(a)   The work described in Section 1367.23 shall not be performed unless the establishment is the holder of an unexpired limited appliance dealers license, issued by the Health Commissioner, for which a charge of forty dollars ($40.00) for each calendar year shall be made.  Each license shall expire December 31 of the year in which it is issued.
   (b)   Such work shall be performed only by the holder of an unexpired limited appliance installers license, issued by the Health Commissioner for which a charge of twenty dollars ($20.00) for each calendar year shall be made.  Each license shall expire December 31 of the year in which it is issued.
   (c)   No limited appliance installers license shall be issued unless the applicant has satisfactorily passed an examination on his competency fitness and ability to comply with State laws, City ordinances and the rules and regulations of properly constituted public authorities in effect at the time, relating to the type or types of work for the performance of which the applicant seeks a license.  Such examination shall be administered by the Plumbers Examining Board and shall be limited to questions or demonstrations which fairly test the fitness and the ability of the applicant to perform such work that is incidental to connections with water lines, waste lines, traps, drains or vent stacks, in the installation of the appliances as defined above. A twenty dollar ($20.00) examination fee shall be collected from the applicant prior to such examination.  A licensee who shall fail to secure a renewal of his license by January 31 may, at the discretion of the Board, be required to pass another examination before being eligible for a new license.
   (d)   No limited appliance dealers license shall be issued until the establishment has filed with the Health Commissioner:
      (1)   A certificate evidencing general liability insurance for the acts of the establishment and its installers including completed operations coverage for each person in the amount of three hundred thousand dollars ($300,000.00) and for each occurrence combined in single limit for bodily injury and property damage and requiring not less than ten days written notice to the Health Commissioner prior to cancellation; and
      (2)   A bond in the sum of five thousand dollars ($5,000.00) with sureties approved by the City Manager, conditioned to save the City and its inhabitants harmless from all liability, loss or damage of whatsoever nature that may result, directly or indirectly, to persons or property by reason of any wrongful act or neglect of any such licensee or any person in his employ or working under his supervision, with respect to any work contemplated by the terms of his license, or his employees' license, and further conditioned that such establishment and his employees will abide by the laws, ordinances, rules and regulations governing such work in the City then in force or thereafter established by proper authority.