Identify the steps of roughing-in a DWV (drainage, waste, and vent) assembly of PVC/ABS, for the following: water closet, lavatory, bathtub, shower, kitchen or bar sink, washing machine, bidet, urinal, indirect waste.

The DWV should be roughed-in according to the Plumbing Code, manufacturer's specifications, and industry standards.

Process/Skill Questions:

• What is meant by rough-in?
• What is another name for a water closet?
• In which direction does all drainage water flow?
• What is indirect waste?