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6.A. - Page 11 of 13 <br />REVISED EXHIBIT C <br />Redwood City 137 <br />1305 EI Camino Real <br />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 Treatment Devices <br />li <br />Maintenance Task <br />Frequency of Task <br />1 <br />Remove accumulated sediment, litter, and debris from KriStar Media Filter and <br />Before wet season and as <br />dispose of properly. Confirm that no clogging will occur and that the treatment <br />necessary <br />device will drain per design standards. <br />2 <br />Inspect KriStar Perk Filter Cartridges to ensure that there are no clogs. Test with <br />Monthly during the wet season, <br />garden hose to confirm that the filters will drain per design standards. <br />and as needed after storm events <br />3 <br />Inspect pod ium drains, roof drains, and sheet flow from paved areas to ensure <br />Monthly during the wet season, <br />flow to KriStar Media Filters is unimpeded. Remove debris and repair damaged <br />and as needed after storm events <br />pipes. Check splash blocks or rocks and repair, replace, and replenish as <br />necessary. <br />4 <br />Inspect overflow pipe to ensure that it will safely convey excess flows to storm <br />Before the wet season, and as <br />drain. Repair or replace any damaged or disconnected piping. <br />necessary <br />5 <br />Inspect I(riStar Media Filter to ensure that manhole is structurally sound (no <br />Annually <br />cracks or leaks). Repair as necessary. <br />6 <br />Inspect KriStar Media Filter using the attached inspection checklist for Level 1, <br />Per manufacturer's <br />Level 2, and Level 3 inspections (see attached KriStar FloGard Perk Filter System <br />recommendations (attached) <br />O & M Manual) <br />7 <br />Remove accumulated sediment, litter, and debris from KriStar Media Filter and <br />Before wet season and as <br />dispose of properiy. Confirm that flow is directed to pump. <br />necessary <br />8 <br />Storm drain pumps for treatment and discharge follows will be maintained to <br />On-going <br />prevent failure. Inoperable pumps must be repaired or replaced immediately. <br />Page 2 <br />Page 8 of 10 <br />REV: 09-28-18 PR <br />ATTYIAGR.Amend No_11RWC ECR Venture, LLC - STMMA 1 st Amendment 17 <br />