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OCT-31-01 MED 12:09 PH DEPHAVEN CITY HALL FAX NO. 18124741274 P. 03 <br />Section 330:00 <br />"Filter" is a material or apparatus by which water is clarified. <br />•Underdrain” a an appurtenMce al the boUom of the fillet to t«ure equal disiribuUon of <br />water through the filter media. <br />"Filter element" is the port of a filter deviec which retains the filter media. <br />"Recirculation skimmer" is a device connected with pump suction used to skim the pool <br />over a self-adjusting weir and return the water to the pool through the filter. <br />Tiller media" is the fine material which entraps the suspended particles. <br />"Filter aand" is a type of filter media. <br />Tiller rock" is a graded rock and gravel used to support filter sand. <br />"Filter aid" is a diatomite type of filter media. <br />"Diatomite type filter" is a filter designed to be used with filter aid. <br />"Diatomite" (diatomaccous earth) is a typt uf .*’«Uer aid. <br />"Skimmer-filter" is a recirculating skimmer with a filler forming an integral part of the <br />device. <br />"Filter septum" is that part of the filler clement in a dialomile-lypc filter, upon <br />which a cake of diatomite is deposited. <br />"Prccoaf * is in a dialomite-type filter the initial coating of filter aid placed on the filter <br />septum at the start of the filter cycle. <br />"Body feed" is filter aid fed into a diatomitc-type filler ihrougliout the filtering cycle. <br />•Filter cartridge" is a disposable filter element whicli employs no filler aid. <br />"Caruidge filter" is a filter using filler cartridges. <br />"Design rate" is the average flow rate over the filtration cycle. <br />"Pool depth" is the distance between the floor of the pool and the ma.ximuro operating <br />level when pool is in use. <br />"Pool deck" is the finished area around the pool. <br />"Width and length" shall be determined by actual water dimensions.