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( <br /> ( <br /> ( <br /> i <br /> � Basic Function lhe entire filter cartridge is used to filter <br /> � The SlormFilter is designed to siphon Water throughout the duration of the storm, <br /> stormwater runof( through a filter cartridge regardless of the water surface elevation in <br /> containing media. A variety of filter media is the unit. Tris siphon continues until the <br /> available and can be customized (or each '�'ater sur(ace elevation drops to lhe <br /> sile to target and remove lhe desired levels elevation of the hood's scrubbing <br /> of sediments, dissolved phosphorus, regulators. <br /> dissolved metals, organics, and oil and The cartridges are connected to the under- <br /> grease. In many cases, a combination of drain manifold with a plastic connector. <br /> media is recommended to maximize the Since some media used is potentially <br /> effer,tiveness of the stormwater pollutant buoyant, a threaded connector a�xed to the <br /> removal. under-drain manifold (with glue or other <br /> - adhesive) is necessary to ensure that the <br /> __ _.. <br /> cartridge isn't lifted out of place. For the <br /> - � heavier compost media, a slip connector is <br /> used. <br /> The StormFiller is also equipped with flow <br /> spreaders that trap floating debris and <br /> i` surface films, even during overflow <br /> " conditions. Depending on individual site <br /> ; `'� A- • ` ' characteristics, some systems are equipped <br /> i � wilh high and/or base flow bypasses. High <br /> flow bypasses are installed when the <br /> t calculated peak stom� event generates a <br /> i ' ' ' ' ' flow that overcomes the overflow capaciry of <br /> Figure 1. The StormFilter Cartridge lhe system. This is especially important fcr <br /> � precast syslems. Base flow bypasses are <br /> � sometimes installed to bypass continuous <br /> Priming System Function inflows caused by ground water seepage, <br /> � When stormwater ir� the StormFilter unit which usually do not require trealment. All <br /> i enters a StormFilter cartridge, it percolates StormFiller units are designed with an <br /> horizontally through the cartridge's filter overilow. The overflow operates when the <br /> � media and collects in lhe center tube of the inflow rate is greater than the trealment <br /> ( cartridge, where the float in the cartridge is capacity of lhe filter cartridges. <br /> � in a closed (downward) position. <br /> ( Water continues to pass through the filter <br /> � media and ��to the carlridge's center tube. <br /> The air in the cartridge is displaced by the <br /> ( waler and purged from beneath lhe flter <br /> � hood through the one-way check valve <br /> located in the cap. Once the center tube is <br /> ( filled with waler (approximately 18 inches <br /> � deep), lhere is enough buoyant force on the <br /> float to open the 8oat valve and allow the <br /> � treated water in the cenler Wbe lo flow into <br /> � the under-drain mani(old. This causes the <br /> check valve to close, iniliating a siphon ihat <br /> draws polluted water throughout the full <br /> sur(ace area and volume of the filter. Thus, <br /> e?2G^S CONTEf,H Stormwaler Solulions TolbGee�800.548A667 Z o�� <br /> i <br /> a.:iloG�5lunc::ale�r.Cnm VJull,CIP nnd L'mcar JlomiFille�Opcialion:ln�Al:�inir�nncc(iwCal:nCS <br />