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Bioretention Area Maintenance Plan for <br />Heritage Baptist Church <br />Assessor's Parcel No.: 07713-0855-012-01 <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 San 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". <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. <br />Maintenance Task <br />Frequency of Task <br />1 <br />Remove obstructions, debris and trash from bio- <br />Monthly, or as needed after storm <br />retention area. <br />events <br />2 <br />Inspect bio -retention area to ensure that it drains <br />Monthly, or as needed after storm <br />between storms. <br />events <br />3 <br />Inspect inlets for channels, soil exposure or other <br />Monthly, or as needed after storm <br />evidence of erosion. Clear obstructions and remove <br />events <br />sediment. <br />4 <br />Remove and replace all dead and diseased vegetation. <br />Twice a year <br />5 <br />Maintain vegetation and the irrigation system. Prune and <br />Before wet season begins, or as <br />weed to keep bio -retention area neat and orderly in <br />needed <br />appearance. <br />6 <br />Inspect and, if needed, replace mulch before wet season <br />As needed <br />begins. Replace mulch when erosion is evident or when <br />bio -retention area looks unattractive. <br />7 <br />Replace mulch over entire area every two to three years, <br />Once every two to three years <br />if needed. <br />8 <br />Inspect bio -retention area using the attached <br />Monthly, or after large storm events, <br />inspection checklist. <br />and after removal of accumulated <br />debris or material <br />1 Attached site plan must match the site plan exhibit to Maintenance Agreement. <br />009 ao9593-soo. - u odMae,..m. naxam �.�M. ,.. �I ­ll,«1o. Page 1 NDS Approved Template 7/10/07 <br />