Testing should be performed according to code.
IRC: See chapter 25, section P2503 (https://codes.iccsafe.org/content/IRC2018P4).
Process/Skill Questions:
- How much head pressure is required for an accurate water test?
- How are open lines sealed?
- Who oversees and checks the water test?
NCCER Standards:
Plumbing: Level 1
- 02106-05 Plastic Pipe and Fittings
- 02108-05 Cast-Iron Pipe and Fittings
- 02112-05 Introduction to Drain, Waste, and Vent (DWV) Systems