Excavator Operator Certification Exam Prep · Question
Before an excavator can work in an area where underground utilities are known to exist, what process must be completed?
Provincial regulations consistently require calling a 'locate service' (like One Call) to have underground utilities marked prior to excavation. This prevents d
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Question: Before an excavator can work in an area where underground utilities are known to exist, what process must be completed?
Answer options:
- A visual inspection of the ground surface for utility markers. ✅ A call to 'Call Before You Dig' (e.g., One Call, Ontario One Call) for locates and verification of markings.
- Asking the site supervisor if they remember where the lines are.
- Starting careful excavation to probe for the lines with the bucket.
Correct answer: A call to 'Call Before You Dig' (e.g., One Call, Ontario One Call) for locates and verification of markings.
Explanation: Provincial regulations consistently require calling a 'locate service' (like One Call) to have underground utilities marked prior to excavation. This prevents damage to utilities and ensures worker safety.
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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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