(1) The general assembly hereby finds that:
(a) Improper plumbing can adverselyaffect the health of the public and that faulty plumbing is potentially lethal and can cause widespread disease and an epidemic of disastrous consequences;
(b) To protect the health of the public, it is essential that plumbing be installed by persons who have proven their knowledge of the sciences of pneumatics and hydraulics and their skill in installing plumbing.
(2) Consistent with its duty to safeguard the health of the people of this state, the general assembly hereby declares that individuals who plan, install, alter, extend, repair, and maintain plumbing systems should be individuals of proven skill. To provide standards of skill for those in the plumbing trade and to authoritatively establish what shall be good plumbing practice, the general assembly hereby provides for the licensing of plumbers and for the promulgation of a model plumbing code of standards by the examining board of plumbers, and this article is therefore declared to be essential to the public interest.
(3) The general assembly encourages the examining board of plumbers to adopt and incorporate by reference appendix C of the "International Plumbing Code" (I.P.C.), 2009 edition, promulgated by the international code council, first printing (January 2009), or the graywater provisions within a newer edition of the I.P.C., whether the provisions are contained in appendix C or elsewhere.