Where and when permitted, no privy, privy vault, chemical privy tank or sewage disposal equipment shall be constructed or installed until a permit has been issued by the Board of Health. Application for a permit to construct or install a privy, privy vault, chemical privy tank or sewage disposal equipment shall be made to the Board of Health. Before issuing a permit, the premises on which the privy, privy vault, chemical privy tank or sewage disposal equipment is to be constructed or installed shall be inspected to insure that the provisions of these regulations with respect to such constructions can be and will be carried out. Privies, privy vaults, chemical privy tanks and sewage disposal equipment shall be inspected before they are used and their use shall be prohibited if not constructed in accordance with these regulations. (1925 Code §112.)