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Bioretention Area Maintenance Plan <br />Property Address: <br />Date of Inspection: <br />Treatment Measure No.: <br />Table t <br />Routine Melntanance Activities for Sloratention Areas <br />No. <br />Maintenance Task <br />Frequency of Task <br />1 <br />Remove obstructions, debris and trash from bloretentlon area and dispose of <br />Monthly, or as needed after <br />property. <br />storm events <br />2 <br />Inspect tAoretention ars to ensure that It drains between storms and within <br />Monthly, a as needed atter <br />2 <br />five days after rainfall. <br />storm events <br />3 <br />inspect Inlets for channels, soil engnosure or other evidence of erosion. Clear <br />Monthly, or as needed situ <br />obstructions and remove sediment. <br />storm events <br />4 <br />Remove and replace all dead and diseased vegetation. <br />Twice a year <br />6 <br />Maintain vegetation and the Irrigation system. Prune and weed to keep <br />Before wet season begins, or <br />4 <br />bioretention ars neat and orderly In appearance. <br />as needed <br />6 <br />Check that mulch is at appropriate depth (3 inches per soti speclficatios) <br />Monthly <br />5 <br />and replenish as necessary before wel season begins. <br />Monthly during the wet season, <br />7 <br />Inspect bioretention area using the attached inspection checldist. <br />Monthly, or after large storm <br />disconnected piping. <br />events, and after removal of <br />6 <br />Inspect stoma drain lift station using the attached Inspection list <br />accumulated debris ormatedal <br />Table 2 <br />Routine Maintenance Activities for Storm Drain LNt Station 6 Detention Pope <br />No. <br />Matraenanca Task <br />Frequency of Task <br />1 <br />Inspect Stam Drain lift station to ensure pump, Including the goat switch, Is <br />On-going <br />functioning adequately. Inoperable pumps must be repaired a replaced <br />Immediately. <br />2 <br />Inspect Storm Drain lig station's sump and remove any buildup, sediment <br />Monthly during the wet season, <br />and any other debris. <br />and as needed after storm <br />mads <br />3 <br />Inspect r Storm Drain fame main delivering water from the pump to the <br />Before wet season and as <br />biaretentlon basin. Repair or replace any damaged or disconnected piping. <br />necessary <br />4 <br />Inspect Stam Drain face main manhole structure, Including the grate, for <br />Annually <br />any damage. Repair or replace as necessary. <br />5 <br />Inspect site detention pipe, Including storm inlets for any damage, Including <br />Monthly during the wet season, <br />dogs, sediment or any other debris. Repair or replace any damaged a <br />and as needed age slann <br />disconnected piping. <br />events <br />6 <br />Inspect stoma drain lift station using the attached Inspection list <br />Monthly, a alta large storm <br />everts, and ager removal of <br />accumulated debris or material <br />Page 2 <br />Page 29 of 32 <br />REV: 01-26-17 PR <br />ATTY/AGR.2017.018/1629 Main St <br />