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As shown on Map 23, additional entries will be driven from the 18 -Left gate -road to the <br />north to connect with the two ventilation shafts. The entries will be driven in the same <br />manner as is used in TCC's development work, i.e. continuous miners and shuttle cars. <br />Following completion of shaft boring and casing operations and removal of the drilling <br />equipment from the site, emergency hoist equipment, consisting of an escape capsule, <br />hoist derrick, hoist drive unit, control equipment and 18 x 24 foot pre- fabricated metal <br />hoist house, and a pre- fabricated propane -fired shaft heater and ducting will be <br />erected /installed on the previously constructed intake shaft concrete pad. The shaft <br />heater will be connected to a propane supply tank, mounted on prefabricated concrete <br />saddles, and a buried electrical cable. Similarly, a fan enclosure (fan shroud), silencer, and <br />electrical control building will be erected on the previously constructed exhaust shaft <br />concrete pad, and the fan, fan drive motor, and electrical control, monitoring, and <br />communication systems will be installed. It is presently anticipated that the 400 hp, <br />90,000 cubic -foot per minute Robinson Fan and associated equipment will be relocated to <br />the 18 -Left Ventilation Shaft from the EMD Ventilation Shaft location. A chain -link <br />security fence with a locked gate will be constructed to enclose the intake shaft and <br />emergency hoist installation. Following commissioning, the shaft pad site and access road <br />will be cleaned -up and surface areas graded and dressed. <br />In order to comply with new Mine Atmosphere Control (MAC) regulations, under the <br />jurisdiction of the Mine Safety and Health Administration (MSHA), and minimize surface <br />disturbance, TCC will utilize the previously drilled and cased exploration borehole as a <br />MAC borehole for nitrogen injection into abandoned mine gob areas. The 8 -inch pipe <br />installed within the cased MAC borehole, will be used as a nitrogen injection borehole, <br />connecting to one or more manifolded pipe systems underground, which will connect to <br />sealed gob areas. At the surface, an 8 -foot diameter culvert manhole may be installed <br />around the cased MAC borehole(s) as a well -head, with appropriate grounding and <br />lightning protection to meet MSHA requirements. The fixed pipeline(s) will connect at the <br />surface to a portable skid - mounted nitrogen generator. Associated equipment will include <br />skid - mounted compressors, and control equipment, which will be housed in the Fan <br />Mechanical Building. Required power for this installation will be provided by dropline from <br />the existing substation. Installation details are shown by the design drawings in Exhibit <br />49R. <br />2. Location and type of on -site facilities /structure: <br />The proposed new ventilation shafts will be located in close proximity to Routt County <br />Road 27 in the NW' /4SW' /4 Section 23, T5N, R87W on a shallow slope near the crest of a <br />small ridge in an area of open pastureland, as shown on Exhibit A, Map 23B, Map 24 <br />Sheet 4 of 4, and Exhibits EX49R -F1 through EX49R -F7. Facilities and structures include <br />a short access road of RCR #27, a all- weather shaft pad, two sedimentation ponds, a soils <br />stockpile, a transformer pad, associated ditches and two ventilation shafts. <br />3. Acreage and location of all disturbed area. <br />The location of the road and ventilation shaft pad is shown on the attached Maps 23B and <br />24. Approximately 5.6 acres will be disturbed as a result of this,project. <br />4. Type of equipment on site. <br />A final decision as to what equipment will be placed on the ventilation shaft concrete pad <br />is pending. Possibilities include: <br />