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/ .L Built in or portable suction cleaner reaching all parts of the -cool <br />shall be provided,. Jet type units shall be providcd with siphon <br />breakers. SEC 7805 <br />t....../ 2„ All valves Siould be readily acces .e an <br />, markings, Recirculation e u a ;._ _.:, all hay <br />V-------)C clearance <br />-from walTs and ceilings to permit operation and maintenance,. <br />1( en te <br />reet ?2 minimum <br />4- Gutter drains spaced not more than 15 feet anart and designed to <br />drain within 10 minutes after being flooded. Gutter sloped two and <br />one-half inches (2e4) in ten feet (10'), <br />Drainage pipes minlir.um 140 inches (2") in diameter provided with <br />corrosion-resistant giating, <br />Surge tank or other hydraulic arrangements provided for continuous <br />surface skimming action. SEC 7791. <br />Other devices approved by the Health Department, SE'3 7791. <br />J0 SEC, 7793 - SKIMMERS (in lieu of or with gutters) <br />1,, Skimmers allowed on pool surface area not over 4„000 square feet, <br />provided that there is a central recirculation filter system. <br />One skimmer for each 500 square feet or fractional part, Pools up <br />to 600 square feet, ad: have only one skimmer, <br />Skimmers of approved design, automatically adjustable to variatiens <br />in water levels over range to three inches (3"), equipped with a <br />device to prevent air lock, provided with screen basket to trap <br />large solids, <br />Skimmers have a coubined rate of flow of at least percent of the <br />capacity of the pool recirculation. system_ <br />A maximum of four individual skim filter units allowtA on public <br />pools. SEC, 7803, <br />K, SEC. 7800 - RECIUULATIOM (inlet fittings and piping) <br />1. One inlet required for each 500 square feet of pool ar0- 3J1inimum <br />number of inlets: two. Inlet pipe size meet pool eqipmnt man- <br />facturer specifioations.. SE. 7789“ <br />Bottom drain grate slots not over one half inch wIde, securely <br />fastened. SEC, 7789, <br />5, Approved rate of flow indicator on recirculation filter. system, <br />Pressure gauges on filter influent and effluent hiles installed at <br />same elevation (on centrally located filter systems). <br />On suction-type filter a vacuum gauge shall be Drovided on the suction <br />side of recirculation pump, <br />Hair and lint catcher on recirculation rump except for suction-tyre <br />filter. <br />L. ' Filtration <br />1, SEC. 7802-RAPID SAND FILTER <br />a, Filter rate not to exceed 3 gpmisqo ft. Backwash rate not less <br />than 12 gpmisqa fb,