coal mining, quarries, sand and gravel excavations, well drilling, as defined in Subsection 73-3-24 (3), hauling to and from construction sites, and lumbering;
         (c) public utilities operating under the rules of the Public Service Commission on construction work incidental to their own business;
         (d) sole owners of property engaged in building:
         (i) no more than one residential structure per year and no more than three residential structures per five years on their property for their own noncommercial, nonpublic use; except, a person other than the property owner or individuals described in Subsection (1)(e), who engages in building the structure must be licensed under this chapter if the person is otherwise required to be licensed under this chapter; or
         (ii) structures on their property for their own noncommercial, nonpublic use which are incidental to a residential structure on the property, including sheds, carports, or detached garages;
         (e) (i) a person engaged in construction or renovation of a residential building for noncommercial, nonpublic use if that person:
         (A) works without compensation other than token compensation that is not considered salary or wages; and
         (B) works under the direction of the property owner who engages in building the structure;
         (ii) for purposes of this Subsection (1)(e), "token compensation" means compensation paid by a sole owner of property exempted from licensure under Subsection (1)(d) to a person exempted from licensure under this Subsection (1)(e), that is:
         (A) minimal in value when compared with the fair market value of the services provided by the person;
         (B) not related to the fair market value of the services provided by the person; and
         (C) is incidental to providing of services by the person including paying for or providing meals or refreshment while services are being provided, or paying reasonable transportation costs incurred by the person in travel to the site of construction;
         (f) a person engaged in the sale or merchandising of personal property that by its design or manufacture may be attached, installed, or otherwise affixed to real

property who has contracted with a person, firm, or corporation licensed under this chapter to install, affix, or attach that property;
         (g) a contractor submitting a bid on a federal aid highway project, if, before undertaking construction under that bid, the contractor is licensed under this chapter;
         (h) (i) a person engaged in the alteration, repair, remodeling, or addition to or improvement of a building with a contracted or agreed value of less than $1,000, including both labor and materials, and including all changes or additions to the contracted or agreed upon work;
         (ii) notwithstanding Subsection (1)(h)(i):
         (A) work in the plumbing and electrical trades must be performed by a licensed electrician or plumber except as otherwise provided in this section;
         (B) installation, repair, or replacement of a residential or commercial gas appliance or a combustion system must be performed by a person who has received certification under Subsection 58-55-308 (2) except as otherwise provided in Subsection 58-55-308 (2)(d) or 58-55-308 (3); and
         (C) installation, repair, or replacement of water-based fire protection systems must be performed by a licensed fire suppression systems contractor or a licensed journeyman plumber;
         (i) a person practicing a specialty contractor classification or construction trade which is not classified by rule by the director as significantly impacting the public's health, safety, and welfare;
         (j) owners and lessees of property and persons regularly employed for wages by owners or lessees of property or their agents for the purpose of maintaining the property, are exempt from this chapter when doing work upon the property;
         (k) (i) a person engaged in minor plumbing work incidental to the replacement or repair of a fixture or an appliance in a residential or small commercial building, or structure used for agricultural use, as defined in Section 58-56-4 , provided that no modification is made to:
         (A) existing culinary water, soil, waste, or vent piping; or
         (B) a gas appliance or combustion system; and
         (ii) except as provided in Subsection (1)(e), installation for the first time of a fixture or an appliance is not included in the exemption provided under Subsection (1)(k)(i);