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Treatment Area <br /> Maintenance Plan for 2580 EI Camino Real <br /> May 29, 2012 <br /> Project Address&Crass Streets: 2580 EI Camino <br /> at Narthumberland. Redwood City. CA <br /> Assessor's Parcel No.: 052-326-'100 <br /> Properly Owner: Urban Housinq Grouq <br /> Phone No.: (650)493-4040 - <br /> Designafed Contact: Janathan Fearn <br /> Mailing Address:777 S. Califomia Avenue <br /> Pa(o Alto CA 94304 <br /> The property contains two (2)#reatment areas located as described below and as shown in the <br /> attached si�e plan: <br /> ■ Treatment Area #9 is located in the fire access drive to the northwest of the building <br /> (front) <br /> ■ Treatrnent Area #2 is located in the fire access drive to the northwest of the building <br /> (�ear) <br /> 1. Rou#ine Maintenance Activities <br /> The principal rnaintenance objectives are to ensure that water flows unimpeded �nto the flow-through <br /> planter and landscaping remains attractive in appearance. Table 1 shows the roufine maintenance <br /> activities,and the frequency at which they will be conducfed. In addition, <br /> Tab1e 1 <br /> Routine Maintenance ActivitIes for Treatment Area <br /> No. Malntenance 7ask Frequency of Task <br /> 1 Remove accumulated sediment,I"�ter and debris from Treatment Area and Before wet season and as <br /> dispose of properly. Confirm that no dogging will accur and that the turt necessary <br /> blodc will drain per design standards. <br /> 2 Inspect 7reatment Area to ensure that there are no clogs. Test with garden Monthly during the wet season, <br /> hose to confirm that the fiEter will cirain per design standards. and as needed after storm <br /> events <br /> 3 Inspect downspoufs from rooftops and sheet flow from paved areas to Monthly during the wet season, <br /> ensure flow to Treatment Area is unimpeded. R�rnove debris and repair and as needed after storm <br /> damaged plpes. Check splash blocks or rocks and repair,replaoe and events <br /> replenish as necessary. <br /> 4 Inspect overflow pipe to ensure that it wiE]safely convey excess flows to Before the wet season,and as <br /> storm drain. Repair or replaoe any damaged or disconneeted piping. necessary <br /> 5 (nspect Treatment Area to ensure that furf bfocks are structurally sound(no Annually <br /> cracks or leaks). Repair as necessary. <br /> 6 Clean subdraln pipes to ensure that no clogs exist. Annually <br /> 7 Storm drain pumps for treatment and discharge foflows will be maintained to On-going <br /> prevent failure. Inoperabte pumps must be repaired or repEaoed <br /> immed'tately. <br /> Page 1 <br />