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No.24—Access Roads <br /> Maintenance Defect Condition When Maintenance is Maintenance Action and Expected <br /> Component Needed Results <br /> General Road Surface Condition of road surface may lead Road repaired. <br /> to erosion of the facility or limit <br /> access. <br /> Erosion of Noticeable rills are seen in Causes of erosion are identified and <br /> Ground landscaped areas. steps taken to slow down/spread out <br /> Surface the water.Eroded areas are filled, <br /> contoured,and seeded. If needed, <br /> regrade affected areas. <br /> Vegetation Function of road is impaired by Vegetation is removed or managed to <br /> vegetation restore proper function of facility. <br /> Use ofherbicides shall be in accordance <br /> with an Integrated Pest Management <br /> Plan. <br /> Tree Growth Tree growth does not allow Trees do not hinder maintenance <br /> maintenance access or interferes with - activities. <br /> maintenance activity(i.e.,slope <br /> mowing,silt removal,vactoring,or <br /> equipment movements). If trees are <br /> not interfering with access or <br /> maintenance,do not remove. <br /> Trees or shrubs that have fallen Fallen trees or shrubs removed from <br /> over road. road. <br /> September 2010 Snohomish County Drainage Manual Volume V-Runoff Treatment BMPs 52 <br />