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Bioretention Area Maintenance Plan Date of Inspection: <br />Property Address: 3247 Oak Knoll Drive Treatment Measure No.: 1 <br />Table 1 <br />Routine Maintenance Activities for Bloretentlon Areas <br />5 1 Maintain vegetation and the irrigation system. Prune and weed Before wet season begins, oras needed <br />to keep Bioretention area neat and orderly in appearance. <br />Inspect and, if needed, add mulch before the wet season Before wet season begins, or as needed <br />begins. It is recommended that composted arbor mulch be <br />applied once a year to maintain a 3" depth of mulch over <br />all bare soil areas except within six inches of tree trunks. <br />Inspect Bioretention area using the attached inspection <br />checklist. <br />II. Prohibitions <br />Monthly, or after large storm events, <br />and after removal of accumulated <br />debris or material <br />Do not use pesticides or other chemical applications to treat diseased plants, control weeds or removed <br />unwanted growth. Employ non -chemical controls (biological, physical and cultural controls) to treat a <br />pest problem. Prune plants properly and at the appropriate time of year. Provide adequate irrigation for <br />landscape plants. Do not over water. <br />III. Mosquito Abatement <br />Standing water should not remain in the treatment measures for more than five days, to prevent mosquito <br />generation. Should any mosquito issues arise, contact the San Mateo County Mosquito Abatement District <br />(SMCMAD), as needed for assistance. Mosquito larvicides should be applied only when absolutely <br />necessary, as indicated by the SMCMAD, and then only by a licensed professional or contractor. Contact <br />information for SMCMAD is 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.o <br />IV. Inspections <br />The attached Bioretention Area Inspection and Maintenance Checklist should be used to conduct <br />inspections monthly (or as needed), identify needed maintenance, and record maintenance that is <br />conducted. <br />Page 2 <br />Bioretention area O&M Template <br />ATTY/AGR.2022.060/Timothy Regan (Page 16 of 23) <br />