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3 I P a e. e - FloGard"' Perk Filter System O& M Manual <br /> Maintenance Overview for FloGard®Perk Filter Systems <br /> State and Local regulations require that stormwater management systems be maintained and serviced <br /> on a recurring basis The purpose of maintaining a clean and obstruction free Perk Filter system is to <br /> ensure the system performs the intended function of the primary design Trash and debris, floatables, <br /> gross pollutants and sediment can build up in any stormwater system This can cause the system to <br /> function improperly by impeding flow in and out of the system and reducing the operating efficiency of the <br /> media filters. Downstream and upstream, areas could run the risk of flooding and deleterious <br /> environmental impact <br /> Recommended Frequency of Service <br /> It is recommended that FloGard®Perk Filter systems be serviced on a regularly occurring basis <br /> Ultimately the frequency depends on the amount of runoff, pollutant loading, and interference from trash, <br /> debris and gross pollutants as well as proper maintenance of upstream pretreatment devices However, <br /> it is recommended that each installation be inspected in accordance with the following guidelines: <br /> Level 1 Inspection Service—Six(6) months after unit is placed into service,or six(6) months after a <br /> Level 2 or Level 3 inspection <br /> Level 2 Inspection Service- Four(4) months after a Level 1 inspection or ten (10) months after a Level <br /> 3 service. <br /> Level 3 Service—As determined by findings from Level 2 inspection service reports indicating a media <br /> filter change or system repairs are required to maintain the operating efficiency of the system <br /> Service Procedures <br /> Inlet Bay <br /> 1. The inlet manhole cover(s) and or grate(s)shall be removed and placed to one side <br /> 2 For systems with a FloGard Plus Catch Basin Insert,the insert will be cleaned in accordance with <br /> the general specifications for maintenance of those devices After cleaning the filter shall be <br /> removed and set aside <br /> 3. Any debris will be removed from the inlet bay(s) and disposed of in accordance with local <br /> regulations <br /> 4 Check and clean the area behind and under the inlet weir/bypass assembly. Remove assembly <br /> as necessary to conduct inspection <br /> 5 Check drain down assembly and clean if necessary <br /> 6 Re-install catch basin insert filter <br /> 7 Re-install grate or manhole access cover <br /> Cartridge Bay <br /> I Remove and place to one side the manhole access covers above the cartridge bay <br /> 2 A Level 1 inspection service shall consist of a visual inspection from the surface level Observe <br /> and note the condition of the cartridge bay and the cartridges, measure sediment level, if any, <br /> and note on maintenance record Physical entry is not required unless the depth prevents the <br /> entire cartridge bay area from being observed <br /> KrlStar Enterprises.lnc <br /> • <br /> 360 Sutton Place <br /> Santa Rosa.CA 95407 <br /> 18001579.8819 <br /> vnaw.I;f Ist ar.ccint <br /> Page 18 of 19 <br />