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6.1.J. - Page 43 <br /> Treatment Area <br /> Maintenance Plan for 258U E{ Camino Rea[ <br /> May 29, 2012 <br /> Prajec#Address &Crass Streets: 2580 EI Camino <br /> at Nor�humberiand. Redwood City, CA <br /> Assessor's Parcel Na.: 052-326�`i00 <br /> Property Owner: Urban Housinq Group <br /> Phon� No.: (650}�493��40�4� <br /> Desigrtafed Contact: Jor�athan Fearn <br /> Mailir�g Address: 777 S, California A�enue <br /> Palo Alto, CA 943Q4 <br /> The property contains two {2)treatment ar�as located as described below and as shown in the <br /> attached sife plan: <br /> ■ Treatment Area #7 is located in the fire aecess dri�� to the northwest afi t�e building <br /> (fron#) <br /> � Treatment Area #2 is located ir� the fire access drive to the northwest of the building <br /> (rear} <br /> 1. Routine Maintenar�ce Activities <br /> The principal �-naintenance objecti�es are to er�sure t�at water flows unimpeded into the flow-through <br /> planter and landscaping remains attractive ir� appearance. Table 1 shows the roufine main#enance <br /> acti�ities, and the frequency at which they wil! be canducted. In additior�, <br /> Table 1 <br /> Routine Mainte�ance Activities far Treatment Area <br /> Na. Maintenance Task Erequency af Taslc <br /> 1 Remo�e aocumulated sedimer�t, litter and debris frorn Treafrnent farea and Before we�season and as <br /> dis�ase of properly. Confrm that no clogging wi[I accur artd that the turf ne�essary <br /> block wrilE drain per design star�ards. <br /> 2 Inspect Treatrnenf Area to ensure that there are no clogs. Test with garden MontF�ly during th�wet season, <br /> hose to confirm that the�ilter will drain per design standards. and as needed after storm <br /> e�ents <br /> 3 Insp�ct downspouts from rooftops and sheet flow from paved areas to Monthly during the wet season, <br /> ensure f�ow ta Treatment Area is ur�impeded. Re�rr�ove debris and repair and as needed after storm <br /> da�naged pipes. Check splash blocks or rocks and repair, replace and events <br /> replenfsh as necessary. <br /> 4 I�spect o�erflow pipe to ensure that it wi{I safely convey excess flows to Sefora the wet seasan,and as <br /> sforrr�drain. Repair or replace any darnaged or disconnected piping. r�ecessary <br /> 5 Inspect Treatmer�t Area to ensure that turf bfocks are structurally sound(no Annually <br /> cracks or leaks). Repair as necessary. <br /> 6 Clean subdrain pipes to ensure that no clogs exist. Ar�nually <br /> 7 Storm drain pumps for freatmer�t and discharge foflows wi[I be maintained to On-going <br /> prevent fai[ure. Inoperable pumps must be repaired or replaced <br /> immediately. <br /> Page 1 <br />