Requirement 1a: Describe how a properly working plumbing system protects your family's health and safety.
Requirement 1b: List five important local health regulations related to plumbing and tell how they protect health and safety.
Requirement 1c: Describe the safety precautions you must take when making home plumbing repairs.
Requirement 2: Do the following:
Requirement 2a: Make a drawing and explain how a home hot- and cold-water supply system works. Tell how you would make it safe from freezing.
Requirement 2b: Make a drawing and explain the drainage system of the plumbing in a house. Show and explain the use of drains and vents.
Requirement 3: Show how to use five important plumber's tools.
Requirement 4: Identify and describe the use of each of the following: washer, retaining nut, plunger (rubber force cup), solder, flux, elbow, tee, nipple, coupling, plug, union, trap, drainpipe, and water meter.
Requirement 5: Name the kinds of pipe that are used most often in a plumbing system. Explain why these pipes are used.
Requirement 6: Cut, thread, and connect two pieces of metal pipe.
Requirement 7: Under the supervision of a knowledgeable adult, solder three copper tube connections using a gas torch. Include one tee, two straight pieces, and one coupling.
Requirement 8: Do the following:
Requirement 8a: Replace a washer in a faucet.
Requirement 8b: Clean out a sink or lavatory trap.