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Inst 2018026871
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Inst 2018026871
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Last modified
2/20/2018 5:30:22 PM
Creation date
2/20/2018 5:29:20 PM
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CM City Clerk-City Council
Document Date (6)
2/2/2018
Recorded Document Type
Stormwater Treatment
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PERM
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Bioretention Area' Maintenance Plan for <br /> 2062 West 140'h Ave, San Leandro, Ca <br /> September 29. 2D17 <br /> Project Address and Cross Streets: West 14 01h Ave and 0'cks Blvd. <br /> Assessor's Parcel No.: 07713-0853-010 <br /> Property Owner: Terr*noVVest 140th LLC Phone No.: 415'855'4580 <br /> Designated Contact: Mike Murray Phone No.: 415-O55-45Q5 <br /> Mailing Address: <br /> The property contains one (1) bioretention area(s), located as described below and as shown in the <br /> 2 <br /> attached site plan <br /> Bioretenbon Area No. I is |000k*d at the above address to the west of the office pod on the northwest <br /> corner ofthe building. <br /> |. Routine Maintenance Activities The principal maintenance objective is to prevent sediment <br /> buildup and do0ging, which reduces pollutant removal efficiency and may lead tmbiorobandon area <br /> failure. Routine maintenance activities, and the frequency at which they will be conducted, are shown in <br /> Table 1. <br /> Table 1 <br /> Routine Maintenance Activities for Bioretention Areas <br /> No. Maintenance Task Frequencv of Task <br /> Remove obstructions, debris and trash from bioretention Monthly, or as needed after storm <br /> area and dispose of properly. events <br /> 2 Inspect bioretention area to ensure that it drains between Monthly, or as needed after storm <br /> storms and within five days after rainfall. events <br /> Inspect inlets for channels, soil exposure or other Monthly, or as needed after storm <br /> 3 evidence of erosion. Clear obstructions and remove events <br /> 4 Remove and replace all dead and diseased vegetation. Twice a year <br /> Maintain vegetation and the irrigation system. Prune and Before wet season begins, or as <br /> 5 weed to keep bioretention area neat and orderly in needed <br /> I appearance. <br /> Check that mulch is at appropriate depth (3 inches per <br /> 6 soil specifications) and replenish as necessary before Monthly <br /> wet season begins. <br /> Inspect bioretention area using the attached inspection Monthly, or after large storm events, <br /> 7 checklist. and after removal of accumulated <br /> I debris or material <br /> 'Biuret,ntion areas include linear treatment mcouocs designed for water»u Filter through biotreatment soils. A <br /> biorctcndun area that is unlined and has a raised underdruio in the undrr!yin4rock laver to promote infiltration, as <br /> shn�n in Section 6.l` may also 6ocuOedu''bioioG|tn4ion mna' `Auaohedsiz��|an mus�m�zbtb�sim p|an �xb�hi� m <br /> Maintenance Agreement. <br /> Page Revised 2/29/2016 <br />
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