Plumber Red Seal · Question
A new single-family dwelling is under construction. The plumber needs to install the main building drainage system. Before concealing the rough-in plumbing, which of the following inspections is typically required by the Authority Having Jurisdiction (AHJ)?
Before concealing rough-in plumbing, including drainage and venting systems, a 'Drainage and Venting Rough-in Inspection' is typically mandatory to ensure compl
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Question: A new single-family dwelling is under construction. The plumber needs to install the main building drainage system. Before concealing the rough-in plumbing, which of the following inspections is typically required by the Authority Having Jurisdiction (AHJ)?
Answer options: ✅ Drainage and Venting Rough-in Inspection
- Final Water Supply Inspection
- Gas Piping Rough-in Inspection
- Foundation Drainage Inspection
Correct answer: Drainage and Venting Rough-in Inspection
Explanation: Before concealing rough-in plumbing, including drainage and venting systems, a 'Drainage and Venting Rough-in Inspection' is typically mandatory to ensure compliance with the plumbing code and proper workmanship. The other options refer to different stages or systems: water supply, gas piping, and foundation drainage inspections are separate and typically occur at different times or for different aspects of the build.
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