Jul 15, 2025  
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GCT 2020 - Plumbing


Clock Hours: 125

Delivery Mode
on-ground

Course Description:
In this course, students develop basic plumbing skills. Topics include plumbing tools and materials identification and use, pipe joining techniques, rough-in plumbing systems installation, pressure-testing, plumbing fixture installation, and basic plumbing troubleshooting and repair.  

Student Learning Outcomes:
Students will be able to: 
 

  • Identify and demonstrate the proper use of tools and equipment in the plumbing trade.  

  • Read a ruler to the nearest 1/16th of an inch.  

  • Calculate the slope required for building and sewer lines.  

  • Identify common plumbing materials and fittings used for supply and DWV systems.  

  • Identify common plumbing tools and equipment.  

  • Identify common plumbing fixtures and appliances.  

  • Identify common valve types and their uses (ball, gate, isolation/ shut-off, t&p, hose bibb, check, etc.).  

  • Describe the operation of vacuum breakers, back-flow preventers, and anti-siphon devices.  

  • Describe plumbing-related “ADA” International Code Council (ICC) building code requirements.   

  • Cut and join copper tubing using appropriate tools and techniques, including sweating, compression, and shark-bite.  

  • Describe methods of cutting and joining cast iron pipe, both service weight and no hub types.  

  • Cut, ream, and thread black iron or galvanized pipe using a pipe cutter, ratchet threader, and reamer.  

  • Describe the steps for joining threaded black iron or galvanized.  

  • Describe the benefits and methods of installing PEX tubing, fittings, use expanders, insert fitting, and rings.  

  • Describe flexible gas piping (gastite, tracpipe).  

  • Cut and join PVC/CPVC using appropriate tools and methods.  

  • Secure horizontal and vertical lines of pipe to wood and metal surfaces.  

  • Locate and mark holes for plumbing and install pipe through wood walls, ceilings, and floors.  

  • Install water closet.  

  • Install kitchen faucet with sprayer assembly.  

  • Install lavatory faucet.  

  • Install garbage disposal.  

  • Install the dishwasher.  

  • Install tub/shower combination with faucet.  

  • Describe pressure testing for supply.  

  • Explain procedures for testing DWV systems using hydrostatic means 

  • Repair common faucet leaks and repair issues.  

  • Diagnose and repair common toilet malfunctions  

  • Disassemble and clean kitchen sink and lavatory sink P-Trap.  

  • Describe the operation of the ball, disc, cartridge, and compression faucets.  

  • Describe procedures to replace the heating element on a water heater.  

  • Identify components of gas and electric water heaters.  

  • Explain and describe the characteristics of low-flow faucets, aerators, and showerheads.  

  • Describe and explain the operating principles of a dual flush water closet.  

  • Describe and explain the principles of tankless water heaters.