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Stormwater36O Operation and Maintenance <br /> ACCINTECIfOrspny <br /> The Stormwater Through independent third party studies, it <br /> has been demonstrated that the StormFilter <br /> Management StormFilter® is highly effective for treatment of first flush <br /> flows and for treatment of flow-paced flows <br /> Vault, Cast-In-Place, and Linear Units during the latter part of a storm. In general, <br /> the StormFilter's efficiency is highest when <br /> pollutant concentrations are highest. The <br /> Important: These guidelines should be used primary non-point source pollutants targeted <br /> as a part of your site stormwater for removal by the StormFilter are: <br /> management plan. suspended solids (TSS), oil and grease, <br /> soluble metals, nutrients, organics, and <br /> Description trash and debris. <br /> The Stormwater Management StormFilter® Sizing <br /> (StormFilter) is a passive, flow-through, <br /> stormwater filtration system. The system is The StormFilter is sized to treat the peak <br /> comprised of one or more vaults that house flow of a water quality design storm. The <br /> rechargeable, media-filled, filter cartridges. peak flow is determined from calculations <br /> The StormFilter works by passing based on the contributing watershed <br /> stormwater through the media-filled hydrology and from a design storm <br /> cartridges, which trap particulates and magnitude set by the local stormwater <br /> adsorb materials such as dissolved metals management agency. The particular size of <br /> and hydrocarbons. Once filtered through the a StormFilter unit is determined by the <br /> media, the treated stormwater is directed to number of filter cartridges (see Figure 1) <br /> a collection pipe or discharged into an open required to treat this peak flow. <br /> channel drainage way. <br /> The flow rate through each filter cartridge is <br /> The StormFilter is offered in multiple adjustable, allowing control over the amount <br /> configurations, including vault, linear, catch of contact time between the influent and the <br /> basin, manhole, and cast-in-place. The filter media. The maximum flow rate <br /> vault, linear, manhole,. _and catch basin through each cartridge can be adjusted to <br /> models utilize pre-manufactured units to between 5 and 15 gpm using a calibrated <br /> ease the design and installation processes. restrictor disc at the base of each filter <br /> The cast-in-place units are customized for cartridge. Adjustments to the cartridge flow <br /> larger flows and may be either covered or rate will affect the number of cartridges <br /> uncovered underground units. required to treat the peak flow. <br /> Purpose Basic Function <br /> The StormFilter is a passive, flow-through, The StormFilter is designed to siphon <br /> stormwater filtration system designed to stormwater runoff through a filter cartridge <br /> improve the quality of stormwater runoff containing media. A variety of filter media is <br /> from the urban environment before it enters available and can be customized for each <br /> receiving waterways. It is intended to site to target and remove the desired levels <br /> function as a Best Management Practice of sediments, dissolved phosphorus, <br /> (BMP) to meet federal, state, and local dissolved metals, organics, and oil and <br /> requirements for treating runoff in grease. In many cases, a combination of <br /> compliance with the Clean Water Act. media is recommended to maximize the <br /> www.stormwater360.com Toll-free:800.548.4667 1 of 9 <br /> ©2005 Stormwater360 Vault,CIP and Linear StormFilter Operation and Maintenance Guidelines <br />