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OCT-31-01 HED 12:12 P!1 DEEPHAVEN CITY HALL FAX NO. 16124741274 P. 10 <br />Seciicn 330:00 <br />1 . Filters shall be capable of filtering the entire contents of the pool in twelve <br />(12) hours or less. <br />2. Filter capacity shall be such that it need not be cleaned more fi-'.quently <br />than once every four days under proper conditions of water and operation. <br />3. All filters shall be designed so as to permit easy removing of the cartridges. <br />Section 330:14. Recirculation Pumn-s <br />The recirculating pump shall have sufficient capacity to provide the rated flows of <br />tlie filter system, without exceeding the head loss at wliich Jie pump will deliver <br />such flows. The pump motor shall not be operated at an overload which exceeds <br />tltc service factor. <br />The pool pump shall be equipped on the inlet side with an approved type hair and <br />lint interceptor. The basket of the iuteiceptcr shall be non-corrosive and have an <br />open screen surface at least four (4) times the cross sectional area of Uie inlet pipe. <br />When the filtering and pumping equipment is installed above ground at a level <br />below the overflow level of the pool as may be dictated by the contout of the plot <br />on which (he pool is constructed, a valve shall be installed on the main suction line <br />located in an accessible place outside of the walls of the pool. <br />Section 330:16. Pool Pining, llic pool piping shall be sized to permit the rated flows for <br />filtering and cleaning without exceeding the maximum head at v^ich the pump will provide such <br />flows. In general, the water velocity in the pool piping should not exceed more than ten (10) feet <br />per second. Where vclocit)’ is to exceed ten feet per second, summary calculations shall be <br />provided to show that rated flows are possible with the pump and piping provided. The <br />recirculating piping and fittings shall meet the following requirements: <br />a. Where vacuum fittings arc provided, they shall be located in accessible positions <br />below the water line. <br />b. Pool recirculation piping, passing through the pool structure, shall be copper, <br />brass, or approved equal tubing with a minimum wall of thickness of type "L“. <br />c. Pool piping systems shall be constructed of materials prescribed in the City <br />Plumbing Code. <br />d. Installation of the pool piping, except for the pool water supply line must be done <br />by the pool contractor subject to inspection prior to covering the system.