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Storm Water Treatment Maintenance Plan <br /> 601 Marshall Street <br /> Redwood City, CA 94063 <br /> Project Address&Cross Streets: <br /> 601 Marshall Street (Cross Street: Middlefieldl <br /> Redwood Citv CA 94063 <br /> Assessor's Parcel No.: 052-347-030/040/040/140 <br /> Property Owner: 601 Marshall Street Owner LLC <br /> Phone No.: (650) 322-0777 - <br /> Designated Contact: Mollie Ricker <br /> Mailing Address: 145 Addison Avenue <br /> Palo Alto CA 94301 <br /> The property contains one (1)Bioretention Basin as described below and as shown in the attached <br /> site plan: <br /> ■ Bioretention Basin is located at the north side of the building. <br /> I. Routine Maintenance Activities <br /> The principal maintenance objectives are to ensure that water flows unimpeded into the flow-through <br /> planter and landscaping remains attractive in appearance. Table 1 shows the routine maintenance <br /> activities, and the frequency at which they will be conducted. In addition, <br /> Table 1 <br /> Routine Maintenance Activities for Bioretention Areas <br /> No. Maintenance Task Frequency of Task <br /> 1 Remove obstructions,debris and trash from bioretention area Mo��eventss needed after <br /> and dispose of properly. <br /> 2 Inspect bioretention area to ensure that it drains between s{orm eventss needed after <br /> storms and within five days after rainfall. <br /> 3 Inspect inlets for channels,soil exposure or other evidence of Monthly,or as needed after <br /> erosion.Clear obstructions and remove sediment. storm events <br /> 4 Remove and replace all dead and diseased vegetation. Twice a year <br /> 5 Maintain vegetation and the irrigation system. Prune and weed Before wet season begins,or as <br /> to keep bioretention area neat and orderly in appearance. needed � <br /> 6 Check that mulch is at appropriate depth(3 inches per soil Monthly <br /> specifications)and replenish as necessary before wet season <br /> begins. <br /> 7 Inspect bioretention area using the attached inspection eventsyand afterlaemova�of <br /> checklist. <br /> accumulated debris or material <br /> 11. Prohibitions <br /> The use of pesticides and quick release fertilizers shall be minimized, and the principles of integrated <br /> pest management(IPM)followed: . <br /> 1. Employ non-chemical controls(biological, physical and cultural controls) before using <br /> chemicals to treat a pest problem. <br /> ATTY/AGR/2016.121/601 MARSHALL STREET OWNER,LLC-STMMA <br />