Laserfiche WebLink
L <br />1 areas. There are two mayor differences between Class t <br />and Class 2 areas. These difference require more effort to <br />be applied to Class 2 areas to achieve a stable vegetative <br />cover. The first difference is soil material depth. Some <br />portions of the Class 2 areas may require the addition of <br />soil material. This material can be obtained from borrow <br />areas occurring in areas, of deep soil. Prior to removing <br />soil material from a potential borrow areas, it should be <br />tested and analyzed for suitability for use as a topsoil <br />material. Areas requiring the addition of soil material should <br />receive some preparation (loosening) prior to the placement <br />of the added material to provide a bonding surface and <br />• subsurface drainage. The second difference from Class t <br />areas is the. steep slopes that occur in Class 2 areas. These <br />slopes may require stair-step grading or grooving to provide <br />a stable seedbed. <br />The Class 3 areas will require the most effort to <br />establish a successful vegetation cover. Large portions <br />of the Class 3 areas have exposed bedrock or very shallow <br />material on cut slopes, roadbeds, or drill pads. Slopes are <br />steep to very steep with many approaching the near vertical <br />state. The treatment of Class 3 areas should include: <br />• <br />-25- / <br />