Plumbing Concepts and Practices

In this video, Josh demonstrates how to rough in plumbing under a concrete slab for a bathroom. He explains the setup of string lines to mark wall placements, the process of digging and placing pipes, and the importance of using the correct materials. Josh also covers the testing of plumbing systems to ensure they are watertight and ready for inspection. The video is part of a series focused on building a house and saving money.

What is the primary focus of Josh's channel?

• Building your own house

• Travel vlogs

• Cooking tutorials

• Gardening tips

Why are string lines used in the plumbing setup?

• To calculate the slope of the ground

• To determine the water pressure

• To mark the location of the walls

• To measure the depth of the pipes

What is the purpose of a clean out tee in plumbing?

• To test the water lines for leaks

• To filter debris from the water

• To connect two pipes at a 90-degree angle

• To increase water pressure

What tool is recommended for cutting PVC pipes?

• Hacksaw

• Circular saw

• Miter saw

• Jigsaw

What is the recommended slope for drain lines?

• Half an inch per foot

• Quarter inch per foot

• One inch per foot

• Three-quarters inch per foot

What type of PVC pipe is recommended for use under a concrete slab?

• Cellular core PVC

• Schedule 40 solid PVC

• Schedule 20 PVC

• Flexible PVC

What is the purpose of using purple primer on PVC pipes?

• To prevent leaks

• To increase the pipe's flexibility

• To clean and prepare the pipe for cement

• To color code the pipes

What is the function of a long sweep 90-degree elbow in plumbing?

• To connect pipes at a sharp angle

• To increase water flow speed

• To reduce water pressure

• To allow for a gradual change in direction

Why is it important to test the plumbing system before backfilling?

• To confirm the pipes are made of the correct material

• To verify the color of the pipes

• To check for leaks and ensure water tightness

• To ensure the pipes are the correct length

What is the final step before preparing for concrete pouring?

• Painting the pipes

• Adding insulation

• Installing electrical wiring

• Backfilling with gravel