Heavy Equipment Operator Certification Exam Prep · Question
What is the recommended method for hand exposing a fibre optic cable located at a shallow depth of 30 cm?
'Daylighting' or hand exposing delicate utilities like fibre optic cables typically involves non-destructive methods such as vacuum excavation (hydrovac) or car
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Question: What is the recommended method for hand exposing a fibre optic cable located at a shallow depth of 30 cm?
Answer options:
- Using a small hydraulic breaker attached to a mini-excavator
- A power auger for precise soil removal ✅ Vacuum excavation (hydrovac) or carefully digging with a shovel and hand trowel
- A pickaxe to loosen compacted soil
Correct answer: Vacuum excavation (hydrovac) or carefully digging with a shovel and hand trowel
Explanation: 'Daylighting' or hand exposing delicate utilities like fibre optic cables typically involves non-destructive methods such as vacuum excavation (hydrovac) or careful manual digging with hand tools like shovels and trowels to prevent damage, as stated in recognized industry best practices.
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