for the excavator operator, ensuring minimum approach distance from the power line is maintained.
Explanation: When working near overhead power lines, a dedicated spotter (often a TCP if properly trained) is critical to constantly monitor the boom's proximity to the line and ensure minimum approach distances are maintained, according to all provincial OHS regulations and CSA Z248.
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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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