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RULE 2 PERMITS <br />Mine Facilities <br />The existing buildings, structures, utility corridors and other facilities are shown on the Existing <br />Structures - North Map (Map 22) and Existing Structures - South Area (Map 2213). Colowyo has <br />the following major structures located in the permit area office; shop and warehouse facility; coal <br />crushing and loadout facilities; explosives bunker; sedimentation ponds; utility lines; water lines; <br />and haul roads. <br />As needed, temporary facility installation will be necessary to meet Colowyo's operational needs. <br />These structures and installed in lieu of permanent long term facilities due to the short term needs. <br />Most of these facilities are installed overland without any major construction required. (ie concrete <br />pads, foundations, or major excavation) Examples of these facilities are temporary pipelines and <br />power cables. <br />Preparation for these temporary facility locations may range from nothing to topsoil removal. In <br />most cases only brush removal is necessary. Every effort will be made to minimize the amount of <br />disturbance in undisturbed areas. In the case of frequent use of light duty vehicles, then topsoil <br />will be salvaged prior to temporary facility installation. When topsoil is salvaged, either it will be <br />windrowed, stockpiled, or placed on a regraded area prepared for topsoil placement. Some <br />facilities require a corridor only, as in temporary pipelines or other linear facilities. A corridor <br />will be established through brush removal if necessary. Maintenance is routinely required on these <br />temporary facilities and therefore enough room for a light vehicle access will be maintained. <br />If the brush does not interfere with the temporary facility or maintenance of the facility via light <br />duty vehicles, then no brush will be removed. Colowyo generally uses a dozer to remove brush <br />resulting in a corridor width of approximately 25 feet. This allows for the necessary vehicles to <br />access the corridor for placement and retrieval of the facility. In all cases temporary facilities are <br />installed in an overland fashion, minimizing the impacts to the environment. <br />Main Office <br />The main office for the Colowyo operation is located in Section 34, Township 4 North, Range 93 <br />West. The office houses Colowyo's administration, engineering, environmental, and accounting, <br />departments. <br />Rule 2 Permits 2.05-6 Revision Date: 5/25/18 <br />Revision No.: RN -07 <br />