Section 2. There shall be a chief of the said division, to be known as the Chief of the Division of Housing and Sanitation, who shall have had experience in sanitary work. An assistant chief and one or more supervising inspectors, all of whom shall be qualified by training or experience; a statistician, sufficient inspectors, and such stenographers, typewriters, messengers, and other employes as the Director of the Department of Public Health and Charities shall deem necessary, subject to the approval of select council. The city councils, with the approval of the mayor, shall fix their respective salaries. None of the foregoing officers shall be otherwise employed.
The Director of the Department of Public Health and Charities shall, immediately after the city councils by ordinance create the said division, organize and establish said division by transfer thereto of the inspectors and employes of the Division of Sanitation and Tenement House Inspection. Where there is no substantial change made in the duties or salary of the person transferred, he shall be placed in the new position without a civil service examination. Such other employes as this act provides for shall be appointed by the Director of the Department. The chief of the division shall forthwith organize a subdivision thereof, which shall have charge and control of all matters relating to the construction and reconstruction of the plumbing and house connections of all buildings. Said subdivision shall be in immediate charge of one of the supervising inspectors. Said supervising inspectors, and each of the persons who may perform the duties of the examinations of plans of proposed plumbing work, or the inspection of plumbing and house connections, or who may perform any of the technical work necessary in the operation of this division, shall be required to have had at least five years' experience as a practical plumber.