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Manufactured Storm Water Treatment Measure Maintenance Plan for <br /> �nslow Street development <br /> 888 Hamilton Street �840 Middlefield Road <br /> Project Address 8�Cross Streets: <br /> 815 Hamilton Street& 840 Middlefield Road, <br /> Redwood City, CA 94063 <br /> Assessor's Parcei No.: 052-365-060, -080, -090. -100 <br /> Property Owner: Hamilton &Winslow Properties, LLC <br /> Phone No.: (650)364-4933 <br /> Designated Contact: Robert Dean <br /> Mailing Address: 2055 Woodside Road. Suite 2500 <br /> Redwrood City, CA 94061 <br /> The property contains two (2)treatment devices and one (1)cistern located as described below and <br /> as shown in the attached site plan: <br /> ■ Treatment Vautt is located within the lower level of the garage on Hamilton Street. <br /> ■ Detention Vault is also located within the lower level of the garage on Hamilton Street. <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 /> Routlne Malntenance Activlties for Treatmerrt Devices <br /> No. Maintenance Task Frequency of Task <br /> 1 Remove aocumulated sediment,litter,and debris from KriStar Media Filter Before wet season and as <br /> and dispose of properly. Confirm that no clogging will occur and that the necessary <br /> treatmer�t device will drain per design standards. <br /> 2 Inspect KriStar Perk Filter Cartidges to ensure that there are no dogs. Test Monthly during the wet season, <br /> with garden hose to confirm that the filters will drain per design standarcls. and as needed after storm <br /> events <br /> 3 Inspect podium drains,roof drains,and sheet flow from paved areas to Monthly during the wet season, <br /> ensure flow to KriStar Media Filters is unimpeded. Remove debris and repair and as needed after storm <br /> damaged pipes.Check splash btocks or rocks and repair,replace,and events <br /> replenish as necessary. <br /> 4 Inspect overtlow pipe to ensure that it will safely convey excess flows to Before the wet season,and as <br /> storm drain. Repair or replace any damaged or disconnected piping. necessary <br /> 5 Inspect KriStar Media Filter to ensure that manhole is structurally sound(no Mnually <br /> cracks or leaks).Repair as necessary. <br /> 6 Inspect KriStar Media Filter using the attached inspection checklist for Level Per manufacturers <br /> 1, Leve►2,and Level 3 inspections(see attached KriStar FloGard Perk Filter recommendations(attached) <br /> System O d�M Manual) <br /> 7 Remove aocumulated sediment,litter,and debris from KriStar Media Filter Before wet season and as <br /> and dispose of properly. Confirm that flow is directed to pump. necessary <br /> Page 1 <br /> ATTY/AGR.2015.226/Hamilton 8�Winslow Properties, LLC <br />