Gas Fitter Practice · Question
What minimum depth below ground is typically required for buried natural gas piping in private property areas without heavy vehicle traffic?
CSA B149.1 specifies a minimum of 15 inches (375 mm) cover for buried gas piping on private property without heavy traffic, to protect it from damage.
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Question: What minimum depth below ground is typically required for buried natural gas piping in private property areas without heavy vehicle traffic?
Answer options: ✅ 15 inches (375 mm)
- 6 inches (150 mm)
- 24 inches (600 mm)
- 30 inches (750 mm)
Correct answer: 15 inches (375 mm)
Explanation: CSA B149.1 specifies a minimum of 15 inches (375 mm) cover for buried gas piping on private property without heavy traffic, to protect it from damage.
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