The provisions in this chapter do not apply to:
(1) Baths or hot tubs located in a private residence or a private social or athletic club not open to the public generally.
(2) Baths or hot tubs located in public or private educational institutions or athletic organizations.
(3) Treatments given in any hospital, duly licensed nursing or convalescent home, or by physical therapists duly licensed, who treat patients only upon written prescription of a licensed doctor of medicine, or by any other person licensed by the state of Washington to treat the sick, injured, or infirm, or by any nurse under the direction of a person so licensed. (Added by Amended Ord. 86-099 § 62, Nov. 12, 1986).