18-29-608.16.8 Portable cleaning equipment.
   Where the portable cleaning equipment (including power washers) connects to the water distribution system, the water supply system shall be protected against backflow in accordance with Section 18-29-608.13.1, Section 18-29-608.13.2, Section 18-29-608.13.3, Section 18-29-608.14 or Section 18-29-608.15.