Plumbing

An introduction to the plumbing trade: what plumbers do, water supply and drain-waste-vent systems, pipe materials and joining methods, the IPC/UPC basics behind fixture units, slope, traps, venting, and backflow, the trade's hazards and OSHA controls, and the path from apprentice to journeyman, master, and business owner.

The second plumbing course: reading plumbing drawings, isometrics, and Division 22 specs; sizing drains and vents from fixture units and the code tables; water distribution sizing, pressure, velocity, and materials; underground rough-in and the under-slab test; water heaters, scald protection, and backflow prevention; and coordinating with other trades through inspections, pressure tests, and closeout.