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16 <br /> 8. Remove accumulated sediment from the floor of the Material Disposal <br /> vault and from the forebay.This can most effectively be The accumulated sediment found in stormwater treatment <br /> accomplished by use of a vacuum truck. and conveyance systems must be handled and disposed of in <br /> 9. Once the sediments are removed, assess the condition of the accordance with regulatory protocols. It is possible for sediments <br /> vault and the condition of the connectors. to contain measurable concentrations of heavy metals and <br /> 10.Using the vacuum truck boom, crane, or tripod, lower and organic chemicals(such as pesticides and petroleum products). <br /> install the new cartridges. Once again,take care not to Areas with the greatest potential for high pollutant loading <br /> damage connections. include industrial areas and heavily traveled roads. <br /> 11.Close and fasten the door. Sediments and water must be disposed of in accordance with <br /> 12.Remove safety equipment. all applicable waste disposal regulations.When scheduling <br /> 13.Finally, dispose of the accumulated materials in accordance maintenance, consideration must be made for the disposal of <br /> with applicable regulations. Make arrangements to return the solid and liquid wastes.This typically requires coordination with <br /> used emote cartridges to Contech Engineered Solutions. a local landfill for solid waste disposal. For liquid waste disposal <br /> a number of options are available including a municipal vacuum <br /> truck decant facility, local waste water treatment plant or on-site <br /> treatment and discharge. <br /> Related Maintenance Activities - <br /> Performed on an as-needed basis <br /> StormFilter units are often just one of many structures in a more <br /> comprehensive stormwater drainage and treatment system. <br /> In order for maintenance of the StormFilter to be successful, it <br /> is imperative that all other components be properly maintained. <br /> The maintenance/repair of upstream facilities should be carried <br /> out prior to StormFilter maintenance activities. <br /> In addition to considering upstream facilities, it is also important <br /> to correct any problems identified in the drainage area. Drainage <br /> area concerns may include: erosion problems, heavy oil loading, <br /> and discharges of inappropriate materials. <br /> s - <br />