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i <br /> ( w�����rr�ewu� <br /> �i�j►�`.`!� i ��r! <br /> Operation and Maint�nance <br /> � SfORMWATER <br /> � � '.�OLUl'IONS_ <br /> � <br /> I The Stormwater requ rements for treating runotf in <br /> com��liance with the Clean Water Act. <br /> I 1111anagement �tormFilter�' <br /> Throrgh independent third party studies, it <br /> Vault, Cast-In-P(ace, and Linear Unifs has been demonstrated that the StormFilter <br /> is hiqhly eKective for treatment of first flush <br /> I flow: and for treatment of flow-paced flows <br /> lmportanf: These guidelines sliould 6e used durir�g the latter part o( a storm. In general, <br /> as a part o/your site sfarrnwaler the StormFilter's eKcienCy is hlyhesl when <br /> I managemenr plan. poilutant concentrations are highest. The <br /> prima�y non-point source pollutants targeted <br /> DBsc�iption for removal by th a StormFilter are: <br /> I The Stormwater Management StormFilter0 suspended solids (TSS), oil and grease, <br /> (StormFilter) is a passive, ilow-throuqh, soluble metals, n��trients, organics, and <br /> stormwater filtration system. The system is <br /> trash and debris. <br /> I comprised of one or more vaults that house Sizing <br /> rechargeable, media-filled, filter cartridg�s. <br /> The StormFilter works by passing The StormFilter is sized to treat the peak <br /> stormwater through the media-filled flow of a water quality design storm. The <br /> I cartridc�es, which trap partic�lates and peak flow is determined fr�m calculations <br /> adsorb materials such as dissolved metals haseo on the contributing watershed <br /> and hydrocarbons. Once fi!cered through the hydrology and from a design storm <br /> � rnedia, ihe treated stormwater is directed to magnitude set by the local stormwater <br /> � a collection pipe or discharged into an oper� management agency. The p3rticular size of <br /> c�iannel drainage way. a StormFilter unit is determined by the <br /> � rn�mber o( filter cartridges (see Figure 11 <br /> � The StormFilter is offered in multipie required to treat this peak(low. <br /> configurations, including vault, linear, catch <br /> basin, manhole, and cast-in-pl2ce. The The flow rate through each filter cartridge is <br /> I vault, linear, manhoie, and catch basin ad;ustabie, allowing control over the amount <br /> modals utilize pre-manufactured units to of contact time between the influent and the <br /> aase the design and installalion prccesses. filter media. The ma:imum flow rate <br /> + The cast-in-place units are customized for through each cartridge can be adjusted to <br /> I larger flows and may be either covered or 5etween 5 and 15 gpm using a calibrated <br /> uncovered underground �!nits. restrictor disc at th? base of each filter <br /> , cartridge. Adjustments to the cartridge flow <br /> � Purpose rate w�ll affect the number of cartridges <br /> The StormFilter is a passive, flow-ihrough. <br /> required to treat the peak flow. <br /> stormwater filtration system desigr.ed to <br /> � improve the quality o( stormwater runoff <br /> from the urban environment before it enters <br /> 1 receiving waterways. It is intended to <br /> f��nction as a Best Management Practice <br /> (BMP1 to meet federai, state, 2nd local <br /> � _'20CfiCONiECHStormwaterSclWions Toll-lree800.549<66i -- � �t9 <br /> � mmems�ormH:+ter�c� `/ault,Lif ana Lnear Sm�nFJler O,^,e�anan anE M1la��iewnce Gmaeiioef <br />