Heavy Equipment Operator Certification Exam Prep · Question
An operator is requested to dig within 1 metre of an unmarked, but suspected, high-pressure natural gas pipeline. What specific safety precaution is mandated for such 'hand-dig' zones?
When working in proximity to critical underground utilities, especially natural gas lines, hand digging with non-sparking tools under constant supervision is of
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Question: An operator is requested to dig within 1 metre of an unmarked, but suspected, high-pressure natural gas pipeline. What specific safety precaution is mandated for such 'hand-dig' zones?
Answer options:
- Using only plastic-bladed shovels to prevent igniting gas. ✅ Excavating only with hand tools, including non-sparking hand tools, under direct supervision.
- Working only during daylight hours for better visibility.
- Having a fire extinguisher immediately available at the excavation site.
Correct answer: Excavating only with hand tools, including non-sparking hand tools, under direct supervision.
Explanation: When working in proximity to critical underground utilities, especially natural gas lines, hand digging with non-sparking tools under constant supervision is often mandated to prevent accidental strikes and potential explosions.
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