_GENERAL DOCUMENTS - C1981017 (203)

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PROJECT WORK DESCRIPTION PROJECT OVERVIEW The goal of this project is to accomplish revegetation of various cut and fill slopes adjacent to the haul roads and mine benches located in the central and northern portiot;s of Coal Basin. The slopes below Mines 1, 2, 3 and the Mine 5 fan, collectively referred to as the line bench outslopes, will be scarified and revegetated. In addition to the mine ber,,h c ,slopes, cut and fill slopes adjacent to Roads D, E, F, G and D-A will also be scarified and revegetated. In order to accomplish the revegetation goals, the cut and fill slopes subs act to this Project will first be scarified by hand, then fertilized and seeded. A wet hay mulch will be applied to afford protection to the seed. Organic materials may be incorporated into the slopes prior to initiating the scarification process. Because many of the roads or mine benches adjacent to the project areas have been previously reclaimed, access to Mines 1, 2, 3, the Mine 5 fan and Roads E, F, G and D-A must be kept to a minimum. The CONTRACTOR will be responsible for repairi, all damages to previously reclaimed areas. Access to Road C to within one half (1/2) mile of R es 1 and 2 is available via improved dirt road. Tree and shrub planting will occur in some locations. Most of the work will involve hand labor on long, steep slopes. Safety of Laborers, Contractors, Public and the PROJECT MANAGER is of paramount concern. Map 4, Project Area, depicts the roads and mine bench outslopes to be affected by this project. Mine Bench Outslopes are defined as the fill slop( which exist below I : mine and fan entries referred to in this document. These slopes vary from 600 feet to 900 teat in slope length. In most cases, the slopes approach the angle of repose, and are heavily rilled and gullied. The fills are generally shallow near the top and increase in thickness near the base. They are -Inerally composed of fine grained shales, sandstone and coal particles, intermixed with larger )bble to boulder sized pieces of coal, sandstones and trommel reject material. In some instances, mine debris is inr-rspersed within the fill. Sandstone outcrops have been observed to protrude from the fills in sime locations. Road Cut Slopes are defined as the sparsely vegetated slopes located on the uphill side of the roads described in this document. In many instance these slopes are composed of decomposing shales and sandstones which form a steep talus-like slope. Exposures of slightly metamorphosed sandstone and shale exist in some locations Road Fill Slopes are defined as the sparsely vegetated slopes located on the down slope side of the roads described in this document. In many instances, these slopes are co. used of decomposing shales and sandstones which form a steep slope. The fill materia,, .n many areas, exhibits a more soil-like nature than the cut slopes. These slopes a, generally less steep than the Road Gat Slopes, but are typically longer. Exposures of slightly metamorphosed sandstone and shale exist in some locations. Volumes distances and areas stated in this document are est. ations oniv. The CONTRACTORS are responsible for verifying all estimations prior to bid submittal. 6