(A)   In some unique or special circumstances, more stringent cross-connection and backflow prevention protection may be required to provide adequate protection to the public potable water supply.
   (B)   In addition to the standards provided in section 22-72, the Backflow Prevention and Cross-Connection Control Program Manual shall contain additional, more stringent standards and criteria for the cross-connection control, including but not limited to, whenever:
      (1)   The water superintendent or designee, the county health department, or the city building inspector determines that it is not practical to protect drinking water systems through the use of standard back flow prevention devices;
      (2)   Water systems for fighting fires are derived from a supply that cannot be approved for potable or safe for human consumption;
      (3)   Potable water pipelines are connected to equipment used in industrial processes;
      (4)   Sewage pumps or storm water pumps require fresh water priming connections;
      (5)   Potable water is supplied to facilities containing a sewage treatment plant, sewage pumping station, or storm water pumping station;
      (6)   Water supplies are provided to vessels at piers or waterfronts; or
      (7)   Potable water is supplied to premises containing dual or multiple water systems or piping.
(`64 Code, Sec. 33-58) (Ord. No. 1009, 2661)