Roughing-in should include
- selecting from water closet, lavatory, bathtub, shower, kitchen or bar sink, washing machine
- following code, manufacturer's specifications, and industry standards.
IRC: Chapters 26 and 30 cover sanitary drainage, Chapter 31 covers venting of waste pipes, and Chapter 32 covers traps. This includes installation, pipe connections, securing pipe, and falling pipe (https://codes.iccsafe.org/content/IRC2018P4).
Process/Skill Questions:
- What is meant by rough-in?
- What is another name for a water closet?
- Where does all drainage water flow?
NCCER Standards:
Plumbing: Level 1
- 02106-05 Plastic Pipe and Fittings
- 02108-05 Cast-Iron Pipe and Fittings
- 02110-05 Corrugated Stainless Steel Tubing