Sec. 9-15 Irrigation Systems.
   a.   A reduced pressure backflow preventer, an air gap, or an approved pressure type vacuum breaker device shall be required for the following hazards:
      1.   Lawn-irrigation systems;
      2.   Similar lawn-care systems; and
      3.   Garden hose spigots placed below lawn grade.
(Ord. No. 1241, § 5, 7-14-93)