Title: Calculate and set waste and soil pipes to level and gradient.
Course: Building Trades II (17009-II) > Section: Plumbing: Installing Waste and Soil Pipes

Calculation should include

- using measurements and leveling instruments
- determining that gradient = fall/distance.

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:

- 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

- 02104-05 Introduction to Plumbing Math
- 02106-05 Plastic Pipe and Fittings
- 02108-05 Cast-Iron Pipe and Fittings
- 02112-05 Introduction to Drain, Waste, and Vent (DWV) Systems

Plumbing: Level 2

- 02201-05 Plumbing Math Two