Section 675IAC20-5-23. Disinfectant equipment and chemical feeders

   (a) Disinfectant equipment and chemical feeders serving only spray/splash pads on decks with no standing water shall be capable of automatically providing a continuous chemical disinfectant residual of a minimum of two (2) ppm chlorine or four (4) ppm bromine.

  (b) All such equipment shall:

(1) be of an approved type; and

(2) be installed downstream from the pump and wired so they will not operate unless the filter pump is operating.

An exception is erosion-type chlorinators may feed their solution to the suction side of the pump.

  (c) Spray pads and splash pads shall have the following:

(1) Electronic monitoring equipment that will shut off the spray nozzles when the chemical disinfectant residual in the balance tank falls below the recommended level.

(2) Secondary disinfection such as ultraviolet light or ozone in addition to chemical disinfection.

(A) Disinfection equipment shall be tested and listed for use in spray pad disinfection.

(B) Ultraviolet light dosage shall be forty (40) mJ/cm2 or greater.

(C) Ultraviolet light systems shall have a properly calibrated light intensity meter, automatic water flow shutoff in the event the light intensity decreases below recommended level and an alarm to advise of a malfunction.

  (d) Skimmer baskets shall not be used as chemical feeders.

  (e) All chemical feed and control systems shall be installed as specified by the manufacturer. The manufacturer's data plate shall be affixed to the equipment. (Fire Prevention and Building Safety Commission; 675 IAC 20-5-23; filed Mar 25, 2011, 10:19 a.m.: 20110420-IR-675090789FRA; readopted filed Aug 7, 2013, 8:51 a.m.: 20130904-IR-675130181RFA)