Install a vent stack.

Installation should include the following steps:

• Assemble tools and equipment.
• Secure rough-in plans.
• Lay out the waste lines from the main sewer to each drain terminal.
• Assemble piping with proper fittings.
• Align and support the pipe.
• Run a vent line from the sewer pipe to the re-vent line or run a separate vent line through the roof.
• Assemble the pipe in place, leaving the cleanout and vent openings.
• Locate and cut a vent hole in the roof.
• Connect the vent pipe section from the waste line through the roof. 

Process/Skill Questions:

• What are the relevant safety precautions/procedures for installing a vent stack?
• What is the function of a vent stack?
• What tools should be used when installing a vent stack?