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7.2.A. - Page 28 <br /> major fail runoff to be sure the planter is ready for winter. However, additional inspection <br /> after periods of heavy runoff is desirable. The planter should be checked for debris and <br /> litter, and areas of sediment accumulation. <br /> • Vegetation may not have a large impact on pollutant removal. Consequently, trimming <br /> may only be necessary once or twice a year for safety or aesthetics or to suppress <br /> weeds and woody vegetation. <br /> ® Trash may accumulate in the planter areas. The need for litter removal is determined <br /> through periodic inspection, but litter should always be removed prior to trimming. <br /> e Regularly inspect planters for pools of standing water. Swales can become a nuisance <br /> due to mosquito breeding in standing water if obstructions develop (e.g. debris <br /> accumulation, invasive vegetation) and/or if proper drainage slopes are not implemented <br /> and maintained. <br /> 17 <br /> BKF Job No.20070073 <br /> K:\MAIN\2007\070073\06 Design\C Storm Drain System\SWMP\2011-11-04\333_MAIN_SWMP.doc <br /> ATTY/AGR.2014.028/333 Main Street Stormwater Agreement <br />