6611 ASSOCIATED BLVD BASE FILE 2016-01-01 MF Import

i � I Basic Function the entire filter cartridga is used to fi�ter I The StormFilter is designed to siphon water throughout the duration of the storm, stormwater runoff through a filter c:3rtridge regardless of the water surface elevation in i containing media. A variety of filter media is the unit. This siphon continues until the available and can he customized for each Water surface elevation drops to the site to target and remove the desired lev:ls elevation of the hood's sr,Nbbing of sediments, dissolved phosphorus, regulators. � dissolved metals, organics, and e�l and The cartridges are connected to the under- grease. In many casPs, a combination uf drain manifold with a plastic connector. media is rer,orr�mended to maxim�ze thc Since some media used is potentially ( efiectiveness of the stormwater pollutant buoyant, a threaded connector aKxed to the � removal. under-drain manifold (with glue or other adhesive) is necessary to ensure that the � carlridge isn't lifted ou! of place. For the � '� � � ' heavier compost media, a slip connector is ��i:( ;,: ' I�I!�1 used. I �, y �2, • The StormFilter is also equipped with flow , spreaders that lrap floating debris and " surface films, even during overflow � ' ' � �7'�� -. conditions. Depending on individual site �, . - . � - � `� characteristics, some systems are equipped Y'''�- with high andlor base flow bypasses. High , �� flow bypas:�es are installed when the `'� calculated peak storm even t genera tes a flow that overcomes the ove�low capacity of + Figure 1. Tho StormFilter Cartridge the system. T�tiis is especially important for precast systems. Base flow bypasses are sometimes irstalled to bypass continuous � P�iming System Function intlows caused by ground water seepage, When slormwater in the StormFilter unit which usually do not require treatment. All enters a StormFilter cartndge, it percolates StormFilter units are designed with an horizontally through the cartridge's filter overflow. The overflow operates when the ; media and collects in the center tube of the inflow rate is greater than the treatment cartridge, where lhe float in the cartrid�e is capdciry of the filter cartridges. 1 in a closed (downward) position. Water continues to pass through the filter media and into the cartridge's center tube. I The air in the ce�rtridge is displaced by the wster and purged from beneath the filter hood through the one-way check valve � located in the cap. Once :he center tube is filled with wafer (approximately 18 inches d�ep), there is enough buoyant force on the float to open ;he float valve and allow the � treated water �n the center tube to flow into the under-drain manifold. This causes the check valve to close, initiating a siphon that { draws polluted water throughout the full ' surface area and volume of the filter. Thus. I �-7^C?�;ONTCCH�torm�.vate�So�utions io�l-Iree °00 5a8 4GG7 2 of 9 :.rirv.^.;rnnatm�:�:�* Vau9,C'P ana Linoar Slom',fiRer Operalnn an;]M1lainterance Gmeeune!