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Infiltration Trench Maintenance Plan Date of Inspection: <br />Property Address: 430 Hillcrest Drive, Redwood City, CA 94062 Treatment Measure No.: <br />J 9 I Inspect infiltration trench using the attached inspection I Monthly, or after large storm events, and after 1 <br />fchecklist. removal of accumulated debris or material <br />II. Prohibitions <br />Trees and other large vegetation shall be prevented from growing adjacent to the trench to prevent <br />damage. <br />III. Mosquito Abatement <br />Standing water shall 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 shall be applied only when absolutely necessary, <br />as indicated by the SMCMAD, and then only by a licensed professional or contractor. Contact information for <br />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.or <br />IV. Inspections <br />The attached Infiltration Trench Inspection and Maintenance Checklist shall be used to conduct <br />inspections monthly (or as needed), identify needed maintenance, and record maintenance that is <br />conducted. <br />Page 2 <br />ATTY/AGR.2024.082/Weibin Chen and Si Min Dong (430 Hillcrest Dr) (Page 13 of 17) <br />