Students will be able to: describe the functions of a plumbing system; list and describe the various levels of expertise within the plumbing trade structure; outline the requirements of a plumbing apprenticeship program; discuss industry and standards organizations related to the plumbing trade and common model plumbing codes and their jurisdictions; explain five major divisions of prints; describe three basic plumbing systems in a building; discuss common types of personal protective equipment; identify and use common safety guidelines for the use of hand and power tools; describe safety precautions required for safe plumbing trade practices; apply accurate mathematical principles required for plumbing calculations; discuss the materials commonly used for plumbing pipes and fittings; list and describe common types of pipes and fittings; describe five types of copper tube fittings and common plumbing valves; identify common types of water meters; describe basic plumbing tools and equipment used in plumbing; correctly use of testing tools and equipment; explain methods for joining, installing, and supporting pipe; outline common requirements for hanging and supporting pipe; define sanitary drainage piping and explain how it is used; diagram how to size building drains, building sewers, horizontal branch drains, and soil and waste stacks; define sanitary drainage vent piping and discuss types of vents; demonstrate how to size common types of sanitary drainage vents; define stormwater drainage piping and discuss two common components of a stormwater drainage system; demonstrate how to size stormwater piping; calculate total dfu values for fixtures in a building; explain stack venting and individual vent fixtures; identify the dfu demand and vent requirements for various types of dwellings; explain the function of a trap; identify common types of traps used in a plumbing system; describe why certain traps are prohibited from being installed in a drainage system; describe common causes of trap seal loss; discuss factors used to determine the size of water supply piping; discuss minimum sizes for water supply piping for various types of dwellings; explain the water supply fixture unit sizing method and common applications; discuss common causes of backflow; describe cross connection and how it can be prevented; list factors to consider when selecting a backflow prevention device; explain the function of a barometric loop; discuss types of vacuum breakers; discuss types of check valves; explain the function of a reduced pressure zone backflow preventer; define the terms plumbing fixture and appliance as they relate to plumbing; discuss common water closet operating principles and flush devices; discuss common urinal types and flush devices; discuss common types of lavatories and lavatory trim and common bathtub types and fittings; discuss showers and bidets; list common kitchen sink types, fittings, and appliances; list common laundry trays, floor drains, service sinks, and mop basins; explain how a water softener functions; discuss common types of water heaters; list the terms related to water reclamation and recycling; describe how low-flow plumbing fixtures and appliances reduce their energy and water consumption; list common types of high-efficiency hot water systems; define green building; Identify and describe common types of plumbing system tests; describe methods for performing sanitary drainage and vent piping tests; describe methods for performing potable water supply and distribution piping tests; describe methods for performing final air tests; describe the common procedure for performing plumbing system tests; explain what makes up a successful customer service call; outline methods for servicing gravity-fed water closets; describe methods for servicing flushometer valves; explain service procedures for various types of faucets; describe methods for performing lavatory service, kitchen sink service, and bathtub service; explain the methods for shower repairs; describe methods of floor drain service;List and explain gas water heater repair; explain electric water heater repair; and outline plumber's license requirements.