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• Two scheduled inspections /maintenance <br /> Maintenance Guidelines activities should take place during the year. <br /> The primary purpose of the StormFilter is to First, an inspection /minor maintenance <br /> filter out and prevent pollutants from activity should be done. During the minor <br /> entering our waterways. Like any effective maintenance activity (routine inspection, <br /> filtration system, periodically these debris removal), the need for major <br /> pollutants must be removed to restore the maintenance should be determined and, if <br /> StormFilter to its full efficiency and disposal during major maintenance will be <br /> effectiveness. required, samples of the sediments and <br /> media should be obtained. <br /> Maintenance requirements and frequency <br /> are dependent on the pollutant load Second, if required, a major maintenance <br /> characteristics of each site. activity (replacement of the filter cartridges <br /> and associated sediment removal) should <br /> Maintenance activities may be required in be performed. <br /> the event of a chemical spill or due to <br /> excessive sediment loading from site In addition to these two scheduled activities, <br /> erosion or extreme storms. It is also good it is important to check the condition of the <br /> practice to inspect the system after severe StormFilter unit after major storms for <br /> storm events. damage caused by high flows and for high <br /> sediment accumulation that may be caused <br /> Types of Maintenance by localized erosion in the drainage area. It <br /> may be necessary to adjust the <br /> Presently, procedures have been developed maintenance activity schedule depending <br /> for Iwo levels of maintenance: on the actual operating conditions <br /> • Inspection /minor maintenance encountered by the system. <br /> • Major maintenance. In general, minor maintenance activities will <br /> occur late in the rainy season, and major <br /> Inspection /minor maintenance activities are maintenance will occur in late summer to <br /> combined since minor maintenance does early fall when flows into the system are not <br /> not require special equipment and typically likely to be present. <br /> little or no materials are in need of disposal. <br /> Maintenance Activity Frequency <br /> Inspection /minor maintenance typically <br /> involves: The primary factor controlling timing of <br /> maintenance for the StormFilter is <br /> • Inspection of the vault itself sedimentation. <br /> • Removal of vegetation and <br /> trash and debris. <br /> Major maintenance typically includes: <br /> • • Cartridge replacement <br /> • Sediment removal <br /> Important: Applicable safety (OSHA) and <br /> disposal regulations should be followed <br /> during all maintenance activities. <br /> Maintenance Activity Timing <br /> C2006 CONTECH Stormwater Solutions Toll -free: 800.548.4667 <br /> 3 of 9 <br /> contechstormwater.com Vatdt, CIP and Linear Storm Filter Operation and Maintenance Guidelines <br />