Piping that has been utilized for any purpose other than conveying potable water shall not be utilized for conveying potable water.
18-29-608.11 Painting of water tanks.
The interior surface of a potable water tank shall not be lined, painted or repaired with any material that changes the taste, odor, color or potability of the water supply when the tank is placed in, or returned to, service.
18-29-608.12 Pumps and other appliances.
Water pumps, filters, softeners, tanks and all other devices that handle or treat potable water shall be protected against contamination.
18-29-608.13 Backflow protection.
Means of protection against backflow shall be provided in accordance with Sections 18-29-608.13.1 through 18-29-608.13.6.
18-29-608.13.1 Air gap.
The minimum required air gap shall be measured vertically from the lowest end of a potable water outlet to the flood level rim of the fixture or receptacle into which such potable water outlet discharges.