0 <br /> 10. Ground repair and grading - may require the use of bobcat or gradall to fill ruts and <br /> regrade surface areas damaged by unauthorized vehicle use. Hand labor may need to <br /> be employed to repair surface damage if the use of mechanized equipment would <br /> create further damage to the resource area. <br /> 11. Sediment removal - may require the use of either gradall, cat, or drag bucket dredge, <br /> and dump trucks to periodically remove accumulated sediments in drainage channels, <br /> ditches, sloughs, and other natural and /or constructed water features. <br /> 12. Aquatic vegetation harvesting - may require the use of gradall, dump trucks, or other <br /> specialty equipment to periodically thin or remove masses of aquatic vegetation that <br /> have reached their capacity to absorb stormwater pollutants or that are choking off <br /> drainage ways or other water features. <br />