This subchapter does not apply to the following:
(A) An authorized employee of the United States, the state, the county, the town, or any political subdivisions thereof, so long as the employee does not hold himself out for hire and is acting within the scope of his employment;
(B) Public utilities, where construction, maintenance, and development work performed by their own forces and incidental to their business;
(C) The owner-occupant of a dwelling of two or less residential units when said owner-occupant is installing, altering, or repairing said residential unit;
(D) Any construction, alteration, improvement or repair of improvements located on any site and project where state and federal law supersedes this section;
(E) Any individual who is employed or acts as a maintenance person at his place of employment.
(Ord. 566, passed 12-1-92)