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Maintenance uidelines <br /> Maintenance procedures for typical catch Media may be removed from the filter <br /> basins can be applied to the CatchBasin cartridges using the vactor truck before the <br /> StormFilter(CBSF). The filter cartridges cartridges are removed from the catch basin <br /> contained in the CBSF are easily removed structure. Empty cartridges can be easily <br /> and replaced during maintenance activities removed from the catch basin structure by <br /> according to the following guidelines. hand. Empty cartridges should be <br /> reassembled and returned to CONTECH <br /> 1. Establish a safe working area as per Stormwater Solutions, as appropriate. <br /> typical catch basin service activity. <br /> Materials required include a lifting cap, <br /> 2. Remove steel grate and diamond plate vactor truck, and fresh filter cartridges. <br /> cover(weight 100 lbs. each). Contact CONTECH Stormwater Solutions <br /> for specifications and availability of the <br /> 3. Turn cartridge(s) counter-clockwise to lifting cap. The vactor truck must be <br /> disconnect from pipe manifold. equipped with a hose capable of reaching <br /> areas of restricted clearance. The owner <br /> 4. Remove 4" center cap from cartridge may refresh spent cartridges. Refreshed <br /> and replace with lifting cap. cartridges are also available from <br /> CONTECH Stormwater Solutions on an <br /> 5. Remove cartridge(s)from catch basin exchange basis. Contact the maintenance <br /> by hand or with vactor truck boom. department of CONTECH Stormwater <br /> Solutions at(503)240-3393 for more <br /> 6. Remove accumulated sediment via information. <br /> vactor truck (min. clearance 13" x 24"). <br /> Maintenance is estimated at 26 minutes of <br /> 7. Remove accumulated sediment from site time. For units with more than one <br /> cartridge bay. cartridge, add approximately 5 minutes for <br /> (min. clearance 9.25" x 11") each additional cartridge. Add travel time <br /> as required. <br /> 8. Rinse interior of both bays and vactor <br /> remaining water and sediment. <br /> 9. Install fresh cartridge(s)threading <br /> clockwise to pipe manifold. <br /> 10. Replace cover and grate. <br /> 11. Return original cartridges to <br /> CONTECH Stormwater <br /> Solutions for cleaning and <br /> media disposal. <br /> ©2006 CONTECH Stormwater Solutions Toll-free:800.548.4667 2 of 3 <br /> contechstormwater.com CatchBasin StormFilter Operation and Maintenance Guidelines <br />