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2019 Plan of Operations Modification American Gypsum Company, LLC <br /> for road construction will consist of intraburden/overburden from the Upper Pit and East Pit <br /> development. Drawings 06 and 07 show the Upper Pit and East Pit Access Roads just prior to <br /> East Pit development. Drawing 08 shows the East Pit Access Road configuration at the end of <br /> East Pit development. <br /> 6.6.2 Haul Routes <br /> According to existing permits, roads are two lanes, and traffic patterns follow right-hand traffic <br /> conventions (except for the existing minor site access roads used for maintenance, overburden <br /> removal, and progressive reclamation activities). No new minor site access roads would be <br /> needed under this proposed Modification. <br /> For the proposed Modification, trucks would carry gypsum from the Upper Pit to the new 0.08-mile <br /> long access road (west), to the remaining 0.06-mile long section of the Upper Pit 6900 Road <br /> (west) (BLM, 2019; CO DRMS, 2019a), to the existing haul road (west, then south), to Trail Gulch <br /> Road (south), cross over 1-70, and continue southeast on Highway 6 to American Gypsum's <br /> wallboard plant. The total haul route would be approximately 3.17 miles from the western edge of <br /> the Upper Pit and 3.49 miles from the western edge of the East Pit (internal pit roads excluded). <br /> 6.6.3 Other Utilities <br /> The Mine Office would remain in its current location north of the Lower Pit. The Mine Office is a <br /> temporary building; there are no power or water lines to the site. No additional utilities such as <br /> power, water, or communication lines are anticipated within the proposed disturbance area. <br /> Power to the Mine Office is provided by a Multi Quip 70-kilowatt (kw) generator(Table 6.2). <br /> 6.7 Equipment <br /> Table 6.2 lists anticipated equipment used during the active mine life and reclamation. <br /> TABLE 6.2: ANTICIPATED EQUIPMENT BY PHASE <br /> Equipment Location 0] Manufacturer Size Quantity Model <br /> Operational—Upper Pit <br /> Rotomill Current operating pit Wirtgen 220SM 1 2017 <br /> (varies) <br /> Rotomill Current operating pit Wirtgen 2200SM 1 2005 <br /> (varies) <br /> Front End Loader Current operating pit CAT 980 2 2017, 2007 <br /> (varies) <br /> Tracked Excavator Staging Area CAT 328DL 1 2014 <br /> Truck/Trailer with Staging Area MACK CHU613 5 2015-2017 <br /> Bottom Dump <br /> Truck/Trailer with Staging Area International HX520 1 2018/2016 <br /> Bottom Dump <br /> Articulated Dump Staging Area CAT 730 1 2015 <br /> Truck <br /> Am Gypsum Poo Mod/SSD 20190909 September 2019 [251 <br />