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<br />• <br />• <br />SENECA COAL COMPANY DOZER PRODUCTION <br />2000 RN01-YOAST MINE <br />NARROW ROADS -PERMANENT ROADS DATE: 20-Feb-01 <br />SUMMARY SHEET <br />EQUIPMENT REQUIRED <br />-CATERPILLAR D11 N DOZER <br />VOLUME TO BE MOVED <br />W(ft) D(ft) L(ft) Total <br />14 1 21,700 11,252 LCY <br />DOZING PRODUCTION <br />DOZING DISTANCE 50 FT <br />GRADE 3 % 0.95 push gradient <br />BLADE TYPE U <br />PRODUCTION 3156 LCY/SCH HR <br />SLOT DOZING 1 <br />MATERIAL 0.9 <br />VISIBILITY 1 <br />ALTITUDE 0.93 <br />SPOIL FACTOR 0.6 <br />UTILIZATION FACTOR 0.83 <br />OPERATOR EFFICIENCY 0.75 <br />ADJ. PRODUCTIVITY 937 LCY/SCH HR <br />DOZER FLEET COST TOTAL EQUIP. <br /> & LABOR UNIT TOTAL <br />EQUIPMENT UNITS COST COST <br />DOZER 1 $315.39 $315.39 /SCH HR <br />Total $315.39 <br />TOTAL COST <br />Hours CosUHour Total <br />12 $315.39 $3,786 <br />25-1-17 <br />Revised 02/01 <br />