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l <br /> ( <br /> ( <br /> ( <br /> Maintenance Guidelines Two scheduiE�1 inspections/maintenance <br /> � activities should take place during the year. <br /> � The primary purpose of the StonnFilter is to First, an inspectionlminor maintenance <br /> filter out and prevent pollutants from activity shouid be done. During the minor <br /> ( entering our watenvays. 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 shouid be determined and, if <br /> ( SlormFilter to its full e�ciency and disposal during major maintenance will be <br /> � effectiveness. required, samples of the sediments a�d <br /> ( Maintenance requirements and frequency <br /> media should be obtained. <br /> � are dependent on lhe pollutant load Second, if required, a major maintenance <br /> characteristics of each site. activity (replacement of lhe filter cartridges <br /> ( and associated sediment removal) shouid <br /> , Maintenance aclivilies may be required in be per(ormed. <br /> lhe event of a chemical spili or due to <br /> excessive sediment loading irom site In addition lo 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 accumulat;on 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 two levels of maintenance: on the actual operating conditions <br /> � • Inspectionlminor maintenance encountered by the system. <br /> � • Major maintenance. In generai, 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 controliing timing of <br /> maintenance for lhe StormFiller is <br /> • Inspection of the vault itself sedimFntation. <br /> � • Removal of vegetation and <br /> trash and debris. <br /> � Major maintenance typically inclu ies: <br /> • Cartridge re�iacement <br /> • Sediment removal <br /> Important: Applicable safety (OSHA) and <br /> disposal regulations should be followed <br /> during all mainlenance activities. <br /> Maintenance Activity Timing <br /> i �02006 CONTECH Storm�vo�cr Solutions Tol4fmc:000.548.AG67 3 of 9 <br /> conte<h;lormwa�nrmm V:mtl,ClVandLmearSlarmFillerOperalionanAAlnlnlenanroGuitlelmes <br /> ( <br /> ( <br /> � <br />