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• MBPL Flow Through Planter Pond TCM -15 is located along the South of the Broadway Plaza <br />site North of Bay Road. <br />• MBPL Flow Through Planter Pond TCM -16 is located along the South West of the Broadway <br />Plaza site North of Bay Road. <br />MBPL Flow Through Planter Pond TCM -17 is located along the South West of the Broadway <br />Plaza site East of Chestnut Street. <br />• MBPL Flow Through Planter Pond TCM -18 is located along the South West of the Broadway <br />Plaza site East of Chestnut Street. <br />I. Routine Maintenance Activities <br />The principal maintenance objective is to prevent sediment buildup and clogging, which <br />reduces pollutant removal efficiency and may lead to bioretention area failure. Routine <br />maintenance activities, and the frequency at which they will be conducted, are shown in <br />Table 1. <br />No. <br />Table 1 <br />Routine Maintenance Activities for Flow -Through Planters <br />Maintenance Task <br />Frequency of Task <br />❑ Prune and weed excess vegetation to maintain Monthly <br />conveyance/infiltration capacity. <br />❑ Remove litter, debris, and accumulated sediment; dispose <br />of it properly. <br />❑ Till or replace soil (using biotreatment soil mix specified in <br />Appendix K) as necessary to maintain the design elevation <br />❑ of soil. <br />3 ❑ <br />Remove and replace all dead and diseased vegetation <br />(replace plants in kind, or per Appendix B plant list). <br />Inspect flow-through planter using the attached inspection <br />checklist. <br />Before wet season (August <br />or <br />September); <br />After wet season (May) <br />Before wet season (inspect <br />in <br />August make all corrections <br />by September 30), and <br />After wet season (May), and <br />Monthly during wet season <br />_ (October through April) <br />II. Prohibitions <br />The use of pesticides and quick release fertilizers is strongly discouraged. For the purposes of <br />stormwater treatment measure maintenance and function, it is anticipated that non -chemical <br />controls (i.e., biological, physical, and cultural controls) will be adequate to address any pest <br />problems. Proper and timely maintenance, as described in this plan, should serve to reduce the <br />potential for pest establishment. <br />To avoid the need for pesticides or quick release fertilizers, follow the principles of integrated pest <br />management (IPM): <br />1. Employ non -chemical controls (biological, physical and cultural controls) before using <br />chemicals to treat a pest problem. <br />2. Prune plants properly and at the appropriate time of year. <br />REV: 4-12-2023 SK <br />ATTY/AGR.2023.072/SI XX, LLC (Broadway Plaza STMMA) (Page 36 of 55) <br />Page 2 of 19 <br />