Excavator Operator Certification Exam Prep · Question
An excavator operator is planning to dig in an area known to have a 13.8 kV underground power line. The 'One Call' system has been notified, and the line has been located and marked. According to Ontario's Construction Projects Regulation (O. Reg. 213/91), what is the minimum safe clearance distance the excavator bucket must maintain from this underground power line?
O. Reg. 213/91, Section 228 (2) states that an excavator shall maintain a minimum of 1.0 metre clearance from an underground utility unless specific safety meas
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Question: An excavator operator is planning to dig in an area known to have a 13.8 kV underground power line. The 'One Call' system has been notified, and the line has been located and marked. According to Ontario's Construction Projects Regulation (O. Reg. 213/91), what is the minimum safe clearance distance the excavator bucket must maintain from this underground power line?
Answer options: ✅ 1.0 metre
- 0.3 metres
- 3.0 metres
- 0.5 metres
Correct answer: 1.0 metre
Explanation: O. Reg. 213/91, Section 228 (2) states that an excavator shall maintain a minimum of 1.0 metre clearance from an underground utility unless specific safety measures are in place and approved.
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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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