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EXHIBtT C <br /> Bioretentiun Area� Maintenanc8 Plan for <br /> l.a Paima 5ubdivision <br /> 1-2�-15 <br /> ��: I II "°q�ll�,�A�� Project Addr�ss and Cross�tr�ets: �a Palma <br /> 5� ,,3�:��':�: <br /> ;..: . <br /> ` � SubdivEsion Kentfield Ave. Redw�od City, CA <br /> ����, � Assesso�'s Parcel No,: 059-072-230.240.250 <br /> Pro�rty Owner: La Paima Developmen#, LL.0 <br /> Phone No.: <br /> t?�signated Cor�tact: Steve Sarav <br /> Phone No.: (408�680-3880 <br /> Bioreter�tfan ar�as funcGion as soil snd pfsnf- M�iling Address:163�4akl�nd Rt�gd#A215 <br /> based�/traSon�evices th�t�mo ye poliutants <br /> through s v�trety af phys�l,bialogir.al,and �an J058 CA <br /> ct►emica�treatment processes. These facilitres <br /> nom�ally consist of a gn3ss buffer strip,sand bed, <br /> pondfng art4a, organic layer or mulch layer, <br /> planHng soil,and plants. <br /> The property contairts 4 bio-retentian area(s), Ipcated as described belaw and as shown in <br /> the attached site plan2. <br /> ■ Bio-cetention Area No. 1 is lacated in parcel A, near lat 6. <br /> ■ Biaretantion Area No.2 is located in pare;el A,near lat 11. <br /> ■ Bi�-reten#ian area No. 3 Es located in p�rc�I A,near lot 9. <br /> ■ Bio-retention Area No.4 is Ic�cated in lot 8. <br /> f. Routine Matntenance Activities <br /> The principal matntenancie abjective is fo prevent sediment buildup and clogging, which <br /> reduces pollutant remc�val effiCiency and may lead t� bioretentipn area failure, Routine <br /> main#enance activities, and the frequency at which th�y wilt be canducted, are shown in <br /> Table 1. <br /> Table 1 <br /> Rautine Mainterranae Activ�es far Bloreten�on Areas <br /> No. Main�nance Task Frequanay ofTask <br /> 1 F#emove abstn+cGons,debris and trash from bioretention Morrthly,or as needed after starm <br /> area and dispose of properly. events <br /> 2 tnspect biaretentian area ta ensure that ft drains beiwesn Monthly,or as nseded after storrn <br /> storms and within five days affer rainfall. events <br /> 3 Inspect inlets for channels,soil exposure ar o#her Monthly,or as needed afker s#arm <br /> �vidence of srasion.Clear obstructions and remave events <br /> ssdiment. <br /> 4 Remove and teplace all dead and di5eased vege#ation. Twice a year <br /> 5 Maintain vegetation and tha irrigatron system.Pn�r�e and Before wet season 4egins,or as <br /> w�ed to keep biaretentian area neat and orde�lyin needed <br /> appearance. <br /> `Bioretentian areas include linear treatmeat measures designeil to.filter water through.biotreatrnent soils.A bioretentia�. <br /> area that has no waterproof iiner beneath it and'has a raised underdtain in t�e underlyi.ng roc�layer to prorr�ote <br /> infittration,as shawn;in Section 6.t of the C:3 Technica2 Guida�ace,r�y alsa be csilcdi a"bioinfilh-ation azea". <br /> 2 Attached site plan must match tt�e si:te plan exh.ibit to Maintenance A.gre�.ment. <br /> Paga 1 Revised 11f30/11 <br /> c:r.a..,�.�t.,,.�u�.;awr�sr.rcar.�. �.o:ww.d.•�.,mn.wn+u��a�s-i.e.im..sw�nest�rtaw:.w:�..�,��F:;murr.•r.��. <br /> �T�A��1��E5.151/La Palma <br />