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1 � <br /> � � <br /> ` ' MAINTENANCE GUID'ELINES � <br /> ( �'T{iRMirIfJ4T�#' <br /> IHANptlEMBN'T /NG . <br /> I <br /> � ' Maintenance Guideiines Important: Applicable safety (OSHA) and <br /> The primary purpose of the StormFilter is to disposal regulations should be (ollowed <br /> , filter out and prevent pollutants from during all maintenance:�ctivities. <br /> � entering our waterways. Like any effective MaintenanCe ACtiv(ty Timing <br /> filtration system, periodicailv these <br /> pollutants must be removed to resiore the Two scheduled inspectionslmaintenance <br /> StormFilter to its fuli efficiency and activities should take place during the year. <br /> � effecNveness. <br /> I First, an inspectionlminor maintenance <br /> Alaintenance requirements and frequency activity should be done. During the minor <br /> are dependent on the pollutant load mainlenanr.e activity (routine inspection, <br /> � characteristics of each site. debris rn�noval), the need for major <br /> maintenance should be determined and, if <br /> Maintenance activities may be required in disposal during major maintenance will be <br /> ! lhe event of a chemical spill or due to �equired, samples oi the sediments and <br /> excessive sediment Icading from site media should be obtained. <br /> erosion or extreme storms. il is also good Second, if required, a maJor maintenance <br /> practice to inspecl the system after severe activity (replacement of the (ilter cartridges <br /> st�rm events. and associated sediment removal) should <br /> be performed. <br /> Types of Maintenance <br /> . Presen0y, procedures have been devetoped ��� addition to these two scheduled actfvities, <br /> it is important to check the condition of the <br /> for two levels ot maintenancc: StormPilter unit after major storms for <br /> ' • Inspection/minor maintenance damage caused by high Flows and for high <br /> sediment accumulation tha'. may be caused <br /> • Major maintenance. by localized erosion in lhe drainage area. It <br /> may be necessary to adjust the <br /> i Inspection/minor maintenance activities are maintenance activity schedule depending <br /> combined since minor maintenance does on the actual operating conditions <br /> not require special equipment and rypically encountered by the system. <br /> I little or no materials are in need of disposal. <br /> Inspection/minor maintenance rypically In general, minor maintenance act:vities will <br /> involves: occur late in the rainy season, and major <br /> , maintenance wili occur in late summer lo <br /> • Inspec(ion ot the vauU.ilsel( early fall when Oows into the system are not <br /> Iikeiy to be presenl. <br /> • Removal of vegetation and <br /> trash and debris. Maintenance Activity Frequency <br /> Major maintenance typically includes: The primary factor controlling timing of <br /> • Cartridge replacement maintenance (or the StormFilter is <br /> sedimentation. <br /> • Sediment removal <br /> Slormwater Msnac�ement, Inc.C�2004 StormFilter Operatfon and�daintanance Guidelines 3 of 9 -. <br />