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Bioretention Area Maintenance Plan for <br />Heritage Baptist Church <br />Assessor's Parcel No.: 0778-0855-012-01 <br />Property Owner: Heritage Baptist Church Phone No.: 510-357-7023 <br />Designated Contact: Alan Fong Phone No.: 510-357-7023 <br />Mailing Address: 2960 Merced Street, Sa·n Leandro, CA 94577 <br />The property contains two (2) bio-retention area(s), located as described below and as shown in <br />the attached site plan 11 . <br />• . Bio-retention Area No. 1 is located at East side of the parcel <br />• Bio-retention Area No. 2 is located at the South edge of the parcel <br />I. Routine Maintenance Activities <br />The principal maintenance objective is to prevent sediment buildup and clogging, which reduces <br />pollutant removal efficiency and may lead to bio-retention area failure. Routine maintenance <br />activities, and the frequency at which they will be conducted, are shown in Table 1. <br />Table 1 <br />Routine Maintenance Activities for Bio-retention Areas <br />No. Maintenance Task Frequency of Task <br />1 Remove obstructions, debris and trash from bio-Monthly, or as needed after storm <br />retention area. events <br />2 Inspect bio-retention area to ensure that it drains Monthly, or as needed after storm <br />between storms. events <br />3 Inspect inlets for channels, soil exposure or other Monthly, or as needed after storm <br />evidence of erosion. Clear obstructions and remove events <br />sediment. <br />4 Remove and replace all dead and diseased vegetation. Twice a year <br />5 Maintain vegetation and the irrigation system. Prune and Before wet season begins, or as <br />weed to keep bio-retention area neat and orderly in needed <br />appearance. <br />6 Inspect and, if needed, replace mulch before wet season As needed <br />begins. Replace mulch when erosion is evident or when <br />bio-retention area looks unattractive. <br />7 Replace mulch over entire area every two to three years, Once every two to three years <br />if needed. <br />8 Inspect bio~retention area using the attached Monthly, or after large storm events, <br />inspection checklist. and after removal of accumulated <br />debris or material <br />1 Attached site plan must match the site plan exhibit to Maintenance Agreement. <br />Z:\l009\A09S93·5\0ocum•nts\O&M Asr••m•nl\EXHIDrfS\EX. C\Milnten1n~ Pl1n -Exh!b!IC Row through p!1n1er ind Dk>-trutm•riLdoa Page 1 NDS Approved Template 7 /10/07