Georgia Septic Installer Practice Test

What material is specified for the minimum piping used in sewer fittings?

1. Flexible plastic pipe

2. Cast iron pipe

3. Schedule 40 PVC

4. Polyethylene pipe

The correct answer is: Schedule 40 PVC

The specified material for the minimum piping used in sewer fittings is Schedule 40 PVC. This designation is important because Schedule 40 PVC pipes are recognized for their strength, durability, and ability to withstand the pressures typically encountered in sewer systems. They are resistant to corrosion, which makes them suitable for conveying waste and sewage without degrading over time. Using Schedule 40 PVC ensures compliance with building codes and regulations that prioritize long-lasting and reliable materials for sewerage applications. Additionally, the diameter and wall thickness of Schedule 40 PVC are engineered to effectively manage wastewater flow, minimizing the risk of blockages or failures in the system. This makes it a preferred choice over other materials which may not meet the same standards for strength and durability in a sewer application.