3003 W CASINO RD BLDG 40-YD 2019-11-27

"''•►`I' MIN/ = Operation and Maintenance STORMWATER `'''~. TIONS Catch Basin StormFilter from an inlet pipe discharging directly to the unit vault. The inlet chamber is equipped with an internal baffle, which traps debris Important: These guidelines should be used and floating oil and grease, and an overflow as a part of your site storm water plan. weir. While in the inlet chamber, heavier solids are allowed to settle into the deep sump, while lighter solids and soluble Overview pollutants are directed under the baffle and The CatchBasin StormFilterTM (CBSF) into the cartridge chamber through a port consists of a multi-chamber steel, concrete, between the baffle and the overflow weir. or plastic catch basin unit that can contain Once in the cartridge chamber, polluted up to four StormFilter cartridges. The steel water ponds and percolates horizontally CBSF is offered both as a standard and as through the media in the filter cartridges. a deep unit. Treated water collects in the cartridge's center tube from where it is directed by an The CBSF is installed flush with the finished under-drain manifold to the outlet pipe on grade and is applicable for both constrained the downstream side of the overflow weir lot and retrofit applications. It can also be and discharged. fitted with an inlet pipe for roof leaders or similar applications. When flows into the CBSF exceed the water quality design value, excess water spills The CBSF unit treats peak water quality over the overflow weir, bypassing the design flows up to 0.13 cfs, coupled with an cartridge bay, and discharges to the outlet internal weir overflow capacity of 1.0 cfs for pipe. the standard unit, and 1.8 cfs for the deep steel and concrete units. Plastic units have Applications an internal weir overflow capacity of 0.5 cfs. The CBSF is particularly useful where small flows are being treated or for sites that are Design Operation flat and have little available hydraulic head The CBSF is installed as the primary to spare. The unit is ideal for applications in receiver of runoff, similar to a standard, which standard catch basins are to be used. grated catch basin. The steel and concrete Both water quality and catchment issues CBSF units have an H-20 rated, traffic- can be resolved with the use of the CBSF. bearing lid that allows the filter to be installed in parking lots, and for all practical purposes, takes up no land area. Plastic Retro Fit units can be used in landscaped areas and for other non-traffic-bearing applications. The retrofit market has many possible applications for the CBSF. The CBSF The CBSF consists of a sumped inlet can be installed by replacing an existing chamber and a cartridge chamber(s). catch basin without having to"chase the Runoff enters the sumped inlet chamber grade," thus reducing the high cost of re- either by sheet flow from a paved surface or piping the storm system. ©2006 CONTECH Stormwater Solutions Toll-free:800.548.4667 1 of 3 contechstormwater.com CatchBasin StormFilter Operation and Maintenance Guidelines