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area will be paved with asphalt. Asphalt could not sustain the enormous weights of the <br />haulage equipment currently in use. Likewise, crawler equipment would rip the asphalt <br />surface causing an extremely hazardous condition for all equipment and personnel. All roads <br />in the mining operation will be constantly maintained by a motor grader, scraper, or rubber <br />tired dozer to remove any coal, rock, or any other debris. Smooth and clean road surfaces are <br />essential for not only minimizing dust, but also for allowing efficient, safe and economic use <br />of haulage equipment. <br />The haul roads have been paved with asphalt to provide for emission control. The paved <br />roads include approximately five miles of road from State Highway 13/789 to the main office <br />building, the road from the main office building to the Gossard coal loadout, and the road <br />from the shop facility to the Gossard coal loadout. <br />A strict speed control will be implemented for all roads to control dust and to provide for safe <br />operation of the equipment. <br />Most haul road embankment slopes and adjacent areas have been mechanically stabilized and <br />seeded with a mixture shown in Table 7, Reclamation Seed Mixture. Mechanical stabilization <br />has consisted of furrowing, chiseling, "cat tracking" and mulch, depending on accessibility to <br />the slopes. <br />No travel of unauthorized vehicles will be allowed on anything other than established <br />roads. All overburden haulage equipment will be restricted only to appropriate roads. <br />Colowyo does not plan to cover any of the haul trucks because the roundtrip between the <br />coal crushing facility and the active mining area will be relatively short, and the loaded <br />trucks will be moving slowly. Also, care will be taken by the front-end loader or shovel <br />operators not to overfill any of the haul trucks so as to cause excessive fugitive dust. <br />Coal Crushing Facili1y <br />Coal will be hauled from the various mining areas in haulage trucks to the primary crusher <br />facility as shown on the Existing Structures - South Map (Map 22). Following primary <br />crushing, the coal is hauled to the Gossard Loadout facility, as shown on the Existing <br />Structures - North Map (Map 21). <br />The coal crushing and conveying operations at the primary crusher and the Gossard <br />Loadout have been equipped with a water spraying system at all coal transfer points. A <br />four-sided enclosure-bas-been installed on the truck dump at the primary crusher to prevent <br />excessive dust emissions. The secondary crusher at the Gossard Loadout has a bag house to <br />control coal dust emissions. A stacking tube with metal doors is also used to minimize coal <br />dust emissions at the 100,000 ton crushed coal stockpile. The air quality control measures <br />at the coal crushing handling and loadout facilities have been approved by the Colorado <br />Department of Health, Air Pollution Control Division. <br />Colowyo maintains several areas for coal storage near the shop facilities and also near the <br />Gossard Loadout. Inactive storage piles have been sloped and compacted to prevent wind <br />erosion and spontaneous combustion. If coal dust becomes troublesome in the active coal <br />storage piles, a mobile water truck with a high pressure pump and nozzle is available for dust <br />suppression. <br />2.05-68 Revision Date: 3/14/08 <br />Revision No.: TR-72