105.2 - DEFINITIONS.

        105.2  DEFINITIONS.
         As used in this chapter, unless the context otherwise requires:
         1.  "Apprentice" means any person, other than a helper,
      journeyperson, or master, who, as a principal occupation, is engaged
      in working as an employee of a plumbing, HVAC, refrigeration, or
      hydronic systems contractor under the supervision of either a master
      or a journeyperson and is progressing toward completion of an
      apprenticeship training program registered by the office of
      apprenticeship of the United States department of labor while
      learning and assisting in the design, installation, and repair of
      plumbing, HVAC, refrigeration, or hydronic systems, as applicable.
         2.  "Board" means the plumbing and mechanical systems board as
      established pursuant to section 105.3.
         3.  "Contractor" means a person or entity that provides
      plumbing, HVAC, refrigeration, or hydronic systems services on a
      contractual basis and who is paid a predetermined amount under that
      contract for rendering those services.
         4.  "Department" means the Iowa department of public health.
         5.  "Governmental subdivision" means any city, county, or
      combination thereof.
         6.  "Helper" means a person engaged in general manual labor
      activities who provides assistance to an apprentice, journeyperson,
      or master while under the supervision of a journeyperson or master.
         7.  "HVAC" means heating, ventilation, air conditioning, and
      ducted systems.  "HVAC" includes all natural, propane, liquid
      propane, or other gas lines associated with any component of an HVAC
      system.
         8.  "Hydronic" means a heating or cooling system that
      transfers heating or cooling by circulating fluid through a closed
      system, including boilers, pressure vessels, refrigerated equipment
      in connection with chilled water systems, all steam piping, hot or
      chilled water piping together with all control devices and
      accessories, installed as part of, or in connection with, any comfort
      heating or comfort cooling system or appliance using a liquid, water,
      or steam as the heating or cooling media.  "Hydronic" includes
      all low-pressure and high-pressure systems and all natural, propane,
      liquid propane, or other gas lines associated with any component of a
      hydronic system.
         9.  "Journeyperson" means any person, other than a master,
      who, as a principal occupation, is engaged as an employee of, or
      otherwise working under the direction of, a master in the design,
      installation, and repair of plumbing, HVAC, refrigeration, or
      hydronic systems, as applicable.
         10.  "Master" means any person who works in the planning or
      superintending of the design, installation, or repair of plumbing,
      HVAC, refrigeration, or hydronic systems and is otherwise lawfully
      qualified to conduct the business of plumbing, HVAC, refrigeration,
      or hydronic systems, and who is familiar with the laws and rules
      governing the same.
         11.  "Mechanical professional" means a person engaged in the
      HVAC, refrigeration, or hydronic industry.
         12.  "Mechanical systems" means HVAC, refrigeration, and
      hydronic systems.
         13.  "Medical gas piping" means a permanent fixed piping
      system in a health care facility which is used to convey oxygen,
      nitrous oxide, nitrogen, carbon dioxide, helium, medical air, and
      mixtures of these gases from its source to the point of use and
      includes the fixed piping associated with a medical, surgical, or gas
      scavenging vacuum system, as well as a bedside suction system.
         14.  "Medical gas system installer" means any person who
      installs or repairs medical gas piping, components, and vacuum
      systems, including brazers, who has been issued a valid certification
      from the national inspection testing certification (NITC)
      corporation, or an equivalent authority approved by the board.
         15.  "Plumbing" means all potable water building supply and
      distribution pipes, all plumbing fixtures and traps, all drainage and
      vent pipes, and all building drains and building sewers, storm
      sewers, and storm drains, including their respective joints and
      connections, devices, receptors, and appurtenances within the
      property lines of the premises, and including the connection to
      sanitary sewer, storm sewer, and domestic water mains.
      "Plumbing" includes potable water piping, potable water treating
      or using equipment, medical gas piping systems, fuel gas piping,
      water heaters and vents, including all natural, propane, liquid
      propane, or other gas lines associated with any component of a
      plumbing system.
         16.  "Refrigeration" means any system of refrigeration
      regardless of the level of power, if such refrigeration is intended
      to be used for the purpose of food and product preservation and is
      not intended to be used for comfort systems.
         17.  "Routine maintenance" means the maintenance, repair, or
      replacement of existing fixtures or parts of plumbing, HVAC,
      refrigeration, or hydronic systems in which no changes in original
      design are made.  Fixtures or parts do not include smoke and fire
      dampers, or water, gas, or steam piping permanent repairs except for
      traps or strainers.  Routine maintenance shall include emergency
      repairs, and the board shall define the term emergency repairs to
      include the repair of water pipes to prevent imminent damage to
      property.  "Routine maintenance" does not include the replacement
      of furnaces, boilers, cooling appliances, or water heaters more than
      one hundred gallons in size.  
         Section History: Recent Form
         2007 Acts, ch 198, § 2; 2008 Acts, ch 1032, § 102, 202; 2008 Acts,
      ch 1089, § 10, 11; 2009 Acts, ch 151, §2, 3