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Excavator Operator Certification Exam Prep · Question

What does a green colour marking typically indicate during a utility locate?

Green is the industry standard colour for marking sanitary sewer lines, storm sewer lines, and drain lines during utility locates.

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Question: What does a green colour marking typically indicate during a utility locate?

Answer options: ✅ Sewer lines.

  • Potable water lines.
  • Communication lines.
  • Gas lines.

Correct answer: Sewer lines.

Explanation: Green is the industry standard colour for marking sanitary sewer lines, storm sewer lines, and drain lines during utility locates.

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