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Stantec <br /> BMP Designation Responsible Party Description of inspection and Maintenance Activity Frequency of Maintenance <br /> Vegetated Swale Waste Conduct regular mowing and remove all grass Weekly during rainy season, <br /> Management of cuttings. Mow turf grass to 3 inches where 6-inch high monthly during dry season <br /> Alameda County or grasses are used. Avoid producing ruts when <br /> Contracted Third mowing. <br /> Party <br /> Vegetated Swale Waste Irrigate during dry weather As required <br /> Management of <br /> Alameda County or <br /> Contracted Third <br /> Party <br /> Vegetated Swale Waste Planted vegetation is sparse or bare or eroded Monthly <br /> Management of patches occur in more than 10%of the swale <br /> Alameda County or bottom. Plant and re-seed as required. <br /> Contracted Third <br /> Party <br /> Extended Waste Conduct annual vegetation management during Once a year <br /> Detention Basin Management of the summer, removing weeds and harvesting <br /> Alameda County or vegetation. Remove all grass cuttings and other <br /> Contracted Third green waste. <br /> Party <br /> Extended Waste Trim vegetation at beginning and end of wet season Twice a year (spring and fall) <br /> Detention Basin Management of to prevent establishment of woody vegetation, and <br /> Alameda County or for aesthetics and mosquito control <br /> Contracted Third <br /> Party <br />