[Amended 1-16-2001 by Ord. No. 5902]
When used in this chapter, the following words or terms shall have the meanings respectively ascribed to them in this section:
Any person who is working at the trade in the employment of a licensed plumbing contractor and is under the direct supervision of a certified master plumber or certified journeyman plumber or a certified residential plumber.
Person having the necessary qualifications, training, experience and technical knowledge, under the direct supervision of a master plumber, to install and repair plumbing works and systems.
Person having the necessary qualifications, training, experience and technical knowledge to properly plan, lay out and supervise the installation, maintenance, repair or the alteration of plumbing works and systems.
Any person, firm, copartnership, corporation, association or combination thereof who or which undertakes or offers to undertake for another for hire the planning, laying out, supervising and installing or making alterations or additions and repairs in the installation of plumbing works and systems. No person, firm, company or corporation shall perform the duties of a plumber for hire or with or for another unless said person possesses a valid plumbing contractor's license or is an employee of a person, firm, company or corporation that possesses such a license.
Person having the necessary qualifications, training, experience and technical knowledge to install and repair plumbing works and systems in no more than a six-family dwelling.