§ 53.210 FACILITIES AND APPLICATIONS REQUIRING BACKFLOW PREVENTION.
   (A)   Facilities are broken into two categories.
      (1)   Low hazard - DCVA.
         (a)   Fire sprinkler systems without booster pump facilities or chemical additives**.
         (b)   Connection to tanks, lines and vessels that handle non-toxic substances.
         (c)   Automotive service stations.
         (d)   Bakeries and beauty shops with no health hazard.
         (e)   Bottling plants with no back pressure.
         (f)   Most commercial establishments.
      (2)   High hazard - RPZ.
         (a)   Lawn sprinkler systems.
         (b)   Wastewater treatment plants.
         (c)   Connection to an unapproved water system or unapproved auxiliary water supply.
         (d)   Connection to tanks, pumps, lines, steam boilers and vessels that handles sewage, lethal substances toxic or radioactive substances.
         (e)   Fire sprinkler systems with booster pump facilities or chemical additives**.
         (f)   Buildings with five or more stories above ground level.
         (g)   Hospitals, dental offices and other medical facilities.
         (h)   Morgues, mortuaries and autopsy facilities.
         (i)   Metal plating facilities.
         (j)   Bottling plants subject to backpressure.
         (k)   Canneries.
         (l)   Battery manufacturers.
         (m)   Exterminators.
         (n)   Lawn care companies.
         (o)   Chemical processing plants.
         (p)   Dairies.
         (q)   Film laboratories.
         (r)   Car wash facilities.
         (s)   Dye works.
         (t)   Laundries.
         (u)   Swimming pools.
         (v)   Water front facilities.
   (B)   Notes.
      (1)   Under no circumstances will a potable water line be directly or indirectly connected to any piping or equipment that conveys sewage.
      (2)   An approved double check detector assembly (DCDA) is required on a low hazard fire system and an approved reduced pressure detector assembly (RPDA) is required on a high hazard fire system.
      (3)   This is not an exhaustive list.
(Ord. 23-38, passed 11-9-2023)