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Media Filter Maintenance Plan <br />Date of Inspection:. <br />Property Address: 610 Walnut Treatment Measure No.: <br />Table 1 <br />Routine Maintenance Activities for Media Filters <br />No. Maintenance Task Frequency of Task <br />1 Inspect for standing water, sediment, trash, and debris. Yearly, and after major storm events <br />2 Remove sediment, trash, and debris from sedimentation basin, As Needed <br />riser pipe, and filter bed. Dispose of sediment, trash, and debris <br />properly. <br />3 <br />Ensure that media filter drains completely within five days, <br />After major storm events and as <br />needed. <br />4 <br />For manufactured media filter, follow manufacturer's guidelines <br />As per manufacturer's <br />for maintenance and cartridge replacement. <br />specifications. <br />5 <br />Inspect media filter using the attached inspection checklist. <br />Yearly, or after large storm events, <br />and after removal of accumulated <br />debris or material <br />II. Prohibitions <br />Trees and other large vegetation shall be prevented from growing adjacent to the media filter to <br />prevent damage. <br />III. Mosquito Abatement <br />M - <br />Standing water shall not remain in the treatment measures for more than five days, to <br />prevent mosquito generation. Should any mosquito issues arise, contact the San Mateo <br />County Mosquito Abatement District (SMCMAD), as needed for assistance. Mosquito <br />larvicides shall be applied only when absolutely necessary, as indicated by the SMCMAD, <br />and then only by a licensed professional or contractor. Contact information for SMCMAD is <br />provided below. <br />San Mateo County Mosquito Abatement District <br />1351 Rollins Road <br />Burlingame,CA 94010 <br />PH:(650) 344-8592 <br />FAX: (650) 344-3843 <br />Email: info@smcmad.org <br />IV. Inspections <br />The attached Media Filter Inspection and Maintenance Checklist shall be used to conduct <br />inspections yearly (or as needed), identify needed maintenance, and record maintenance <br />that is conducted. <br />Page 2 <br />ATTY/AGR.2020.075/Windy Hill PV Five CM, LLC (Page 18 of 21) <br />