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Recirculation systems and appurtenances shall comply with the standards specified in Sections 18-29-1204.4.11.1 through 18-29-1204.4.11.8.
(Added Coun. J. 10-14-21, p. 37722, Art. XII, §1)
The recirculation system shall consist of pumping equipment, hair and lint catchers and filters, together with the necessary pipe connections to the pool inlets and outlets, facilities and pipe connections necessary for backwashing filters, and facilities and equipment for disinfecting the pool water.
(Added Coun. J. 10-14-21, p. 37722, Art. XII, §1)
A hair and lint catcher or strainer shall be installed on the suction side of the circulation pump to prevent hair, lint and other extraneous material from reaching the pump filters. Hair and lint catchers shall be so designed that they can be easily dismantled for cleaning and inspection and shall be so located as to be easily accessible for cleaning. The design features shall be as follows: Water passes through the strainer from the outside; the strainer is made of non-corrosive material; the width or diameter of the miner openings is not more than 1/8 inch (3 mm); the area of the strainer openings shall be at least five times the cross-sectional area of the inlet pipe to the strainer.
(Added Coun. J. 10-14-21, p. 37722, Art. XII, §1)
Recirculating systems shall contain rapid pressure filters. Sufficient filter area shall be provided to filter the entire contents of the pool in six hours at the rate of not more than 3 gallons per minute per square foot (2 L/s/m2) of filter area. The filter backwashing facilities shall be sufficient to backwash at the rate of 15 gallons per minute per square foot (10 L/s/m2) of filter area. All backwash water and effluents shall be discharged to the sewer through an indirect connection. Pressure filters shall be equipped with readily accessible air relief valves, loss of head or pressure gauges on the inlet and outlet pipes, and an access head or hole large enough to permit inspection, maintenance and repair work. Sight glasses that can be easily removed for cleaning shall be provided in the effluent line from the filter units.
(Added Coun. J. 10-14-21, p. 37722, Art. XII, §1)
Equipment shall be provided for the disinfection of all pool water. Any disinfection method using materials other than chlorine compounds shall be subject to the approval of the Illinois Department of Public Health. Disinfection equipment installed for the use of chlorine compounds shall have sufficient capacity to maintain a minimum free chlorine residual of 0.5 parts per million. The disinfectant shall be introduced into the recirculation system ahead of the filters.
(Added Coun. J. 10-14-21, p. 37722, Art. XII, §1)
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