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(a) Private residential swimming pool water recirculation system outlets should be so located as to provide at least one outlet at the deepest point in the pool if the pool width does not exceed 20 feet. If the pool width is more than 20 feet, multiple outlets shall be provided and spaced not more than 20 feet apart, nor more than ten feet from walls. All pool drain outlets shall be equipped with gratings having an area of openings not less than ten times the cross-sectional area of the outlet pipe. The gratings shall be of such design so as they can not be readily removable by bathers and will not injure bathers' fingers.
(b) Pools shall be equipped with facilities for completely emptying the pool and the discharge of the pool water to the sewer shall be at a rate not exceeding 250 gallons per minute. No direct connection shall be made to the sewer. The drainage system shall be constructed in conformance with the provisions of Chapter 18-29 of this Code. The drain pipe line diameter shall be at least six inches.
(c) Drain pipe lines from walk areas, scum gutters and pools shall discharge into a common catchbasin. If elevation permits, the catchbasin may drain by gravity into the sewer. If, however, the elevations are such as to require pumping, the combined discharge shall be pumped into the sewer. In either case, a backwater valve or gate shall be installed downstream from the catchbasin and the pump. Water drained from the pool shall not be discharged to the sewer system during periods of rain or storms. At no time shall the rate of drain water discharge exceed a flow of 250 gallons per minute.
(Prior code § 61-18.14; Amend Coun. J. 11-9-16, p. 36266, § 20)