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11. Using the boom, crane, or tripod, lower <br />and install the new cartridges. Once <br />again, take care not to damage <br />connections. <br />12. Close and fasten t� � door. <br />13. Remove safety equipment. <br />14. Make notes about the �ocal dra:nage <br />area relative to ongoing construction, <br />erosion problems, or high loadings of <br />other materials to the system. <br />15. Finally, dispose of the residual materials <br />in accordance with applicable <br />regulations. Make arrangements to <br />return the used cartridges to Stormwater <br />Management, Inc. <br />Related Maintenance Activities <br />(Performed on an as-needed basis) <br />StormFilter units are often just one of many <br />components in a more comprehensive <br />stormwater drainage and treatment system. <br />The entire system may include catch <br />basins, detention vaults, sedimentation <br />vaults and manholes, detention/retention <br />ponds, swales, artificial wetlands, and other <br />miscellaneous components. <br />in order for maintenance of the StormFilter <br />to be successful, it is imperative that all <br />other components be properly maintained. <br />The maintenancelrepair of upstream <br />facilities should be carried out prior to <br />StormFilter maintenance activities. <br />In addition to considering upst�eam <br />facilities, it is also important to correct any <br />problerr�s identified in the drainage area. <br />Drainage area concerns may include: <br />erosion problems, heavy oil and grease <br />loading, and dischar�es of inappropriate <br />material�. <br />Material Disposal <br />The accumulated sediment found in <br />stormwater treatment and conveyance <br />systems must be handled and disposed of <br />in a manner that will not allow the material <br />to affect surface or ground water. It is <br />possible for sediments to contain <br />measurable concentrations of heavy metals <br />and organic chemicals (such as pesticides <br />and petroleum products). Areas with the <br />greatest potential for high pollutant loading <br />include industrial areas and heavily traveled <br />roads. <br />Sediments and water must be disposed of <br />in accordance with all applicable waste <br />dis�osal regulations. It is not appropriate to <br />discharge untreated materials back to the <br />stormwate� drainage system. <br />Part of arranging for maintenance to occur <br />should include coordination of disposal of <br />solids (landfill coordination) and liquids <br />(municipal vacuum truck decant facility, <br />locai wastewater treatment plant, on-site <br />treatment and discharge). <br />Owners should contact the local public <br />works department and inquire about how <br />the department disposes of their street <br />waste residuals. Stormwater Management <br />Inc will determine disposal methods or <br />reuse of the media contained in the <br />cartridges. If the material has been <br />contaminated with any unusual substance, <br />the cost of special handling and disposal <br />will be the responsibility of the owner. <br />Stormwater Management, Inc. G2004 SrormFiiter Opxation and Maintenance Guidelines ' of 9 3b <br />