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0 <br />Ol'SL+I U( 9cY <br />-'D WK <br />r-c <br />..r.. <br />1 ii r ' <br />ill I i . . <br />III' ............ <br />4 � lII <br />a �v xacs. � u x1 ems: <br />� <br />emmm <br />W <br />k <br />3 <br />F31 <br />r�1 TYPICAL CON,RETE ENCASED DUCTEM (SCH. 40 PVC) <br />'�E� � seer£: i .i,-o <br />RBI OIY. OFidVl171 <br />AS 40 GmpR <br />a can mma ss.ax - wzrmvn G' �' ai <br />TI c as swr<s+ ux tuna ae mx <br />TYPICAL <br />CONCRETE ENCASED DUCTEAW <br />3 SCH. 40 NC) SECTION 3 -3 <br />E47 SME. kR <br />Figure 2b. Typical concrete encased electrical duct bank construction. <br />• <br />An emergency escape hoist will be added to the east portal exhaust shaft. The hoist <br />consists of a shuttle cage with hoist and controls. The hoists have independent power <br />sources for emergency operation. <br />Maps 15 and 16 show disturbed areas on the site. The disturbance area boundary has <br />been established to include a buffer should additional disturbance activities become <br />necessary. The surface disturbance boundary shown on maps 15 & 16 will be the <br />boundary marked in the field in accordance with Rule 4.02. These markers will <br />consist of roof bolts or rebar covered with white PVC pipe. As portions of the site are <br />reclaimed, boundary markers will be moved to the reclamation limits of the disturbed <br />areas. <br />Two facilities, Apache Canyon Air Shafts #1 and #2 were reclaimed and Phase III <br />released. T hese facilities wi ere to production use for mine ven tilation. The <br />r-- <br />TR -54 <br />Page 2.05 -5d <br />Revised 11/01/10 <br />