Plumber Red Seal · Question
A plumber has completed the rough-in plumbing for a new multi-storey building. What type of inspection is typically required at this stage before covering the pipes with walls and floors?
A rough-in inspection is required after all drainage, waste, and vent piping is installed but before walls are closed or fixtures are set. This inspection ensur
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Question: A plumber has completed the rough-in plumbing for a new multi-storey building. What type of inspection is typically required at this stage before covering the pipes with walls and floors?
Answer options:
- Final inspection
- Underground inspection ✅ Rough-in inspection
- Deficiency inspection
Correct answer: Rough-in inspection
Explanation: A rough-in inspection is required after all drainage, waste, and vent piping is installed but before walls are closed or fixtures are set. This inspection ensures that the piping is correctly sized, properly supported, and free of leaks under test, adhering to code requirements before it becomes inaccessible. Final inspection occurs after fixtures are set, and underground occurs before rough-in.
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